{"id":"https://openalex.org/W7214166179","doi":"https://doi.org/10.48550/arxiv.2609.26858","title":"A Cryogenic Penning Trap Based on Permanent Magnets","display_name":"A Cryogenic Penning Trap Based on Permanent Magnets","publication_year":2026,"publication_date":"2026-09-22","ids":{"openalex":"https://openalex.org/W7214166179","doi":"https://doi.org/10.48550/arxiv.2609.26858"},"language":"en","primary_location":{"id":"pmh:oai:arXiv.org:2609.26858","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2609.26858","pdf_url":"https://arxiv.org/pdf/2609.26858","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"volume":null,"type":"preprint","is_traditional":true,"indexed_in":["arxiv","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2609.26858","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5088486816","display_name":"F. Voelksen","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I44260953","display_name":"Heinrich Heine University D\u00fcsseldorf","ror":"https://ror.org/024z2rq82","country_code":"DE","type":"education","lineage":["https://openalex.org/I44260953"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"V\u00f6lksen, F.","raw_affiliation_strings":["Heinrich Heine Universit\u00e4t D\u00fcsseldorf, D\u00fcsseldorf, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Heinrich Heine Universit\u00e4t D\u00fcsseldorf, D\u00fcsseldorf, Germany","institution_ids":["https://openalex.org/I44260953"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5152608746","display_name":"K. K. Anjum","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I44260953","display_name":"Heinrich Heine University D\u00fcsseldorf","ror":"https://ror.org/024z2rq82","country_code":"DE","type":"education","lineage":["https://openalex.org/I44260953"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Anjum, K. K.","raw_affiliation_strings":["Heinrich Heine Universit\u00e4t D\u00fcsseldorf, D\u00fcsseldorf, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Heinrich Heine Universit\u00e4t D\u00fcsseldorf, D\u00fcsseldorf, Germany","institution_ids":["https://openalex.org/I44260953"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5138634123","display_name":"Raphael Czampiel","orcid":"https://orcid.org/0009-0006-3659-4156","observed_orcids":["https://orcid.org/0009-0006-3659-4156"]},"institutions":[{"id":"https://openalex.org/I44260953","display_name":"Heinrich Heine University D\u00fcsseldorf","ror":"https://ror.org/024z2rq82","country_code":"DE","type":"education","lineage":["https://openalex.org/I44260953"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Czampiel, R. P.","raw_affiliation_strings":["Heinrich Heine Universit\u00e4t D\u00fcsseldorf, D\u00fcsseldorf, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Heinrich Heine Universit\u00e4t D\u00fcsseldorf, D\u00fcsseldorf, Germany","institution_ids":["https://openalex.org/I44260953"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5151921347","display_name":"N. Daehnhardt","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I44260953","display_name":"Heinrich Heine University D\u00fcsseldorf","ror":"https://ror.org/024z2rq82","country_code":"DE","type":"education","lineage":["https://openalex.org/I44260953"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Daehnhardt, N.","raw_affiliation_strings":["Heinrich Heine Universit\u00e4t D\u00fcsseldorf, D\u00fcsseldorf, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Heinrich Heine Universit\u00e4t D\u00fcsseldorf, D\u00fcsseldorf, Germany","institution_ids":["https://openalex.org/I44260953"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022488236","display_name":"Steffen Gavranovic","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I197323543","display_name":"Johannes Gutenberg University Mainz","ror":"https://ror.org/023b0x485","country_code":"DE","type":"education","lineage":["https://openalex.org/I197323543"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Gavranovic, S.","raw_affiliation_strings":["Institut f\u00fcr Physik, Johannes Gutenberg-Universit\u00e4t, Mainz, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institut f\u00fcr Physik, Johannes Gutenberg-Universit\u00e4t, Mainz, Germany","institution_ids":["https://openalex.org/I197323543"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5152721101","display_name":"J. Hoentges","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I44260953","display_name":"Heinrich Heine University D\u00fcsseldorf","ror":"https://ror.org/024z2rq82","country_code":"DE","type":"education","lineage":["https://openalex.org/I44260953"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Hoentges, J.","raw_affiliation_strings":["Heinrich