Study of $e^+e^- \rightarrow \Upsilon(1S,2S)\eta$ and $e^+e^-\rightarrow \Upsilon(1S)\eta^{\prime}$ at $\sqrt{s}=10.866$ GeV with the Belle detector

+Upsilon%2810020%29+eta%22&type=SU">electron positron --> Upsilon(10020) eta, electron positron --> Upsilon(9460) eta(958), channel cross section: measured, electron positron --> Upsilon(9460) eta, experimental results -->
Popis: International audience; We report the first observation of the processes e+e-→ϒ(1S,2S)η at s=10.866 GeV, with significance exceeding 10σ for both processes. The measured Born cross sections are σ(e+e-→ϒ(2S)η)=2.07±0.21±0.19 pb, and σ(e+e-→ϒ(1S)η)=0.42±0.08±0.04 pb. We also set the upper limit on the cross section of the process e+e-→ϒ(1S)η′ to be σ(e+e-→ϒ(1S)η′)<0.037 pb at 90% C.L. The results are obtained with the data sample collected with the Belle detector at the KEKB asymmetric-energy e+e- collider in the energy range from 10.63 to 11.02 GeV.
Jazyk: English
DOI: 10.1103/PhysRevD.104.112006⟩
Přístupová URL adresa: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::1810f07d23e75a82262dc22942dac0e5
https://hal.archives-ouvertes.fr/hal-03486059
Přírůstkové číslo: edsair.dedup.wf.001..1810f07d23e75a82262dc22942dac0e5
Autor: Kovalenko, E., Garmash, A., Krokovny, P., Adachi, I., Aihara, H., Asner, D.M., Aulchenko, V., Aushev, T., Ayad, R., Babu, V., Bahinipati, S., Behera, P., Bennett, J., Bessner, M., Bilka, T., Biswal, J., Bobrov, A., Bondar, A., Bonvicini, G., Bozek, A., Bračko, M., Browder, T.E., Campajola, M., Cao, L., Červenkov, D., Chang, M.-C., 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., De Nardo, G., Di Capua, F., Doležal, Z., Dong, T.V., Eidelman, S., Epifanov, D., Ferber, T., Frey, A., Fulsom, B.G., Garg, R., Gaur, V., Gabyshev, N., Giri, A., Goldenzweig, P., Greenwald, D., Gudkova, K., Hadjivasiliou, C., Hara, T., Hayasaka, K., Hou, W.-S., Hsu, C.-L., Iijima, T., Inami, K., Ishikawa, A., Itoh, R., Iwasaki, M., Jacobs, W.W., Jin, Y., Joo, K.K., Karyan, G., Kichimi, H., Kiesling, C., Kim, C.H., Kim, D.Y., Kim, K.-H., Kim, S.H., Kim, Y.-K., Kinoshita, K., Kodyš, P., Konno, T., Korobov, A., Korpar, S., Križan, P., Kroeger, R., Kuhr, T., Kumar, M., Kumar, R., Kumara, K., Kuzmin, A., Kwon, Y.-J., Lalwani, K., Lange, J.S., Lee, S.C., Li, Y.B., Gioi, L. Li, Libby, J., Lieret, K., Liventsev, D., MacQueen, C., Masuda, M., Matsuda, T., Matvienko, D., Merola, M., Metzner, F., Miyabayashi, K., Mizuk, R., Mohanty, G.B., Nakao, M., Natochii, A., Nayak, L., Niiyama, M., Nisar, N.K., Nishida, S., Ogawa, K., Ogawa, S., Ono, H., Oskin, P., Pakhlov, P., Pakhlova, G., Pardi, S., Park, H., Park, S.-H., Patra, S., Paul, S., Pedlar, T.K., Pestotnik, R., Piilonen, L.E., Podobnik, T., Prencipe, E., Prim, M.T., Rabusov, A., Röhrken, M., Rostomyan, A., Rout, N., Russo, G., Sahoo, D., Sakai, Y., Sandilya, S., Sangal, A., Sanuki, T., Savinov, V., Schnell, G., Schwanda, C., Seino, Y., Senyo, K., Sevior, M.E., Sharma, C., Shiu, J.-G., Shwartz, B., Sokolov, A., Solovieva, E., Starič, M., Stottler, Z.S., Sumihama, M., Sumiyoshi, T., Sutcliffe, W., Takizawa, M., Tamponi, U., Tanida, K., Tenchini, F., Trabelsi, K., Uchida, M., Uglov, T., Unno, Y., Uno, K., Uno, S., Urquijo, P., Usov, Y., Van Tonder, R., Varner, G., Vinokurova, A., Waheed, E., Wang, C.H., Wang, M.-Z., Wang, P., Watanabe, M., Werbycka, O., Won, E., Yan, W., Yang, S.B., Ye, H., Yin, J.H., Yusa, Y., Zhang, Z.P., Zhilich, V., Zhukova, V.
Přispěvatelé: Laboratoire de Physique des 2 Infinis Irène Joliot-Curie (IJCLab), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Belle
Jazyk: angličtina
Rok vydání: 2021
Předmět:
Zdroj: Phys.Rev.D
Phys.Rev.D, 2021, 104 (11), pp.112006. ⟨10.1103/PhysRevD.104.112006⟩
DOI: 10.1103/PhysRevD.104.112006⟩
Popis: International audience; We report the first observation of the processes e+e-→ϒ(1S,2S)η at s=10.866 GeV, with significance exceeding 10σ for both processes. The measured Born cross sections are σ(e+e-→ϒ(2S)η)=2.07±0.21±0.19 pb, and σ(e+e-→ϒ(1S)η)=0.42±0.08±0.04 pb. We also set the upper limit on the cross section of the process e+e-→ϒ(1S)η′ to be σ(e+e-→ϒ(1S)η′)<0.037 pb at 90% C.L. The results are obtained with the data sample collected with the Belle detector at the KEKB asymmetric-energy e+e- collider in the energy range from 10.63 to 11.02 GeV.
Databáze: OpenAIRE
Externí odkaz: