Recent Results from E866 at BNL
C. Muentz (Department of Physics, Brookhaven National Lab., Upton, NY,, U.S.A., now University of Frankfurt/Germany) for Experiment E866, E802, Collaboration
TL;DR
This paper presents recent experimental data from BNL's E866 experiment on particle distributions in gold-gold collisions at 10.8 AGeV, indicating significant stopping power and collective flow effects.
Contribution
It provides new measurements of particle distributions and applies an expanding fireball model to interpret the observed flow velocities in heavy-ion collisions.
Findings
High degree of stopping power in Au+Au collisions
Substantial transverse and longitudinal flow velocities
Evidence of collective expansion in the collision dynamics
Abstract
Recent and preliminary single-particle data are presented from the AGS Experiment 866 at BNL. Emphasis is put on the transverse mass as well as the rapidity distributions of charged pions, kaons, protons, deuterons and anti-protons measured in the most central Au+Au collisions at an incident kinetic energy of 10.8 AGeV. The data suggest a high degree of stopping power present in these reactions. Applying an expanding fireball scenario to describe the experimental distributions substantial transverse and longitudinal flow velocities result.
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Taxonomy
TopicsHigh-Energy Particle Collisions Research · Particle physics theoretical and experimental studies · Nuclear physics research studies