Heine Universit\u00e4t D\u00fcsseldorf, D\u00fcsseldorf, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Heinrich Heine Universit\u00e4t D\u00fcsseldorf, D\u00fcsseldorf, Germany","institution_ids":["https://openalex.org/I44260953"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5151882719","display_name":"L. K\u00fcrschner","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I44260953","display_name":"Heinrich Heine University D\u00fcsseldorf","ror":"https://ror.org/024z2rq82","country_code":"DE","type":"education","lineage":["https://openalex.org/I44260953"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"K\u00fcrschner, L.","raw_affiliation_strings":["Heinrich Heine Universit\u00e4t D\u00fcsseldorf, D\u00fcsseldorf, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Heinrich Heine Universit\u00e4t D\u00fcsseldorf, D\u00fcsseldorf, Germany","institution_ids":["https://openalex.org/I44260953"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5152733321","display_name":"J. D. Regier","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I44260953","display_name":"Heinrich Heine University D\u00fcsseldorf","ror":"https://ror.org/024z2rq82","country_code":"DE","type":"education","lineage":["https://openalex.org/I44260953"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Regier, J. D.","raw_affiliation_strings":["Heinrich Heine Universit\u00e4t D\u00fcsseldorf, D\u00fcsseldorf, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Heinrich Heine Universit\u00e4t D\u00fcsseldorf, D\u00fcsseldorf, Germany","institution_ids":["https://openalex.org/I44260953"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039734452","display_name":"D. Schweitzer","orcid":"https://orcid.org/0009-0006-7349-2888","observed_orcids":["https://orcid.org/0009-0006-7349-2888"]},"institutions":[{"id":"https://openalex.org/I44260953","display_name":"Heinrich Heine University D\u00fcsseldorf","ror":"https://ror.org/024z2rq82","country_code":"DE","type":"education","lineage":["https://openalex.org/I44260953"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Schweitzer, D.","raw_affiliation_strings":["Heinrich Heine Universit\u00e4t D\u00fcsseldorf, D\u00fcsseldorf, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Heinrich Heine Universit\u00e4t D\u00fcsseldorf, D\u00fcsseldorf, Germany","institution_ids":["https://openalex.org/I44260953"]}]},{"author_position":"middle","author":{"id":null,"display_name":"1","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I44260953","display_name":"Heinrich Heine University D\u00fcsseldorf","ror":"https://ror.org/024z2rq82","country_code":"DE","type":"education","lineage":["https://openalex.org/I44260953"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"1","raw_affiliation_strings":["Heinrich Heine Universit\u00e4t D\u00fcsseldorf, D\u00fcsseldorf, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Heinrich Heine Universit\u00e4t D\u00fcsseldorf, D\u00fcsseldorf, Germany","institution_ids":["https://openalex.org/I44260953"]}]},{"author_position":"middle","author":{"id":null,"display_name":"2","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I44260953","display_name":"Heinrich Heine University D\u00fcsseldorf","ror":"https://ror.org/024z2rq82","country_code":"DE","type":"education","lineage":["https://openalex.org/I44260953"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"2","raw_affiliation_strings":["Heinrich Heine Universit\u00e4t D\u00fcsseldorf, D\u00fcsseldorf, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Heinrich Heine Universit\u00e4t D\u00fcsseldorf, D\u00fcsseldorf, Germany","institution_ids":["https://openalex.org/I44260953"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5152682122","display_name":"P. Sch\u00f6ps","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I44260953","display_name":"Heinrich Heine University D\u00fcsseldorf","ror":"https://ror.org/024z2rq82","country_code":"DE","type":"education","lineage":["https://openalex.org/I44260953"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Sch\u00f6ps, P.","raw_affiliation_strings":["Heinrich Heine Universit\u00e4t D\u00fcsseldorf, D\u00fcsseldorf, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Heinrich Heine Universit\u00e4t D\u00fcsseldorf, D\u00fcsseldorf, Germany","institution_ids":["https://openalex.org/I44260953"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5152611245","display_name":"A. M. Thomas","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I44260953","display_name":"Heinrich Heine University