IHEP OpenIR  > 实验物理中心
Dark photon search in the mass range between 1.5 and 3.4 GeV/c
BESIII Collaboration
2017
Source PublicationPHYSICS LETTERS B
ISSN0370-2693
EISSN1873-2445
Volume774Pages:252-257
SubtypeArticle
AbstractUsing a data set of 2.93 fb taken at a center-of-mass energy root s = 3.773 GeV with the BESIII detector at the BEPCII collider, we perform a search for an extra U(1) gauge boson, also denoted as a dark photon. We examine the initial state radiation reactions e(+)e(-) -> e(+)e(-) gamma(ISR) and e(+)e(-) -> mu(+)mu(-) gamma(ISR) for this search, where the dark photon would appear as an enhancement in the invariant mass distribution of the leptonic pairs. We observe no obvious enhancement in the mass range between 1.5 and 3.4 GeV/c(2) and set a 90% confidence level upper limit on the mixing strength of the dark photon and the Standard Model photon. We obtain a competitive limit in the tested mass range. (c) 2017 The Author(s). Published by Elsevier B.V.
KeywordDark photon search Initial state radiation BESIII
DOI10.1016/j.physletb.2017.09.067
WOS KeywordELECTRON-BEAM-DUMP ; KLOE EXPERIMENT ; VECTOR BOSON ; FLAVOR FACTORIES ; CROSS-SECTION ; U-GAMMA ; E(+)E(-) ; DECAYS ; PI(0) ; LIMIT
Indexed BySCI ; SCOPUS ; ADS ; INSPIREHEP
Language英语
WOS Research AreaAstronomy & Astrophysics ; Physics
WOS SubjectAstronomy & Astrophysics ; Physics, Nuclear ; Physics, Particles & Fields
WOS IDWOS:000414973200037
ADS Bibcode2017PhLB..774..252A
ADS URLhttps://ui.adsabs.harvard.edu/abs/2017PhLB..774..252A
ADS CITATIONShttps://ui.adsabs.harvard.edu/abs/2017PhLB..774..252A/citations
AXRIV CODE175
inspireid1599080
inspireURLhttps://inspirehep.net/record/1599080
Citation statistics
Cited Times:50 [ADS]
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/284555
Collection实验物理中心
Affiliation中国科学院高能物理研究所
First Author AffilicationInstitute of High Energy
Recommended Citation
GB/T 7714
BESIII Collaboration. Dark photon search in the mass range between 1.5 and 3.4 GeV/c[J]. PHYSICS LETTERS B,2017,774:252-257.
APA BESIII Collaboration.(2017).Dark photon search in the mass range between 1.5 and 3.4 GeV/c.PHYSICS LETTERS B,774,252-257.
MLA BESIII Collaboration."Dark photon search in the mass range between 1.5 and 3.4 GeV/c".PHYSICS LETTERS B 774(2017):252-257.
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