Measurement of the energy dependence of the e+e− → $$ B\overline{B} $$, $$ B{\overline{B}}^{\ast } $$ and $$ {B}^{\ast }{\overline{B}}^{\ast } $$ exclusive cross sections

Mizuk, R.; Bondar, A.; Adachi, I.; Aihara, H.; Said, S. Al; Asner, D. M.; Atmacan, H.; Aulchenko, V.; Aushev, T.; Ayad, R.; Babu, V.; Bahinipati, S.; Behera, P. K.; Belous, K.; Bennett, J. V.; Bessner, M.; Bilka, T.; Biswal, Jyoti Prakash; Bobrov, A.; Bożek, A.; Bračko, M.; Browder, T. E.; Campajola, M.; Červenkov, D.; Chang, M. C.; 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.; Nardo, G. De; Dhamija, R.; Capua, F. Di; Dingfelder, J.; Doležal, Z.; Eidelman, S.; Epifanov, D.; Ferber, T.; Fulsom, B. G.; Garg, R.; Gaur, V.; Garmash, A.; Goldenzweig, P.; Golob, B.; Hadjivasiliou, C.; Hayasaka, K.; Hayashii, H.; Hedges, M. T.; Hou, W.-S.; Hsu, C.-L.; Huang, Kuan-Hao; Iijima, T.; Ishikawa, A.; Itoh, R.; Iwasaki, M.; Iwasaki, M.; Jacobs, W. W.; Jang, E.-J.; Jia, S.; Jin, Y.; Karyan, G.; Kawasaki, T.; Kichimi, H.; Kiesling, C.; Kim, C. H.; Kim, D. Y.; Kim, Sung Hyun; Kim, Y.-K.; Kinoshita, K.; Kodyš, P.; Konno, T.; Korobov, A.; Korpar, S.; Kovalenko, E.; Križan, P.; Kroeger, R.; Krokovny, P.; Kuhr, T.; Kumara, K.; Kuzmin, A.; Kwon, Y. J.; Lee, S. C.; Lewis, P.; Li, J.; Li, Y. B.; Gioi, L. Li; Libby, J.; Lieret, K.; Liventsev, D.; Masuda, M.; Matsuda, T.; Matvienko, D.; Merola, M.; Metzner, F.; Miyabayashi, K.; Mohanty, G. B.; Mrvar, M.; Mussa, R.; Nakao, M.; Natochii, A.; Nayak, L.; Nayak, M.; Niiyama, M.; Nisar, N. K.; Nishida, S.; Nishimura, K.; Ogawa, S.; Ono, H.; Onuki, Y.; Oskin, P.; Pakhlov, P.; Pakhlova, G.; Pang, T.; Pardi, S.; Park, H.; Park, S.-H.; Patra, S.; Paul, S.; Pedlar, T. K.; Pestotnik, R.; Piilonen, L. E.; Podobnik, T.; Popov, V.; Prencipe, E.; Prim, M. T.; Röhrken, M.; Rostomyan, A.; Rout, N.; Russo, G.; Sahoo, Deepak Kumar; Sakai, Y.; Sandilya, S.; Sangal, A.; Šantelj, L.; Sanuki, T.; Savinov, V.; Schnell, G.; Schueler, J.; Schwanda, C.; Senyo, K.; Sharma, C.; Shen, C. P.; Shiu, J. G.; Shwartz, B.; Sokolov, A.; Solovieva, E.; Stanič, S.; Starič, M.; Stottler, Z. S.; Sumiyoshi, T.; Takizawa, M.; Tamponi, U.; Tanida, K.; Tenchini, F.; Trabelsi, K.; Uchida, M.; Uehara, S.; Uglov, T.; Unno, Y.; Uno, K.; Uno, S.; Usov, Y.; Tonder, R. Van; Varner, G.; Waheed, E.; Wang, C. H.; Wang, M.-Z.; Wang, P.; Watanabe, M.; Watanuki, S.; Won, E.; Xu, X. P.; Yabsley, B.; Yan, W. B.; Yang, S. B.; Ye, H.; Yin, J. H.; Yuan, C. Z.; Zhang, Z. P.; Zhilich, V.; Zhukova, V.

doi:10.1007/jhep06(2021)137

Cited by 10 publications

(6 citation statements)

References 26 publications

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“…Belle result [26], allowing to improve the fit to the experimental data. These results are of great importance in understanding the nature of the new Y(10753) state and, more generally, of the bottomonium(-like) states above the open flavor threshold.…”

Section: Discussionmentioning

confidence: 99%

“…Spectroscopy at Belle II which currently are not well understood [23]. The analysis follows the analogous measurement performed at Belle [26].…”

