SCOAP3 Repository 17 records found  1 - 10nextSearch took 0.13 seconds. 
1. 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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2. 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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3. 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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4. 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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5. Decay constants of pseudoscalar and vector mesons with improved holographic wavefunctionSupported by National Natural Science Foundation of China (11475055, 11675061, 11435003), Q. Chang is also supported by the Foundation for the Author of National Excellent Doctoral Dissertation of China (201317), the Program for Science and Technology Innovation Talents in Universities of Henan Province (14HASTIT036), the Excellent Youth Foundation of HNNU. X.L. is also supported in part by the self-determined research funds of CCNU from the colleges’ basic research and operation of MOE (CCNU18TS029) / Chang, Qin ; Li, Xiao-Nan ; Li, Xin-Qiang ; Su, Fang
We calculate the decay constants of light and heavy-light pseudoscalar and vector mesons with improved soft-wall holographic wavefuntions, which take into account the effects of both quark masses and dynamical spins. [...]
Published in Chinese Phys. C 42 (2018) 073102 10.1088/1674-1137/42/7/073102 arXiv:1805.00718
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6. K0-K¯0 Mixing in the Minimal Flavor-Violating Two-Higgs-Doublet Models / Su, Fang ; Cho, Natthawin ; Li, Xin-Qiang ; Zhang, Xin
The two-Higgs-doublet model (2HDM), as one of the simplest extensions of the Standard Model (SM), is obtained by adding another scalar doublet to the SM and is featured by a pair of charged Higgs, which could affect many low-energy processes. [...]
Published in Advances in High Energy Physics 2017 (2017) 2863647 10.1155/2017/2863647 arXiv:1705.07638
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7. Study of the weak annihilation contributions in charmless Bs→VV decays / Chang, Qin ; Li, Xiaonan ; Li, Xin-Qiang ; Sun, Junfeng
In this paper, in order to probe the spectator-scattering and weak annihilation contributions in charmless Bs→VV (where V stands for a light vector meson) decays, we perform the χ2 -analyses for the endpoint parameters within the QCD factorization framework, under the constraints from the measured B¯s→ ρ0ϕ , ϕK∗0 , ϕϕ and K∗0K¯∗0 decays. [...]
Published in EPJC 77 (2017) 415 10.1140/epjc/s10052-017-4980-9
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8. Scalar contributions to b → c ( u ) τν transitions / Celis, Alejandro ; Jung, Martin ; Li, Xin-Qiang ; Pich, Antonio
We perform a comprehensive analysis of scalar contributions in b→cτν transitions including the latest measurements of R(D(⁎)) , the q2 differential distributions in B→D(⁎)τν , the τ polarization asymmetry for B→D⁎τν , and the bound derived from the total width of the Bc meson. [...]
Published in Physics letters B (2017) 10.1016/j.physletb.2017.05.037
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9. 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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10. 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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SCOAP3 Repository : 17 records found   1 - 10next
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