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Search for the Dark Photon and the Dark Higgs Boson at Belle

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posted on 2024-08-06, 09:47 authored by I. Jaegle, I. Adachi, H. Aihara, S. Al Said, D. M. Asner, T. Aushev, R. Ayad, A. M. Bakich, V. Bansal, M. Barrett, B. Bhuyan, A. Bozek, M. Bračko, T. E. Browder, D. Červenkov, M.-C. Chang, B. G. Cheon, K. Chilikin, K. Cho, V. Chobanova, S.-K. Choi, Y. Choi, D. Cinabro, J. Dalseno, Z. Doležal, Z. Drásal, A. Drutskoy, D. Dutta, S. Eidelman, D. Epifanov, H. Farhat, J. E. Fast, T. Ferber, O. Frost, V. Gaur, N. Gabyshev, S. Ganguly, A. Garmash, D. Getzkow, R. Gillard, Y. M. Goh, B. Golob, O. Grzymkowska, K. Hayasaka, H. Hayashii, X. H. He, M. Hedges, W.-S. Hou, T. Iijima, K. Inami, A. Ishikawa, Y. Iwasaki, T'Mir Julius, K. H. Kang, E. Kato, T. Kawasaki, D. Y. Kim, J. B. Kim, J. H. Kim, S. H. Kim, K. Kinoshita, B. R. Ko, P. Kodyš, S. Korpar, P. Križan, P. Krokovny, A. Kuzmin, Y.-J. Kwon, J. S. Lange, I. S. Lee, P. Lewis, L. Li Gioi, J. Libby, D. Liventsev, D. Matvienko, H. Miyata, R. Mizuk, G. B. Mohanty, A. Moll, R. Mussa, E. Nakano, M. Nakao, N. K. Nisar, S. Nishida, S. Ogawa, P. Pakhlov, G. Pakhlova, H. Park, T. K. Pedlar, L. Pesántez, M. Petrič, L. E. Piilonen, M. Ritter, A. Rostomyan, Y. Sakai, S. Sandilya, L. Santelj, T. Sanuki, Y. Sato, V. Savinov, O. Schneider, G. Schnell, C. Schwanda, D. Semmler, K. Senyo, O. Seon, I. Seong, M. E. Sevior, V. Shebalin, T.-A. Shibata, J.-G. Shiu, B. Shwartz, F. Simon, R. Sinha, Y.-S. Sohn, M. Starič, M. Sumihama, K. Sumisawa, U. Tamponi, G. Tatishvili, Y. Teramoto, F. Thorne, M. Uchida, S. Uehara, Y. Unno, S. Uno, S. E. Vahsen, C. Van Hulse, P. Vanhoefer, G. Varner, A. Vinokurova, M. N. Wagner, C. H. Wang, M.-Z. Wang, P. Wang, X. L. Wang, M. Watanabe, Y. Watanabe, K. M. Williams, E. Won, J. Yamaoka, S. Yashchenko, Y. Yook, Y. Yusa, V. Zhilich, V. Zhulanov, A. Zupanc
The dark photon A′ and the dark Higgs boson h′ are hypothetical constituents featured in a number of recently proposed dark sector models. Assuming prompt decays of both dark particles, we search for their production in the so-called Higgstrahlung channel e+e-→A′h′, with h′→A′A′. We investigate ten exclusive final states with A′→e+e-, μ+μ-, or π+π- in the mass ranges 0.1GeV/c2

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ISSN

0031-9007

Journal title

Physical Review Letters

Volume

114

Issue

21

Article number

article no. 211801

Pagination

7 pp

Publisher

American Physical Society

Copyright statement

Copyright © 2015 American Physical Society. The published version is reproduced in accordance with the copyright policy of the publisher.

Language

eng

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