126 citations · 645 across the 35 of their papers we have counts for
36 papers
Constraining the Higgs potential using multi-Higgs production
Jia-Le Ding, Zach Gillis, Ulrich Haisch +10
The Higgs self-couplings remain only weakly constrained by current Large Hadron Collider (LHC) measurements, leaving ample room for physics beyond the Standard Model that could mod…
Two-loop form factors for Dark Matter annihilation to colored Standard Model particles
Warsimakram Katapur, Ambresh Shivaji
We investigate a UV-complete model in which the dark matter (DM) particle interacts with gluons through a colored scalar mediator. This framework provides a phenomenologically viab…
Role of angular observables in probing non-standard couplings at an electron-proton collider
Pramod Sharma, Ambresh Shivaji
In this study, we explore various lab-frame angular observables at Large Hadron-electron Collider (LHeC) to test their sensitivity on the most general structure of the Higgs ()…
NLO QCD effects on angular observables in in presence of non-standard couplings
Biswajit Das, Pramod Sharma, Ambresh Shivaji
The single Higgs production in neutral-current (NC) and charged-current (CC) processes at an electron-proton () collider is a useful channel to probe new physics effects in the…
NLO QCD effects on angular observables in single Higgs production at electron-proton collider
Pramod Sharma, Biswajit Das, Ambresh Shivaji
Properties of the Higgs boson () at current and future particle colliders are crucial to explore new physics beyond the standard model. In particular, experimental and theoretic…
QCD corrections to the Golden decay channel of the Higgs boson
Mandeep Kaur, Maguni Mahakhud, Ambresh Shivaji +1
Future colliders aim to provide highly precise experimental measurements of the properties of the Higgs boson. In order to benefit from these precision machines, theoretical errors…
Probing non-standard couplings in single Higgs production at future electron-proton collider
Pramod Sharma, Ambresh Shivaji
The couplings of the Higgs boson () with massive gauge bosons of weak interaction (), can be probed in single Higgs boson production at the proposed future Large Hadron…
Master integrals for corrections to
Ekta Chaubey, Mandeep Kaur, Ambresh Shivaji
We present analytic results for all the Feynman integrals relevant for virtual corrections to decay. We use the method of differential equ…
Higgs boson potential at colliders: status and perspectives
B. Di Micco, M. Gouzevitch, J. Mazzitelli +104
This document summarises the current theoretical and experimental status of the di-Higgs boson production searches, and of the direct and indirect constraints on the Higgs boson se…
Di-vector boson production in association with a Higgs boson at hadron colliders
Pankaj Agrawal, Debashis Saha, Ambresh Shivaji
We consider the production of a Higgs boson in association with two electroweak vector bosons at hadron colliders. In particular, we examine , , , and …
Direct measurement of the Higgs self-coupling in
Junya Nakamura, Ambresh Shivaji
A new method to measure the trilinear Higgs self-coupling in a single Higgs production process is proposed. Time-reversal-odd (T-odd) asymmetries in the process $e^+_{}e^-…
Probing the scalar potential via double Higgs boson production at hadron colliders
Sophia Borowka, Claude Duhr, Fabio Maltoni +3
We present a sensitivity study on the cubic and quartic self couplings in double Higgs production via gluon fusion at hadron colliders. Considering the relevant operators in the St…
Trilinear Higgs coupling determination via single-Higgs differential measurements at the LHC
Fabio Maltoni, Davide Pagani, Ambresh Shivaji +1
We study one-loop effects induced by an anomalous Higgs trilinear coupling on total and differential rates for the decay and some of the main single-Higgs production c…
Production of and at the hadron colliders
Pankaj Agrawal, Debashis Saha, Ambresh Shivaji
We consider the production of two Higgs bosons in association with a gauge boson or another Higgs boson at the hadron colliders. We compute the cross sections and distributions for…
Higgs decay into four charged leptons in the presence of dimension-six operators
S. Boselli, C. M. Carloni Calame, G. Montagna +3
We study the indirect effects of New Physics in the Higgs decay into four charged leptons, using an Effective Field Theory (EFT) approach to Higgs interactions. We evaluate the dev…
Gluon fusion contribution to () at the LHC
Ambresh Shivaji, Pankaj Agrawal, Debashis Saha
We have calculated one-loop amplitudes for the production of Higgs boson in association with two electroweak bosons () via gluon-gluon fusion. We present preliminary results…
Physics at a 100 TeV pp collider: Standard Model processes
M. L. Mangano, G. Zanderighi, J. A. Aguilar Saavedra +73
This report summarises the properties of Standard Model processes at the 100 TeV pp collider. We document the production rates and typical distributions for a number of benchmark S…
Mono-jet Signatures of Gluphilic Scalar Dark Matter
Rohini M. Godbole, Gaurav Mendiratta, Ambresh Shivaji +1
A gluphilic scalar dark matter (GSDM) model has recently been proposed as an interesting vision for WIMP dark matter communicating dominantly with the Standard Model via gluons. We…
Unraveling the CP phase of top-Higgs coupling in associated production at the LHC
Saurabh D. Rindani, Pankaj Sharma, Ambresh Shivaji
We study the sensitivity of top polarization observables to the CP phase in the top Yukawa coupling in the process at the 14 TeV high-luminosity run of the Large…
Distinguishing CP-odd couplings of the Higgs boson to weak boson pairs
Siddharth Dwivedi, Dilip Kumar Ghosh, Biswarup Mukhopadhyaya +1
We consider the observable effects of CP-violating anomalous interaction arising from gauge invariant dimension-6 operators at the Large Hadron Collider (LHC), with the purpo…
Unravelling the non-standard top and Higgs couplings in associated top-Higgs production at the High-luminosity LHC
Saurabh D. Rindani, Pankaj Sharma, Ambresh Shivaji
We study the sensitivities of non-standard top and Higgs couplings in the process at the 14 TeV high-luminosity run of Large Hadron Collider (HL-LHC). We calculate top…
NLO QCD corrections to the resonant Vector Diquark production at the LHC
Kasinath Das, Swapan Majhi, Santosh Kumar Rai +1
With the upcoming run of the Large Hadron Collider (LHC) at much higher center of mass energies, the search for Beyond Standard Model (BSM) physics will again take center stage. Ne…
Constraints on CP-violating gauge-Higgs operators
Siddharth Dwivedi, Dilip Kumar Ghosh, Biswarup Mukhopadhyaya +1
We consider the most general set of invariant CP-violating operators of dimension six, which contribute to interactions (). Our aim is to con…
Gluon Fusion Contribution to Production at Hadron Colliders
Pankaj Agrawal, Ambresh Shivaji
We study the associated production of an electroweak vector boson and the Higgs boson with a jet via gluon-gluon fusion. At the leading order, these processes occur at one-loop lev…