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543 papers · 1 filter
More uses for Thermal Models
Natasha Sharma, Lokesh Kumar, Sourendu Gupta
We explore combinations of particle and anti-particle yields which can be used to test thermal models in a parameter free way. We also explore combinations which can be used to ext…
Enhancing the sensitivity to neutrino oscillation parameters using synergy between T2K, NOA and JUNO
Srubabati Goswami, Aman Gupta, Ushak Rahaman +1
We study the impact of combining the present NOA and T2K data with simulated data from the JUNO experiment on the determination of the leptonic CP phase and the neutrino mass hi…
An EFT study of the process at the FCC-
Shankha Banerjee, Rick S. Gupta, Shilpi Jain +2
We carry out an Effective Field Theory (EFT) study of the process in the $4b + 3 \ell + \ge 2j + \slashed{E}_T$ final state. This process can uniquely probe t…
The role of the pion mass on the QCD phase diagram in the plane
Chowdhury Aminul Islam, Mahammad Sabir Ali, Rishi Sharma
We investigated the role of the pion mass on the QCD phase diagram in the plane using an effective model treatment. Such treatments are able to capture the main features pre…
Sufficient and Necessary Conditions for Collective Neutrino Instability: Fast, Slow, and Mixed
Basudeb Dasgupta, Dwaipayan Mukherjee
Collective neutrino oscillations exhibit instabilities that induce appreciable flavor conversion, with crucial astrophysical implications. While the importance of initial phase-spa…
Constraining the Coexistence of Freeze-in Dark Matter and Primordial Black Holes
Prolay Chanda, Sagnik Mukherjee, James Unwin
Particle dark matter and primordial black holes (PBH) might coexist with appreciable cosmic abundances, with both contributing to the observed dark matter density . Lar…
Indications for new scalar resonances at the LHC and a possible interpretation
Anirban Kundu, Poulami Mondal, Gilbert Moultaka
Over the last few years, the CMS and ATLAS collaborations at the Large Hadron Collider (LHC) have reported excesses that could hint at several new scalar resonances. Although none…
Energy-scaling behavior of intrinsic transverse momentum parameters in Drell-Yan simulation
CMS Collaboration
An analysis is presented based on models of the intrinsic transverse momentum (intrinsic ) of partons in nucleons by studying the dilepton transverse momentum in Drel…
QCD phase diagram in the plane for varying pion mass
Mahammad Sabir Ali, Chowdhury Aminul Islam, Rishi Sharma
We study the effect of a varying pion mass on the quantum chromodynamics (QCD) phase diagram in the presence of an external magnetic field, aiming to understand it, for the first t…
QCD Phase Diagram and the Finite Volume Fireball: A Model Study
Adiba Shaikh, Ranjita K. Mohapatra, Saumen Datta
Experimental investigations of the phase diagram of strongly interacting matter involve collisions of heavy ions at ultrarelativistic velocities. The medium created in such a colli…
Subdiffusion of heavy quark in hot QCD matter by the fractional Langevin equation
Jai Prakash
The subdiffusion phenomena are studied for heavy quarks dynamics in the hot QCD matter. My approach aims to provide a more realistic description of heavy quark dynamics through det…
Phase transition and gravitational waves in maximally symmetric composite Higgs model
Avik Banerjee, Marco Merchand, Ignacy Nałęcz
In this paper we study phase transitions in a maximally symmetric composite Higgs model with next-to-minimal coset, where a pseudoscalar singlet emerges alongside the Higgs doublet…
Vector-like quarks: status and new directions at the LHC
Avik Banerjee, Elin Bergeaas Kuutmann, Venugopal Ellajosyula +3
Experimental searches for vector-like quarks have until now only considered their decays into Standard Model particles. However, various new physics scenarios predict additional sc…
Constraining the core radius and density jumps inside Earth using atmospheric neutrino oscillations
Anuj Kumar Upadhyay, Anil Kumar, Sanjib Kumar Agarwalla +1
Atmospheric neutrinos probe the interior of Earth using weak interactions, and provide information complementary to that of gravitational and seismic measurements. While passing th…
A machine learning-based study of open-charm hadrons in proton-proton collisions at the Large Hadron Collider
Kangkan Goswami, Suraj Prasad, Neelkamal Mallick +2
n proton-proton and heavy-ion collisions, the study of charm hadrons plays a pivotal role in understanding the QCD medium and provides an undisputed testing ground for the theory o…
Continuous Gravitational Waves: A New Window to Look for Heavy Non-annihilating Dark Matter
Sulagna Bhattacharya, Andrew L. Miller, Anupam Ray
Sun-like stars can transmute into comparable mass black holes by steadily accumulating heavy non-annihilating dark matter particles over the course of their lives. If such stars fo…
Probing the interior of Earth using oscillating neutrinos at INO-ICAL
Anil Kumar, Anuj Kumar Upadhyay, Sanjib Kumar Agarwalla +1
Atmospheric neutrinos offer the possibility of exploring the internal structure of Earth. This information is complementary to the traditional probes of seismic and gravitational s…
LHCb potential to discover long-lived new physics particles with lifetimes above 100 ps
Volodymyr Gorkavenko, Brij Jashal, Valerii Kholoimov +6
For years, it has been believed that the main LHC detectors can only restrictively play the role of a lifetime frontier experiment exploring the parameter space of long-lived parti…
New physics implications of VBF searches exemplified through the Georgi-Machacek model
Manimala Chakraborti, Dipankar Das, Nivedita Ghosh +2
LHC searches for nonstandard scalars in vector boson fusion (VBF) production processes can be particularly efficient in probing scalars belonging to triplet or higher multiplet rep…
CKM matrix parameters from the exceptional Jordan algebra
Aditya Ankur Patel, Tejinder P. Singh
We report a theoretical derivation of the Cabibbo-Kobayashi-Maskawa (CKM) matrix parameters and the accompanying mixing angles. These results are arrived at from the exceptional Jo…
Polarized cross sections in Higgsstrahlung for the determination of anomalous couplings
Kumar Rao, Saurabh D. Rindani, Priyanka Sarmah +1
The production of a Higgs boson in association with a at an electron-positron collider is one of the cleanest methods for the measurement of the couplings of the Higgs boson. I…
The Higgs Boson and its Physics -- an Overview
Sreerup Raychaudhuri
The Higgs boson plays a central role in the Standard Model, as well as in theories which go beyond it. This article is therefore divided into two parts. The first takes s historica…
Tagging a Boosted Top quark with a final state
Amit Chakraborty, Amandip De, Rohini M. Godbole +1
Boosted top quark tagging is one of the challenging, and at the same time exciting, tasks in high energy physics experiments, in particular in the exploration of new physics signal…
Indian Contributions to LHC Theory
Sreerup Raychaudhuri
Indian scientists began to work on the theoretical aspects of LHC physics from the early 1980s, at the same time when the rest of the world started taking interest in this then-fut…