$B^0 \to K^\ast(892)^0 \ell^+ \ell^-$ 的角分析
高能物理 - 实验
2016-04-19 v2
摘要
我们给出了在衰变 中角观测量 , , , 的测量，其中 为 或 。该分析基于对应于积分亮度 、包含 个 对的数据样本，该样本在不对称能量 对撞机 KEKB 上用 Belle 探测器于 共振处收集。四个角观测量 在轻子系统不变质量平方 的五个区间中被提取。我们将 的结果与标准模型预言进行了比较，其中包括 LHCb 合作组报道的所谓 反常所在的 区域。
引用
@article{arxiv.1604.04042,
title = {Angular analysis of $B^0 \to K^\ast(892)^0 \ell^+ \ell^-$},
author = {Belle Collaboration and A. Abdesselam and I. Adachi and K. Adamczyk and H. Aihara and S. Al Said and K. Arinstein and Y. Arita and D. M. Asner and T. Aso and H. Atmacan and V. Aulchenko and T. Aushev and R. Ayad and T. Aziz and V. Babu and I. Badhrees and S. Bahinipati and A. M. Bakich and A. Bala and Y. Ban and V. Bansal and E. Barberio and M. Barrett and W. Bartel and A. Bay and I. Bedny and P. Behera and M. Belhorn and K. Belous and D. Besson and V. Bhardwaj and B. Bhuyan and J. Biswal and T. Bloomfield and S. Blyth and A. Bobrov and A. Bondar and G. Bonvicini and C. Bookwalter and C. Boulahouache and A. Bozek and M. Bračko and F. Breibeck and J. Brodzicka and T. E. Browder and E. Waheed and D. Červenkov and M. -C. Chang and P. Chang and Y. Chao and V. Chekelian and A. Chen and K. -F. Chen and P. Chen and B. G. Cheon and K. Chilikin and R. Chistov and K. Cho and V. Chobanova and S. -K. Choi and Y. Choi and D. Cinabro and J. Crnkovic and J. Dalseno and M. Danilov and N. 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journal= {arXiv preprint arXiv:1604.04042},
year = {2016}
}
备注
Conference paper for LHC Ski 2016. SM prediction for $P_{6}'$ corrected and reference for arXiv:1207.2753 added