{"id":"https://openalex.org/W7214962019","doi":"https://doi.org/10.48550/arxiv.2609.35981","title":"Higgs pseudo-observables in $e^+e^-\\to h\u03b3$","display_name":"Higgs pseudo-observables in $e^+e^-\\to h\u03b3$","publication_year":2026,"publication_date":"2026-09-28","ids":{"openalex":"https://openalex.org/W7214962019","doi":"https://doi.org/10.48550/arxiv.2609.35981"},"language":"en","primary_location":{"id":"pmh:oai:arXiv.org:2609.35981","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2609.35981","pdf_url":"https://arxiv.org/pdf/2609.35981","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/2609.35981","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5153585232","display_name":"Fausto Boniotti","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I202697423","display_name":"University of Zurich","ror":"https://ror.org/02crff812","country_code":"CH","type":"education","lineage":["https://openalex.org/I202697423"]},{"id":"https://openalex.org/I2802229908","display_name":"Paul Scherrer Institute","ror":"https://ror.org/03eh3y714","country_code":"CH","type":"facility","lineage":["https://openalex.org/I2799323385","https://openalex.org/I2802229908"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Boniotti, Fausto","raw_affiliation_strings":["PSI Center for Neutron and Muon Sciences , 5232 Villigen PSI , Switzerland","Physik-Institut , Universit\u00e4t Z\u00fcrich , CH-8057 Z\u00fcrich , Switzerland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"PSI Center for Neutron and Muon Sciences , 5232 Villigen PSI , Switzerland","institution_ids":["https://openalex.org/I2802229908"]},{"raw_affiliation_string":"Physik-Institut , Universit\u00e4t Z\u00fcrich , CH-8057 Z\u00fcrich , Switzerland","institution_ids":["https://openalex.org/I202697423"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050909733","display_name":"Gino Isidori","orcid":"https://orcid.org/0000-0003-3825-3874","observed_orcids":["https://orcid.org/0000-0003-3825-3874"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Isidori, Gino","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5114452430","display_name":"Christiane Mayer","orcid":"https://orcid.org/0009-0007-6692-4977","observed_orcids":["https://orcid.org/0009-0007-6692-4977"]},"institutions":[{"id":"https://openalex.org/I202697423","display_name":"University of Zurich","ror":"https://ror.org/02crff812","country_code":"CH","type":"education","lineage":["https://openalex.org/I202697423"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Mayer, Christiane","raw_affiliation_strings":["Physik-Institut , Universit\u00e4t Z\u00fcrich , CH-8057 Z\u00fcrich , Switzerland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Physik-Institut , Universit\u00e4t Z\u00fcrich , CH-8057 Z\u00fcrich , Switzerland","institution_ids":["https://openalex.org/I202697423"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5062704611","display_name":"Emanuelle Pinsard","orcid":"https://orcid.org/0000-0001-5796-6111","observed_orcids":["https://orcid.org/0000-0001-5796-6111"]},"institutions":[{"id":"https://openalex.org/I202697423","display_name":"University of Zurich","ror":"https://ror.org/02crff812","country_code":"CH","type":"education","lineage":["https://openalex.org/I202697423"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Pinsard, Emanuelle","raw_affiliation_strings":["Physik-Institut , Universit\u00e4t Z\u00fcrich , CH-8057 Z\u00fcrich , Switzerland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Physik-Institut , Universit\u00e4t Z\u00fcrich , CH-8057 Z\u00fcrich , Switzerland","institution_ids":["https://openalex.org/I202697423"]}]}],"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":0.9994999766349792,"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":0.9994999766349792,"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":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"}},{"id":"https://openalex.org/T12516","display_name":"Advanced