D\u00fcsseldorf","ror":"https://ror.org/024z2rq82","country_code":"DE","type":"education","lineage":["https://openalex.org/I44260953"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Thomas, A. M.","raw_affiliation_strings":["Heinrich Heine Universit\u00e4t D\u00fcsseldorf, D\u00fcsseldorf, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Heinrich Heine Universit\u00e4t D\u00fcsseldorf, D\u00fcsseldorf, Germany","institution_ids":["https://openalex.org/I44260953"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5152621479","display_name":"S. Wienhues","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I44260953","display_name":"Heinrich Heine University D\u00fcsseldorf","ror":"https://ror.org/024z2rq82","country_code":"DE","type":"education","lineage":["https://openalex.org/I44260953"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Wienhues, S.","raw_affiliation_strings":["Heinrich Heine Universit\u00e4t D\u00fcsseldorf, D\u00fcsseldorf, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Heinrich Heine Universit\u00e4t D\u00fcsseldorf, D\u00fcsseldorf, Germany","institution_ids":["https://openalex.org/I44260953"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5148064140","display_name":"B. Arndt","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210156266","display_name":"Max Planck Institute for Nuclear Physics","ror":"https://ror.org/052d0h423","country_code":"DE","type":"nonprofit","lineage":["https://openalex.org/I149899117","https://openalex.org/I4210156266"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Arndt, B.","raw_affiliation_strings":["Max-Planck-Institut f\u00fcr Kernphysik, Heidelberg, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Max-Planck-Institut f\u00fcr Kernphysik, Heidelberg, Germany","institution_ids":["https://openalex.org/I4210156266"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5054965366","display_name":"Takeshi Imamura","orcid":"https://orcid.org/0000-0002-9470-4492","observed_orcids":["https://orcid.org/0000-0002-9470-4492"]},"institutions":[{"id":"https://openalex.org/I114112103","display_name":"Leibniz University Hannover","ror":"https://ror.org/0304hq317","country_code":"DE","type":"education","lineage":["https://openalex.org/I114112103"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Imamura, T.","raw_affiliation_strings":["Institut f\u00fcr Quantenoptik, Leibniz Universit\u00e4t Hannover, Hannover, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institut f\u00fcr Quantenoptik, Leibniz Universit\u00e4t Hannover, Hannover, Germany","institution_ids":["https://openalex.org/I114112103"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5151882451","display_name":"S. Endoh","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210110652","display_name":"RIKEN","ror":"https://ror.org/01sjwvz98","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4210110652"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Endoh, S.","raw_affiliation_strings":["RIKEN, Fundamental Symmetries Laboratory, Wako, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"RIKEN, Fundamental Symmetries Laboratory, Wako, Japan","institution_ids":["https://openalex.org/I4210110652"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053613322","display_name":"B. M. Latacz","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I67311998","display_name":"European Organization for Nuclear Research","ror":"https://ror.org/01ggx4157","country_code":"CH","type":"facility","lineage":["https://openalex.org/I67311998"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Latacz, B. M.","raw_affiliation_strings":["CERN, Geneva, Switzerland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"CERN, Geneva, Switzerland","institution_ids":["https://openalex.org/I67311998"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5152617109","display_name":"M. Leonhardt","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I44260953","display_name":"Heinrich Heine University D\u00fcsseldorf","ror":"https://ror.org/024z2rq82","country_code":"DE","type":"education","lineage":["https://openalex.org/I44260953"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Leonhardt, M.","raw_affiliation_strings":["Heinrich Heine Universit\u00e4t D\u00fcsseldorf, D\u00fcsseldorf, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Heinrich Heine Universit\u00e4t D\u00fcsseldorf, D\u00fcsseldorf, Germany","institution_ids":["https://openalex.org/I44260953"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5076404050","display_name":"P. Micke","orcid":"https://orcid.org/0000-0001-7430-8751","observed_orcids":["https://orcid.org/0000-0001-7430-8751"]},"institutions":[{"id":"https://openalex.org/I4210156266","display_name":"Max Planck Institute