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arXiv 1801.04847hep-phhep-ex
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暗光子搜索中的偶然性

Serendipity in dark photon searches

Philip Ilten, Yotam Soreq, Mike Williams, Wei Xue

摘要:

暗光子的发现为其他类型的矢量粒子提供了偶然发现的可能性。我们开发了一个框架重铸暗光子搜索,以获得更一般的理论,其中包括一个数据驱动的方法来确定强子衰变率的约束。我们证明了我们的方法,推导出一个矢量,耦合到$B\!-\!L$电流,疏轻子$B$玻色子,直接耦合到重子数和轻子通过$B$ - $γ$动力学混合,和介导的疏质子力的矢量上的约束。我们的方法可以很容易地推广到任何与标准模型费米子矢量耦合的大质量规范玻色子,并且在https://gitlab.com/philten/darkcast上提供了执行任何此类重铸的软件。

英文摘要:

Searches for dark photons provide serendipitous discovery potential for other types of vector particles. We develop a framework for recasting dark photon searches to obtain constraints on more general theories, which includes a data-driven method for determining hadronic decay rates. We demonstrate our approach by deriving constraints on a vector that couples to the $B\!-\!L$ current, a leptophobic $B$ boson that couples directly to baryon number and to leptons via $B$-$γ$ kinetic mixing, and on a vector that mediates a protophobic force. Our approach can easily be generalized to any massive gauge boson with vector couplings to the Standard Model fermions, and software to perform any such recasting is provided at https://gitlab.com/philten/darkcast .

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