Search for a Light CP-odd Higgs Boson and Low-Mass Dark Matter at the Belle Experiment.
Publication
, Journal Article
Seong, IS; Vahsen, SE; Adachi, I; Aihara, H; Al Said, S; Asner, DM; Aulchenko, V; Aushev, T; Ayad, R; Babu, V; Bakich, AM; Bansal, V; Cao, L ...
Published in: Physical review letters
January 2019
We report on the first Belle search for a light CP-odd Higgs boson, A^{0}, that decays into low mass dark matter, χ, in final states with a single photon and missing energy. We search for events produced via the dipion transition ϒ(2S)→ϒ(1S)π^{+}π^{-}, followed by the on-shell process ϒ(1S)→γA^{0} with A^{0}→χχ, or by the off-shell process ϒ(1S)→γχχ. Utilizing a data sample of 157.3×10^{6} ϒ(2S) decays, we find no evidence for a signal. We set limits on the branching fractions of such processes in the mass ranges M_{A^{0}}<8.97 GeV/c^{2} and M_{χ}<4.44 GeV/c^{2}. We then use the limits on the off-shell process to set competitive limits on WIMP-nucleon scattering in the WIMP mass range below 5 GeV/c^{2}.
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Published In
Physical review letters
DOI
EISSN
1079-7114
ISSN
0031-9007
Publication Date
January 2019
Volume
122
Issue
1
Start / End Page
011801
Related Subject Headings
- General Physics
- 51 Physical sciences
- 49 Mathematical sciences
- 40 Engineering
- 09 Engineering
- 02 Physical Sciences
- 01 Mathematical Sciences
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Seong, I. S., Vahsen, S. E., Adachi, I., Aihara, H., Al Said, S., Asner, D. M., … Belle Collaboration, . (2019). Search for a Light CP-odd Higgs Boson and Low-Mass Dark Matter at the Belle Experiment. Physical Review Letters, 122(1), 011801. https://doi.org/10.1103/physrevlett.122.011801
Seong, I. S., S. E. Vahsen, I. Adachi, H. Aihara, S. Al Said, D. M. Asner, V. Aulchenko, et al. “Search for a Light CP-odd Higgs Boson and Low-Mass Dark Matter at the Belle Experiment.” Physical Review Letters 122, no. 1 (January 2019): 011801. https://doi.org/10.1103/physrevlett.122.011801.
Seong IS, Vahsen SE, Adachi I, Aihara H, Al Said S, Asner DM, et al. Search for a Light CP-odd Higgs Boson and Low-Mass Dark Matter at the Belle Experiment. Physical review letters. 2019 Jan;122(1):011801.
Seong, I. S., et al. “Search for a Light CP-odd Higgs Boson and Low-Mass Dark Matter at the Belle Experiment.” Physical Review Letters, vol. 122, no. 1, Jan. 2019, p. 011801. Epmc, doi:10.1103/physrevlett.122.011801.
Seong IS, Vahsen SE, Adachi I, Aihara H, Al Said S, Asner DM, Aulchenko V, Aushev T, Ayad R, Babu V, Bakich AM, Bansal V, Behera P, Bhardwaj V, Bhuyan B, Bilka T, Biswal J, Bobrov A, Bonvicini G, Bozek A, Bračko M, Browder TE, Cao L, Červenkov D, Chang P, Chekelian V, Chen A, Cheon BG, Chilikin K, Cho K, Choi Y, Choudhury S, Cinabro D, Cunliffe S, Dash N, Di Carlo S, Dingfelder J, Dong TV, Eidelman S, Epifanov D, Fast JE, Frey A, Fulsom BG, Garg R, Gaur V, Gabyshev N, Garmash A, Gelb M, Giri A, Goldenzweig P, Golob B, Guido E, Haba J, Hayasaka K, Hayashii H, Hedges MT, Higuchi T, Hou W-S, Hsu C-L, Huang K, Iijima T, Inami K, Inguglia G, Ishikawa A, Itoh R, Iwasaki M, Iwasaki Y, Jacobs WW, Jeon HB, Jia S, Jin Y, Joffe D, Joo KK, Julius T, Kaliyar AB, Karyan G, Kawasaki T, Kichimi H, Kiesling C, Kim DY, Kim JB, Kim KT, Kim SH, Kinoshita K, Kodyš P, Korpar S, Kotchetkov D, Križan P, Kroeger R, Krokovny P, Kuhr T, Kumita T, Kuzmin A, Kwon Y-J, Lange JS, Lee IS, Lee SC, Li LK, Li YB, Li Gioi L, Libby J, Liventsev D, Lubej M, Luo T, MacQueen C, Masuda M, Matsuda T, Merola M, Miyabayashi K, Miyata H, Mizuk R, Mohanty GB, Mori T, Mussa R, Nakano E, Nakao M, Nanut T, Nath KJ, Nayak M, Niiyama M, Nisar NK, Nishida S, Nishimura K, Ogawa S, Ono H, Ostrowicz W, Pakhlov P, Pakhlova G, Pal B, Park H, Pedlar TK, Pestotnik R, Piilonen LE, Prencipe E, Ritter M, Rostomyan A, Russo G, Sakai Y, Salehi M, Sandilya S, Santelj L, Sanuki T, Savinov V, Schneider O, Schnell G, Schueler J, Schwanda C, Seino Y, Senyo K, Seon O, Sevior ME, Shen CP, Shibata T-A, Shiu J-G, Simon F, Solovieva E, Stanič S, Starič M, Sumihama M, Sumiyoshi T, Sutcliffe W, Takizawa M, Tanida K, Tenchini F, Trabelsi K, Uchida M, Uglov T, Unno Y, Uno S, Usov Y, Van Hulse C, Van Tonder R, Varner G, Vinokurova A, Vossen A, Wang B, Wang CH, Wang P, Watanabe M, Watanuki S, Widmann E, Won E, Yamamoto H, Ye H, Yelton J, Yuan CZ, Yusa Y, Zakharov S, Zhang ZP, Zhilich V, Zhukova V, Zhulanov V, Zupanc A, Belle Collaboration. Search for a Light CP-odd Higgs Boson and Low-Mass Dark Matter at the Belle Experiment. Physical review letters. 2019 Jan;122(1):011801.
Published In
Physical review letters
DOI
EISSN
1079-7114
ISSN
0031-9007
Publication Date
January 2019
Volume
122
Issue
1
Start / End Page
011801
Related Subject Headings
- General Physics
- 51 Physical sciences
- 49 Mathematical sciences
- 40 Engineering
- 09 Engineering
- 02 Physical Sciences
- 01 Mathematical Sciences