101 citations · 686 across the 31 of their papers we have counts for
31 papers
Complex Scalar Dark Matter with a Vector-Like Quark and Lepton: Precision, Flavor, and HL-LHC
Lipika Kolay, Rusa Mandal, Manimala Mitra +2
We investigate a minimal extension of the SM consisting of a -stabilized complex scalar dark matter (CSDM) candidate, a down-type vector-like quark (VLQ), and a charg…
Correlated and Rare Semileptonic Transitions in the Standard Model Effective Field Theory
Nilakshi Das, Rusa Mandal, Praveen S Patil
The persistent anomalies observed in transitions continue to provide strong motivation for exploring possible extensions of the Standard Model (S…
Connecting Flavor and Baryon Asymmetry via Leptogenesis in Effective Froggatt-Nielsen Theory
Cheshta Batra, Rusa Mandal, Kunal Rawat +1
We investigate the hierarchical flavor structure of the Standard Model (SM) in a Froggatt-Nielsen (FN) framework, where the spontaneous breaking of a symmetry by a…
Investigating non-local contributions in including higher-twist effects
M. S. A. Alam Khan, Rusa Mandal, Praveen S Patil +1
We analyze the impact of higher-twist three-particle -meson light-cone distribution amplitudes (LCDAs) on the non-local form factors for the transiti…
Probing the inverse moment of -meson distribution amplitude via form factors
Rusa Mandal, Praveen S Patil, Ipsita Ray
We investigate the inverse moment of the -meson light-cone distribution amplitude (LCDA), denoted as and defined within the heavy quark effective theory, through the…
and form factors from QCD light-cone sum rules
Nico Gubernari, Alexander Khodjamirian, Rusa Mandal +1
We present the first application of QCD light-cone sum rules (LCSRs) with -meson distribution amplitudes to the form factors, where $D_{(s)0}^*…
Constraining inverse moment of -meson distribution amplitude using Lattice QCD data
Rusa Mandal, Soumitra Nandi, Ipsita Ray
We constrain the inverse moment of the -meson light-cone distribution amplitude (LCDA), in heavy quark effective theory, using form factor estimates from Lattice QCD colla…
Exploring Freeze-out and Freeze-in Dark Matter via Effective Froggatt-Nielsen Theory
Rusa Mandal, Tom Tong
Motivated by the dynamical reasons for the hierarchical structure of the Yukawa sector of the Standard Model (SM), we consider an extension of the SM with a complex scalar field, k…
and form factors from QCD light-cone sum rules
Nico Gubernari, Alexander Khodjamirian, Rusa Mandal +1
We perform the first calculation of form factors in the semileptonic decays and using QCD light-cone sum rules (…
A new Monte Carlo Generator for BSM physics in decays with an application to lepton non-universality in angular distributions
A. Sibidanov, T. E. Browder, S. Dubey +5
Within the widely used EvtGen framework, we have added a new event generator model for with improved standard model (SM) decay amplitudes and possible BSM…
Distinguishing signatures of scalar leptoquarks at hadron and muon colliders
Priyotosh Bandyopadhyay, Anirban Karan, Rusa Mandal +1
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 scenarios at recent times due…
Impact of measurements on beyond the Standard Model theories
Thomas E. Browder, Nilendra G. Deshpande, Rusa Mandal +1
Semileptonic flavor changing neutral current transitions with a pair of neutrinos in the final state are very accurately determined in the standard model (SM) and thus provide an a…
Constraining flavour patterns of scalar leptoquarks in the effective field theory
Marzia Bordone, Oscar Cata, Thorsten Feldmann +1
We investigate the viability of extending the Standard Model with and scalar leptoquarks when the flavour structure is parametrized in terms of Froggatt-Nielsen charges…
Inverse moment of the -meson distribution amplitude from QCD sum rule
Alexander Khodjamirian, Rusa Mandal, Thomas Mannel
We derive a QCD sum rule for the inverse moment of the -meson light-cone distribution amplitude in HQET. Within this method, the symmetry violation is traced to t…
Feeble neutrino portal dark matter at neutrino detectors
Priyotosh Bandyopadhyay, Eung Jin Chun, Rusa Mandal
We explore the neutrino portal dark matter (DM) at its minimum of field content having two dark sector particles coupled to a right-handed neutrino. Assuming the feeble nature of t…
The role of right-handed neutrinos in anomalies
Rusa Mandal, Clara Murgui, Ana Peñuelas +1
Motivated by the persistent anomalies reported in the data, we perform a general model-independent analysis of these transitions, in the presence of light right-hand…
Angular analysis of decay and new physics
Rusa Mandal
We derive the four-fold angular distribution for the semileptonic decay where (2460) is a tensor meson. We start with the most genera…
Constraints on scalar leptoquarks from lepton and kaon physics
Rusa Mandal, Antonio Pich
We present a comprehensive analysis of low-energy signals of hypothetical scalar leptoquark interactions in lepton and kaon transitions. We derive the most general effective four-f…
Phenomenology of Higgs bosons in inverse seesaw model with Type-X two Higgs doublet at the LHC
Priyotosh Bandyopadhyay, Eung Jin Chun, Rusa Mandal
Type-X two Higgs doublet model is known to explain the muon anomaly with a relatively light charged Higgs boson at large . The light charged Higgs boson has been searc…
Testing vertex in radiative muon decay
Anirban Karan, Rusa Mandal, Rahul Sinha
Large numbers of muons will be produced at facilities developed to probe lepton flavor violating process . We show that by constructing a suitable asymmetry, radiative muo…
Fermionic dark matter in leptoquark portal
Rusa Mandal
We investigate a beyond standard model (SM) portal scenario for dark matter (DM) particle with leptoquark being the mediator field. Leptoquark, a colored particle having both baryo…
Scrutinizing Right-Handed Neutrino Portal Dark Matter With Yukawa Effect
Priyotosh Bandyopadhyay, Eung Jin Chun, Rusa Mandal +1
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 regions satisfying th…
Revisiting scalar leptoquark at the LHC
Priyotosh Bandyopadhyay, Rusa Mandal
We investigate the Standard Model (SM) extended with a colored charged scalar, leptoquark, having fractional electromagnetic charge . We mostly focus on the decays of the lep…
and anomalies resolved with lepton mixing
Debajyoti Choudhury, Anirban Kundu, Rusa Mandal +1
In a recent paper arXiv:1706.08437, we have advanced a minimal resolution of some of the persistent anomalies in semileptonic -decays. These include the neutral-current observab…