A5115598463- High-Energy Particle Collisions Research
- Particle physics theoretical and experimental studies
- Quantum Chromodynamics and Particle Interactions
- Statistical Mechanics and Entropy
- Particle Detector Development and Performance
- Cosmology and Gravitation Theories
- Theoretical and Computational Physics
- Dark Matter and Cosmic Phenomena
- Pulsars and Gravitational Waves Research
- Stochastic processes and statistical mechanics
- Gas Dynamics and Kinetic Theory
- Earth Systems and Cosmic Evolution
- Nuclear reactor physics and engineering
- Statistical Methods and Bayesian Inference
- Spectroscopy and Laser Applications
- Cold Atom Physics and Bose-Einstein Condensates
- Fluid Dynamics and Turbulent Flows
- Financial Risk and Volatility Modeling
- High-pressure geophysics and materials
- Complex Systems and Time Series Analysis
- Advanced Thermodynamics and Statistical Mechanics
- Computational Physics and Python Applications
- Physics of Superconductivity and Magnetism
- Advanced Fiber Optic Sensors
- Thermal properties of materials
Indian Institute of Technology Bombay
2016-2025
Technical University of Munich
2021
Indian Institute of Technology Gandhinagar
2021
Indian Institute of Technology Goa
2021
Campbell Collaboration
2008
Institute of Physics, Bhubaneshwar
2007
Measurement of higher-order cumulants conserved quantities, like net-charge, net-baryon, and net-strangeness in heavy-ion collisions, is proposed as a sensitive tool to determine the freeze-out parameters nature phase transitions at CERN Large Hadron Collider (LHC) energies. Baseline measurements for collisions are essential understand experimental observations. Recently, several observations have shown QGP-like scenarios small systems (đâ˘đ collisions). The first Monte-Carlo study their...
In this work, we have studied, for the first time, impact of a realistic picture time dependent electric and magnetic field on shear bulk viscosities medium. Both fields are considered to be exponentially decaying with study is valid in regime where strength weak ($eB\ll T^2$). The evaluation has been done kinetic theory framework wherein solved relativistic Boltzmann transport equation within relaxation approximation collision kernel. We shown that constant results as well $B=0$ literature...
Estimations of event-by-event mean transverse momentum ($\langle p_{\rm T} \rangle$) fluctuations are reported in terms the integral correlator, $\langle \Delta T}\rangle$, and skewness event-wise \rangle$ distribution proton$-$proton (pp) collisions at $\sqrt{s}=13$ TeV with Monte Carlo event generators PYTHIA8 HERWIG7. The final-state charged particles ($p_{\rm T}$) pseudorapidity ($\eta$) ranges $0.15 \leq T}\leq 2.0$ GeV/$c$ $|\eta| 0.8$ were considered for investigation. is observed to...
The discovery of hot and dense quantum chromodynamics (QCD) matter, known as QuarkâGluon Plasma (QGP), is an essential milestone in understanding the finite temperature QCD medium. Experimentalists around world collect unprecedented amount data heavy ion collisions, at Relativistic Heavy Ion Collider (RHIC), Brookhaven National Laboratory (BNL) New York, USA, Large Hadron (LHC), CERN Geneva, Switzerland. experimentalists analyze these to unravel mystery this new phase matter that filled a...
The heavy quark drag and momentum diffusion coefficients in the presence of both collisional radiative processes have been studied a hot viscous QCD medium. thermal medium effects are incorporated by employing effective fugacity quasiparticle model based on lattice equation state. Viscous embedded into transport through near-equilibrium distribution functions constituent particles quark-gluon plasma. corrections to distributions estimated from Boltzmann equation. effect shear correction is...
The $p\text{\ensuremath{-}}p$ collisions at high multiplicity LHC show small scale collective effects similar to that observed in heavy ion such as enhanced production of strange and multistrange hadrons, long range azimuthal correlations, etc. observation strangeness enhancement $\sqrt{s}=7\text{ }\text{ }\mathrm{TeV}$ 13 TeV measured by the ALICE experiment is explored using pythia8 event generator within framework microscopic rope hadronization model which assumes formation ropes due...
Abstract We have studied the momentum transport properties of a hot and dense QCD matter in presence weak magnetic field by determining shear ( $$\eta $$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mi>Ρ</mml:mi> </mml:math> ) bulk $$\zeta <mml:mi>Μ</mml:mi> viscosities relaxation time approximation kinetic theory. The dependence on temperature has been explored B -field) finite chemical potential $$\mu <mml:mi>Ο</mml:mi> ). It is observed that both get decreased field,...
We introduce the use of Weibull distribution as a simple parametrization charged particle multiplicities in hadron-hadron collisions at all available energies, ranging from ISR energies to most recent LHC energies. In statistics, has wide applicability natural processes that involve fragmentation processes. This provides connection state-of-the-art models for multiparticle production collisions, which QCD parton and hadronization. The describes multiplicity data better than single negative...
The two-parameter Weibull function is used to describe the charged particle multiplicity distribution in ${e}^{+}{e}^{\ensuremath{-}}$ collisions at highest available energy measured by TASSO and ALEPH experiments. has wide applications naturally evolving processes based on fragmentation sequential branching. model describes very well, as production involve QCD parton fragmentation. effective of was verified using parameters same predict future collider energies.
