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View article: Applicability of Hydrodynamics in the Hadronic Phase of Heavy-Ion Collisions
Applicability of Hydrodynamics in the Hadronic Phase of Heavy-Ion Collisions Open
The hadronic phase and its dynamics in relativistic heavy-ion collisions are topics of immense discussion. The hadronic phase contains various massive hadrons with an abundance of the lightest hadron, i.e., π-mesons (pions). In this paper,…
View article: Dynamics of hot QCD matter 2024 — Bulk properties
Dynamics of hot QCD matter 2024 — Bulk properties Open
The second Hot QCD Matter 2024 conference at IIT Mandi focused on various ongoing topics in high-energy heavy-ion collisions, encompassing theoretical and experimental perspectives. This proceedings volume includes 19 contributions that co…
View article: Dynamics of Hot QCD Matter 2024 -- Bulk Properties
Dynamics of Hot QCD Matter 2024 -- Bulk Properties Open
The second Hot QCD Matter 2024 conference at IIT Mandi focused on various ongoing topics in high-energy heavy-ion collisions, encompassing theoretical and experimental perspectives. This proceedings volume includes 19 contributions that co…
View article: Small-scale Cosmic-Ray Anisotropy Observed by the GRAPES-3 Experiment at TeV Energies
Small-scale Cosmic-Ray Anisotropy Observed by the GRAPES-3 Experiment at TeV Energies Open
GRAPES-3 is a mid-altitude (2200 m) and near-equatorial (11.°4N) air shower array, overlapping in its field of view for cosmic-ray observations with experiments that are located in the Northern and Southern Hemispheres. We analyze a sample…
View article: Small-scale cosmic ray anisotropy observed by the GRAPES-3 experiment at TeV energies
Small-scale cosmic ray anisotropy observed by the GRAPES-3 experiment at TeV energies Open
GRAPES-3 is a mid-altitude (2200 m) and near equatorial ($11.4^{\circ}$ North) air shower array, overlapping in its field of view for cosmic ray observations with experiments that are located in Northern and Southern hemispheres. We analyz…
View article: Updated results on the cosmic ray energy spectrum and composition from the GRAPES-3 experiment
Updated results on the cosmic ray energy spectrum and composition from the GRAPES-3 experiment Open
Here, we present the updated results on the cosmic ray energy spectrum and composition analysis from the GRAPES-3 experiment over the energy range of 50 TeV to 1000 TeV since ICRC 2021. The simulation of cosmic ray showers was performed us…
View article: Proton number cumulants in a modified van der Waals hadron resonance gas
Proton number cumulants in a modified van der Waals hadron resonance gas Open
An estimate of the proton number cumulants in the hadronic matter is presented considering a van der Waals-type interaction between the constituent particles. We argue that the attractive and repulsive parameters in the VDW hadron resonanc…
View article: Energy flow in ultra-high energy cosmic ray interactions as a probe of thermalization: A potential solution to the muon puzzle
Energy flow in ultra-high energy cosmic ray interactions as a probe of thermalization: A potential solution to the muon puzzle Open
Signatures of the formation of a strongly interacting thermalized matter of partons have been observed in nucleus-nucleus, proton-nucleus, and high-multiplicity proton-proton collisions at LHC energies. Strangeness enhancement in such ultr…
View article: Muon Puzzle: Bridging the gap between cosmic ray and accelerator experiments
Muon Puzzle: Bridging the gap between cosmic ray and accelerator experiments Open
Multiple cosmic ray experiments have observed that the various high-energy physics models are\nunable to explain the muon multiplicities at very high primary energies. The models consistently\npredict lower numbers as compared to what is e…
View article: A new approach to determine muon multiplicity at the GRAPES-3 experiment
A new approach to determine muon multiplicity at the GRAPES-3 experiment Open
The muon content in extensive air showers (EAS) is a sensitive observable for measuring the primary cosmic ray composition. An accurate determination of the muon multiplicity in an EAS is thus imperative for composition studies. The GRAPES…
View article: Small-scale anisotropy in the cosmic ray flux observed by GRAPES-3 at TeV energies
Small-scale anisotropy in the cosmic ray flux observed by GRAPES-3 at TeV energies Open
