{"id":"https://openalex.org/W7221801320","doi":"https://doi.org/10.48550/arxiv.2610.18334","title":"Cosmological Consequences of a Highly Decoupled Right-handed Neutrino","display_name":"Cosmological Consequences of a Highly Decoupled Right-handed Neutrino","publication_year":2026,"publication_date":"2026-10-13","ids":{"openalex":"https://openalex.org/W7221801320","doi":"https://doi.org/10.48550/arxiv.2610.18334"},"language":"en","primary_location":{"id":"pmh:oai:arXiv.org:2610.18334","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2610.18334","pdf_url":"https://arxiv.org/pdf/2610.18334","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/2610.18334","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5044956091","display_name":"Stephen F. King","orcid":"https://orcid.org/0000-0002-4351-7507","observed_orcids":["https://orcid.org/0000-0002-4351-7507"]},"institutions":[{"id":"https://openalex.org/I43439940","display_name":"University of Southampton","ror":"https://ror.org/01ryk1543","country_code":"GB","type":"education","lineage":["https://openalex.org/I43439940"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"King, Stephen F.","raw_affiliation_strings":["School of Physics and Astronomy , University of Southampton , Southampton , SO17 1BJ , U.K"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Physics and Astronomy , University of Southampton , Southampton , SO17 1BJ , U.K","institution_ids":["https://openalex.org/I43439940"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5046757054","display_name":"Rishav Roshan","orcid":"https://orcid.org/0000-0002-8545-4188","observed_orcids":["https://orcid.org/0000-0002-8545-4188"]},"institutions":[{"id":"https://openalex.org/I43439940","display_name":"University of Southampton","ror":"https://ror.org/01ryk1543","country_code":"GB","type":"education","lineage":["https://openalex.org/I43439940"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Roshan, Rishav","raw_affiliation_strings":["School of Physics and Astronomy , University of Southampton , Southampton , SO17 1BJ , U.K"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Physics and Astronomy , University of Southampton , Southampton , SO17 1BJ , U.K","institution_ids":["https://openalex.org/I43439940"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5091889872","display_name":"Sudipta Show","orcid":"https://orcid.org/0000-0003-0436-6483","observed_orcids":["https://orcid.org/0000-0003-0436-6483"]},"institutions":[{"id":"https://openalex.org/I94234084","display_name":"Indian Institute of Technology Kanpur","ror":"https://ror.org/05pjsgx75","country_code":"IN","type":"education","lineage":["https://openalex.org/I94234084"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Show, Sudipta","raw_affiliation_strings":["Department of Physics , Indian Institute of Technology Kanpur , Kanpur 208016 , India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics , Indian Institute of Technology Kanpur , Kanpur 208016 , India","institution_ids":["https://openalex.org/I94234084"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":1,"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":0.5414999723434448,"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":0.5414999723434448,"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/T10921","display_name":"Neutrino Physics Research","score":0.2215999960899353,"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/T10095","display_name":"Cosmology and Gravitation Theories","score":0.19820000231266022,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"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/right-handed-neutrinos","display_name":"right-handed neutrinos","score":0.8569999933242798},{"id":"https://openalex.org/keywords/baryon-asymmetry","display_name":"baryon asymmetry","score":0.8970000147819519},{"id":"https://openalex.org/keywords/matter-dominated-era","display_name":"matter-dominated era","score":0.7049999833106995},{"id":"https://openalex.org/keywords/cosmic-strings","display_name":"cosmic strings","score":0.8709999918937683},{"id":"https://openalex.org/keywords/gravitational-wave-background","display_name":"gravitational wave background","score":0.972000002861023},{"id":"https://openalex.org/keywords/spectral-break","display_name":"spectral break","score":0.6620000004768372},{"id":"https://openalex.org/keywords/early-universe","display_name":"early universe","score":0.4690000116825104},{"id":"https://openalex.org/keywords/neutrino-mass","display_name":"neutrino mass","score":0.6759999990463257},{"id":"https://openalex.org/keywords/long-lived-particles","display_name":"long-lived