74 citations · 802 across the 36 of their papers we have counts for
34 papers · 1 filter
Phenomenology of the simplest linear seesaw mechanism
Aditya Batra, Praveen Bharadwaj, Sanjoy Mandal +2
The linear seesaw mechanism provides a simple way to generate neutrino masses. In addition to Standard Model particles, it includes quasi-Dirac leptons as neutrino mass mediators,…
Testing electroweak scale seesaw models at and colliders
Arindam Das, Sanjoy Mandal, Sujay Shil
We investigate the possibilities of probing the electroweak scale seesaw scenarios such as type-I, type-II and type-III seesaw at and colliders. For the case of type-I…
Large lepton number violation at colliders: predictions from the minimal linear seesaw mechanism
Aditya Batra, Praveen Bharadwaj, Sanjoy Mandal +2
Small neutrino masses can be sourced by a tiny vacuum expectation value of a leptophilic Higgs doublet, and mediated by Quasi-Dirac heavy neutrinos. In such simplest linear seesaw…
Fermionic Dark Matter in Dynamical Scotogenic Model
Eung Jin Chun, Abhishek Roy, Sanjoy Mandal +1
In the Dynamical Scotogenic Model, the global symmetry is supposed to be broken spontaneously resulting in a massless Goldstone boson called majoron, and massive right handed…
model in light of the CDF II result
Sanjoy Mandal, Hemant Prajapati, Rahul Srivastava
Recent CDF II collaboration's result on mass measurements contradict Standard Model prediction, requiring new physics to explain this anomaly. Such new physics may manifest thr…
Re-examining -EFT Upto Dimension Six
Manimala Mitra, Sanjoy Mandal, Rojalin Padhan +2
The gauge singlet right-handed neutrinos (RHNs) are essential fields in several neutrino mass models that explain the observed eV scale neutrino mass. We assume RHN field to be pre…
Decay: Smoking Gun Signature of Wrong-Sign Coupling
Aditya Batra, Sanjoy Mandal, Rahul Srivastava
We perform a model-independent study of new physics effects in the Higgs decay , focusing on scenarios that spoil the accidental cancellation between the direct and indir…
W-mass Anomaly in the Simplest Linear Seesaw Mechanism
Aditya Batra, Praveen Bharadwaj, Sanjoy Mandal +2
The simplest linear seesaw mechanism can accommodate the new CDF-II mass measurement. In addition to Standard Model particles, the model includes quasi-Dirac leptons, and a sec…
W boson mass in Singlet-Triplet Scotogenic dark matter model
Aditya Batra, ShivaSankar K. A, Sanjoy Mandal +1
The recent high precision measurement of boson mass by CDF-II collaboration points to the contribution(s) of new physics beyond the Standard Model. One of the minimalistic ways…
CDF-II Boson Mass Anomaly in the Canonical Scotogenic Neutrino-Dark Matter Model
Aditya Batra, ShivaSankar K. A, Sanjoy Mandal +2
The CDF-II collaboration's recent high-precision measurement of boson mass indicates new physics contribution(s) beyond the Standard Model. We investigate the possibility of th…
Towards deconstructing the simplest seesaw mechanism
Sanjoy Mandal, O. G. Miranda, G. Sanchez Garcia +2
The triplet or type-II seesaw mechanism is the simplest way to endow neutrinos with mass in the Standard Model (SM). Here we review its associated theory and phenomenology, includi…
Heavy Majorana neutrino pair production from at hadron and lepton colliders
Arindam Das, Sanjoy Mandal, Takaaki Nomura +1
A gauged U extension of the Standard Model (SM) is a simple and anomaly free framework where three generations of Majorana type right-handed neutrinos (RHNs) are introduced to…
High-energy colliders as a probe of neutrino properties
Sanjoy Mandal, O. G. Miranda, G. Sanchez Garcia +2
The mediators of neutrino mass generation can provide a probe of neutrino properties at the next round of high-energy hadron (FCC-hh) and lepton colliders (FCC-ee/ILC/CEPC/CLIC). W…
Two-component scalar and fermionic dark matter candidates in a generic U model
Arindam Das, Shivam Gola, Sanjoy Mandal +1
We consider a extension of the Standard Model (SM), where the charge of an SM field is given by a linear combination of i…
Displaced Neutrino Jets at the LHeC
Giovanna Cottin, Oliver Fischer, Sanjoy Mandal +2
Extending the Standard Model with right-handed neutrinos (RHNs) is well motivated by the observation of neutrino oscillations. In the type-I seesaw model, the RHNs interact with th…
The simplest scoto-seesaw model: WIMP dark matter phenomenology and Higgs vacuum stability
Sanjoy Mandal, Rahul Srivastava, José W. F. Valle
We analyze the consistency of electroweak breaking, neutrino and dark matter phenomenology within the simplest scoto-seesaw model. By adding the minimal dark sector to the simplest…
Probing the minimal model at future electron-positron colliders via the fermion pair-production channel
Arindam Das, P. S. Bhupal Dev, Yutaka Hosotani +1
The minimal extension of the Standard Model (SM) is a well-motivated new physics scenario, where anomaly cancellation dictates new neutral gauge boson () couplin…
Dynamical inverse seesaw mechanism as a simple benchmark for electroweak breaking and Higgs boson studies
Sanjoy Mandal, Jorge C. Romão, Rahul Srivastava +1
The Standard Model(SM) vacuum is unstable for the measured values of the top Yukawa coupling and Higgs mass. Here we study the issue of vacuum stability when neutrino masses are ge…
Electroweak symmetry breaking in the inverse seesaw mechanism
Sanjoy Mandal, Rahul Srivastava, José W. F. Valle
We investigate the stability of Higgs potential in inverse seesaw models. We derive the full two-loop RGEs of the relevant parameters, such as the quartic Higgs self-coupling, taki…
Interference effect in lepton number violating and conserving meson decays for a left-right symmetric model
Rohini M. Godbole, Siddharth P. Maharathy, Sanjoy Mandal +2
We study the effect of interference on the lepton number violating~(LNV) and lepton number conserving~(LNC) three-body meson decays , that aris…
Bounds on the triplet fermions in type-III seesaw and implications for collider searches
Arindam Das, Sanjoy Mandal
Type-III seesaw is a simple extension of the Standard Model~(SM) with the SU triplet fermion with zero hypercharge. It can explain the origin of the tiny neutrino mas…
Testing triplet fermions at the electron-positron and electron-proton colliders using fat jet signatures
Arindam Das, Sanjoy Mandal, Tanmoy Modak
The addition of triplet fermions of zero hypercharge with the Standard Model (SM) helps to explain the origin of the neutrino mass by the so-called seesaw mechanism. Such…
Signatures of class of Leptoquarks at the upcoming colliders
Rojalin Padhan, Sanjoy Mandal, Manimala Mitra +1
We explore the signatures of the class of leptoquark (LQ) models at the proposed and colliders. We carry out an analysis for the proposed colliders LHe…
Same-Sign Tetralepton Signature at Large Hadron Collider, and future Collider
Eung Jin Chun, Sarif Khan, Sanjoy Mandal +2
We analyze a novel signature of the type II seesaw model - same-sign tetra-lepton signal arising from the mixing of neutral Higgs bosons and their subsequent decays to singly and d…