Observation of e(+)e(-) -> pi(+)pi(-) pi(0)chi(bJ) and Search for X-b -> omega Upsilon(1S) at root s=10.867 GeV

  • He, X. H.
  • Shen, C. P.
  • Yuan, C. Z.
  • Ban, Y.
  • Abdesselam, A.
  • ... Cheon, Byung Gu
  • 외 159명
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62

초록

The e(+)e(-) -> pi(+)pi(-) pi(0)chi(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 pi(+)pi(-) pi(0)chi(bj) ( J = 1, 2), omega chi(b1) signals are observed, and indication for omega chi(b2) is seen, both for the first time, and the corresponding cross section measurements are presented. No significant pi(+)pi(-) pi(0)chi(b0) or omega chi(b0) signals are observed, and 90% confidence level upper limits on the cross sections for these two processes are obtained. In the pi(+)pi(-) pi(0) invariant mass spectrum, significant non-omega signals are also observed. We search for the X(3872)-like state (named X-b) decaying into omega Upsilon(1S); no significant signal is observed with a mass between 10.55 and 10.65 GeV= c(2).

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CROSS-SECTIONHEAVYIDENTIFICATIONTETRAQUARKS
제목
Observation of e(+)e(-) -> pi(+)pi(-) pi(0)chi(bJ) and Search for X-b -> omega Upsilon(1S) at root s=10.867 GeV
저자
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.Bracko, M.Browder, T. E.Cervenkov, D.Chang, P.Chekelian, V.Chen, A.Cheon, Byung GuChilikin, K.Chistov, R.Cho, K.Chobanova, V.Choi, S. -K.Choi, Y.Cinabro, D.Dalseno, J.Danilov, M.Dolezal, Z.Drasal, 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.Kodys, P.Korpar, S.Krizan, 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.Petric, 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.Staric, 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
발행일
2014-09
유형
Article
저널명
Physical Review Letters
113
14
페이지
1 ~ 7

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