Mathematical Theories and Applications","score":0.0,"subfield":{"id":"https://openalex.org/subfields/3109","display_name":"Statistical and Nonlinear 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/higgs-photon-coupling","display_name":"Higgs-photon coupling","score":0.4449999928474426},{"id":"https://openalex.org/keywords/z-pole","display_name":"Z pole","score":0.8619999885559082},{"id":"https://openalex.org/keywords/effective-coupling","display_name":"effective coupling","score":0.5590000152587891},{"id":"https://openalex.org/keywords/contact-interaction","display_name":"contact interaction","score":0.6729999780654907},{"id":"https://openalex.org/keywords/derivative-expansion","display_name":"derivative expansion","score":0.8320000171661377},{"id":"https://openalex.org/keywords/standard-model-effective-field-theory","display_name":"Standard Model Effective Field Theory","score":0.6830000281333923},{"id":"https://openalex.org/keywords/fcc-ee","display_name":"FCC-ee","score":0.8870000243186951},{"id":"https://openalex.org/keywords/z-model","display_name":"Z' models","score":0.859000027179718},{"id":"https://openalex.org/keywords/beyond-the-standard-model","display_name":"beyond the Standard Model","score":0.5410000085830688},{"id":"https://openalex.org/keywords/higgs-boson-decays","display_name":"Higgs boson decays","score":0.8759999871253967}],"concepts":[{"id":"https://openalex.org/C158129726","wikidata":"https://www.wikidata.org/wiki/Q402","display_name":"Higgs boson","level":2,"score":0.784500002861023},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.7214999794960022},{"id":"https://openalex.org/C109214941","wikidata":"https://www.wikidata.org/wiki/Q18334","display_name":"Particle physics","level":1,"score":0.7107999920845032},{"id":"https://openalex.org/C101454708","wikidata":"https://www.wikidata.org/wiki/Q17106019","display_name":"Standard Model (mathematical formulation)","level":3,"score":0.5831000208854675},{"id":"https://openalex.org/C180205008","wikidata":"https://www.wikidata.org/wiki/Q159190","display_name":"Amplitude","level":2,"score":0.526199996471405},{"id":"https://openalex.org/C139676723","wikidata":"https://www.wikidata.org/wiki/Q1193832","display_name":"Sign (mathematics)","level":2,"score":0.4381999969482422},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.4214000105857849},{"id":"https://openalex.org/C151201525","wikidata":"https://www.wikidata.org/wiki/Q177239","display_name":"Limit (mathematics)","level":2,"score":0.39489999413490295},{"id":"https://openalex.org/C33332235","wikidata":"https://www.wikidata.org/wiki/Q18362","display_name":"Theoretical physics","level":1,"score":0.37770000100135803},{"id":"https://openalex.org/C184748400","wikidata":"https://www.wikidata.org/wiki/Q2599934","display_name":"Physics beyond the Standard Model","level":2,"score":0.3720000088214874},{"id":"https://openalex.org/C61797465","wikidata":"https://www.wikidata.org/wiki/Q1188986","display_name":"Term (time)","level":2,"score":0.3199000060558319},{"id":"https://openalex.org/C102999125","wikidata":"https://www.wikidata.org/wiki/Q43116","display_name":"Elementary particle","level":2,"score":0.311599999666214},{"id":"https://openalex.org/C121864883","wikidata":"https://www.wikidata.org/wiki/Q677916","display_name":"Statistical physics","level":1,"score":0.3109000027179718},{"id":"https://openalex.org/C163387558","wikidata":"https://www.wikidata.org/wiki/Q281778","display_name":"Effective field theory","level":2,"score":0.30709999799728394},{"id":"https://openalex.org/C2778453073","wikidata":"https://www.wikidata.org/wiki/Q4118034","display_name":"Interaction point","level":3,"score":0.29589998722076416},{"id":"https://openalex.org/C179885171","wikidata":"https://www.wikidata.org/wiki/Q2094142","display_name":"Higgs field","level":3,"score":0.28630000352859497},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.26330000162124634},{"id":"https://openalex.org/C2776388722","wikidata":"https://www.wikidata.org/wiki/Q18394882","display_name":"Two-Higgs-doublet