Conveners
Parallel Session: Parallel Session 1
- Chitrasen Jena (IISER Tirupati)
Parallel Session: Parallel Session 2
- Vikash Kumar Ojha (SVNIT)
Parallel Session: Parallel Session 4
- Arvind Kumar (Dr B R Ambedkar National Institute of Technology Jalandhar India)
Parallel Session: Parallel Session 5
- Sidharth Kumar Prasad (Bose Institute)
Parallel Session: Parallel Session 3
- Ajay Kumar Rai (Sardar vallabhbhai National Institute of Technology-Surat)
In addition to the magnetic field, a huge amount of vorticity is expected to be produced in non-central heavy-ion collisions at TeV energies. This vorticity or rotation ($\omega$) can affect the evolution of the system and, hence, the phase diagram of the QCD matter, which is one of the important research areas for both the theoretical and experimental high-energy physics community. In this...
We examine symmetric and asymmetric cumulants as well as rapidity-even dipolar flow in ${}^{16}$O+${}^{16}$O collisions at $\sqrt{s_{NN}} = 200$~GeV to explore $\alpha$-clustering phenomena in light nuclei within the viscous relativistic hydrodynamics framework. Imprints of $\alpha$-clustering manifest in the anisotropic flow coefficients and their correlations---particularly in observables...
Double parton scattering (DPS) processes provide a way to study the multi-parton interactions and spatial and momentum correlations within the hadrons. While traditional DPS studies use simple models like the "pocket formula", recent QCD-based approaches with parton splittings and correlations offer a more dynamic view. This study analyzes DPS at the LHC, focusing on same-sign WW, WZ, and ZZ...
The quark-gluon plasma (QGP), a transient state of deconfined quarks and gluons governed by quantum chromodynamics (QCD), existed microseconds after the Big Bang and can be recreated in ultra-relativistic heavy-ion collision experiments. Probing its properties requires a detailed understanding of the spatio-temporal structure of the particle-emitting sources at the time of freeze-out. In this...
In a recent study, it was proposed that the rapidity odd directed flow splitting of proton and anti-proton observed in relativistic heavy ion collisions can be explained by incorporating the baryon diffusion effect into the hydrodynamic evolution of the strongly interacting matter created in heavy-ion collisions. However, extracting this coefficient from hydrodynamic simulations is a...
In heavy-ion collisions, the pseudorapidity density distribution of charged particles is a fundamental observable that encodes important information about the collision dynamics. In this study, we analyze the pseudorapidity distributions of charged particles from Au+Au collisions at center-of-mass energies ranging from $\sqrt{s_{NN}} = 19.6$ GeV to 200 GeV (RHIC energies), and Pb+Pb collisions...
Low Gain Avalanche Detectors (LGADs) based on 4H-Silicon Carbide (SiC) are
promising for fast timing applications in high radiation environments, offering advan-
tages over traditional Si LGADs due to their superior material properties. A key chal-
lenge remains the design of robust edge termination that maintains high breakdown
and stable gain after heavy irradiation. In this work, we...
The ALICE collaborations at the LHC and the STAR collaboration at RHIC have observed the spin alignment of various vector mesons such as $\phi$, $K^{*0}$, $J/\psi$, and $\Upsilon$ (1S) in heavy-ion collisions. This spin alignment can be induced by the formation of a vorticity field during these collisions. In addition to the vorticity field, the magnetic field and momentum-space anisotropies...
We investigate the quenching of b-jets and c-jets in Pb–Pb collisions at $\sqrt{s_{NN}} = 5.02$ TeV using the JETSCAPE framework, incorporating multiple parton energy loss models including MATTER, LBT, and AdS/CFT. These models collectively capture both the perturbative and non-perturbative stages of in-medium jet evolution, enabling a comprehensive study of mass- and flavor-dependent jet...
From low-energy semiconductor devices to strongly interacting hadronic matter, the thermoelectric coefficients encode deep information about the system's dynamics in response to non-zero gradients. What makes thermoelectricity truly beautiful is its dual nature: it is both the window into the microscopic dynamics of constituents of matter and a bridge to macroscopic energy conversion, where...
The Gas Electron Multiplier (GEM) is a prominent class of Micro Pattern Gaseous Detectors (MPGDs), widely used in high-energy physics experiments, medical imaging, and radiation monitoring due to their excellent spatial resolution, high rate capability, and robustness against discharges. A GEM foil typically consists of a thin polyamide layer coated with copper on both sides, with a high...
The study explores how heavy quarkonia behave in a hot quark-gluon plasma (QGP) that is both magnetized and exhibits finite momentum anisotropy. The concept of inverse magnetic catalysis is considered, which impacts the Debye screening mass altered by the magnetic field, and in turn affects the effective quark masses. Our findings show that both the momentum anisotropy and inverse magnetic...
We constrain the nuclear matter equation of state within the relativistic mean field model by including the isoscalar-vector and isovector-vector coupling term at a fundamental level using the Bayesian analysis. We used the nuclear saturation properties and recent astrophysical observations to constrain the dense matter equation of state. We obtained about 20000 sets of equations of states out...
