Details

Autor(en) / Beteiligte

• Lees, J P
• Brown, D N
• Button-Shafer, J
• Charles, E
• Jacobsen, R G
• Kolomensky, Yu G
• Kukartsev, G
• Hart, A J
• Fritsch, M
• Koch, H
• Mattison, T S
• Best, D
• Buchanan, C
• Hartfiel, B L
• Long, O
• Campagnari, C
• Dahmes, B
• Albert, J
• Narsky, I
• Nauenberg, U
• Zhang, L
• Altenburg, D
• Brose, J
• Bonneaud, G R
• Schrenk, S
• Vasileiadis, G
• Bard, D J
• Muheim, F
• Bettoni, D
• Zallo, A
• Monge, M R
• Robutti, E
• Tosi, S
• Marks, J
• Egede, U
• Taylor, G P
• Charles, M J
• Arnaud, N
• Giroux, X
• Pierini, M
• Cormack, C M
• Di Lodovico, F
• Jackson, P S
• Allison, J
• Barlow, R J
• Farbin, A
• Lillard, V
• Dallapiccola, C
• Hertzbach, S S
• Yamamoto, R K
• Eschenburg, V
• Côté, D
• Nicholson, H
• Fabozzi, F
• Lista, L
• Sciacca, C
• Baak, M
• Snoek, H L
• Allmendinger, T
• Benelli, G
• Pulliam, T
• Lu, M
• Potter, C T
• Strom, D
• Margoni, M
• Hamon, O
• John, M J J
• Leruste, Ph
• Forti, F
• Neri, N
• Paoloni, E
• Haire, M
• Danielson, N
• Lau, Y P
• Bellini, F
• Ferrarotto, F
• Li Gioi, L
• Piredda, G
• Schröder, H
• Gopal, G P
• Legendre, M
• London, G W
• Claus, R
• Convery, M R
• Dujmic, D
• Hryn'ova, T
• Messner, R
• Schindler, R H
• Wisniewski, W J
• Burchat, P R
• Alam, M S
• Kim, H
• Schwitters, R F
• Bianchi, F
• Gamba, D
• Cossutti, F
• Vuagnin, G
• Harrison, P F
• Flood, K T
• Hollar, J J

Titel

Measurements of branching fractions and time-dependent CP-violating asymmetries in B --> eta'K decays

Ist Teil von

• Physical review letters, 2005-05, Vol.94 (19), p.191802-191802

Ort / Verlag

United States

Erscheinungsjahr

2005

Quelle

American Physical Society Journals

Beschreibungen/Notizen

• We present measurements of the B --> eta(')K branching fractions; for B(+) --> eta(')K(+) we measure also the time-integrated charge asymmetry Alpha(ch), and for B(0) --> eta(')K(0)(S) the time-dependent CP-violation parameters S and C. The data sample corresponds to 232 x 10(6) BB pairs produced by e(+)e(-) annihilation at the Upsilon (4S). The results are Beta(B --> eta(')K(+)) = (68.9 +/- 2.0 +/- 3.2) x 10(-6), Beta(B(0) --> eta(')K(0)) = (67.4 +/- 3.2) x 10(-6), Alpha(ch) = 0.033 +/- 0.028 +/- 0.005, S = 0.30 +/- 0.140 +/- 0.02, and C = -0.21 +/- 0.10 +/- 0.02, where the first error quoted is statistical and the second is systematic.