Measurement of B(D-s(+)->mu(+)nu(mu))

  • Widhalm, L.
  • Adachi, I.
  • Aihara, H.
  • Aushev, T.
  • Bakich, A. M.
  • ... Cheon, Byung Gu
  • 외 137명
Citations

WEB OF SCIENCE

31
Citations

SCOPUS

64

초록

We present a measurement of the branching fraction B(D-s(+)->mu(+)nu(mu)) using a 548 fb(-1) data sample collected by the Belle experiment at the KEKB e(+)e(-) collider. The D-s momentum is determined by reconstruction of the system recoiling against DK gamma X in events of the type e(+)e(-)->(DsDKX)-D-*, D-s(*)-> D-s gamma, where X represents additional pions or photons from fragmentation. This full-reconstruction method provides high resolution in the neutrino momentum and thus good background separation, equivalent to that achieved by experiments at the tau-charm factories. We obtain the branching fraction B(D-s(+)->mu(+)nu(mu))=[6.44 +/- 0.76(stat)+/- 0.57(syst)]x10(-3), implying a D-s decay constant of f(Ds)=[275 +/- 16(stat)+/- 12(syst)] MeV.

키워드

DETECTOR
제목
Measurement of B(D-s(+)->mu(+)nu(mu))
저자
Widhalm, L.Adachi, I.Aihara, H.Aushev, T.Bakich, A. M.Balagura, V.Barberio, E.Bay, A.Bedny, I.Bhardwaj, V.Bitenc, U.Blyth, S.Bozek, A.Bracko, M.Brodzicka, J.Browder, T. E.Chao, Y.Chen, A.Chen, W. T.Cheon, Byung GuChistov, R.Cho, I. -S.Choi, Y.Dalseno, J.Dash, M.Drutskoy, A.Eidelman, S.Goldenzweig, P.Golob, B.Ha, H.Haba, J.Hayasaka, K.Hayashii, H.Hazumi, M.Heffernan, D.Hoshi, Y.Hou, W. -S.Hsiung, Y. B.Hyun, H. J.Iijima, T.Inami, K.Ishikawa, A.Ishino, H.Itoh, R.Iwasaki, M.Iwasaki, Y.Kah, D. H.Kang, J. H.Kapusta, P.Katayama, N.Kawai, H.Kawasaki, T.Kichimi, H.Kim, S. K.Kim, Y. J.Kinoshita, K.Korpar, S.Krizan, P.Krokovny, P.Kumar, R.Kuo, C. C.Kuroki, Y.Kuzmin, A.Kwon, Y. -J.Lee, J.Lee, J. S.Lee, M. J.Lee, S. E.Lesiak, T.Lin, S. -W.Liu, C.Liventsev, D.Mandl, F.Matyja, A.McOnie, S.Mitaroff, W.Miyake, H.Miyata, H.Miyazaki, Y.Mizuk, R.Moloney, G. R.Nakano, E.Nakao, M.Natkaniec, Z.Nishida, S.Nitoh, O.Noguchi, S.Ogawa, S.Ohshima, T.Okuno, S.Ozaki, H.Pakhlov, P.Pakhlova, G.Palka, H.Park, C. W.Park, H.Park, K. S.Peak, L. S.Pestotnik, R.Piilonen, L. E.Sahoo, H.Sakai, Y.Schneider, O.Seidl, R.Sekiya, A.Senyo, K.Shapkin, M.Shibuya, H.Shiu, J. -G.Singh, J. B.Somov, A.Stanic, S.Staric, M.Sumiyoshi, T.Suzuki, S. Y.Takasaki, F.Tamura, N.Tanaka, M.Taylor, G. N.Teramoto, Y.Tikhomirov, I.Trabelsi, K.Uehara, S.Uglov, T.Unno, Y.Uno, S.Urquijo, P.Usov, Y.Varner, G.Vervink, K.Wang, C. H.Wang, M. -Z.Wang, P.Watanabe, Y.Wedd, R.Won, E.Yabsley, B. D.Yamamoto, H.Yamashita, Y.Zhang, Z. P.Zhilich, V.Zupanc, A.Zyukova, O.
DOI
10.1103/PhysRevLett.100.241801
발행일
2008-06
유형
Article
저널명
Physical Review Letters
100
24
페이지
1 ~ 6

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