SCOAP3 Repository 15 records found  1 - 10nextSearch took 0.01 seconds. 
1. B-meson charged current anomalies: The post-Moriond 2019 status / Bardhan, Debjyoti ; Ghosh, Diptimoy
In this paper, we discuss the impact of the recent Belle result on the various theoretical explanations of the RD and RD* anomalies. [...]
Published in Physical Review D 100 (2019) 10.1103/PhysRevD.100.011701
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2. Anatomy of b → c τ ν anomalies / Azatov, Aleksandr ; Bardhan, Debjyoti ; Ghosh, Diptimoy ; Sgarlata, Francesco ; et al
In recent times, one of the strongest hints of Physics Beyond the Standard Model (BSM) has been the anomaly in the ratios R D and R D * $$ {R}_{D^{*}} $$ measured in the charged current decays of B -mesons. [...]
Published in JHEP 1811 (2018) 187 10.1007/JHEP11(2018)187 arXiv:1805.03209
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3. Combined explanations of B -physics anomalies: the sterile neutrino solution / Azatov, Aleksandr ; Barducci, Daniele ; Ghosh, Diptimoy ; Marzocca, David ; et al
In this paper we provide a combined explanation of charged- and neutral-current B -physics anomalies assuming the presence of a light sterile neutrino N R which contributes to the B → D (*) τν processes. [...]
Published in JHEP 1810 (2018) 092 10.1007/JHEP10(2018)092 arXiv:1807.10745
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4. Note on gauge and gravitational anomalies of discrete Z N symmetries / Byakti, Pritibhajan ; Ghosh, Diptimoy ; Sharma, Tarun
In this note, we discuss the consistency conditions which a discrete Z N symmetry should satisfy in order that it is not violated by gauge and gravitational instantons. [...]
Published in JHEP 1801 (2018) 015 10.1007/JHEP01(2018)015 arXiv:1707.03837
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5. Lepton electric dipole moment and strong CP violation / Ghosh, Diptimoy ; Sato, Ryosuke
Contribution of the strong CP angle, θ¯ , to the Wilson Coefficients of electron and muon electric dipole moment (EDM) operators are discussed. [...]
Published in Physics letters B (2017) 10.1016/j.physletb.2017.12.052
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6. Role of tensor operators in R K and RK⁎ / Bardhan, Debjyoti ; Byakti, Pritibhajan ; Ghosh, Diptimoy
The recent LHCb measurement of RK⁎ in two q2 bins, when combined with the earlier measurement of RK , strongly suggests lepton flavour non-universal new physics in semi-leptonic B meson decays. [...]
Published in Physics letters B (2017) 10.1016/j.physletb.2017.08.062
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7. A closer look at the R D and R D* anomalies / Bardhan, Debjyoti ; Byakti, Pritibhajan ; Ghosh, Diptimoy
The measurement of R D ( R D * ), the ratio of the branching fraction of B ¯ → D τ ν ¯ τ B ¯ → D ∗ τ ν ¯ τ $$ \overline{B}\to D\tau {\overline{\nu}}_{\tau}\left(\overline{B}\to {D}^{\ast}\tau {\overline{\nu}}_{\tau}\right) $$ to that of B ¯ → D l ν ¯ l B ¯ → D ∗ l ν ¯ l $$ \overline{B}\to Dl{\overline{\nu}}_l\left(\overline{B}\to {D}^{\ast }l{\overline{\nu}}_l\right) $$ , shows 1 . [...]
Published in JHEP 1701 (2017) 125 10.1007/JHEP01(2017)125 arXiv:1610.03038
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8. Extending the analysis of electroweak precision constraints in composite Higgs models / Ghosh, Diptimoy ; Salvarezza, Matteo ; Senia, Fabrizio
In this paper we present a detailed analysis of the Electroweak Precision Observables (EWPO) in composite Higgs models based on the coset SO(5)/SO(4) . [...]
Published in Nuclear Physics B (2016) 10.1016/j.nuclphysb.2016.11.013
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9. The 750 GeV diphoton resonance as an sgoldstino: a reappraisal / Bardhan, Debjyoti ; Byakti, Pritibhajan ; Ghosh, Diptimoy ; Sharma, Tarun
Among the various explanations of the possible 750 GeV diphoton resonance, the possibility of it being an sgoldstino is an attractive one, as it is related to the spontaneous breaking of global supersymmetry. [...]
Published in JHEP 1606 (2016) 129 10.1007/JHEP06(2016)129 arXiv:1603.05251
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10. Is the Higgs mechanism of fermion mass generation a fact? A Yukawa-less first-two-generation model / Ghosh, Diptimoy ; Gupta, Rick Sandeepan ; Perez, Gilad
It is now established that the major source of electroweak symmetry breaking (EWSB) is due to the observed Higgs particle. [...]
Published in Physics letters B (2016) 10.1016/j.physletb.2016.02.059
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