Observation of e(+)e(-)-> K(+)K(-)J/psi via initial-state radiation at Belle

  • Yuan, C. Z.
  • Shen, C. P.
  • Wang, P.
  • Wang, X. L.
  • Adachi, I.
  • ... Won, E.
  • 외 129명
Citations

WEB OF SCIENCE

31
Citations

SCOPUS

36

초록

The process e(+)e(-)-> K(+)K(-)J/psi is observed for the first time via initial-state radiation. The cross section of e(+)e(-)-> K(+)K(-)J/psi for center-of-mass energies between threshold and 6.0 GeV is measured using 673 fb(-1) of data collected with the Belle detector on and off the Upsilon(4S) resonance. No significant signal for Y(4260)-> K(+)K(-)J/psi is observed, and we determine B(Y(4260)-> K(+)K(-)J/psi)Gamma(Y(4260)-> e(+)e(-))< 1.2 eV/c(2) at a 90% confidence level. We also find evidence for e(+)e(-)-> K(S)(0)K(S)(0)J/psi in the same data sample.

제목
Observation of e(+)e(-)-> K(+)K(-)J/psi via initial-state radiation at Belle
저자
Yuan, C. Z.Shen, C. P.Wang, P.Wang, X. L.Adachi, I.Aihara, H.Arinstein, K.Aulchenko, V.Aushev, T.Bakich, A. M.Balagura, V.Barberio, E.Belous, K.Bitenc, U.Bondar, A.Bracko, M.Brodzicka, J.Browder, T. E.Chao, Y.Chen, A.Chen, W. T.Cheon, B. G.Chistov, R.Cho, I. -S.Choi, Y.Dalseno, J.Danilov, M.Das, A.Dash, M.Eidelman, S.Epifanov, D.Gabyshev, N.Golob, B.Ha, H.Haba, J.Hayasaka, K.Hazumi, M.Heffernan, D.Hokuue, T.Hoshi, Y.Hou, W. -S.Hyun, H. J.Inami, K.Ishikawa, A.Ishino, H.Itoh, R.Iwasaki, Y.Kah, D. H.Kang, J. H.Kawai, H.Kawasaki, T.Kichimi, H.Kim, Y. J.Kinoshita, K.Korpar, S.Krizan, P.Krokovny, P.Kumar, R.Kuo, C. C.Kuzmin, A.Kwon, Y. -J.Lee, M. J.Lee, S. E.Lesiak, T.Lin, S. -W.Liventsev, D.Mandl, F.Matyja, A.McOnie, S.Medvedeva, T.Mitaroff, W.Miyabayashi, K.Miyake, H.Miyata, H.Miyazaki, Y.Mizuk, R.Mohapatra, D.Moloney, G. R.Nagasaka, Y.Nakao, M.Nishida, S.Nitoh, O.Noguchi, S.Nozaki, T.Ogawa, S.Ohshima, T.Okuno, S.Olsen, S. L.Pakhlov, P.Pakhlova, G.Park, C. W.Park, H.Peak, L. S.Piilonen, L. E.Sahoo, H.Sakai, Y.Schneider, O.Schuemann, J.Senyo, K.Sevior, M. E.Shapkin, M.Shibuya, H.Shiu, J. -G.Shwartz, B.Singh, J. B.Somov, A.Stanic, S.Staric, M.Sumiyoshi, T.Takasaki, F.Tamai, K.Tanaka, M.Teramoto, Y.Tikhomirov, I.Uehara, S.Uglov, T.Unno, Y.Uno, S.Urquijo, P.Usov, Y.Varner, G.Vervink, K.Villa, S.Wang, C. C.Wang, C. H.Watanabe, Y.Won, E.Yabsley, B. D.Yamaguchi, A.Yamashita, Y.Yamauchi, M.Zhang, C. C.Zhang, Z. P.Zupanc, A.Zyukova, O.
DOI
10.1103/PhysRevD.77.011105
발행일
2008-01
유형
Article
저널명
Physical Review D - Particles, Fields, Gravitation and Cosmology
77
1