SCOAP3 Repository 13 records found  1 - 10nextSearch took 0.15 seconds. 
1. b→cτν transitions in the standard model effective field theory / Hu, Quan-Yi ; Li, Xin-Qiang ; Yang, Ya-Dong
The R(D(∗)) anomalies observed in B→D(∗)τν decays have attracted much attention in recent years. [...]
Published in EPJC 79 (2019) 264 10.1140/epjc/s10052-019-6766-8
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2. Muon g2 in a U(1)-symmetric two-Higgs-doublet model / Li, Shao-Ping ; Li, Xin-Qiang ; Yang, Ya-Dong
We show in this paper that, in a U(1)-symmetric two-Higgs-doublet model, the two additional neutral Higgs bosons would become nearly degenerate in the large tanβ regime, under the combined constraints from both theoretical arguments and experimental measurements. [...]
Published in Physical Review D 99 (2019) 10.1103/PhysRevD.99.035010 arXiv:1808.02424
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3. R-parity violating solutions to the RD(*) anomaly and their GUT-scale unifications / Hu, Quan-Yi ; Li, Xin-Qiang ; Muramatsu, Yu ; Yang, Ya-Dong
Recently, several B-physics experiments report interesting anomalies in the semi-leptonic decays of B-mesons, such as the excess in the RD(*) measurements. [...]
Published in Physical Review D 99 (2019) 10.1103/PhysRevD.99.015008 arXiv:1808.01419
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4. Self-consistency and covariance of light-front quark models: Testing via P, V, and A meson decay constants, and PP weak transition form factors / Chang, Qin ; Li, Xiao-Nan ; Li, Xin-Qiang ; Su, Fang ; et al
In this paper, we test the self-consistencies of the standard and the covariant light-front quark model and study the zero-mode issue via the decay constants of pseudoscalar (P), vector (V) and axial-vector (A) mesons, as well as the PP weak transition form factors. [...]
Published in Physical Review D 98 (2018) 10.1103/PhysRevD.98.114018 arXiv:1810.00296
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5. R D * , R K * $$ {R}_{D^{\left(*\right)}},{R}_{K^{\left(*\right)}} $$ and neutrino mass in the 2HDM-III with right-handed neutrinos / Li, Shao-Ping ; Li, Xin-Qiang ; Yang, Ya-Dong ; Zhang, Xin
Given that the two-Higgs-doublet model of type III (2HDM-III) has the potential to address the R D * $$ {R}_{D^{\left(*\right)}} $$ anomalies while the resolution to the R K * $$ {R}_{K^{\left(*\right)}} $$ deficits requires new degrees of freedom within this framework, we consider in this paper a unified scenario where the low-scale type-I seesaw mechanism is embedded into the 2HDM-III, so as to accommodate the R D * $$ {R}_{D^{\left(*\right)}} $$ and R K * $$ {R}_{K^{\left(*\right)}} $$ anomalies as well as the neutrino mass. [...]
Published in JHEP 1809 (2018) 149 10.1007/JHEP09(2018)149 arXiv:1807.08530
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6. The lepton flavor violating exclusive b¯→s¯ℓi−ℓj+ decays in SUSY without R-parity / Sheng, Jin-Huan ; Song, Jia-Jia ; Wang, Ru-Min ; Yang, Ya-Dong
Inspired by the recent anomaly measurements of the lepton-flavor violating decays h→μτ and the lepton flavor non-universality in decays b¯→s¯ℓ−ℓ+ , we investigate the lepton flavor violating exclusive b¯→s¯ℓi−ℓj+ ( i≠j and ℓ=e,μ,τ ) decays within supersymmetry. [...]
Published in Nuclear Physics B 930 (2018) 69-90 10.1016/j.nuclphysb.2018.02.019
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7. The Λb→Λ(→pπ-)μ+μ- decay in the aligned two-Higgs-doublet model / Hu, Quan-Yi ; Li, Xin-Qiang ; Yang, Ya-Dong
The rare baryonic decay Λb→Λ(→pπ-)μ+μ- provides valuable complementary information compared to the corresponding mesonic b→sμ+μ- transition. [...]
Published in EPJC 77 (2017) 228 10.1140/epjc/s10052-017-4794-9
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8. B0→K∗0μ+μ- decay in the aligned two-Higgs-doublet model / Hu, Quan-Yi ; Li, Xin-Qiang ; Yang, Ya-Dong
In the aligned two-Higgs-doublet model, we perform a complete one-loop computation of the short-distance Wilson coefficients C7,9,10(′) , which are the most relevant ones for b→sℓ+ℓ- transitions. [...]
Published in EPJC 77 (2017) 190 10.1140/epjc/s10052-017-4748-2
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9. Λ b → Λ c τ ν ¯ τ $$ {\varLambda}_b\to {\varLambda}_c\tau {\overline{\nu}}_{\tau } $$ decay in scalar and vector leptoquark scenarios / Li, Xin-Qiang ; Yang, Ya-Dong ; Zhang, Xin
It has been shown that the anomalies observed in B ¯ → D ∗ τ ν ¯ τ $$ \overline{B}\to {D}^{\left(\ast \right)}\tau {\overline{\nu}}_{\tau } $$ and B ¯ → K ¯ ℓ + ℓ − $$ \overline{B}\to \overline{K}{\ell}^{+}{\ell}^{-} $$ decays can be resolved by adding a single scalar or vector leptoquark to the Standard Model, while constraints from other precision measurements in the flavour sector can be satisfied without fine-tuning. [...]
Published in JHEP 1702 (2017) 068 10.1007/JHEP02(2017)068 arXiv:1611.01635
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10. Analysis of ΛbΛμ+μ- Decay in Scalar Leptoquark Model / Wang, Shuai-Wei ; Yang, Ya-Dong
We analyze the baryonic semilepton decay ΛbΛμ+μ- in the scalar leptoquark models with X(3,2,7/6) and X(3,2,1/6) states, respectively. [...]
Published in Advances in High Energy Physics 2016 (2016) 5796131 10.1155/2016/5796131 arXiv:1608.03662v1
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SCOAP3 Repository : 13 records found   1 - 10next
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