Dergi makalesi Açık Erişim
Ezzat, K.; Faisel, G.; Khalil, S.
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"affiliation": "Department of Mathematics, Faculty of Science, Ain Shams University, Cairo, 11566, Egypt",
"name": "Ezzat, K."
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"affiliation": "Department of Physics, Faculty of Arts and Sciences, S\u00fcleyman Demirel University, Isparta, 32260, Turkey",
"name": "Faisel, G."
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"affiliation": "Center for Fundamental Physics, Zewail City of Science and Technology, 6 October City, Giza, 12578, Egypt",
"name": "Khalil, S."
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"description": "<p>We investigate ${R}_{D}$ and ${R}_{{D}^{\\ast }}$ anomalies in a low scale left\u2013right symmetric model based on $SU{\\left(3\\right)}_{C}\u00d7SU{\\left(2\\right)}_{L}\u00d7SU{\\left(2\\right)}_{R}\u00d7U{\\left(1\\right)}_{B-L}$ with a simplified Higgs sector consisting of only one bidoublet and one $SU{\\left(2\\right)}_{R}$ doublet. The Wilson coefficients relevant to the transition $b\\to c\\tau \\nu $ are derived by integrating out the charged Higgs ${H}^{\u00b1}$ boson, which gives the dominant contributions. We emphasize that the charged Higgs effects, with the complex right-handed quark mixing matrix, can account for both ${R}_{D}$ and ${R}_{{D}^{\\ast }}$ anomalies simultaneously, while adhering to a set of significant constraints including, for instance, $\\text{BR}\\left({B}_{c}^{-}\\to {\\tau }^{-}{\\overline{\\nu }}_{\\tau }\\right)$ and ${B}_{s\\left(d\\right)}-{\\overline{B}}_{s\\left(d\\right)}$ mixing. In relation to this, we show that the predicted values of the ${D}^{\\ast }$ , $\\tau $ longitudinal polarizations and ${P}_{\\tau }\\left(D\\right)$ can be affected for the set of the parameters of the model resolving the ${R}_{D,{D}^{\\ast }}$ anomalies.</p>",
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"title": "European Physical Journal C",
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"title": "Investigating ${R}_{D}$ and ${R}_{{D}^{\\ast }}$ anomalies in a left\u2013right model with an inverse seesaw"
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