Cosmic ray (CR) anisotropy of several scales have been observed over the last decade by a number of experiments located in the Northern and Southern hemispheres. The GRAPES-3 experiment, located at $11.4^{\\circ}$ N can observe a significa…
View article: Cosmic ray proton energy spectrum below the Knee observed by the GRAPES-3 experiment
Cosmic ray proton energy spectrum below the Knee observed by the GRAPES-3 experiment Open
The GRAPES-3 experiment consists of a densely packed array of 400 plastic scintillator detectors and a large area (560 $m^{2}$) muon telescope. It measures cosmic rays in an energy range of several TeV to over 10 PeV with a trigger efficie…
View article: Fluidity of the system produced in relativistic pp and heavy-ion collisions: Hadron resonance gas model approach
Fluidity of the system produced in relativistic pp and heavy-ion collisions: Hadron resonance gas model approach Open
View article: Energy flow in ultra-high energy cosmic ray interactions as a probe of thermalization: a potential solution to the muon puzzle
Energy flow in ultra-high energy cosmic ray interactions as a probe of thermalization: a potential solution to the muon puzzle Open
Signatures of the formation of a strongly interacting thermalized matter of partons have been observed in nucleus-nucleus, proton-nucleus, and high-multiplicity proton-proton collisions at LHC energies. Strangeness enhancement in such ultr…
View article: Fluid properties of hadron gas produced in relativistic hadronic and heavy-ion collisions
Fluid properties of hadron gas produced in relativistic hadronic and heavy-ion collisions Open
Thermalization is a vital feature that enables the study of hydrodynamic evolution of the medium produced in nuclear collisions at relativistic energies. Here, we obtain the variation of Knudsen number ($Kn$) to study the degree of thermal…
View article: Conductivity, diffusivity, and violation of the Wiedemann-Franz Law in a hadron resonance gas with van der Waals interactions
Conductivity, diffusivity, and violation of the Wiedemann-Franz Law in a hadron resonance gas with van der Waals interactions Open
In this work, a hadron resonance gas under van der Waals interactions has been studied. Both attractive and repulsive interactions between the meson-meson and (anti)baryon-(anti)baryon have been taken into consideration. Various transport …
View article: Report on scipost_202208_00089v1
Report on scipost_202208_00089v1 Open
Here, we present the updated results on the cosmic ray energy spectrum and composition analysis from the GRAPES-3 experiment over the energy range of 50 TeV to 1000 TeV since ICRC 2021.The simulation of cosmic ray showers was performed usi…
View article: Applicability of Hydrodynamics in Hadronic Phase of Heavy-Ion Collisions
Applicability of Hydrodynamics in Hadronic Phase of Heavy-Ion Collisions Open
The hadronic phase and its dynamics in relativistic heavy-ion collisions are topics of immense discussion. The hadronic phase contains various massive hadrons with an abundance of the lightest hadron, i.e., $π$-mesons (pions). In this pape…
View article: Exploring the effect of hadron cascade time on particle production in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>Xe</mml:mi><mml:mo>+</mml:mo><mml:mi>Xe</mml:mi></mml:math> collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msqrt><mml:msub><mml:mi>s</mml:mi><mml:mrow><mml:mi>N</mml:mi><mml:mi>N</mml:mi></mml:mrow></mml:msub></mml:msqrt><mml:mo>=</mml:mo><mml:mn>5.44</mml:mn></mml:mrow></mml:math> TeV using a multiphase transport model
Exploring the effect of hadron cascade time on particle production in collisions at TeV using a multiphase transport model Open
Heavy-ion collisions at ultrarelativistic energies provide extreme conditions of energy density and temperature to produce a deconfined state of quarks and gluons. Xenon (Xe), being a deformed nucleus, further gives access to the effect of…
View article: Conductivity, diffusivity, and violation of Wiedemann-Franz Law in a hadron resonance gas with van der Waals interactions
Conductivity, diffusivity, and violation of Wiedemann-Franz Law in a hadron resonance gas with van der Waals interactions Open
In this work, a hadron resonance gas under van der Waals (VDW) interactions has been studied. Both attractive and repulsive interactions between the meson-meson and (anti)baryon-(anti)baryon have been taken into consideration. Various tran…
