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- W4225101386 abstract "We study the CDF $W$-mass, muon $g-2$, and dark matter observables in a local $U(1)_{L_mu-L_tau}$ model in which the new particles include three vector-like leptons ($E_1,~ E_2,~ N$), a new gauge boson $Z'$, a scalar $S$ (breaking $U(1)_{L_mu-L_tau}$), a scalar dark matter $X_I$ and its partner $X_R$. We find that the CDF $W$-mass disfavors $m_{E_1}= m_{E_2}={m_N}$ or $s_L=s_R=0$ where $s_{L(R)}$ is mixing parameter of left (right)-handed fields of vector-like leptons. A large mass splitting between $E_1$ and $E_2$ is favored when the differences between $s_L$ and $s_R$ becomes small. The muon $g-2$ anomaly can be simultaneously explained for appropriate difference between $s_L$ $(m_{E_1})$ and $s_R$ $(m_{E_2})$, and some regions are excluded by the diphoton signal data of the 125 GeV Higgs. Combined with the CDF $W$-mass, muon $g-2$ anomaly and other relevant constraints, the correct dark matter relic density is mainly obtained in two different scenarios: (i) $X_IX_Ito Z'Z',~ SS$ for $m_{Z'}(m_S)<m_{X_I}$ and (ii) the co-annihilation processes for $min(m_{E_1},m_{E_2},m_N,m_{X_R})$ closed to $m_{X_I}$. Finally, we use the direct searches for $2ell+E_T^{miss}$ event at the LHC to constrain the model, and show the allowed mass ranges of the vector-like leptons and dark matter." @default.
- W4225101386 created "2022-04-30" @default.
- W4225101386 creator A5023539921 @default.
- W4225101386 creator A5063433441 @default.
- W4225101386 date "2022-04-27" @default.
- W4225101386 modified "2023-09-24" @default.
- W4225101386 title "The CDF W-mass, muon g-2, and dark matter in a $U(1)_{L_mu-L_tau}$ model with vector-like leptons" @default.
- W4225101386 doi "https://doi.org/10.48550/arxiv.2204.13027" @default.
- W4225101386 hasPublicationYear "2022" @default.
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