The CDF-II collaboration's recent high-precision measurement of W-boson mass indicates new physics contribution(s) beyond the Standard Model. We investigate the possibility of the well-known canonical Scotogenic model to explain the CDF-II measurement. The Scotogenic model is a popular scenario ...
C (2022) 82:1041 https://doi.org/10.1140/epjc/s10052-022-11005-5 Regular Article - Theoretical Physics Sterile neutrinos, 0νββ decay and the W-boson mass anomaly in a flipped SU(5) from F-theory Vasileios Basiouris1,a , George K. Leontaris1,2,b 1 Physics Department, University ...
Cai, W -boson mass anomaly: probing the models of axion-like particle, dark photon and Chameleon dark energy. arXiv:2204.04183 43. P. Athron, A. Fowlie, C.-T. Lu, L. Wu, Y. Wu, B. Zhu, The W boson mass and muon g − 2: hadronic uncertainties or new physics?. arXiv:...
The gauge boson mass is(17)mZ′∼100MeV(g′10−4)(vs1000GeV) where g′ is the gauge coupling. Interestingly, this is in the favored range to explain the muon g−2 anomaly. The muon g−2 anomaly confirmed at the Fermilab experiment [75], shows 4.2 σ deviation from the SM ...
摘要原文 We study the implications of the recent anomalies in the $W$-boson mass andthe anomalous magnetic moment of the muon on $U(1)_{L_\mu-L_\tau}$ model. Weshow that the introduction of vector-like fermions which mix with muon cansolve both anomalies. ...
We analyze the quantum theory of W 3 gravity in the chiral gauge, coupled to scalar fields or to W 3 matter. We evaluate the effective action through 3-loop order, using both Feynman diagrams and OPE methods. We exhibit two distinct Ward identities for the W 3 symmetry, in which new te...
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boson and photon mediating processes. We use the best e − →ν e γ limit for the Summary Tables. Note that we use the mean life rather than the half life, which is often reported. e→ν e γ and astrophysical limits e →ν e γ and astrophysical limits e →ν e γ and astroph...
Once the symmetry gets broken then three physical Higgses are produced, one axion like particle (ALP), which also acts as the keV scale FIMP dark matter, is produced and the remaining component is absorbed by the extra gauge boson. Firstly, we have successfully generated neutrino mass by the...