View article: Fluidity of the system produced in relativistic pp and heavy-ion collisions: Hadron resonance gas model approach
Fluidity of the system produced in relativistic pp and heavy-ion collisions: Hadron resonance gas model approach Open
We have estimated the dimensionless parameters such as Reynolds number ($Re$), Knudsen number ($Kn$) and Mach number ($Ma$) for a multi-hadron system by using the excluded volume hadron resonance gas (EVHRG) model along with Hagedorn mass …
View article: Highlights from the GRAPES-3 experiment
Highlights from the GRAPES-3 experiment Open
The GRAPES-3 is a near-equatorial extensive air shower experiment, located in Ooty, India at an altitude of 2200 m above mean sea level. It consists of a dense array of 400 scintillator detectors of 1 m$^{2}$ area each with 8 m inter separ…
View article: arXiv : Exploring the effect of hadron cascade-time on particle production in Xe+Xe collisions at $\sqrt {s_{NN}}$ = 5.44 TeV through a multi-phase transport model
arXiv : Exploring the effect of hadron cascade-time on particle production in Xe+Xe collisions at $\sqrt {s_{NN}}$ = 5.44 TeV through a multi-phase transport model Open
Heavy-ion collisions at ultra-relativistic energies provide extreme conditions of energy density and temperature to produce a deconfined state of quarks and gluons. Xenon (Xe) being a deformed nucleus further gives access to the effect of …
View article: An Advanced Triggerless Data Acquisition System for GRAPES-3 Muon Detector
An Advanced Triggerless Data Acquisition System for GRAPES-3 Muon Detector Open
The large area 560\,m$^2$ directional muon telescope at Gamma Ray Astronomy at PeV Energies phase -3 (GRAPES-3) experiment in Ooty, India was designed primarily to study the extensive air showers (EAS) and made operational in year 1998. It…
View article: Search for gamma rays above 30 TeV from the Crab Nebula with the GRAPES-3 experiment
Search for gamma rays above 30 TeV from the Crab Nebula with the GRAPES-3 experiment Open
The GRAPES-3 is a high-altitude, near-equator extensive air shower array at Ooty, India which is designed to observe cosmic and gamma-rays in TeV-PeV energy range. It consists of a dense array of 400 scintillator detectors operating in con…
View article: Vetoing the high energy showers in the GRAPES-3 experiment whose cores lie outside the array
Vetoing the high energy showers in the GRAPES-3 experiment whose cores lie outside the array Open
The GRAPES-3 experiment located in Ooty consists of an array of 400 plastic scintillator detectors spread over an area of 25000𝑚 2 and a large area (560 𝑚 2 ) muon telescope. Every day, the array records about 3 million showers induced by …
View article: Large-scale cosmic ray anisotropy measured by the GRAPES-3 experiment
Large-scale cosmic ray anisotropy measured by the GRAPES-3 experiment Open
The deflection of cosmic rays (CRs) in the interstellar magnetic field results in an almost isotropic flux as observed on Earth. However, an anisotropy has been observed at the level of ∼ 10^{-4} − 10^{-3}. The GRAPES-3 experiment located …
View article: Measurement of the improved angular resolution of GRAPES-3 EAS array by the observation of the Moon shadow
Measurement of the improved angular resolution of GRAPES-3 EAS array by the observation of the Moon shadow Open
The Moon acts as a shield against the cosmic rays, preventing them from reaching the earth, which gives rise to a deficit in the flux along the direction of the Moon. The observed deficit can be used for obtaining the absolute calibration …
View article: Cosmic ray energy spectrum and composition measurements from the GRAPES-3 experiment: Latest results
Cosmic ray energy spectrum and composition measurements from the GRAPES-3 experiment: Latest results Open
The Gamma Ray Astronomy at PeV EnergieS phase-3 (GRAPES-3) experiment is located at Ooty in India (11.4$^{\circ}$ N, 76.7$^{\circ}$ E and 2200 m above m.s.l.). It consists of a densely packed array of 400 plastic scintillator detectors and…
View article: A study of the Moon shadow by using GRAPES-3 muon telescope
A study of the Moon shadow by using GRAPES-3 muon telescope Open
The GRAPES-3 experiment is designed to perform precision studies of gamma-ray sources in the TeV-PeV energy region. It consists of 400 plastic scintillator detectors spanning an effective area of 25000 m^2 and a large area (560 m^2) muon t…