2016
DOI: 10.1007/jhep01(2016)117
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B ¯ → D ∗ τ ν ¯ $$ \overline{B}\to {D}^{\left(\ast \right)}\tau \overline{\nu} $$ excesses in ALRSM constrained from B, D decays and D 0 − D ¯ 0 $$ {D}^0-{\overline{D}}^0 $$ mixing

Abstract: Recent experimental results from the LHCb, BaBar and Belle collaborations on the semitauonic decays of B meson,B → D ( * ) τν, showing a significant deviation from the Standard Model (SM), hint towards a new physics scenario beyond the SM. In this work, we show that these enhanced decay rates can be explained within the framework of E 6 motivated Alternative Left-Right Symmetric Model (ALRSM), which has been successful in explaining the recent CMS excesses and has the feature of accommodating high scale leptog… Show more

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Cited by 42 publications
(13 citation statements)
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“…Finally it is important to stress that the recent LHCb anomalies could also be explained by E 6 subgroups. [54][55][56][57][58][59] A natural continuation of our work would be to find which of these models are able to explain the anomalies. That is an interesting question since the E 6 models, in general, have been considered as phenomenologically safe.…”
Section: Discussionmentioning
confidence: 99%
“…Finally it is important to stress that the recent LHCb anomalies could also be explained by E 6 subgroups. [54][55][56][57][58][59] A natural continuation of our work would be to find which of these models are able to explain the anomalies. That is an interesting question since the E 6 models, in general, have been considered as phenomenologically safe.…”
Section: Discussionmentioning
confidence: 99%
“…These hints of a possible violation of lepton universality have prompted many theoretical proposals, which include the exchange of charged scalars [12][13][14][15][16][17][18][19], leptoquarks (or, equivalently, R-parity violating supersymmetry) [16,18,[20][21][22][23][24][25][26][27][28][29][30][31][32][33][34][35][36][37], vector resonances [38] or a W boson [18,36,[39][40][41][42].…”
Section: Sourcementioning
confidence: 99%
“…A considerable amount of efforts and model building activities have been devoted to these B-decay anomalies, though mainly focused on models that can accommodate only one of the anomalies: either R(D ( * ) ) or B → K ( * ) + − . The R(D ( * ) ) anomalies have been explained with charged scalars [24][25][26][27][28][29][30][31], leptoquarks (or, equivalently, R-parity violating supersymmetry) [32][33][34][35][36][37][38][39], or a W boson [40]. Effects due to the presence of light sterile neutrinos have also been explored in Refs.…”
Section: Introductionmentioning
confidence: 99%