By constructing a formal solution to the moment equations of the Boltzmann equation within the relaxation time approximation, we identify the key step that allows relativistic hydrodynamics to capture non-gradient corrections: the elevation of anisotropies to independent dynamical fields with their own evolution equations. This highlights a conceptual distinction between the gradient expansion...
Charmonia ($c\bar{c}$) states are believed to undergo considerable suppression, if quark-gluon plasma (QGP) is formed in relativistic heavy-ion collisions. However, a precise identification of the "anomalous" suppression pattern and its interpretation as a signature of color deconfinement demands a detailed understanding of charmonium production and suppression in proton-nucleus ($p+A$)...
We investigate the transport properties of quark matter under conditions of momentum anisotropy using the Polyakov chiral quark mean-field (PCQMF) model. Momentum anisotropy naturally arises in systems out of equilibrium, such as the early stages of relativistic heavy-ion collisions or the interior of compact stars. Understanding the impact of such anisotropy on transport coefficients is...
The Wiedemann-Franz (WF) law states that the ratio of electrical and thermal conductivity, multiplied by temperature, remains constant in conventional metals- an outcome well-explained by Fermi gas and Fermi liquid theory[1]. However, this law breaks down in many-body systems. Notably, quark or hadronic matter produced in high-energy nuclear collisions at RHIC and LHC does not obey the WF...
The prime focus of the work is to determine the electric, thermal and thermoelectric transport coefficients of a hot pion gas in the presence of time-dependent background magnetic fields. The thermoelectric effect is analyzed by examining the magneto-Seebeck and Nernst coefficients in the hot pionic medium under such conditions. Furthermore, the phenomenologically relevant elliptic flow...
Gas Electron Multiplier (GEM) detectors are widely used in high-energy physics experiments because of their high rate handling capability and outstanding position resolution. In the Muon Chamber (MuCh) of the future Compressed Baryonic Matter (CBM) experiment, detector efficiency is a key performance parameter.
This study focuses on the behavior of different GEM detectors under prolonged...
Dileptons have long been recognized as a clean and penetrating probe of the Quark-Gluon Plasma (QGP) formed in high-energy heavy-ion collisions. In this work, we study the thermal dilepton spectra and their elliptic flow by analyzing the dynamical conductivity that enters the dilepton production rate. This conductivity is extracted from the trace of the spectral function, derived using...
In this work, we studied the in-medium behavior of quarkonia (charmonium) in a hot QCD medium using a modified kinetic theory framework that includes momentum-dependent relaxation times. The longitudinal gluon self-energy and Debye screening mass are computed within the one-loop hard thermal loop approximation, incorporating non-equilibrium corrections. We analyze how the quarkonium potential,...
Recent results from collisions of small systems (e.g. pp, p-Pb) have revealed QGP-like signatures challenging our present understanding about the conditions required to form a Quark-Gluon Plasma (QGP) [1]. Notably, long-range azimuthal correlations, also known as the “ridge”, suggest the presence of collective behavior — a hallmark of QGP — even when only a few nucleons are involved in the...
The thermoelectric power or Seebeck coefficient of graphene and quark gluon plasma (QGP) produced in the relativistic heavy ion collision experiment exhibits significant deviation compared to the conventional Mott relation. This deviation highlights the unique transport properties and strongly interacting quantum fluid behaviors of both the graphene and QGP cases. Near the charge neutrality...
We explore the in-medium modification of the $J/\psi$ meson mass in symmetric nuclear matter at zero and finite temperatures using an effective Lagrangian combined with a QCD sum-rule approach. The $J/\psi$ self-energy is evaluated via the $DD$, $D^*D$, and $D^*D^*$ meson loops, with medium effects incorporated through $D$ and $D^*$ meson masses computed in the hadronic chiral SU(3) model and...
We investigate isobaric collisions (Ru+Ru and Zr+Zr) at RHIC to study how nuclear structure influences the initial conditions and the subsequent evolution of the quark-gluon plasma (QGP). Though identical in mass number, the nuclei differ in proton number and structure, Ru is expected to have a quadrupole deformation, while Zr exhibits octupole features. These differences result in distinct...
The chiral model is among the effective QCD models that provide non-perturbative estimates in the intermediate density regime inaccessible to LQCD and pQCD. Within this model, increasing density or chemical potential leads to a reduction of the quark condensate and constituent quark mass, ultimately restoring chiral symmetry [1]. This work aims to provide a kinetic theory based, non-pQCD...
This work explores the effect of the geometry of the nucleus in the p-$^{16}$O, $^{16}$O-$^{16}$O and $^{20}$Ne-$^{20}$Ne collisions at LHC energies with the PYTHIA Monte Carlo event generator in Angantyr framework. Angantyr models heavy-ion collisions as a superposition of independent nucleon-nucleon (NN) collisions, without incorporating collective effects. We construct tetrahedral structure...
