papers

Publications (22)

hep-ph2024

A soft-hard framework with exact four momentum conservation for small systems

I. Soudi, W. Zhao, A. Majumder +50

A new framework, called x-scape, for the combined study of both hard and soft transverse momentum sectors in high energy proton-proton (-) and proton-nucleus (-) collis…

hep-ph2023

Multiscale evolution of heavy flavor in the QGP

G. Vujanovic, A. Angerami, R. Arora +52

Shower development dynamics for a jet traveling through the quark-gluon plasma (QGP) is a multiscale process, where the heavy flavor mass is an important scale. During the high vir…

nucl-ex2026

Measurement of dijet transverse momentum imbalance and azimuthal acoplanarity in + collisions at GeV with the sPHENIX detector

sPHENIX Collaboration, M. I. Abdulhamid, U. Acharya +326

This Letter reports on measurements of dijet transverse momentum () imbalance and azimuthal acoplanarity in proton-proton collisions at ~GeV, using da…

hep-ph2026

The effect of recoils on soft-drop-groomed observables in -tagged jets in a multistage approach

Y. Tachibana, C. Sirimanna, A. Majumder +49

We investigate medium-induced modifications to jet substructure observables that characterize hard components in central Pb-Pb collisions at ~TeV. Using a multi…

hep-ph2022

Comprehensive Study of Multi-scale Jet-medium Interaction

Y. Tachibana, A. Angerami, R. Arora +55

We explore jet-medium interactions at various scales in high-energy heavy-ion collisions using the JETSCAPE framework. The physics of the multi-stage modeling and the coherence eff…

nucl-ex2025

Measurement of charged hadron multiplicity in Au+Au collisions at GeV with the sPHENIX detector

sPHENIX Collaboration, M. I. Abdulhamid, U. Acharya +302

The pseudorapidity distribution of charged hadrons produced in Au+Au collisions at a center-of-mass energy of GeV is measured using data collected by t…

hep-ph2022

Bayesian analysis of QGP jet transport using multi-scale modeling applied to inclusive hadron and reconstructed jet data

R. Ehlers, A. Angerami, R. Arora +55

The JETSCAPE Collaboration reports a new determination of jet transport coefficients in the Quark-Gluon Plasma, using both reconstructed jet and hadron data measured at RHIC and th…

hep-ph2024

Bayesian Inference analysis of jet quenching using inclusive jet and hadron suppression measurements

R. Ehlers, Y. Chen, J. Mulligan +50

The JETSCAPE Collaboration reports a new determination of the jet transport parameter in the Quark-Gluon Plasma (QGP) using Bayesian Inference, incorporating all availabl…

hep-ph2024

Measuring jet quenching with a Bayesian inference analysis of hadron and jet data by JETSCAPE

R. Ehlers, A. Angerami, R. Arora +50

The JETSCAPE Collaboration reports the first multi-messenger study of the QGP jet transport parameter using Bayesian inference, incorporating all available hadron and jet…

hep-ph2023

Effects of multi-scale jet-medium interactions on jet substructures

JETSCAPE Collaboration, Y. Tachibana, A. Angerami +57

We utilize event-by-event Monte Carlo simulations within the JETSCAPE framework to examine scale-dependent jet-medium interactions in heavy-ion collisions. The reduction in jet-med…

hep-ph2025

Extraction of jet-medium interaction details through jet substructure for inclusive and gamma-tagged jets

Y. Tachibana, C. Sirimanna, A. Majumder +49

We present a comprehensive study of jet substructure modifications in high-energy heavy-ion collisions using both inclusive jets and -tagged jets, based on a multi-stage jet ev…

nucl-ex2026

Longitudinal Dynamics of Large and Small Systems from a 3D Bayesian Calibration of RHIC Top-energy Collision Data

A. Mankolli, C. Shen, M. Luzum +53

A comprehensive Bayesian analysis of the 3D dynamics of high-energy nuclear collisions is presented. We perform a systematic model-to-data comparison using simulations of large and…

hep-ph2023

Inclusive jet and hadron suppression in a multistage approach

A. Kumar, Y. Tachibana, C. Sirimanna +57

We present a new study of jet interactions in the quark-gluon plasma created in high-energy heavy-ion collisions, using a multistage event generator within the JETSCAPE framework.…

nucl-th2023

Multi-scale evolution of charmed particles in a nuclear medium

JETSCAPE collaboration, W. Fan, G. Vujanovic +57

Parton energy-momentum exchange with the quark gluon plasma (QGP) is a multi-scale problem. In this work, we calculate the interaction of charm quarks with the QGP within the highe…

hep-ph2022

Role of bulk viscosity in deuteron production in ultrarelativistic nuclear collisions

D. Everett, D. Oliinychenko, M. Luzum +53

We use a Bayesian-calibrated multistage viscous hydrodynamic model to explore deuteron yield, mean transverse momentum and flow observables in LHC Pb-Pb collisions. We explore theo…

nucl-ex2026

Measurement of isolated prompt photon production in + collisions at GeV with the sPHENIX detector

sPHENIX Collaboration, M. I. Abdulhamid, U. Acharya +217

The differential cross section of isolated prompt photon production is measured as a function of photon transverse energy () in proton--proton (+) collisio…

hep-ph2024

Hard jet substructure in a multistage approach

Y. Tachibana, A. Kumar, A. Majumder +56

We present predictions and postdictions for a wide variety of hard jet-substructure observables using a multistage model within the JETSCAPE framework. The details of the multistag…

nucl-th2024

Photon-triggered jets as probes of multi-stage jet modification

C. Sirimanna, Y. Tachibana, A. Angerami +50

Prompt photons are created in the early stages of heavy ion collisions and traverse the QGP medium without any interaction. Therefore, photon-triggered jets can be used to study th…

hep-ph2024

Hard Photon Triggered Jets in - and - Collisions

C. Sirimanna, Y. Tachibana, A. Majumder +49

An investigation of high transverse momentum (high-) photon triggered jets in proton-proton (-) and ion-ion (-) collisions at and $5.02~\math…

hep-ph2025

Hybrid Hadronization -- A Study of In-Medium Hadronization of Jets

A. Sengupta, R. J. Fries, M. Kordell +50

QCD jets are considered important probes for quark gluon plasma created in collisions of nuclei at high energies. Their parton showers are significantly altered if they develop ins…

nucl-ex2025

Measurement of the transverse energy density in Au+Au collisions at GeV with the sPHENIX detector

sPHENIX Collaboration, M. I. Abdulhamid, U. Acharya +302

This paper reports measurements of the transverse energy per unit pseudorapidity () produced in Au+Au collisions at GeV, performed with the sPHENI…

hep-ph2023

A new metric improving Bayesian calibration of a multistage approach studying hadron and inclusive jet suppression

W. Fan, G. Vujanovic, S. A. Bass +52

We study parton energy-momentum exchange with the quark gluon plasma (QGP) within a multistage approach composed of in-medium DGLAP evolution at high virtuality, and (linearized) B…