for Nuclear Physics","ror":"https://ror.org/052d0h423","country_code":"DE","type":"nonprofit","lineage":["https://openalex.org/I149899117","https://openalex.org/I4210156266"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Micke, P.","raw_affiliation_strings":["Max-Planck-Institut f\u00fcr Kernphysik, Heidelberg, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Max-Planck-Institut f\u00fcr Kernphysik, Heidelberg, Germany","institution_ids":["https://openalex.org/I4210156266"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5004670299","display_name":"Jonathan Morgner","orcid":"https://orcid.org/0000-0001-8947-4971","observed_orcids":["https://orcid.org/0000-0001-8947-4971"]},"institutions":[{"id":"https://openalex.org/I67311998","display_name":"European Organization for Nuclear Research","ror":"https://ror.org/01ggx4157","country_code":"CH","type":"facility","lineage":["https://openalex.org/I67311998"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Morgner, J.","raw_affiliation_strings":["CERN, Geneva, Switzerland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"CERN, Geneva, Switzerland","institution_ids":["https://openalex.org/I67311998"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5151887235","display_name":"D. Natakala","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I47508984","display_name":"Imperial College London","ror":"https://ror.org/041kmwe10","country_code":"GB","type":"education","lineage":["https://openalex.org/I47508984"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Natakala, D.","raw_affiliation_strings":["Imperial College, London, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Imperial College, London, UK","institution_ids":["https://openalex.org/I47508984"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5107825382","display_name":"S. Stahl","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210156266","display_name":"Max Planck Institute for Nuclear Physics","ror":"https://ror.org/052d0h423","country_code":"DE","type":"nonprofit","lineage":["https://openalex.org/I149899117","https://openalex.org/I4210156266"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Stahl, S.","raw_affiliation_strings":["Max-Planck-Institut f\u00fcr Kernphysik, Heidelberg, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Max-Planck-Institut f\u00fcr Kernphysik, Heidelberg, Germany","institution_ids":["https://openalex.org/I4210156266"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5152729047","display_name":"H. Yildiz","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I197323543","display_name":"Johannes Gutenberg University Mainz","ror":"https://ror.org/023b0x485","country_code":"DE","type":"education","lineage":["https://openalex.org/I197323543"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Yildiz, H.","raw_affiliation_strings":["Institut f\u00fcr Physik, Johannes Gutenberg-Universit\u00e4t, Mainz, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institut f\u00fcr Physik, Johannes Gutenberg-Universit\u00e4t, Mainz, Germany","institution_ids":["https://openalex.org/I197323543"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5152735586","display_name":"K. Blaum","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210156266","display_name":"Max Planck Institute for Nuclear Physics","ror":"https://ror.org/052d0h423","country_code":"DE","type":"nonprofit","lineage":["https://openalex.org/I149899117","https://openalex.org/I4210156266"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Blaum, K.","raw_affiliation_strings":["Max-Planck-Institut f\u00fcr Kernphysik, Heidelberg, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Max-Planck-Institut f\u00fcr Kernphysik, Heidelberg, Germany","institution_ids":["https://openalex.org/I4210156266"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5017428893","display_name":"J. A. Devlin","orcid":"https://orcid.org/0000-0002-4448-5471","observed_orcids":["https://orcid.org/0000-0002-4448-5471"]},"institutions":[{"id":"https://openalex.org/I47508984","display_name":"Imperial College London","ror":"https://ror.org/041kmwe10","country_code":"GB","type":"education","lineage":["https://openalex.org/I47508984"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Devlin, J. A.","raw_affiliation_strings":["Imperial College, London, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Imperial College, London, UK","institution_ids":["https://openalex.org/I47508984"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5152721252","display_name":"Y. Matsuda","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Matsuda, Y.","raw_affiliation_strings":["Graduate School of Arts