Evidence for D-0-(D)over-bar(0) mixing

  • Staric, M.
  • Golob, B.
  • Abe, K.
  • Abe, K.
  • Adachi, I.
  • ... Cheon, Byung Gu
  • 외 182명
Citations

WEB OF SCIENCE

204
Citations

SCOPUS

311

초록

We observe evidence for D-0-(D) over bar (0) mixing by measuring the difference in the apparent lifetime when a D-0 meson decays to the CP eigenstates K+K- and pi(+)pi(-) and when it decays to the final state K-pi(+). We find the relative difference of the lifetimes y(CP) to be [1.31 +/- 0.32(stat)+/- 0.25(syst)]%, 3.2 standard deviations from zero. We also search for a CP asymmetry between D-0 and (D) over bar (0) decays; no evidence for CP violation is found. These results are based on 540 fb(-1) of data recorded by the Belle detector at the KEKB e(+)e(-) collider.

키워드

D-MESON SYSTEMDETECTOR
제목
Evidence for D-0-(D)over-bar(0) mixing
저자
Staric, M.Golob, B.Abe, K.Abe, K.Adachi, I.Aihara, H.Arinstein, K.Aushev, T.Aziz, T.Bahinipati, S.Bakich, A. M.Balagura, V.Barberio, E.Bay, A.Belous, K.Bitenc, U.Bizjak, I.Blyth, S.Bondar, A.Bozek, A.Bracko, M.Brodzicka, J.Browder, T. E.Chang, P.Chao, Y.Chen, A.Chen, K.-F.Chen, W. T.Cheon, Byung GuChistov, R.Cho, I.-S.Choi, S.-K.Choi, Y.Cole, S.Dalseno, J.Danilov, M.Dash, M.Dragic, J.Drutskoy, A.Eidelman, S.Epifanov, D.Fratina, S.Gabyshev, N.Garmash, A.Gorisek, A.Ha, H.Haba, J.Hara, T.Hastings, N. C.Hayasaka, K.Hayashii, H.Hazumi, M.Heffernan, D.Higuchi, T.Hokuue, T.Hoshi, Y.Hou, W.-S.Iijima, T.Ikado, K.Inami, K.Ishikawa, A.Ishino, H.Itoh, R.Iwasaki, M.Iwasaki, Y.Kaji, H.Kapusta, P.Katayama, N.Kawasaki, T.Kibayashi, A.Kichimi, H.Kim, S. K.Kim, Y. J.Kinoshita, K.Korpar, S.Krizan, P.Krokovny, P.Kumar, R.Kuo, C. C.Kuzmin, A.Kwon, Y.-J.Lange, J. S.Lee, M. J.Lee, S. E.Lesiak, T.Li, J.Limosani, A.Lin, S.-W.Liventsev, D.Mandl, F.Marlow, D.Matsumoto, T.Matyja, A.McOnie, S.Medvedeva, T.Mitaroff, W.Miyabayashi, K.Miyake, H.Miyata, H.Miyazaki, Y.Mizuk, R.Mohapatra, D.Nagasaka, Y.Nakamura, I.Nakano, E.Nakao, M.Nakazawa, H.Natkaniec, Z.Nishida, S.Nitoh, O.Noguchi, S.Nozaki, T.Ogawa, S.Okuno, S.Olsen, S. L.Onuki, Y.Ozaki, H.Pakhlov, P.Pakhlova, G.Palka, H.Pestotnik, R.Piilonen, L. E.Poluektov, A.Rozanska, M.Sahoo, H.Sakai, Y.Satoyama, N.Schneider, O.Mann, J. Schu R.Schwanda, C.Schwartz, A. J.Seidl, R.Senyo, K.Sevior, M. E.Shapkin, M.Shen, C. P.Shibuya, H.Shwartz, B.Sokolov, A.Somov, A.Stanic, S.Stoeck, H.Sumisawa, K.Sumiyoshi, T.Suzuki, S.Suzuki, S. Y.Tajima, O.Takasaki, F.Tamai, K.Tanaka, M.Taylor, G. N.Teramoto, Y.Tian, X. C.Tikhomirov, I.Trabelsi, K.Tsuboyama, T.Tsukamoto, T.Uehara, S.Ueno, K.Uglov, T.Unno, Y.Uno, S.Urquijo, P.Ushiroda, Y.Usov, Y.Varner, G.Varvell, K. E.Vervink, K.Villa, S.Vinokurova, A.Wang, C. H.Wang, M.-Z.Watanabe, Y.Wicht, J.Won, E.Xie, Q. L.Yabsley, B. D.Yamaguchi, A.Yamamoto, H.Yamashita, Y.Yamauchi, M.Yuan, C. Z.Yuan, Y.Zhang, C. C.Zhang, L. M.Zhang, Z. P.Zhilich, V.Zupanc, A.
DOI
10.1103/PhysRevLett.98.211803
발행일
2007-05
유형
Article
저널명
Physical Review Letters
98
21
페이지
1 ~ 6

파일 다운로드