Search Results - "Rusa Mandal"
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Fermionic dark matter in leptoquark portal
Published in The European physical journal. C, Particles and fields (01-09-2018)“…We investigate a beyond standard model (SM) portal scenario for dark matter (DM) particle with leptoquark being the mediator field. Leptoquark, a colored…”
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Constraints on scalar leptoquarks from lepton and kaon physics
Published in The journal of high energy physics (01-12-2019)“…A bstract We present a comprehensive analysis of low-energy signals of hypothetical scalar leptoquark interactions in lepton and kaon transitions. We derive…”
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Revisiting scalar leptoquark at the LHC
Published in The European physical journal. C, Particles and fields (01-06-2018)“…We investigate the Standard Model (SM) extended with a colored charged scalar, leptoquark, having fractional electromagnetic charge - 1 / 3 . We mostly focus…”
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The role of right-handed neutrinos in b→cτv¯ anomalies
Published in The journal of high energy physics (01-08-2020)“…A bstract Motivated by the persistent anomalies reported in the b → cτ v ¯ data, we perform a general model-independent analysis of these transitions, in the…”
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Constraining flavour patterns of scalar leptoquarks in the effective field theory
Published in The journal of high energy physics (01-03-2021)“…A bstract We investigate the viability of extending the Standard Model with S 1 and S 3 scalar leptoquarks when the flavour structure is parametrized in terms…”
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Addressing -Anomalies with Leptoquarks
Published in Moscow University physics bulletin (2022)“…In view of the current tensions observed in -meson decays, we discuss the possibility of extending the Standard Model with scalar leptoquarks when the flavor…”
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7
Inverse moment of the B s -meson distribution amplitude from QCD sum rule
Published in The journal of high energy physics (07-10-2020)“…Abstract We derive a QCD sum rule for the inverse moment of the B s -meson light-cone distribution amplitude in HQET. Within this method, the SU(3) f l…”
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8
b-Quark physics as a precision laboratory: a collection of articles on the present status and future prospects
Published in The European physical journal. ST, Special topics (01-04-2024)Get full text
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Constraining inverse moment of B-meson distribution amplitude using Lattice QCD data
Published in Physics letters. B (01-01-2024)“…We constrain the inverse moment of the B-meson light-cone distribution amplitude (LCDA), λB in heavy quark effective theory, using form factor estimates from…”
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10
Distinguishing signatures of scalar leptoquarks at hadron and muon colliders
Published in The European physical journal. C, Particles and fields (01-10-2022)“…While the hunt for new states beyond the standard model (SM) goes on for various well motivated theories, the leptoquarks are among the most appealing…”
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Scrutinizing right-handed neutrino portal dark matter with Yukawa effect
Published in Physics letters. B (10-01-2019)“…Analyzing the neutrino Yukawa effect in the freeze-out process of a generic dark matter candidate with right-handed neutrino portal, we identify the parameter…”
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12
RK(⁎) and R(D(⁎)) anomalies resolved with lepton mixing
Published in Nuclear physics. B (01-08-2018)“…In a recent paper [1], we had advanced a minimal resolution of some of the persistent anomalies in semileptonic B-decays. These include the neutral-current…”
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13
Scalar dark matter in leptophilic two-Higgs-doublet model
Published in Physics letters. B (10-04-2018)“…Two-Higgs-Doublet Model of Type-X in the large tanβ limit becomes leptophilic to allow a light pseudo-scalar A and thus provides an explanation of the muon…”
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14
B → D1(2420) and B → D1′(2430) form factors from QCD light-cone sum rules
Published in The journal of high energy physics (01-05-2022)“…A bstract We perform the first calculation of form factors in the semileptonic decays B → D 1 (2420) ℓν ℓ and B → D 1 ′ (2430) ℓν ℓ using QCD light-cone sum…”
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15
Phenomenology of Higgs bosons in inverse seesaw model with Type-X two Higgs doublet at the LHC
Published in The journal of high energy physics (01-08-2019)“…A bstract Type-X two Higgs doublet model is known to explain the muon g − 2 anomaly with a relatively light charged Higgs boson at large tan β . The light…”
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16
Inverse moment of the Bs-meson distribution amplitude from QCD sum rule
Published in The journal of high energy physics (01-10-2020)“…A bstract We derive a QCD sum rule for the inverse moment of the B s -meson light-cone distribution amplitude in HQET. Within this method, the SU(3) f l…”
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17
Addressing $$\boldsymbol{B}$$-Anomalies with Leptoquarks
Published in Moscow University physics bulletin (01-04-2022)Get full text
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18
B→D0∗ and Bs→Ds0∗ form factors from QCD light-cone sum rules
Published in The journal of high energy physics (01-12-2023)“…A bstract We present the first application of QCD light-cone sum rules (LCSRs) with B ( s ) -meson distribution amplitudes to the B s → D s 0 ∗ form factors,…”
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Probing the inverse moment of Bs-meson distribution amplitude via Bs→ ηs form factors
Published in The journal of high energy physics (28-06-2024)“…A bstract We investigate the inverse moment of the B s -meson light-cone distribution amplitude (LCDA), denoted as λ B s and defined within the heavy quark…”
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B\to {D}_0^{\ast } $$ and $$ {B}_s\to {D}_{s0}^{\ast } $$ form factors from QCD light-cone sum rules
Published in The journal of high energy physics (01-12-2023)“…A bstract We present the first application of QCD light-cone sum rules (LCSRs) with B ( s ) -meson distribution amplitudes to the $$ {B}_{(s)}\to…”
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