and Sciences, University of Tokyo, Tokyo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Arts and Sciences, University of Tokyo, Tokyo, Japan","institution_ids":["https://openalex.org/I74801974"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062780325","display_name":"C. Ospelkaus","orcid":"https://orcid.org/0000-0002-4170-2936","observed_orcids":["https://orcid.org/0000-0002-4170-2936"]},"institutions":[{"id":"https://openalex.org/I114112103","display_name":"Leibniz University Hannover","ror":"https://ror.org/0304hq317","country_code":"DE","type":"education","lineage":["https://openalex.org/I114112103"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Ospelkaus, C.","raw_affiliation_strings":["Institut f\u00fcr Quantenoptik, Leibniz Universit\u00e4t Hannover, Hannover, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institut f\u00fcr Quantenoptik, Leibniz Universit\u00e4t Hannover, Hannover, Germany","institution_ids":["https://openalex.org/I114112103"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5070941356","display_name":"W. Quint","orcid":"https://orcid.org/0000-0003-0682-7247","observed_orcids":["https://orcid.org/0000-0003-0682-7247"]},"institutions":[{"id":"https://openalex.org/I169556180","display_name":"GSI Helmholtz Centre for Heavy Ion Research","ror":"https://ror.org/02k8cbn47","country_code":"DE","type":"facility","lineage":["https://openalex.org/I1305996414","https://openalex.org/I169556180"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Quint, W.","raw_affiliation_strings":["GSI Helmholtzzentrum f\u00fcr Schwerionenforschung GmbH, Darmstadt, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"GSI Helmholtzzentrum f\u00fcr Schwerionenforschung GmbH, Darmstadt, Germany","institution_ids":["https://openalex.org/I169556180"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5088285225","display_name":"A. S\u00f3t\u00e9r","orcid":"https://orcid.org/0000-0002-3751-9944","observed_orcids":["https://orcid.org/0000-0002-3751-9944"]},"institutions":[{"id":"https://openalex.org/I35440088","display_name":"ETH Zurich","ror":"https://ror.org/05a28rw58","country_code":"CH","type":"education","lineage":["https://openalex.org/I2799323385","https://openalex.org/I35440088"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Soter, A.","raw_affiliation_strings":["Eidgen\u00f6ssisch Technische Hochschule Z\u00fcrich, Z\u00fcrich, Switzerland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Eidgen\u00f6ssisch Technische Hochschule Z\u00fcrich, Z\u00fcrich, Switzerland","institution_ids":["https://openalex.org/I35440088"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071718585","display_name":"J. Walz","orcid":"https://orcid.org/0009-0001-9075-7562","observed_orcids":["https://orcid.org/0009-0001-9075-7562"]},"institutions":[{"id":"https://openalex.org/I197323543","display_name":"Johannes Gutenberg University Mainz","ror":"https://ror.org/023b0x485","country_code":"DE","type":"education","lineage":["https://openalex.org/I197323543"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Walz, J.","raw_affiliation_strings":["Institut f\u00fcr Physik, Johannes Gutenberg-Universit\u00e4t, Mainz, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institut f\u00fcr Physik, Johannes Gutenberg-Universit\u00e4t, Mainz, Germany","institution_ids":["https://openalex.org/I197323543"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5083631278","display_name":"C. Smorra","orcid":"https://orcid.org/0000-0001-5584-7960","observed_orcids":["https://orcid.org/0000-0001-5584-7960"]},"institutions":[{"id":"https://openalex.org/I44260953","display_name":"Heinrich Heine University D\u00fcsseldorf","ror":"https://ror.org/024z2rq82","country_code":"DE","type":"education","lineage":["https://openalex.org/I44260953"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Smorra, C.","raw_affiliation_strings":["Heinrich Heine Universit\u00e4t D\u00fcsseldorf, D\u00fcsseldorf, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Heinrich Heine Universit\u00e4t D\u00fcsseldorf, D\u00fcsseldorf, Germany","institution_ids":["https://openalex.org/I44260953"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5030885545","display_name":"S. Ulmer","orcid":"https://orcid.org/0000-0002-4185-4147","observed_orcids":["https://orcid.org/0000-0002-4185-4147"]},"institutions":[{"id":"https://openalex.org/I44260953","display_name":"Heinrich Heine University D\u00fcsseldorf","ror":"https://ror.org/024z2rq82","country_code":"DE","type":"education","lineage":["https://openalex.org/I44260953"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Ulmer, S.","raw_affiliation_strings":["Heinrich