Measurement of the e+e- → $ {B}_s^0{\overline{B}}_s^0X $ cross section in the energy range from 10.63 to 11.02 GeV using inclusive $ {D}_s^{+} $ and D0 production

Zhukova, V.; Mizuk, R.; Adachi, I.; Aihara, H.; Al Said, S.; Asner, D. M.; Atmacan, H.; Aulchenko, V.; Aushev, T.; Ayad, R.; Babu, V.; Banerjee, Sw; Bauer, M.; Behera, P.; Belous, K.; Bennett, J.; Bernlochner, F.; Bessner, M.; Bilka, T.; Biswas, D.; Bobrov, A.; Bodrov, D.; Bondar, A.; Borah, J.; Bozek, A.; Bračko, M.; Branchini, P.; Browder, T. E.; Campajola, M.; Cao, L.; Červenkov, D.; Chang, M. -C.; Cheon, B. G.; Chilikin, K.; Cho, H. E.; Cho, K.; Choi, S. -K.; Choi, Y.; Choudhury, S.; Cinabro, D.; Das, S.; De Nardo, G.; De Pietro, G.; Dhamija, R.; Di Capua, F.; Dong, T. V.; Dubey, S.; Ecker, P.; Epifanov, D.; Ferber, T.; Ferlewicz, D.; Fulsom, B. G.; Gaur, V.; Garmash, A.; Giri, A.; Goldenzweig, P.; Gu, T.; Gudkova, K.; Hadjivasiliou, C.; Hara, T.; Hayasaka, K.; Hazra, S.; Hedges, M. T.; Herrmann, D.; Hou, W. -S.; Hsu, C. -L.; Inami, K.; Ipsita, N.; Ishikawa, A.; Itoh, R.; Iwasaki, M.; Iwasaki, Y.; Jacobs, W. W.; Jang, E. -J.; Jia, S.; Jin, Y.; Joo, K. K.; Kaliyar, A. B.; Kawasaki, T.; Kiesling, C.; Kim, C. H.; Kim, D. Y.; Kim, K. -H.; Kim, Y. -K.; Kinoshita, K.; Kodyš, P.; Korobov, A.; Korpar, S.; Kovalenko, E.; Križan, P.; Krokovny, P.; Kumar, M.; Kumar, R.; Kuzmin, A.; Kwon, Y. -J.; Lai, Y. -T.; Lam, T.; Laurenza, M.; Lee, S. C.; Levit, D.; Li, L. K.; Libby, J.; Lieret, K.; Liventsev, D.; Ma, Y.; Masuda, M.; Matsuda, T.; Maurya, S. K.; Meier, F.; Merola, M.; Metzner, F.; Miyabayashi, K.; Mohanty, G. B.; Nakamura, I.; Nakano, T.; Nakao, M.; Natkaniec, Z.; Natochii, A.; Nayak, L.; Nisar, N. K.; Nishida, S.; Ogawa, K.; Ogawa, S.; Ono, H.; Oskin, P.; Pakhlov, P.; Pakhlova, G.; Pang, T.; Pardi, S.; Park, H.; Park, J.; Park, S. -H.; Passeri, A.; Patra, S.; Paul, S.; Pedlar, T. K.; Pestotnik, R.; Piilonen, L. E.; Podobnik, T.; Prencipe, E.; Prim, M. T.; Rout, N.; Russo, G.; Sahoo, D.; Sakai, Y.; Sandilya, S.; Santelj, L.; Savinov, V.; Schnell, G.; Schwanda, C.; Schwartz, A. J.; Seino, Y.; Senyo, K.; Shan, W.; Shapkin, M.; Sharma, C.; Shiu, J. -G.; Sokolov, A.; Solovieva, E.; Starič, M.; Stottler, Z. S.; Sumihama, M.; Sutcliffe, W.; Takizawa, M.; Tanida, K.; Tenchini, F.; Tiwary, R.; Trabelsi, K.; Uchida, M.; Unno, Y.; Uno, S.; Usov, Y.; Vahsen, S. E.; Varner, G.; Vinokurova, A.; Wang, D.; Wang, E.; Wang, M. -Z.; Wang, X. L.; Watanabe, M.; Watanuki, S.; Werbycka, O.; Won, E.; Yabsley, B. D.; Yan, W.; Yin, J. H.; Yuan, C. Z.; Yuan, L.; Zhang, Z. P.; Zhilich, V.

doi:10.1007/jhep08(2023)131

Measurement of the e⁺e^- → $$ {B}_s^0{\overline{B}}_s^0X $$ cross section in the energy range from 10.63 to 11.02 GeV using inclusive $$ {D}_s^{+} $$ and D⁰ production

Journal Article · Mon Aug 21 00:00:00 EDT 2023 · Journal of High Energy Physics (Online)

DOI:https://doi.org/10.1007/jhep08(2023)131· OSTI ID:2424165

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We report the first measurement of the inclusive e⁺e^- → $$b\bar{b}$$ → D$$^±_s$$ X and e⁺e^- → $$b\bar{b}$$ → D⁰ / $$\overline{D}^0$$ X cross sections in the energy range from 10.63 to 11.02 GeV. Based on these results, we determine σ(e⁺e^- → $${B}_s^0{\overline{B}}_s^0$$ X) and σ(e⁺e^- → $$B\overline{B}$$ X) in the same energy range. We measure the fraction of $${B}_s^0$$ events at Υ(10860) to be f_s = ($${22.0}_{-2.1}^{+2.0}$$)%. We determine also the ratio of the $${B}_s^0$$ inclusive branching fractions $$\mathcal{B}$$($${B}_s^0$$ → D⁰/ $$\overline{D}^0$$X)/$$\mathcal{B}$$($${B}_s^0$$ → $${D}_s^{\pm }$$X) = 0.416 ± 0.018 ± 0.092. The results are obtained using the data collected with the Belle detector at the KEKB asymmetric-energy e⁺e^- collider.

Research Organization:: Pacific Northwest National Laboratory (PNNL), Richland, WA (United States). Environmental Molecular Sciences Laboratory (EMSL)

Sponsoring Organization:: USDOE

Contributing Organization:: The Belle collaboration

Grant/Contract Number:: AC05-76RL01830

OSTI ID:: 2424165

Journal Information:: Journal of High Energy Physics (Online), Journal Name: Journal of High Energy Physics (Online) Journal Issue: 8 Vol. 2023; ISSN 1029-8479

Publisher:: Springer NatureCopyright Statement

Country of Publication:: United States

Language:: English

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Measurement of the e⁺e^- → $$ {B}_s^0{\overline{B}}_s^0X $$ cross section in the energy range from 10.63 to 11.02 GeV using inclusive $$ {D}_s^{+} $$ and D⁰ production