Abstract We have studied the impact of nonextensivity on transport coefficients related to charge and heat in thermal QCD. For this purpose, electrical ( $$\sigma _\textrm{el}$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msub> <mml:mi>Ď</mml:mi> <mml:mtext>el</mml:mtext> </mml:msub> </mml:math> ), Hall _\textrm{H}$$ <mml:mtext>H</mml:mtext> $$\kappa $$ <mml:mi>Îş</mml:mi> ) Hall-type conductivities are determined using kinetic theory approach association with nonextensive...
The multiplicity dependence of the production charm mesons in pp collisions at [Formula: see text][Formula: text]TeV and 13[Formula: as measured by ALICE experiment has been investigated using Pythia 8 event generator studying effect various processes partonic level such different modes color reconnections rope hadronization. relative yields ([Formula: text]) D-mesons text] a function charged particle for transverse momentum ranges are reasonable agreement with estimations model within...
We have computed the charge and heat transport coefficients of hot QCD matter by solving relativistic Boltzmann equation using Bhatnagar-Gross-Krook (BGK) model approximation with a modified collision integral in weak magnetic-field regime. This enhances both phenomena which can be understood large values above-mentioned comparison to relaxation integral. also presented comparative study like electrical conductivity (${\ensuremath{\sigma}}_{el}$), Hall (${\ensuremath{\sigma}}_{H}$), thermal...
Anomalous event-by-event fluctuations of the relative yields neutral (${K}_{s}^{0}$) and charged kaon (${K}^{\ifmmode\pm\else\textpm\fi{}}$) have been predicted to yield a signature for formation disoriented chiral condensate (DCC) in relativistic heavy-ion collisions. In this work, we model production decay DCCs context collisions at CERN Large Hadron Collider, estimate sensitivity large acceptance detectors, such as ALICE detector, towards identification anomalous decays. Our study is...
Abstract The bottom quark transport coefficients, i.e., drag and diffusion have been studied for the collisional soft gluon radiative processes within viscous QCD medium. thermal medium effects are incorporated using effective fugacity quasiparticle model (EQPM). Both shear bulk at leading order embedded through near-equilibrium distribution functions of quarkâgluon plasma (QGP) constituent quasiparticles. coefficientsâ dependence on quarkâs initial momentum QGP temperature investigated....
We estimate the transport coefficients like shear and bulk viscosities of hot hadronic matter in van der Walls hadron resonance gas ( VDW HRG ) model relaxation time approximation. also have compared these results with excluded volume EV calculations. $Ρ/s$ decreases as temperature system increases at a fixed baryon chemical potential. is always less than that case due to large entropy density case. At potential, $Μ/s$ estimated along freezeout curve. There an increase determined from...
A higher moment analysis of multiplicity distribution is performed using the Weibull description particle production in $pp\,(p\bar{p})$ collisions at SPS and LHC energies. The calculated normalized moments factorial are compared to measured data. found be good agreement with (up 5$^{\rm{th}}$ order) reproducing observed breaking KNO scaling for $pp$ $\sqrt{s}$ = 13 TeV also predicted.
The observation of long range ridge-like structure in the near-side region two particle $\mathrm{\ensuremath{\Delta}}\ensuremath{\eta}\ensuremath{-}\mathrm{\ensuremath{\Delta}}\ensuremath{\phi}$ correlations as measured by CERN Large Hadron Collider experiments high multiplicity $p\text{\ensuremath{-}}p$ collisions indicated towards presence collective effects which are similar to that observed $p\text{\ensuremath{-}}A$(nucleon-nucleus) and $A\text{\ensuremath{-}}A$ (nucleus-nucleus)...
Abstract Resonance production in protonâproton collisions at $$\sqrt{s} = 7$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msqrt><mml:mi>s</mml:mi></mml:msqrt><mml:mo>=</mml:mo><mml:mn>7</mml:mn></mml:mrow></mml:math> TeV and 13 have been investigated using a Pythia 8 event generator within the framework of microscopic processes including color reconnection rope hadronization. Specifically, observable effects different modes reconnections on ratio yields mesonic...
This work focuses on the influence of nonextensivity transport properties related to charge and heat in a magnetized hot QCD medium. We have determined electrical conductivity, Hall thermal conductivity Hall-type using nonextensive Tsallis framework within kinetic theory approach. The deviation parameter q from 1 distribution function expresses degree nonextensivity. is beneficial use, because matter produced heavy ion collisions not exactly locally equilibrated state, rather it may slightly...
In the present work, we have studied how rotation of QGP medium affects transport coefficients and observables in heavy ion collisions. For noncentral collisions, although most angular momentum gets carried away by spectators, there still remains a finite with range velocity, which thus incites produced matter. As result, various properties are likely to be modulated rotation. We calculated observables, such as electrical conductivity, thermal Knudsen number, elliptic flow, specific heat at...
Event-by-event fluctuations of the charged particle multiplicity are studied for a wide range centralities Au$-$Au collisions at $\sqrt{s_{NN}}$ = 200 GeV, Pb$-$Pb 2.76 TeV and 5.02 using Pythia 8 Angantyr model. The centrality dependence $\omega_{ch}$ observable, which quantifies in terms scaled variance is different pseudorapidity ranges has been compared with those obtained from simple participant superposition was found to be lower than expectations estimate would act like baseline...