Heine Universit\u00e4t D\u00fcsseldorf, D\u00fcsseldorf, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Heinrich Heine Universit\u00e4t D\u00fcsseldorf, D\u00fcsseldorf, Germany","institution_ids":["https://openalex.org/I44260953"]}]}],"institutions":[],"countries_distinct_count":4,"institutions_distinct_count":10,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10523","display_name":"Atomic and Molecular Physics","score":0.6557999849319458,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10523","display_name":"Atomic and Molecular Physics","score":0.6557999849319458,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11367","display_name":"Particle accelerators and beam dynamics","score":0.16850000619888306,"subfield":{"id":"https://openalex.org/subfields/3106","display_name":"Nuclear and High Energy Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11993","display_name":"Atomic and Subatomic Physics Research","score":0.048500001430511475,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/penning-trap","display_name":"Penning trap","score":0.9290000200271606},{"id":"https://openalex.org/keywords/cryogenic-trap","display_name":"cryogenic trap","score":0.5870000123977661},{"id":"https://openalex.org/keywords/permanent-magnets","display_name":"permanent magnets","score":0.9279999732971191},{"id":"https://openalex.org/keywords/nd-fe-b-magnets","display_name":"Nd-Fe-B permanent magnets","score":0.9700000286102295},{"id":"https://openalex.org/keywords/proton-trapping","display_name":"proton trapping","score":0.5699999928474426},{"id":"https://openalex.org/keywords/h2-ion","display_name":"H2+ ions","score":0.871999979019165},{"id":"https://openalex.org/keywords/electron-trapping","display_name":"electron trapping","score":0.7480000257492065},{"id":"https://openalex.org/keywords/single-particle-detection","display_name":"single-particle detection","score":0.9200000166893005},{"id":"https://openalex.org/keywords/temperature-fluctuations","display_name":"temperature fluctuations","score":0.43799999356269836}],"concepts":[{"id":"https://openalex.org/C16389437","wikidata":"https://www.wikidata.org/wiki/Q11421","display_name":"Magnet","level":2,"score":0.7215999960899353},{"id":"https://openalex.org/C143873397","wikidata":"https://www.wikidata.org/wiki/Q1755716","display_name":"Penning trap","level":3,"score":0.692300021648407},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.5419999957084656},{"id":"https://openalex.org/C54516573","wikidata":"https://www.wikidata.org/wiki/Q2294","display_name":"Proton","level":2,"score":0.4830000102519989},{"id":"https://openalex.org/C172108966","wikidata":"https://www.wikidata.org/wiki/Q120120","display_name":"Superconducting magnet","level":3,"score":0.46459999680519104},{"id":"https://openalex.org/C147120987","wikidata":"https://www.wikidata.org/wiki/Q2225","display_name":"Electron","level":2,"score":0.4643999934196472},{"id":"https://openalex.org/C184779094","wikidata":"https://www.wikidata.org/wiki/Q26383","display_name":"Atomic physics","level":1,"score":0.4269999861717224},{"id":"https://openalex.org/C115260700","wikidata":"https://www.wikidata.org/wiki/Q11408","display_name":"Magnetic field","level":2,"score":0.42649999260902405},{"id":"https://openalex.org/C145148216","wikidata":"https://www.wikidata.org/wiki/Q36496","display_name":"Ion","level":2,"score":0.41370001435279846},{"id":"https://openalex.org/C121099081","wikidata":"https://www.wikidata.org/wiki/Q665580","display_name":"Trap (plumbing)","level":2,"score":0.4133000075817108},{"id":"https://openalex.org/C185544564","wikidata":"https://www.wikidata.org/wiki/Q81197","display_name":"Nuclear physics","level":1,"score":0.36970001459121704},{"id":"https://openalex.org/C106289968","wikidata":"https://www.wikidata.org/wiki/Q202012","display_name":"Ion trap","level":3,"score":0.3671000003814697},{"id":"https://openalex.org/C179725390","wikidata":"https://www.wikidata.org/wiki/Q192116","display_name":"Cryogenics","level":2,"score":0.3630000054836273},{"id":"https://openalex.org/C189778682","wikidata":"https://www.wikidata.org/wiki/Q211736","display_name":"Van de Graaff generator","level":3,"score":0.32679998874664307},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3228999972343445},{"id":"https://openalex.org/C54101563","wikidata":"https://www.wikidata.org/wiki/Q124131","display_name":"Superconductivity","level":2,"score":0.28940001130104065},{"id":"https://openalex.org/C189166818","wikidata":"https://www.wikidata.org/wiki/Q130825","display_name":"Particle