Dark matter mass from relic abundance, an extra 
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 gauge boson, and active-sterile neutrino mixing

Bhat, Imtiyaz Ahmad; Adhikari, R.

doi:10.1103/physrevd.101.075030

Phys. Rev. D

2020

DOI: 10.1103/physrevd.101.075030

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Dark matter mass from relic abundance, an extra U(1) gauge boson, and active-sterile neutrino mixing

Imtiyaz Ahmad Bhat

R. Adhikari

Abstract: In a model with extra U (1) gauge to Standard Model gauge group we have shown the allowed region of masses of extra gauge boson and the dark matter which is the lightest one among other right-handed Majorana fermions present in the model. To obtain this region we have used bound on dark matter relic density obtained by PLANCK together with the bound on extra gauge boson mass and its gauge coupling recently obtained by ATLAS collaboration at LHC. This allowed region also get further constrained by the required … Show more

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Cited by 5 publications

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B − L model with A ₄ × Z ₃ × Z ₄ symmetry for 3 + 1 active-sterile neutrino mixing

Vien¹

2022

J. Phys. G: Nucl. Part. Phys.

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We construct a $B-L$ model with $A_4\times Z_3\times Z_4$ flavor symmetry which can accounts for %which successfully explains the recent $3+1$ active-sterile neutrino data. The tiny neutrino mass and the mass hierarchy are obtained by the type-I seesaw mechanism. The hierarchy of the lepton masses is satisfied by a factor of $v_H \left(\frac{v_l}{\Lambda}\right)^2 \sim 10^{-4}\, \mathrm{GeV}$ of the electron mass compared to the muon and tau masses of the order of $\frac{v_H v_l}{\Lambda} \sim 10^{-1}\, \mathrm{GeV}$. Th\Revised{e} $3+1$ active-sterile neutrino mixings are predicted to be $0.015 \leq|U_{\Revised{1} 4}|^2\leq 0.045$, $0.004 \leq|U_{\Revised{2} 4}|^2\leq 0.012$ and $0.004 \leq|U_{\Revised{3} 4}|^2\leq 0.014$ for normal hierarchy while $0.020\leq|U_{\Revised{1} 4}|^2\leq 0.045$, $0.008 \leq|U_{\Revised{2} 4}|^2\leq 0.018$ and $0.008\leq|U_{\Revised{3} 4}|^2\leq 0.022$ for inverted hierarchy. Sterile neutrino masses are predicted to be $0.7 \lesssim m_s \, (\mathrm{eV}) \lesssim 3.16$ for normal hierarchy and $2.6 \lesssim m_s \, (\mathrm{eV}) \lesssim 7.1$ for inverted hierarchy. For three neutrino scheme the model predicts $0.3401 \leq \sin^2\theta_{12}\leq 0.3415, \, 0.460 \leq \sin^2\theta_{23}\leq 0.540,\, -0.60 \leq \sin\delta_{CP}\leq -0.20$ for normal hierarchy and $0.3402 \leq \sin^2\theta_{12}\leq 0.3416,\, 0.434\leq\sin^2\theta_{23}\leq 0.610,\, -0.95 \leq \sin\delta_{CP}\leq -0.60$ for inverted hierarchy.

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B − L model with A ₄ × Z ₃ × Z ₄ symmetry for 3 + 1 active-sterile neutrino mixing

Vien¹

2022

J. Phys. G: Nucl. Part. Phys.

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Constraints on cosmic-ray boosted dark matter in CDEX-10 *

2022

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Dark matter (DM) direct detection experiments have been setting strong limits on the DM-nucleon scattering cross section at the DM mass above a few GeV, but leave large parameter space unexplored in the low mass region. DM is likely to be scattered and boosted by relativistic cosmic rays in the expanding universe if it can generate nuclear recoils in direct detection experiments to offer observable signals. Since low energy threshold detectors using Germanium have provided good constraints on ordinary halo GeV-scale DM, it is necessary to re-analyze 102.8 kg$\times$day data in the CDEX-10 experiment assuming that DM is boosted by cosmic rays. For the DM mass range 1 keV $<m_\chi <$ 1 MeV and the effective distance within 1 kpc, we reach an almost flat floor limit at $8.32\times10^{-30}$ cm$^2$ on spin-independent DM-nucleon scattering cross section at a 90\% confidence level. The CDEX-10 result is able to close the gap unambiguously in the parameter space between MiniBooNE and XENON1T constraints which was partially hindered by the Earth attenuation effect. We also quantitatively calculate expected neutrino floor on searching for CRBDM in future direct detection experiments using Germanium. Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. Article funded by SCOAP3 and published under licence by Chinese Physical Society and the Institute of High Energy Physics of the Chinese Academy of Science and the Institute of Modern Physics of the Chinese Academy of Sciences and IOP Publishing Ltd.

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Anomalous magnetic moment and Higgs coupling of the muon in a sequential U(1) gauge model with dark matter

et al. 2022

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Dark matter mass from relic abundance, an extra U(1) gauge boson, and active-sterile neutrino mixing

Cited by 5 publications

References 70 publications

B − L model with A ₄ × Z ₃ × Z ₄ symmetry for 3 + 1 active-sterile neutrino mixing

B − L model with A ₄ × Z ₃ × Z ₄ symmetry for 3 + 1 active-sterile neutrino mixing

Constraints on cosmic-ray boosted dark matter in CDEX-10 *

Anomalous magnetic moment and Higgs coupling of the muon in a sequential U(1) gauge model with dark matter

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Dark matter mass from relic abundance, an extra U(1) gauge boson, and active-sterile neutrino mixing

Cited by 5 publications

References 70 publications

B − L model with A 4 × Z 3 × Z 4 symmetry for 3 + 1 active-sterile neutrino mixing

B − L model with A 4 × Z 3 × Z 4 symmetry for 3 + 1 active-sterile neutrino mixing

Constraints on cosmic-ray boosted dark matter in CDEX-10 *

Anomalous magnetic moment and Higgs coupling of the muon in a sequential U(1) gauge model with dark matter

Contact Info

Product

Resources

About

B − L model with A ₄ × Z ₃ × Z ₄ symmetry for 3 + 1 active-sterile neutrino mixing

B − L model with A ₄ × Z ₃ × Z ₄ symmetry for 3 + 1 active-sterile neutrino mixing