Dark photon search in the mass range between 1.5 and 3.4 GeV/c2

descriptionPublicationkeyboard_double_arrow_right Article , Preprint 01 Nov 2017Embargo end date: 01 Jan 2017 English Publisher:Elsevier BVJournal:Physics Letters B, volume 774, pages 252-257 (issn: 0370-2693,

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Authors: Ablikim, M.; Achasov, M. N.; Ferroli, R. Baldini; Hu, J. F.; Hu, T.; Hu, Y.; Huang, G. M.; +193 Authors

Ablikim, M.; Achasov, M. N.; Ferroli, R. Baldini; Hu, J. F.; Hu, T.; Hu, Y.; Huang, G. M.; Huang, G. S.; Huang, H. P.; Huang, J. S.; Huang, X. T.; Huang, Y.; Hussain, T.; Ban, Y.; Ji, Q.; Ji, Q. P.; Ji, X. B.; Ji, X. L.; Jiang, L. L.; Jiang, L. W.; Jiang, X. S.; Jiang, X. Y.; Jiao, J. B.; Jiao, Z.; Bennett, D. W.; Jin, D. P.; Jin, S.; Johansson, T.; Julin, A.; Kalantar-Nayestanaki, N.; Kang, X. L.; Kang, X. S.; Kavatsyuk, M.; Ke, B. C.; Kiese, P.; Bennett, J. V.; Kliemt, R.; Kloss, B.; Kolcu, O. B.; Kopf, B.; Kornicer, M.; Kuehn, W.; Kupsc, A.; Lange, J. S.; Lara, M.; Larin, P.; Bertani, M.; Leng, C.; Li, C.; Li, C. H.; Li, Cheng; Li, D. M.; Li, F.; Li, G.; Li, H. B.; Li, J. C.; Li, Jin; Bettoni, D.; Li, K.; Li, K.; Li, Lei; Li, P. R.; Li, T.; Li, W. D.; Li, W. G.; Li, X. L.; Li, X. M.; Li, X. N.; Bian, J. M.; Li, X. Q.; Li, Z. B.; Liang, H.; Liang, Y. F.; Liang, Y. T.; Liao, G. R.; Lin, D. X.; Liu, B. J.; Liu, C. X.; Liu, F. H.; Bianchi, F.; Liu, Fang; Liu, Feng; Liu, H. B.; Liu, H. H.; Liu, H. H.; Liu, H. M.; Liu, J.; Liu, J. B.; Liu, J. P.; Liu, J. Y.; Boger, E.; Liu, K.; Liu, K. Y.; Liu, L. D.; Liu, P. L.; Liu, Q.; Liu, S. B.; Liu, X.; Liu, X. X.; Liu, Y. B.; Liu, Z. A.; Boyko, I.; Liu, Zhiqiang; Liu, Zhiqing; Loehner, H.; Lou, X. C.; Lu, H. J.; Lu, J. G.; Lu, R. Q.; Lu, Y.; Lu, Y. P.; Luo, C. L.; Ai, X. C.; Briere, R. A.; Luo, M. X.; Luo, T.; Luo, X. L.; Lv, M.; Lyu, X. R.; Ma, F. C.; Ma, H. L.; Ma, L. L.; Ma, Q. M.; Ma, T.; Cai, H.; Ma, X. N.; Ma, X. Y.; Maas, F. E.; Maggiora, M.; Mao, Y. J.; Mao, Z. P.; Marcello, S.; Messchendorp, J. G.; Min, J.; Min, T. J.; Cai, X.; Mitchell, R. E.; Mo, X. H.; Mo, Y. J.; Morales, C. Morales; Moriya, K.; Muchnoi, N. Yu.; Muramatsu, H.; Nefedov, Y.; Nerling, F.; Nikolaev, I. B.; Cakir, O.; Ning, Z.; Nisar, S.; Niu, S. L.; Niu, X. Y.; Olsen, S. L.; Ouyang, Q.; Pacetti, S.; Patteri, P.; Pelizaeus, M.; Peng, H. P.; Calcaterra, A.; Peters, K.; Pettersson, J.; Ping, J. L.; Ping, R. G.; Poling, R.; Prasad, V.; Pu, Y. N.; Qi, M.; Qian, S.; Qiao, C. F.; Cao, G. F.; Qin, L. Q.; Qin, N.; Qin, X. S.; Qin, Y.; Qin, Z. H.; Qiu, J. F.; Rashid, K. H.; Redmer, C. F.; Ren, H. L.; Ripka, M.; Cetin, S. A.; Rong, G.; Rosner, Ch.; Ruan, X. D.; Santoro, V.; Sarantsev, A.; Savrié, M.; Schoenning, K.; Schumann, S.; Shan, W.; Shao, M.; Chang, J. F.; Shen, C. P.; Shen, P. X.; Shen, X. Y.; Sheng, H. Y.; Song, W. M.; Song, X. Y.; Sosio, S.; Spataro, S.; Sun, G. X.;

doi: 10.1016/j.physletb.2017.09.067 , 10.15120/gsi-2018-00052 , 10.48550/arxiv.1705.04265

arXiv: 1705.04265

handle: 11370/577448d5-6478-45e1-924b-5c87c48daa4c , 11392/2378182 , 2318/1663880 , 11579/101709 , 20.500.12575/69799

Dark photon search in the mass range between 1.5 and 3.4 GeV/c2

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Abstract

Using a data set of 2.93 fb$^{-1}$ taken at a center-of-mass energy $\sqrt{s}$ = 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 $e^+e^-\rightarrow e^+e^-\gamma_{\rm ISR}$ and $e^+e^-\rightarrow \mu^+\mu^-\gamma_{\rm ISR}$ 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.

Physics letters / B 774, 252 - 257 (2017). doi:10.1016/j.physletb.2017.09.067

Published by North-Holland Publ., Amsterdam

Related Organizations

University of Rochester
United States
University of Science and Technology of China
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University of Chinese Academy of Sciences
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Keywords

Nuclear and High Energy Physics, BESIII; Dark photon search; Initial state radiation; Nuclear and High Energy Physics, BESIII, детектор, QC1-999, FOS: Physical sciences, LIMIT, 530, DECAYS, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), Dark photon search, E(+)E(-), KLOE EXPERIMENT, Dark photon search; Initial state radiation; BESIII, ELECTRON-BEAM-DUMP, info:eu-repo/classification/ddc/530, VECTOR BOSON, FLAVOR FACTORIES, Physics, темные фотоны, PI(0), BESIII, BEPCII, коллайдер, U-GAMMA, Initial state radiation, CROSS-SECTION

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Dark Photon Search In The Mass Range Between 1.5 And 3.4 Gev/ C 2
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