Observation of e+e–→π+π–π0χbJ and Search for Xb→ωY(1S) at s=10.867 GeV

He, X. H.; Shen, C. P.; Yuan, C. Z.; Ban, Y.; Abdesselam, A.; Adachi, I.; Aihara, H.; Asner, D. M.; Aulchenko, V.; Aushev, T.; Ayad, R.; Bahinipati, S.; Bakich, A. M.; Bansal, V.; Bhuyan, B.; Bondar, A.; Bonvicini, G.; Bozek, A.; Bračko, M.; Browder, T. E.; Červenkov, D.; Chang, P.; Chekelian, V.; Chen, A.; Cheon, B. G.; Chilikin, K.; Chistov, R.; Cho, K.; Chobanova, V.; Choi, S. -K.; Choi, Y.; Cinabro, D.; Dalseno, J.; Danilov, M.; Doležal, Z.; Drásal, Z.; Drutskoy, A.; Eidelman, S.; Farhat, H.; Fast, J. E.; Ferber, T.; Gaur, V.; Gabyshev, N.; Ganguly, S.; Garmash, A.; Gillard, R.; Glattauer, R.; Goh, Y. M.; Grzymkowska, O.; Haba, J.; Hayasaka, K.; Hayashii, H.; Hou, W. -S.; Iijima, T.; Ishikawa, A.; Itoh, R.; Iwasaki, Y.; Jaegle, I.; Joo, K. K.; Julius, T.; Kato, E.; Kawasaki, T.; Kim, D. Y.; Kim, M. J.; Kim, Y. J.; Kinoshita, K.; Ko, B. R.; Kodyš, P.; Korpar, S.; Križan, P.; Krokovny, P.; Kumita, T.; Kuzmin, A.; Kwon, Y. -J.; Lange, J. S.; Li, Y.; Libby, J.; Liventsev, D.; Matvienko, D.; Miyabayashi, K.; Miyata, H.; Mizuk, R.; Mohanty, G. B.; Moll, A.; Mussa, R.; Nakano, E.; Nakao, M.; Nakazawa, H.; Nanut, T.; Natkaniec, Z.; Nedelkovska, E.; Nisar, N. K.; Nishida, S.; Ogawa, S.; Okuno, S.; Pakhlov, P.; Pakhlova, G.; Park, H.; Pedlar, T. K.; Pestotnik, R.; Petrič, M.; Piilonen, L. E.; Ritter, M.; Rostomyan, A.; Sakai, Y.; Sandilya, S.; Santelj, L.; Sanuki, T.; Sato, Y.; Savinov, V.; Schneider, O.; Schnell, G.; Schwanda, C.; Semmler, D.; Senyo, K.; Sevior, M. E.; Shebalin, V.; Shibata, T. -A.; Shiu, J. -G.; Shwartz, B.; Sibidanov, A.; Simon, F.; Sohn, Y. -S.; Sokolov, A.; Solovieva, E.; Starič, M.; Steder, M.; Sumisawa, K.; Sumiyoshi, T.; Tamponi, U.; Tanida, K.; Tatishvili, G.; Teramoto, Y.; Thorne, F.; Trabelsi, K.; Uchida, M.; Uehara, S.; Uglov, T.; Unno, Y.; Uno, S.; Urquijo, P.; Vahsen, S. E.; Van Hulse, C.; Vanhoefer, P.; Varner, G.; Vinokurova, A.; Vorobyev, V.; Wagner, M. N.; Wang, C. H.; Wang, M. -Z.; Wang, P.; Wang, X. L.; Watanabe, M.; Watanabe, Y.; Wehle, S.; Williams, K. M.; Won, E.; Yamaoka, J.; Yashchenko, S.; Yook, Y.; Yusa, Y.; Zhang, Z. P.; Zhilich, V.; Zhulanov, V.; Zupanc, A.

doi:10.1103/PhysRevLett.113.142001

Title: Observation of $e^{+} e^{-} \to π^{+} π^{-} π^{0} χ_{b J}$ and Search for $X_{b} \to ω Y (1 S)$ at $\sqrt{s} = 10.867 GeV$

Journal Article · Tue Sep 30 00:00:00 EDT 2014 · Physical Review Letters

DOI:https://doi.org/10.1103/PhysRevLett.113.142001· OSTI ID:1594463

He, X. H.; Shen, C. P.; Yuan, C. Z.; Ban, Y.; Abdesselam, A.; Adachi, I.; Aihara, H.; Asner, D. M.; Aulchenko, V.; Aushev, T.; Ayad, R.; Bahinipati, S.; Bakich, A. M.; Bansal, V.; Bhuyan, B.; Bondar, A.; Bonvicini, G.; Bozek, A.; Bračko, M.; Browder, T. E. more »

The e⁺e^– → π⁺π^–π⁰χ_bJ (J = 0,1,2) processes are studied using a 118 fb^–1 data sample acquired with the Belle detector at a center-of-mass energy of 10.867 GeV. Unambiguous π⁺π^–π⁰χ_bJ (J = 1,2), ωχ_b1 signals are observed, and indication for ωχ_b2 is seen, both for the first time, and the corresponding cross section measurements are presented. No significant π⁺π^–π⁰χ_b0 or ωχ_b0 signals are observed, and 90% confidence level upper limits on the cross sections for these two processes are obtained. In the π⁺π^–π⁰ invariant mass spectrum, significant non-ω signals are also observed. In conclusion, we search for the X(3872)-like state (named X_b) decaying into ωΥ(1S); no significant signal is observed with a mass between 10.55 and 10.65 GeV/c².

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Research Organization:: Virginia Polytechnic Inst. and State Univ. (Virginia Tech), Blacksburg, VA (United States)

Sponsoring Organization:: USDOE Office of Science (SC), High Energy Physics (HEP)

Contributing Organization:: Belle Collaboration

Grant/Contract Number:: SC0009973

OSTI ID:: 1594463

Alternate ID(s):: OSTI ID: 1180001

Journal Information:: Physical Review Letters, Vol. 113, Issue 14; ISSN 0031-9007

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 43 works

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