Search for a light Higgs boson in single-photon decays of $Υ(1S)$ using $Υ(2S) \to π^+ π^- Υ(1S)$ tagging method

Jia, S.; Shen, C. P.; Adachi, I.; Aihara, H.; Said, S. Al; Asner, D. M.; Atmacan, H.; Aushev, T.; Ayad, R.; Babu, V.; Behera, P.; Belous, K.; Bennett, J.; Bessner, M.; Bhardwaj, V.; Bhuyan, B.; Bilka, T.; Bobrov, A.; Bodrov, D.; Bonvicini, G.; Borah, J.; Bračko, M.; Branchini, P.; Browder, T. E.; Budano, A.; Campajola, M.; Červenkov, D.; Chang, M. -C.; Chang, P.; Chekelian, V.; Chen, A.; Cheon, B. G.; Chilikin, K.; Cho, H. E.; Cho, K.; Cho, S. -J.; Choi, S. -K.; Choi, Y.; Choudhury, S.; Cinabro, D.; Cunliffe, S.; Das, S.; Dash, N.; De Nardo, G.; De Pietro, G.; Dhamija, R.; Di Capua, F.; Doležal, Z.; Dong, T. V.; Epifanov, D.; Ferber, T.; Ferlewicz, D.; Fulsom, B. G.; Garg, R.; Gaur, V.; Gabyshev, N.; Giri, A.; Goldenzweig, P.; Golob, B.; Graziani, E.; Guan, Y.; Gudkova, K.; Hadjivasiliou, C.; Hara, T.; Hayasaka, K.; Hayashii, H.; Hedges, M. T.; Hou, W. -S.; Inami, K.; Inguglia, G.; Ishikawa, A.; Itoh, R.; Iwasaki, M.; Iwasaki, Y.; Jacobs, W. W.; Jang, E. -J.; Jin, Y.; Joo, K. K.; Kahn, J.; Kaliyar, A. B.; Kang, K. H.; Kawasaki, T.; Kiesling, C.; Kim, C. H.; Kim, D. Y.; Kim, K. -H.; Kim, Y. -K.; Kinoshita, K.; Kodyš, P.; Kohani, S.; Konno, T.; Korobov, A.; Korpar, S.; Kovalenko, E.; Križan, P.; Kroeger, R.; Krokovny, P.; Kumar, M.; Kumar, R.; Kumara, K.; Kwon, Y. -J.; Lam, T.; Laurenza, M.; Lee, S. C.; Li, J.; Li, L. K.; Li, Y.; Li, Y. B.; Gioi, L. Li; Libby, J.; Lieret, K.; Liventsev, D.; Martini, A.; Masuda, M.; Matsuda, T.; Matvienko, D.; Maurya, S. K.; Meier, F.; Merola, M.; Metzner, F.; Miyabayashi, K.; Mizuk, R.; Mohanty, G. B.; Nakao, M.; Narwal, D.; Natkaniec, Z.; Natochii, A.; Nayak, L.; Nisar, N. K.; Nishida, S.; Nishimura, K.; Ogawa, K.; Ogawa, S.; Ono, H.; Oskin, P.; Pakhlov, P.; Pakhlova, G.; Pang, T.; Pardi, S.; Park, S. -H.; Patra, S.; Paul, S.; Pedlar, T. K.; Pestotnik, R.; Piilonen, L. E.; Podobnik, T.; Prencipe, E.; Prim, M. T.; Röhrken, M.; Rostomyan, A.; Rout, N.; Russo, G.; Sahoo, D.; Sandilya, S.; Sangal, A.; Santelj, L.; Sanuki, T.; Savinov, V.; Schnell, G.; Schueler, J.; Schwanda, C.; Seino, Y.; Senyo, K.; Sevior, M. E.; Shapkin, M.; Sharma, C.; Shebalin, V.; Shiu, J. -G.; Shwartz, B.; Singh, J. B.; Sokolov, A.; Solovieva, E.; Stanič, S.; Starič, M.; Stottler, Z. S.; Sumihama, M.; Sumisawa, K.; Sumiyoshi, T.; Sutcliffe, W.; Takizawa, M.; Tamponi, U.; Tanida, K.; Tenchini, F.; Trabelsi, K.; Uchida, M.; Uehara, S.; Uglov, T.; Unno, Y.; Uno, K.; Uno, S.; Urquijo, P.; Vahsen, S. E.; Van Tonder, R.; Varner, G.; Vinokurova, A.; Waheed, E.; Wang, D.; Wang, E.; Wang, M. -Z.; Watanuki, S.; Won, E.; Yabsley, B. D.; Yan, W.; Yang, S. B.; Ye, H.; Yelton, J.; Yin, J. H.; Yusa, Y.; Zhai, Y.; Zhang, Z. P.; Zhilich, V.; Zhukova, V.

doi:10.48550/arxiv.2112.11852

Cited by 1 publication

(2 citation statements)

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“…(2.10) is met. Since many searches for light scalars rely on Higgs-like decays that are suppressed by s h [21,[23][24][25][26], having BR (S → Z D Z D ) 1 will deeply impact such searches. For the following analysis of KOTO, LHCb and Belle II, we will assume the condition given in eq.…”

Section: Limits From Hadronic Decaysmentioning

confidence: 99%

“…The lower panel shows the same projection, but for a fixed dark photon mass of m Z D = 0.28 GeV and varying kinetic mixing parameter values according to the labels. In both figures, the vetoed regions represent the meson resonances that we have considered as irreducible backgrounds and the gray bounds are similar to the ones of figure 4 with the addition of the limits from Belle [26] and LEP [61]. relaxed if one used the distribution of the reconstructed mass of the pair of leptons with the same flavor, to discriminate between signal and background.…”

Section: Jhep12(2022)063mentioning

confidence: 99%

See 1 more Smart Citation

(In)Visible signatures of the minimal dark abelian gauge sector

Foguel

Salla

Funchal

2022

J. High Energ. Phys.

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In this paper we study the present and future sensitivities of the rare meson decay facilities KOTO, LHCb and Belle II to a light dark sector of the minimal dark abelian gauge symmetry where a dark Higgs S and a dark photon ZD have masses ≲ 10 GeV. We have explored the interesting scenario where S can only decay to a pair of ZD’s and so contribute to visible or invisible signatures, depending on the life-time of the latter. Our computations show that these accelerator experiments can access the dark Higgs (mass and scalar mixing) and the dark photon (mass and kinetic mixing) parameters in a complementary way. We have also discussed how the CMS measurement of the SM Higgs total decay width and their limit on the Higgs invisible branching ratio can be used to extend the experimental reach to dark photon masses up to ~ 10 GeV, providing at the same time sensitivity to the gauge coupling associated with the broken dark abelian symmetry.

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