particles","score":0.48899999260902405}],"concepts":[{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.935699999332428},{"id":"https://openalex.org/C186453547","wikidata":"https://www.wikidata.org/wiki/Q2126","display_name":"Neutrino","level":2,"score":0.7871999740600586},{"id":"https://openalex.org/C109214941","wikidata":"https://www.wikidata.org/wiki/Q18334","display_name":"Particle physics","level":1,"score":0.732200026512146},{"id":"https://openalex.org/C151195881","wikidata":"https://www.wikidata.org/wiki/Q1153833","display_name":"Yukawa potential","level":2,"score":0.477400004863739},{"id":"https://openalex.org/C84999194","wikidata":"https://www.wikidata.org/wiki/Q1","display_name":"Universe","level":2,"score":0.4429999887943268},{"id":"https://openalex.org/C59375849","wikidata":"https://www.wikidata.org/wiki/Q5013513","display_name":"COSMIC cancer database","level":2,"score":0.4426000118255615},{"id":"https://openalex.org/C40976572","wikidata":"https://www.wikidata.org/wiki/Q2330873","display_name":"Gauge (firearms)","level":2,"score":0.4399000108242035},{"id":"https://openalex.org/C107966497","wikidata":"https://www.wikidata.org/wiki/Q509021","display_name":"Neutrino oscillation","level":3,"score":0.420199990272522},{"id":"https://openalex.org/C2779293552","wikidata":"https://www.wikidata.org/wiki/Q809677","display_name":"Baryon asymmetry","level":4,"score":0.41600000858306885},{"id":"https://openalex.org/C38976095","wikidata":"https://www.wikidata.org/wiki/Q752641","display_name":"Asymmetry","level":2,"score":0.36640000343322754},{"id":"https://openalex.org/C54937798","wikidata":"https://www.wikidata.org/wiki/Q2024141","display_name":"Massless particle","level":2,"score":0.3610000014305115},{"id":"https://openalex.org/C154153549","wikidata":"https://www.wikidata.org/wiki/Q159731","display_name":"Baryon","level":2,"score":0.3440999984741211},{"id":"https://openalex.org/C2780935849","wikidata":"https://www.wikidata.org/wiki/Q6784044","display_name":"Mass generation","level":3,"score":0.33719998598098755},{"id":"https://openalex.org/C185544564","wikidata":"https://www.wikidata.org/wiki/Q81197","display_name":"Nuclear physics","level":1,"score":0.33250001072883606},{"id":"https://openalex.org/C174045041","wikidata":"https://www.wikidata.org/wiki/Q110346","display_name":"Baryon number","level":3,"score":0.3102000057697296},{"id":"https://openalex.org/C101454708","wikidata":"https://www.wikidata.org/wiki/Q17106019","display_name":"Standard Model (mathematical formulation)","level":3,"score":0.2897999882698059},{"id":"https://openalex.org/C102999125","wikidata":"https://www.wikidata.org/wiki/Q43116","display_name":"Elementary particle","level":2,"score":0.2854999899864197},{"id":"https://openalex.org/C19694890","wikidata":"https://www.wikidata.org/wiki/Q101667","display_name":"Hadron","level":2,"score":0.2815000116825104},{"id":"https://openalex.org/C94915269","wikidata":"https://www.wikidata.org/wiki/Q1834857","display_name":"Detector","level":2,"score":0.27799999713897705},{"id":"https://openalex.org/C151987854","wikidata":"https://www.wikidata.org/wiki/Q1097654","display_name":"Invariant mass","level":2,"score":0.27619999647140503},{"id":"https://openalex.org/C52233224","wikidata":"https://www.wikidata.org/wiki/Q44363","display_name":"Fermion","level":2,"score":0.2752000093460083},{"id":"https://openalex.org/C62796785","wikidata":"https://www.wikidata.org/wiki/Q12902765","display_name":"Cosmic background radiation","level":4,"score":0.2703000009059906},{"id":"https://openalex.org/C132221716","wikidata":"https://www.wikidata.org/wiki/Q583152","display_name":"Neutrino detector","level":4,"score":0.250900000333786}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:arXiv.org:2610.18334","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2610.18334","pdf_url":"https://arxiv.org/pdf/2610.18334","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.2610.18334","doi":"https://doi.org/10.48550/arxiv.2610.18334","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2610.18334","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:2610.18334","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2610.18334","pdf_url":"https://arxiv.org/pdf/2610.18334","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/W7221801320.pdf","grobid_xml":"https://content.openalex.org/works/W7221801320.grobid-xml"},"referenced_works_count":73,"referenced_works":["https://openalex.org/W1482745264","https://openalex.org/W1548811600","https://openalex.org/W1982484147","https://openalex.org/W1983868502","https://openalex.org/W1993907078","https://openalex.org/W1998660023","https://openalex.org/W2007501029","https://openalex.org/W2008897314","https://openalex.org/W2011303997","https://openalex.org/W2062115558","https://openalex.org/W2078516118","https://openalex.org/W2113243481","https://openalex.org/W2117125136","https://openalex.org/W2125172811","https://openalex.org/W2142039388","https://openalex.org/W2150408793","https://openalex.org/W2169761988","https://openalex.org/W2171240403","https://openalex.org/W2245223744","https://openalex.org/W2294094639","https://openalex.org/W2582250857","https://openalex.org/W2752517331","https://openalex.org/W2761025291","https://openalex.org/W2767446971","https://openalex.org/W2767681162","https://openalex.org/W2951685917","https://openalex.org/W2952062139","https://openalex.org/W2967451100","https://openalex.org/W2972250888","https://openalex.org/W2992488147","https://openalex.org/W2992506872","https://openalex.org/W2994499059","https://openalex.org/W3015559593","https://openalex.org/W3031349247","https://openalex.org/W3048928705","https://openalex.org/W3084549503","https://openalex.org/W3084648816","https://openalex.org/W3113087657","https://openalex.org/W3124216964","https://openalex.org/W3131530517","https://openalex.org/W3135506331","https://openalex.org/W3155730092","https://openalex.org/W3163624440","https://openalex.org/W3164004479","https://openalex.org/W3184454131","https://openalex.org/W3185962067","https://openalex.org/W3186433071","https://openalex.org/W3196450357","https://openalex.org/W3206739885","https://openalex.org/W4200138344","https://openalex.org/W4211185413","https://openalex.org/W4281642142","https://openalex.org/W4287992231","https://openalex.org/W4288041605","https://openalex.org/W4294844058","https://openalex.org/W4310747494","https://openalex.org/W4382358570","https://openalex.org/W4382358974","https://openalex.org/W4386216625","https://openalex.org/W4391313048","https://openalex.org/W4391692678","https://openalex.org/W4393931302","https://openalex.org/W4405957621","https://openalex.org/W4406165401","https://openalex.org/W4407407085","https://openalex.org/W4407569488","https://openalex.org/W4416440145","https://openalex.org/W4417246509","https://openalex.org/W4417464062","https://openalex.org/W6910464191","https://openalex.org/W7139012369","https://openalex.org/W7202280148","https://openalex.org/W7204186754"],"related_works":["https://openalex.org/W4416440145","https://openalex.org/W2036301556","https://openalex.org/W4388702123","https://openalex.org/W2042986612","https://openalex.org/W2039329138","https://openalex.org/W7155041822","https://openalex.org/W3117643059","https://openalex.org/W7054952346","https://openalex.org/W2018749756","https://openalex.org/W4413587549"],"abstract_inverted_index":{"In":[0],"the":[1,32,36,49,58,78,88,91,101,104,120,129,134],"minimal":[2,45],"type-I":[3],"seesaw,":[4],"one":[5],"right-handed":[6],"neutrino":[7,12,136],"(RHN)":[8],"can":[9,30],"decouple":[10],"from":[11,119],"mass":[13,132],"generation.":[14],"Such":[15],"a":[16,44,61,67,96,116,125],"state":[17],"is":[18],"usually":[19],"neglected,":[20],"yet":[21],"its":[22],"feeble":[23],"couplings":[24],"make":[25],"it":[26,29,85],"long-lived,":[27],"and":[28,66,81,133,150],"dominate":[31],"energy":[33],"density":[34],"of":[35,60,90,140],"Universe":[37],"before":[38],"decaying.":[39],"We":[40],"study":[41],"this":[42],"in":[43,103],"$U(1)_{B-L}$":[46,108],"model,":[47],"where":[48],"RHNs":[50],"are":[51],"produced":[52],"through":[53],"$B-L$":[54],"gauge":[55],"interactions,":[56,94],"for":[57,82],"cases":[59],"decoupled":[62,68,83,130],"lightest":[63,135],"RHN":[64,70,131],"$N_1$":[65,98],"heaviest":[69],"$N_3$.":[71],"The":[72],"resulting":[73],"early":[74,121],"matter-dominated":[75,122],"era":[76],"dilutes":[77],"baryon":[79],"asymmetry,":[80],"$N_3$":[84],"also":[86],"delays":[87],"equilibration":[89],"charged-lepton":[92],"Yukawa":[93],"allowing":[95],"lighter":[97],"to":[99],"generate":[100],"asymmetry":[102],"unflavoured":[105],"regime.":[106],"Breaking":[107],"forms":[109],"cosmic":[110],"strings":[111],"whose":[112],"gravitational-wave":[113],"background":[114],"acquires":[115],"spectral":[117],"break":[118],"era,":[123],"with":[124],"frequency":[126],"set":[127],"by":[128],"mass,":[137],"within":[138],"reach":[139],"future":[141],"detectors":[142],"such":[143],"as":[144],"SKA,":[145],"THEIA,":[146],"LISA,":[147],"$\u03bc$ARES,":[148],"DECIGO":[149],"ET.":[151]},"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2026-10-15T00:00:00"}