LHCb实验中B介子的对侧味标记
高能物理 - 实验
2012-07-06 v2
摘要
描述了用于LHCb实验中时间依赖不对称性测量的对侧味标记算法的校准和性能。这些算法使用模拟事件开发，并使用B+ → J/ψ K+、B0 → J/ψ K*0和B0 → D*- μ+ ν_μ衰变模式在2011年物理运行期间收集的0.37 fb^-1的pp碰撞数据（质心能量√s = 7 TeV）进行优化和校准。在B+ → J/ψ K+道中确定的对侧标记功率为(2.10 ± 0.08 ± 0.24)%，其中第一个不确定度为统计不确定度，第二个为系统不确定度。
引用
@article{arxiv.1202.4979,
title = {Opposite-side flavour tagging of B mesons at the LHCb experiment},
author = {LHCb Collaboration and R. Aaij and C. Abellan Beteta and B. Adeva and M. Adinolfi and C. Adrover and A. Affolder and Z. Ajaltouni and J. Albrecht and F. Alessio and M. Alexander and G. Alkhazov and P. Alvarez Cartelle and A. A. Alves and S. Amato and Y. Amhis and J. Anderson and R. B. Appleby and O. Aquines Gutierrez and F. Archilli and L. Arrabito and A. Artamonov and M. Artuso and E. Aslanides and G. Auriemma and S. Bachmann and J. J. Back and D. S. Bailey and V. Balagura and W. Baldini and R. J. Barlow and C. Barschel and S. Barsuk and W. Barter and A. Bates and C. Bauer and Th. Bauer and A. Bay and I. Bediaga and S. Belogurov and K. Belous and I. Belyaev and E. Ben-Haim and M. Benayoun and G. Bencivenni and S. Benson and J. Benton and R. Bernet and M. -O. Bettler and M. van Beuzekom and A. Bien and S. Bifani and T. Bird and A. Bizzeti and P. M. Bjørnstad and T. Blake and F. Blanc and C. Blanks and J. Blouw and S. Blusk and A. Bobrov and V. Bocci and A. Bondar and N. 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journal= {arXiv preprint arXiv:1202.4979},
year = {2012}
}
备注
22 pages, 9 figures, Submitted to Eur. Phys. J. C