model","level":3,"score":0.2621999979019165},{"id":"https://openalex.org/C13962471","wikidata":"https://www.wikidata.org/wiki/Q17156833","display_name":"Tachyonic field","level":5,"score":0.26190000772476196},{"id":"https://openalex.org/C41002478","wikidata":"https://www.wikidata.org/wiki/Q12794416","display_name":"CP violation","level":2,"score":0.25769999623298645}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:arXiv.org:2609.35981","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2609.35981","pdf_url":"https://arxiv.org/pdf/2609.35981","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.2609.35981","doi":"https://doi.org/10.48550/arxiv.2609.35981","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2609.35981","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:2609.35981","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2609.35981","pdf_url":"https://arxiv.org/pdf/2609.35981","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":[{"id":"https://openalex.org/G6960901487","display_name":null,"funder_award_id":"2000-1-240011","funder_id":"https://openalex.org/F4320320924","funder_display_name":"Schweizerischer Nationalfonds zur F\u00f6rderung der Wissenschaftlichen Forschung"}],"funders":[{"id":"https://openalex.org/F4320320924","display_name":"Schweizerischer Nationalfonds zur F\u00f6rderung der Wissenschaftlichen Forschung","ror":"https://ror.org/00yjd3n13"},{"id":"https://openalex.org/F4320337511","display_name":"High Energy Physics","ror":"https://ror.org/035m6g344"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7214962019.pdf","grobid_xml":"https://content.openalex.org/works/W7214962019.grobid-xml"},"referenced_works_count":2,"referenced_works":["https://openalex.org/W2004049151","https://openalex.org/W2121190578"],"related_works":["https://openalex.org/W1985890034","https://openalex.org/W7213921164","https://openalex.org/W1494046795","https://openalex.org/W4297786435","https://openalex.org/W7036221367","https://openalex.org/W6884301848","https://openalex.org/W7097964782","https://openalex.org/W1845844709","https://openalex.org/W1970844303","https://openalex.org/W2798993004"],"abstract_inverted_index":{"We":[0,25],"analyse":[1],"the":[2,7,20,27,45,49,55,84],"process":[3],"$e^+e^-\\to":[4,97],"h\u03b3$":[5,98],"in":[6,12,54,71,76],"Standard":[8],"Model":[9],"(SM)":[10],"and":[11,35,57,78],"generic":[13],"extensions":[14],"with":[15,109],"heavy":[16,39],"new":[17,40,118],"physics,":[18,41],"using":[19],"framework":[21],"of":[22,86,96,120],"Higgs":[23,81],"pseudo-observables.":[24],"decompose":[26],"one-loop":[28],"amplitude":[29],"into":[30],"separately":[31],"gauge-invariant":[32],"photon-pole,":[33],"$Z$-pole,":[34],"non-pole":[36],"contributions.":[37],"For":[38],"we":[42],"show":[43],"that":[44],"leading":[46],"deviations":[47],"from":[48],"SM":[50],"are":[51],"necessarily":[52],"encoded":[53],"$h\u03b3\u03b3$":[56],"$hZ\u03b3$":[58],"on-shell":[59],"effective":[60],"couplings.":[61],"Genuine":[62],"$e^+e^-h\u03b3$":[63],"contact":[64],"interactions":[65],"arise":[66],"only":[67],"at":[68,99],"higher":[69],"orders":[70],"a":[72,125],"derivative":[73],"expansion,":[74],"both":[75],"SMEFT":[77],"HEFT.":[79],"Although":[80],"decays":[82],"constrain":[83],"magnitudes":[85],"these":[87],"pseudo-observables,":[88],"they":[89],"leave":[90],"their":[91],"relative":[92],"sign":[93],"undetermined.":[94],"Measurements":[95],"different":[100],"FCC-ee":[101],"energies":[102],"can":[103],"resolve":[104],"this":[105,110],"ambiguity.":[106],"Deviations":[107],"incompatible":[108],"description":[111],"would":[112],"instead":[113],"point":[114],"towards":[115],"relatively":[116],"light":[117],"degrees":[119],"freedom,":[121],"as":[122],"illustrated":[123],"by":[124],"simplified":[126],"$Z'$":[127],"model.":[128]},"counts_by_year":[],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2026-10-01T00:00:00"}