Section: Pos(wifai2023)032mentioning

confidence: 99%

“…The fit function for the signal and peaking background components is constructed in the same way as in ref. [26]. We measure the dressed cross section, which accounts for the vacuum polarization.…”

Section: Pos(wifai2023)032mentioning

confidence: 99%

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Spectroscopy at Belle II

Boschetti

2024

Proceedings of Workshop Italiano Sulla Fisica ad Alta Intensità — PoS(WIFAI2023)

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The Belle II experiment offers unique possibilities for discovering and interpreting exotic multiquark bound states to probe the fundamentals of QCD. We present recent results obtained on a unique data set collected at energies above the Υ(4𝑆), including searches for the hidden bottom transition between Y(10750) and 𝜒 𝑏𝐽 (1𝑃) and the measurement of the energy dependence of the 𝑒 + 𝑒 − → 𝑏𝑏 cross section.

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Section: Discussionmentioning

confidence: 99%

“…Spectroscopy at Belle II which currently are not well understood [23]. The analysis follows the analogous measurement performed at Belle [26].…”

Section: Pos(wifai2023)032mentioning

confidence: 99%

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Spectroscopy at Belle II

Boschetti

2024

Proceedings of Workshop Italiano Sulla Fisica ad Alta Intensità — PoS(WIFAI2023)

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“…This topic is of special interest since all the states above threshold exhibit anomalies, especially in transitions to lower bottomonia, which currently are not well understood [21]. The analysis follows the analogous measurement performed at Belle [22].…”

Section: Pos(fpcp2023)087mentioning

confidence: 99%

Recent quarkonium results at Belle II

Boschetti

2023

Proceedings of 21st Conference on Flavor Physics and CP Violation — PoS(FPCP2023)

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Belle II offers unique possibilities for discovering and interpreting exotic multiquark bound states to probe the fundamentals of QCD. We present recent results obtained on a unique data set collected at energies above the Υ(4𝑆), including searches for the hidden bottom transition between 𝑌 (10750) and 𝜒 𝑏𝐽 (1𝑃) and the measurement of the energy dependence of the 𝑒 + 𝑒 − → 𝑏𝑏 cross section.

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“…Using the above-mentioned data samples, 𝑒 + 𝑒 − → 𝐵 B, 𝐵 B* , and 𝐵 * B* signals at √ 𝑠 = 10.653, 10.701, 10.745, and 10.805 GeV were observed. [85] By combining the Belle results at √ 𝑠 from 10.63 to 11.02 GeV [86] and Belle II results at the above-mentioned four energy points, [85] the energy dependences of cross sections for 𝑒 + 𝑒 − → 𝐵 B, 𝐵 B* , and 𝐵 * B* were obtained. A new and unexpected observation is that the 𝑒 + 𝑒 − → 𝐵 * B* cross section increases rapidly just above the threshold, which can be explained by presence of a resonance or a bound state of 𝐵 * B* near the 𝐵 * B* threshold.…”

Section: -4mentioning

confidence: 99%

Status and Prospects of Exotic Hadrons at Belle II

Jia 贾,

Xiong 熊,

Shen 沈

2023

Chinese Phys. Lett.

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In the past twenty years, many new hadrons that are difficult to be explained within the conventional quark model have been discovered in the quarkonium region, which are called exotic hadrons. Belle II experiment, as the next-generation B factory, provides a good platform to explore them. The charmonium-like states can be produced at Belle II in several ways, such as B meson decays, initial-state radiation processes, two-photon collisions, and double charmonium productions. The bottomonium-like states can be produced directly in e + e - colliding energies at Belle II with low continuum backgrounds. Belle II plans to perform a high-statistics energy scan from the BB threshold up to the highest possible energy of 11.24 GeV to search for new Yb states with JPC = 1--, Xb (the bottom counterpart of χ c1(3872) (also known as X(3872))), and partners of Zb states. In this paper, we give a mini-review on the status and prospects of exotic hadrons at Belle II.

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Measurement of the energy dependence of the e+e− → $$ B\overline{B} $$, $$ B{\overline{B}}^{\ast } $$ and $$ {B}^{\ast }{\overline{B}}^{\ast } $$ exclusive cross sections

Abstract: We report the first measurement of the exclusive cross sections e+e− → $$ B\overline{B} $$ B B ¯ , e+e− → $$ B{\overline{B}}^{\ast } $$ B B ¯ ∗ , and e+e− → $$ {B}^{\ast }{\overline{B}}^{\ast } $$ … Show more

Cited by 10 publications

References 26 publications

Spectroscopy at Belle II

Spectroscopy at Belle II

Recent quarkonium results at Belle II

Status and Prospects of Exotic Hadrons at Belle II

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