Search for a Heavy Neutral Particle Decaying to eµ, et, or µt in pp Collisions at sqrt[s]=8 TeV with the ATLAS Detector.

Search for a Heavy Neutral Particle Decaying to eµ, et, or µt in pp Collisions at sqrt[s]=8 TeV with the ATLAS Detector.
复制标题

使用 ATLAS 探测器在 sqrt[s]=8 TeV 的 pp 碰撞中搜索衰变至 e µ、et 或 µt 的重中性粒子。

DOI:
10.1103/physrevlett.115.031801
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发表时间:
2015
影响因子:
8.6
通讯作者:
Aad G
Aad G
中科院分区:
物理与天体物理1区
文献类型:
--
作者:
Aad G

文献摘要

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这封信提出了一个寻找一个重的中性粒子衰变成相反符号的不同味道的双轻子对,或使用碰撞数据收集的ATLAS探测器在大型强子对撞机。观察到的候选事件的数量与标准模型的预期是一致的。在两种情况下对新现象的横截面进行了限制:违反宇称的超对称模型的产生和违反轻子味的矢量玻色子的产生。
This Letter presents a search for a heavy neutral particle decaying into an opposite-sign different-flavor dilepton pair,,, orusingofcollision data atcollected by the ATLAS detector at the LHC. The numbers of observed candidate events are compatible with the standard model expectations. Limits are set on the cross section of new phenomena in two scenarios: the production of ν˜τ in-parity-violating supersymmetric models and the production of a lepton-flavor-violatingvector boson.