{"id":"https://openalex.org/W7212255136","doi":"https://doi.org/10.48550/arxiv.2609.11840","title":"Signatures of Invisible Fermions in $\u039b_b^0 \\to \u039b_c^+ \\ell^- \\bar{X}_{\\rm inv}$ Decays","display_name":"Signatures of Invisible Fermions in $\u039b_b^0 \\to \u039b_c^+ \\ell^- \\bar{X}_{\\rm inv}$ Decays","publication_year":2026,"publication_date":"2026-09-10","ids":{"openalex":"https://openalex.org/W7212255136","doi":"https://doi.org/10.48550/arxiv.2609.11840"},"language":"en","primary_location":{"id":"pmh:oai:arXiv.org:2609.11840","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2609.11840","pdf_url":"https://arxiv.org/pdf/2609.11840","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":null,"license_id":null,"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/2609.11840","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5055908428","display_name":"Shantanu Sahoo","orcid":"https://orcid.org/0000-0002-6303-270X","observed_orcids":["https://orcid.org/0000-0002-6303-270X"]},"institutions":[{"id":"https://openalex.org/I1317621060","display_name":"Indian Institute of Technology Guwahati","ror":"https://ror.org/0022nd079","country_code":"IN","type":"education","lineage":["https://openalex.org/I1317621060"]},{"id":"https://openalex.org/I36893310","display_name":"University of Hyderabad","ror":"https://ror.org/04a7rxb17","country_code":"IN","type":"education","lineage":["https://openalex.org/I36893310"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Sahoo, Shantanu","raw_affiliation_strings":["Department of Physics , Indian Institute of Technology Guwahati , North Guwahati , Assam- 781039 , India","School of Physics , University of Hyderabad , Hyderabad , Telangana - 500046 , India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics , Indian Institute of Technology Guwahati , North Guwahati , Assam- 781039 , India","institution_ids":["https://openalex.org/I1317621060"]},{"raw_affiliation_string":"School of Physics , University of Hyderabad , Hyderabad , Telangana - 500046 , India","institution_ids":["https://openalex.org/I36893310"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5055980655","display_name":"Soumitra Nandi","orcid":"https://orcid.org/0000-0001-6567-0302","observed_orcids":["https://orcid.org/0000-0001-6567-0302"]},"institutions":[{"id":"https://openalex.org/I1317621060","display_name":"Indian Institute of Technology Guwahati","ror":"https://ror.org/0022nd079","country_code":"IN","type":"education","lineage":["https://openalex.org/I1317621060"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Nandi, Soumitra","raw_affiliation_strings":["Department of Physics , Indian Institute of Technology Guwahati , North Guwahati , Assam- 781039 , India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics , Indian Institute of Technology Guwahati , North Guwahati , Assam- 781039 , India","institution_ids":["https://openalex.org/I1317621060"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"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/T10048","display_name":"Particle physics theoretical and experimental studies","score":0.9883000254631042,"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"}},"topics":[{"id":"https://openalex.org/T10048","display_name":"Particle physics theoretical and experimental studies","score":0.9883000254631042,"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/T10224","display_name":"Quantum Chromodynamics and Particle Interactions","score":0.00989999994635582,"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/T11044","display_name":"Particle Detector Development and Performance","score":9.999999747378752e-05,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/angular-analysis","display_name":"angular analysis","score":0.5139999985694885},{"id":"https://openalex.org/keywords/angular-observables","display_name":"angular observables","score":0.7319999933242798},{"id":"https://openalex.org/keywords/tensor-force","display_name":"tensor force","score":0.9290000200271606},{"id":"https://openalex.org/keywords/lepton-flavor-violation","display_name":"lepton flavor violation","score":0.5009999871253967},{"id":"https://openalex.org/keywords/new-physics-signatures","display_name":"new physics signatures","score":0.36899998784065247}],"concepts":[{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.8611000180244446},{"id":"https://openalex.org/C52233224","wikidata":"https://www.wikidata.org/wiki/Q44363","display_name":"Fermion","level":2,"score":0.7940000295639038},{"id":"https://openalex.org/C54937798","wikidata":"https://www.wikidata.org/wiki/Q2024141","display_name":"Massless