accelerator","level":3,"score":0.2870999872684479},{"id":"https://openalex.org/C106997767","wikidata":"https://www.wikidata.org/wiki/Q178032","display_name":"Electromagnet","level":3,"score":0.28540000319480896},{"id":"https://openalex.org/C35048267","wikidata":"https://www.wikidata.org/wiki/Q587553","display_name":"Charged particle","level":3,"score":0.2775000035762787},{"id":"https://openalex.org/C110135171","wikidata":"https://www.wikidata.org/wiki/Q908880","display_name":"Neodymium magnet","level":3,"score":0.27730000019073486},{"id":"https://openalex.org/C9652623","wikidata":"https://www.wikidata.org/wiki/Q190109","display_name":"Field (mathematics)","level":2,"score":0.2743000090122223},{"id":"https://openalex.org/C21200559","wikidata":"https://www.wikidata.org/wiki/Q7451068","display_name":"Sensitivity (control systems)","level":2,"score":0.26969999074935913},{"id":"https://openalex.org/C117896860","wikidata":"https://www.wikidata.org/wiki/Q11376","display_name":"Acceleration","level":2,"score":0.2669000029563904}],"mesh":[],"locations_count":3,"locations":[{"id":"pmh:oai:arXiv.org:2609.26858","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2609.26858","pdf_url":"https://arxiv.org/pdf/2609.26858","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"pmh:oai:cds.cern.ch:2972807","doi":null,"is_oa":false,"landing_page_url":"http://cds.cern.ch/record/2972807","pdf_url":null,"source":{"id":"https://openalex.org/S4306402195","display_name":"CERN Document Server (European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null},{"id":"doi:10.48550/arxiv.2609.26858","doi":"https://doi.org/10.48550/arxiv.2609.26858","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2609.26858","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2609.26858","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2609.26858","pdf_url":"https://arxiv.org/pdf/2609.26858","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320320879","display_name":"Deutsche Forschungsgemeinschaft","ror":"https://ror.org/018mejw64"},{"id":"https://openalex.org/F4320321951","display_name":"Heinrich-Heine-Universit\u00e4t D\u00fcsseldorf","ror":"https://ror.org/024z2rq82"},{"id":"https://openalex.org/F4320335125","display_name":"RIKEN","ror":"https://ror.org/01sjwvz98"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7214166179.pdf","grobid_xml":"https://content.openalex.org/works/W7214166179.grobid-xml"},"referenced_works_count":1,"referenced_works":["https://openalex.org/W7213416781"],"related_works":["https://openalex.org/W7158942802","https://openalex.org/W2056961593","https://openalex.org/W4387724807","https://openalex.org/W4389564859","https://openalex.org/W1995559689","https://openalex.org/W2600207079","https://openalex.org/W7213473511","https://openalex.org/W2032346062","https://openalex.org/W2083162060","https://openalex.org/W1974849292"],"abstract_inverted_index":{"We":[0,94],"report":[1],"on":[2,7],"a":[3,15,54,75,96],"Penning":[4],"trap":[5],"based":[6],"NdFeB":[8],"permanent":[9],"magnets":[10],"operated":[11],"at":[12],"4\\,K":[13],"with":[14,33],"magnetic":[16],"field":[17],"strength":[18],"of":[19,25,38,50,57,63,69,78,90,107],"280\\,mT.":[20],"Reliable":[21],"loading":[22],"and":[23,29,40,118,122,130],"confinement":[24],"protons,":[26],"H$_2^+$":[27,41],"ions,":[28],"electrons":[30],"was":[31],"demonstrated":[32],"non-destructive":[34],"single-particle":[35],"detection":[36],"sensitivity":[37],"protons":[39],"ions":[42],"using":[43],"superconducting":[44],"image-current":[45],"circuits.":[46],"The":[47],"axial":[48],"frequency":[49,73],"individual":[51],"particles":[52],"reaches":[53],"shot-to-shot":[55,76],"stability":[56],"47":[58],"parts-per-billion":[59],"comparable":[60],"to":[61],"that":[62],"state-of-the-art":[64],"precision":[65,116],"Penning-trap":[66,120],"experiments.":[67],"Measurements":[68],"the":[70,91],"proton":[71],"modified-cyclotron":[72],"show":[74],"scatter":[77],"$0.14$":[79],"parts":[80],"per":[81],"million":[82],"(p.p.m.),":[83],"presently":[84],"limited":[85],"by":[86,102],"millikelvin-level":[87],"temperature":[88],"fluctuations":[89],"permanent-magnet":[92],"assembly.":[93],"outline":[95],"route":[97],"towards":[98,127],"improving":[99],"this":[100],"performance":[101],"more":[103],"than":[104],"an":[105,124],"order":[106],"magnitude.":[108],"This":[109],"development":[110],"offers":[111],"broad":[112],"potential":[113],"for":[114],"axial-mode-related":[115],"measurements":[117],"cost-efficient":[119],"experiments,":[121],"represents":[123],"important":[125],"step":[126],"compact,":[128],"scalable,":[129],"transportable":[131],"antiproton-trap":[132],"systems.":[133]},"counts_by_year":[],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2026-09-25T00:00:00"}