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arXiv 2208.13622hep-phhep-ex
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RSE产生幅度和在大约57 GeV处存在(伪)标量玻色子的可能证据

RSE production amplitude and possible evidence of a (pseudo)scalar boson at about 57 GeV

Eef van Beveren, George Rupp

摘要:

由共振谱扩展(RSE)产生振幅预测的阈值增强,以及由BaBaR合作组织在$B\bar{B}$阈值以上的开底产生中观察到的阈值增强,以及由几个合作组织在$D\bar{D}$阈值以上的开魅产生中观察到的阈值增强,也可以在能量高于100 GeV的双光子振幅中看到。在LEP的L3合作组的τ-τ和μ-μ子数据中,以及在LHC的ATLAS和CMS合作组的双光子和四轻子数据中,都可以看到这样的阈值效应,因为它被附近希格斯共振的存在所增强。这支持了在大约115 GeV的对生产的假设。L3和CMS合作组分别观测到的28 GeV左右的单光子和双μ子数据的积累,进一步证实了质量约为57 GeV的(伪)标量玻色子存在的假设。

英文摘要:

Threshold enhancements predicted by the Resonance-Spectrum-Expansion (RSE) production amplitude and observed by the BaBaR Collaboration in open-bottom production above the $B\bar{B}$ threshold, as well as by several collaborations in open-charm production above the $D\bar{D}$ threshold, can also be seen in diphoton amplitudes at energies above 100 GeV. One such threshold effect is visible in tau-tau and muon-muon data of the L3 Collaboration at LEP, and in the diphoton and four-lepton data of the ATLAS and CMS Collaborations at LHC, as it is enhanced by the nearby presence of the Higgs resonance. This supports the assumption of pair production at about 115 GeV. An accumulation of single-photon and dimuon data around 28 GeV observed by the L3 and the CMS Collaborations, respectively, lend further credit to the hypothesis of the existence of a (pseudo)scalar boson with a mass of about 57 GeV.

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