{"id":"https://openalex.org/W3011069131","doi":null,"title":"Pseudoscalar-portal Dark Matter in the Light of AMS-02 positron excess","display_name":"Pseudoscalar-portal Dark Matter in the Light of AMS-02 positron excess","publication_year":2020,"publication_date":"2020-03-17","ids":{"openalex":"https://openalex.org/W3011069131","mag":"3011069131"},"language":"en","primary_location":{"id":"mag:3011069131","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/pdf/2003.07675","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":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"arXiv (Cornell University)","raw_type":null},"volume":null,"type":"preprint","indexed_in":[],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2003.07675","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5106627772","display_name":"S. Ghosh","orcid":"https://orcid.org/0000-0001-7785-9102","observed_orcids":["https://orcid.org/0000-0001-7785-9102"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Sayan Ghosh","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0001-7785-9102","affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067046822","display_name":"Amit Dutta Banik","orcid":"https://orcid.org/0000-0003-2602-3529","observed_orcids":["https://orcid.org/0000-0003-2602-3529"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Amit Dutta Banik","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0003-2602-3529","affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005076948","display_name":"Eung Jin Chun","orcid":"https://orcid.org/0000-0003-4786-313X","observed_orcids":["https://orcid.org/0000-0003-4786-313X"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Eung Jin Chun","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5072755126","display_name":"Debasish Majumdar","orcid":"https://orcid.org/0000-0002-7428-7986","observed_orcids":["https://orcid.org/0000-0002-7428-7986"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Debasish Majumdar","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0002-7428-7986","affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"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/T11090","display_name":"Dark Matter and Cosmic Phenomena","score":0.8939999938011169,"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/T11090","display_name":"Dark Matter and Cosmic Phenomena","score":0.8939999938011169,"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/T10048","display_name":"Particle physics theoretical and experimental studies","score":0.10130000114440918,"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":0.0006000000284984708,"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/dark-matter","display_name":"dark matter","score":0.9409999847412109},{"id":"https://openalex.org/keywords/two-higgs-doublet-model","display_name":"two Higgs doublet model","score":0.9229999780654907},{"id":"https://openalex.org/keywords/leptophilic-dark-matter","display_name":"leptophilic dark matter","score":0.9110000133514404},{"id":"https://openalex.org/keywords/muon-g-2-anomaly","display_name":"muon g-2 anomaly","score":0.8289999961853027},{"id":"https://openalex.org/keywords/sommerfeld-effect","display_name":"Sommerfeld effect","score":0.8370000123977661},{"id":"https://openalex.org/keywords/dark-matter-annihilation","display_name":"dark matter annihilation","score":0.7990000247955322},{"id":"https://openalex.org/keywords/positron-fraction","display_name":"positron fraction","score":0.8230000138282776},{"id":"https://openalex.org/keywords/positron-spectrum","display_name":"positron spectrum","score":0.9240000247955322}],"concepts":[{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.9105287194252014},{"id":"https://openalex.org/C101583263","wikidata":"https://www.wikidata.org/wiki/Q1748985","display_name":"Pseudoscalar","level":3,"score":0.8663746118545532},{"id":"https://openalex.org/C109214941","wikidata":"https://www.wikidata.org/wiki/Q18334","display_name":"Particle physics","level":1,"score":0.827643632888794},{"id":"https://openalex.org/C159249277","wikidata":"https://www.wikidata.org/wiki/Q79925","display_name":"Dark matter","level":2,"score":0.7093554735183716},{"id":"https://openalex.org/C158129726","wikidata":"https://www.wikidata.org/wiki/Q402","display_name":"Higgs boson","level":2,"score":0.6376572251319885},{"id":"https://openalex.org/C202100949","wikidata":"https://www.wikidata.org/wiki/Q3229","display_name":"Positron","level":3,"score":0.580599844455719},{"id":"https://openalex.org/C201941533","wikidata":"https://www.wikidata.org/wiki/Q188721","display_name":"Annihilation","level":2,"score":0.5666881799697876},{"id":"https://openalex.org/C205334942","wikidata":"https://www.wikidata.org/wiki/Q3151","display_name":"Muon","level":2,"score":0.5204493999481201},{"id":"https://openalex.org/C52233224","wikidata":"https://www.wikidata.org/wiki/Q44363","display_name":"Fermion","level":2,"score":0.5150265693664551},{"id":"https://openalex.org/C185544564","wikidata":"https://www.wikidata.org/wiki/Q81197","display_name":"Nuclear physics","level":1,"score":0.4176768958568573},{"id":"https://openalex.org/C7602139","wikidata":"https://www.wikidata.org/wiki/Q6718","display_name":"Quark","level":2,"score":0.18480512499809265},{"id":"https://openalex.org/C147120987","wikidata":"https://www.wikidata.org/wiki/Q2225","display_name":"Electron","level":2,"score":0.05385851860046387}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:3011069131","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/pdf/2003.07675","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":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"arXiv (Cornell University)","raw_type":null}],"best_oa_location":{"id":"mag:3011069131","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/pdf/2003.07675","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":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"arXiv (Cornell University)","raw_type":null},"sustainable_development_goals":[],"sustainable_development_goals_aurora":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":62,"referenced_works":["https://openalex.org/W223170623","https://openalex.org/W1862517243","https://openalex.org/W1921254765","https://openalex.org/W1925136644","https://openalex.org/W1960620706","https://openalex.org/W1965586140","https://openalex.org/W1982170625","https://openalex.org/W1994122117","https://openalex.org/W2013185654","https://openalex.org/W2018694312","https://openalex.org/W2030969056","https://openalex.org/W2038056526","https://openalex.org/W2040057473","https://openalex.org/W2044865823","https://openalex.org/W2059010658","https://openalex.org/W2074628032","https://openalex.org/W2078452600","https://openalex.org/W2082173881","https://openalex.org/W2084194847","https://openalex.org/W2085020585","https://openalex.org/W2098710805","https://openalex.org/W2099920546","https://openalex.org/W2108577214","https://openalex.org/W2110996783","https://openalex.org/W2111121694","https://openalex.org/W2113590725","https://openalex.org/W2122765019","https://openalex.org/W2124075924","https://openalex.org/W2126014283","https://openalex.org/W2131115769","https://openalex.org/W2157379494","https://openalex.org/W2175468123","https://openalex.org/W2283229609","https://openalex.org/W2398421633","https://openalex.org/W2426632651","https://openalex.org/W2506915956","https://openalex.org/W2610840911","https://openalex.org/W2728260920","https://openalex.org/W2736768320","https://openalex.org/W2767294280","https://openalex.org/W2769525151","https://openalex.org/W2795385403","https://openalex.org/W2809036207","https://openalex.org/W2883426613","https://openalex.org/W2884708520","https://openalex.org/W2889856660","https://openalex.org/W2895083686","https://openalex.org/W2903671730","https://openalex.org/W2904262825","https://openalex.org/W2905260685","https://openalex.org/W2911416682","https://openalex.org/W2911693790","https://openalex.org/W2984411116","https://openalex.org/W2986236606","https://openalex.org/W3092142106","https://openalex.org/W3093782169","https://openalex.org/W3096444001","https://openalex.org/W3101208491","https://openalex.org/W3102782745","https://openalex.org/W3103713206","https://openalex.org/W3157840402","https://openalex.org/W3213663245"],"related_works":["https://openalex.org/W3165424504","https://openalex.org/W2139369947","https://openalex.org/W2127785580","https://openalex.org/W1629564017","https://openalex.org/W2081408727","https://openalex.org/W2908689080","https://openalex.org/W3210890928","https://openalex.org/W2311820874","https://openalex.org/W1919933967","https://openalex.org/W2231057173","https://openalex.org/W1896448032","https://openalex.org/W3105330891","https://openalex.org/W2606968470","https://openalex.org/W2283229609","https://openalex.org/W2036199391","https://openalex.org/W2055444186","https://openalex.org/W2127354218","https://openalex.org/W1976007154","https://openalex.org/W2728260920","https://openalex.org/W3100148811"],"abstract_inverted_index":{"We":[0],"revisit":[1],"dark":[2,26,67,76,110],"matter":[3,27,68,77,111],"annihilation":[4,121],"as":[5,161,163],"an":[6,39,145],"explanation":[7],"of":[8,92,103,125],"the":[9,15,54,58,61,66,72,84,95,101,104,115,135,140,158,164],"positron":[10,116,159,165],"excess":[11,117],"reported":[12],"recently":[13],"by":[14,29,82,139],"AMS-02":[16],"satellite-borne":[17],"experiment.":[18],"To":[19],"this":[20],"end,":[21],"we":[22,113,149],"propose":[23],"a":[24,31,44,88,109,123],"particle":[25],"model":[28,154],"considering":[30],"Two":[32],"Higgs":[33,127],"Doublet":[34],"Model":[35],"(THDM)":[36],"extended":[37],"with":[38,53,144],"additional":[40,48],"pseudoscalar":[41,50,55,73,142],"singlet":[42,45,51,62,105],"and":[43,60,87,143],"fermion.":[46],"The":[47,75],"(light)":[49],"mixes":[52],"inherent":[56],"in":[57],"THDM,":[59],"fermion,":[63],"which":[64,129],"is":[65,79],"candidate,":[69,112],"annihilates":[70],"via":[71],"portal.":[74],"candidate":[78],"made":[80],"leptophilic":[81],"choosing":[83],"muon-specific":[85],"THDM":[86],"suitable":[89],"high":[90],"value":[91],"$\\tan\\beta$":[93],"explaining":[94],"muon":[96],"g-2":[97],"anomaly.":[98],"After":[99],"establishing":[100],"viability":[102],"fermion":[106],"to":[107,122,132],"be":[108],"calculate":[114],"coming":[118],"from":[119],"its":[120],"pair":[124],"heavy":[126],"bosons":[128],"primarily":[130],"decay":[131],"muons.":[133],"Incorporating":[134],"Sommerfeld":[136],"effect":[137],"caused":[138],"light":[141],"appropriate":[146],"boost":[147],"factor,":[148],"find":[150],"that":[151],"our":[152],"proposed":[153],"can":[155],"satisfactorily":[156],"explain":[157],"fraction":[160],"well":[162],"spectrum":[166],"data.":[167]},"counts_by_year":[{"year":2023,"cited_by_count":1}],"updated_date":"2026-10-16T09:59:22.235173","created_date":"2025-10-10T00:00:00"}
