Elliptic Flow in Heavy-Ion Collisions near the Balance Energy

Journal Article · Wed Sep 01 04:00:00 EDT 1999 · Physical Review Letters

DOI:https://doi.org/10.1103/PhysRevLett.83.2534· OSTI ID:686568

Zheng, Y; Ko, C M; Zhang, B ^[1]; Li, B ^[2]

---

1. Cyclotron Institute and Physics Department, Texas AM University, College Station, Texas 77843-3366 (United States)
2. Department of Chemistry and Physics, Arkansas State University, P.O. Box 419, State University, Arkansas 72467-0419 (United States)

The proton elliptic flow in collisions of {sup 48}Ca on {sup 48}Ca at energies from 30 to 100thinspthinspMeV/nucleon is studied in an isospin-dependent transport model. With increasing incident energy, the elliptic flow shows a transition from positive to negative flow. Its magnitude depends on both the nuclear equation of state (EOS) and the nucleon-nucleon scattering cross section. Different elliptic flows are obtained for a stiff EOS with free nucleon-nucleon cross sections and a soft EOS with reduced nucleon-nucleon cross sections, although both lead to vanishing in-plane transverse flow at the same balance energy. {copyright} {ital 1999} {ital The American Physical Society}

• OSTI ID: 686568
• Journal Information: Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 13 Vol. 83; ISSN 0031-9007; ISSN PRLTAO
• Country of Publication: United States
• Language: English

Related Subjects

66 PHYSICS
CALCIUM
CALCIUM 48 REACTIONS
EQUATIONS OF STATE
HEAVY ION REACTIONS
NUCLEAR MATTER
NUCLEON-NUCLEON INTERACTIONS