Search for CP violation in the decay D + ? p - p + p +

Search for CP violation in the decay D + ? p - p + p +
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在衰变 D 中寻找 CP 破坏?

DOI:
10.1016/j.physletb.2013.12.035
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发表时间:
2014
期刊:
影响因子:
4.4
通讯作者:
Aaij R
Aaij R
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Aaij R

文献摘要

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利用LHCb实验在质心能量为7 TeV的条件下收集的pp碰撞数据,对应于积分光度为1.0 fb− 1,在衰变D+→ π − π+的相空间中搜索CP破坏。将3.1× 106个D+和D−候选者的Dalitz图分布与分箱和未分箱的模型独立技术进行比较。没有发现违反CP的证据
A search for CP violation in the phase space of the decay D+→ π− π+ π+ is reported using pp collision data, corresponding to an integrated luminosity of 1.0 fb− 1, collected by the LHCb experiment at a centreof-mass energy of 7 TeV. The Dalitz plot distributions for 3.1× 106 D+ and D− candidates are compared with binned and unbinned model-independent techniques. No evidence for CP violation is found