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Sumit Basu (Lund University)

Sumit Basu

Postdoctoral Researcher

Sumit Basu (Lund University)

Effects of nonvanishing net charge on balance functions and their integrals

Author

  • Claude Pruneau
  • Victor Gonzalez
  • Brian Hanley
  • Ana Marin
  • Sumit Basu

Summary, in English

We investigate the impact of nonvanishing net charge in collision systems on measurements of balance functions and their integrals. We show that the nominal balance function definition yields integrals that deviate from unity because of the nonvanishing net charge. However, the integral of unified balance functions is shown to appropriately converge to unity when measured in a sufficiently wide experimental acceptance. We furthermore explore the rate of convergence of unified balance functions integrals and study distortions imparted on the shape of balance functions when measurements are carried out in limited transverse momentum (pT) and rapidity (y) acceptances, such as those featured by experiments at the Large Hadron Collider or the Relativistic Heavy Ion Collider. We show that the shape and integral of unified balance functions may be strongly biased by reductions in the rapidity and transverse momentum acceptances of existing experiments.

Department/s

  • Particle and nuclear physics

Publishing year

2023-05

Language

English

Publication/Series

Physical Review C

Volume

107

Issue

5

Document type

Journal article

Publisher

American Physical Society

Topic

  • Subatomic Physics

Status

Published

ISBN/ISSN/Other

  • ISSN: 2469-9985