Measurement of the B+ production cross section in pp- collisions at √s=1960 GeV

被引：53
|
作者：
Abulencia, A. [1 ]
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.
Arguin, J. -F.
Arisawa, T.
Artikov, A.
Ashmanskas, W.
Attal, A.
Azfar, F.
Azzi-Bacchetta, P.
Azzurri, P.
Bacchetta, N.
Badgett, W.
Barbaro-Galtieri, A.
Barnes, V. E.
Barnett, B. A.
Baroiant, S.
Bartsch, V.
Bauer, G.
Bedeschi, F.
Behari, S.
Belforte, S.
Bellettini, G.
Bellinger, J.
Belloni, A.
Benjamin, D.
Beretvas, A.
Beringer, J.
Berry, T.
Bhatti, A.
Binkley, M.
Bisello, D.
Blair, R. E.
Blocker, C.
Blumenfeld, B.
Bocci, A.
Bodek, A.
Boisvert, V.
Bolla, G.
机构：
[1] Okayama Univ, Okayama 7008530, Japan
来源：
PHYSICAL REVIEW D | 2007年 / 75卷 / 01期
基金：
英国科学技术设施理事会;
关键词：
D O I：
10.1103/PhysRevD.75.012010
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We present a new measurement of the B+ meson differential cross section d sigma/dp(T) at root s=1960 GeV. The data correspond to an integrated luminosity of 739 pb(-1) collected with the upgraded CDF detector (CDF II) at the Fermilab Tevatron collider. B+ candidates are reconstructed through the decay B+-> J/psi K+, with J/psi ->mu(+)mu(-). The integrated cross section for producing B+ mesons with p(T)>= 6 GeV/c and vertical bar y vertical bar <= 1 is measured to be 2.78 +/- 0.24 mu b.
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页数：12
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