Details

Autor(en) / Beteiligte

• Acosta, D
• Adelman, J
• Affolder, T
• Akimoto, T
• Albrow, M G
• Ambrose, D
• Amerio, S
• Amidei, D
• Anastassov, A
• Anikeev, K
• Annovi, A
• Antos, J
• Aoki, M
• Apollinari, G
• Arisawa, T
• Arguin, J-F
• Artikov, A
• Ashmanskas, W
• Attal, A
• Azfar, F
• Azzi-Bacchetta, P
• Bacchetta, N
• Bachacou, H
• Badgett, W
• Barbaro-Galtieri, A
• Barker, G J
• Barnes, V E
• Barnett, B A
• Baroiant, S
• Barone, M
• Bauer, G
• Bedeschi, F
• Behari, S
• Belforte, S
• Bellettini, G
• Bellinger, J
• Ben-Haim, E
• Benjamin, D
• Beretvas, A
• Bhatti, A
• Binkley, M
• Bisello, D
• Bishai, M
• Blair, R E
• Blocker, C
• Bloom, K
• Blumenfeld, B
• Bocci, A
• Bodek, A
• Bolla, G
• Bolshov, A
• Booth, P S L
• Bortoletto, D
• Boudreau, J
• Bourov, S
• Brau, B
• Bromberg, C
• Brubaker, E
• Budagov, J
• Budd, H S
• Burkett, K
• Busetto, G
• Bussey, P
• Byrum, K L
• Cabrera, S
• Campanelli, M
• Campbell, M
• Canepa, A
• Casarsa, M
• Carlsmith, D
• Carron, S
• Carosi, R
• Cavalli-Sforza, M
• Castro, A
• Catastini, P
• Cauz, D
• Cerri, A
• Cerrito, L
• Chapman, J
• Chen, C
• Chen, Y C
• Chertok, M
• Chiarelli, G
• Chlachidze, G
• Chlebana, F
• Cho, I
• Cho, K
• Chokheli, D
• Chou, J P
• Chu, M L
• Chuang, S
• Chung, J Y
• Chung, W-H
• Chung, Y S
• Ciobanu, C I
• Ciocci, M A
• Clark, A G
• Clark, D
• Coca, M
• Connolly, A

Titel

Measurement of the lifetime difference between Bs mass eigenstates

Ist Teil von

• Physical review letters, 2005-03, Vol.94 (10), p.101803-101803

Ort / Verlag

United States

Erscheinungsjahr

2005

Quelle

American Physical Society Journals

Beschreibungen/Notizen

• We present measurements of the lifetimes and polarization amplitudes for B(0)(s)-->J/psiphi and B(0)(d)-->J/psiK(*0) decays. Lifetimes of the heavy and light mass eigenstates in the B(0)(s) system are separately measured for the first time by determining the relative contributions of amplitudes with definite CP as a function of the decay time. Using 203+/-15 B(0)(s) decays we obtain tau(L) = (1.05(+0.16)(-0.13) +/- 0.02) ps and tau(H) = (2.07(+0.58)(-0.46) +/- 0.03) ps. Expressed in terms of the difference DeltaGamma(s) and average Gamma(s), of the decay rates of the two eigenstates, the results are DeltaGamma(s)/Gamma(s) = (65(+25)(-33) +/- 1)% and DeltaGamma(s) = (0.47(+0.19)(-0.24) +/- 0.01) ps(-1).