Bounds on gauge bosons coupled to nonconserved currents
Bounds on gauge bosons coupled to nonconserved currents
复制标题
与非守恒电流耦合的规范玻色子的界限
DOI:
10.1103/physrevd.104.035034
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发表时间:
2021
影响因子:
5
通讯作者:
Tsai, Yuhsin
中科院分区:
文献类型:
--
作者:
Ekhterachian, Majid;Hook, Anson;Kumar, Soubhik;Tsai, Yuhsin
We discuss new bounds on vectors coupled to currents whose nonconservation is due to mass terms, such as. Due to the emission of many final state longitudinally polarized gauge bosons, inclusive rates grow exponentially fast in energy, leading to constraints that are only logarithmically dependent on the symmetry breaking mass term. This exponential growth is unique to Stueckelberg theories and reverts back to polynomial growth at energies above the mass of the radial mode. We present bounds coming from the high transverse mass tail ofevents at the LHC, which beat out cosmological bounds to place the strongest limit on Stueckelbergmodels for most masses below a keV. We also discuss a stronger, but much more uncertain, bound coming from the validity of perturbation theory at the LHC.
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