particle","level":2,"score":0.7832000255584717},{"id":"https://openalex.org/C32848918","wikidata":"https://www.wikidata.org/wiki/Q845789","display_name":"Observable","level":2,"score":0.7145000100135803},{"id":"https://openalex.org/C109214941","wikidata":"https://www.wikidata.org/wiki/Q18334","display_name":"Particle physics","level":1,"score":0.7064999938011169},{"id":"https://openalex.org/C179203047","wikidata":"https://www.wikidata.org/wiki/Q82586","display_name":"Lepton","level":3,"score":0.5845000147819519},{"id":"https://openalex.org/C7602139","wikidata":"https://www.wikidata.org/wiki/Q6718","display_name":"Quark","level":2,"score":0.48910000920295715},{"id":"https://openalex.org/C155281189","wikidata":"https://www.wikidata.org/wiki/Q3518150","display_name":"Tensor (intrinsic definition)","level":2,"score":0.45399999618530273},{"id":"https://openalex.org/C148043351","wikidata":"https://www.wikidata.org/wiki/Q4456944","display_name":"Current (fluid)","level":2,"score":0.3912999927997589},{"id":"https://openalex.org/C33332235","wikidata":"https://www.wikidata.org/wiki/Q18362","display_name":"Theoretical physics","level":1,"score":0.3840999901294708},{"id":"https://openalex.org/C101454708","wikidata":"https://www.wikidata.org/wiki/Q17106019","display_name":"Standard Model (mathematical formulation)","level":3,"score":0.35760000348091125},{"id":"https://openalex.org/C2779625871","wikidata":"https://www.wikidata.org/wiki/Q22811512","display_name":"Extra dimensions","level":2,"score":0.3472999930381775},{"id":"https://openalex.org/C207206121","wikidata":"https://www.wikidata.org/wiki/Q6778","display_name":"Top quark","level":3,"score":0.31850001215934753},{"id":"https://openalex.org/C184748400","wikidata":"https://www.wikidata.org/wiki/Q2599934","display_name":"Physics beyond the Standard Model","level":2,"score":0.28850001096725464},{"id":"https://openalex.org/C176616139","wikidata":"https://www.wikidata.org/wiki/Q1890674","display_name":"Quark model","level":4,"score":0.2732999920845032},{"id":"https://openalex.org/C159249277","wikidata":"https://www.wikidata.org/wiki/Q79925","display_name":"Dark matter","level":2,"score":0.25429999828338623},{"id":"https://openalex.org/C82189318","wikidata":"https://www.wikidata.org/wiki/Q6987233","display_name":"Negative mass","level":2,"score":0.25189998745918274},{"id":"https://openalex.org/C102999125","wikidata":"https://www.wikidata.org/wiki/Q43116","display_name":"Elementary particle","level":2,"score":0.2502000033855438}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:arXiv.org:2609.11840","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2609.11840","pdf_url":"https://arxiv.org/pdf/2609.11840","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":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"doi:10.48550/arxiv.2609.11840","doi":"https://doi.org/10.48550/arxiv.2609.11840","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2609.11840","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","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2609.11840","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2609.11840","pdf_url":"https://arxiv.org/pdf/2609.11840","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":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7212255136.pdf","grobid_xml":"https://content.openalex.org/works/W7212255136.grobid-xml"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W7165755673","https://openalex.org/W7165652691","https://openalex.org/W7214806402","https://openalex.org/W4312010547","https://openalex.org/W7133571107","https://openalex.org/W7161007488","https://openalex.org/W4224218340","https://openalex.org/W3137835000","https://openalex.org/W4416000744","https://openalex.org/W4393282238"],"abstract_inverted_index":{"We":[0,49],"investigate":[1],"the":[2],"effects":[3],"of":[4],"a":[5,18,24,31],"massive":[6,46],"invisible":[7,47],"fermion":[8],"in":[9],"$\u039b_b^0":[10],"\\to":[11],"\u039b_c^+":[12],"\\ell^-":[13],"\\bar{X}_{\\rm":[14],"inv}$":[15],"decays":[16],"using":[17],"model-independent":[19],"weak":[20],"effective":[21],"theory.":[22],"Through":[23],"comprehensive":[25],"angular":[26,39],"analysis,":[27],"we":[28],"show":[29],"that":[30,41,52],"nonzero":[32],"invisible-particle":[33],"mass":[34],"leaves":[35],"characteristic":[36],"imprints":[37],"on":[38],"observables":[40,54],"can":[42],"distinguish":[43],"massless":[44],"and":[45,61,69,72],"states.":[48],"further":[50],"demonstrate":[51],"these":[53],"provide":[55],"strong":[56],"discrimination":[57],"among":[58],"vector/axial-vector,":[59],"scalar/pseudoscalar,":[60],"tensor":[62],"interactions,":[63],"as":[64,66],"well":[65],"between":[67],"left-":[68],"right-handed":[70],"quark":[71],"lepton":[73],"current":[74],"operators.":[75]},"counts_by_year":[],"updated_date":"2026-10-28T10:33:24.094632","created_date":"2026-09-12T00:00:00"}
