Dilepton production from p-p to Ca-Ca at the Bevalac
The DLS collaboration has recently completed a high statistics study of dilepton production at the Bevalac. In particular, we have measured dielectrons (e{sup +}e{sup {minus}}) from p-p and p-d collisions to understand the basic dilepton production mechanisms in the energy range from 1.05--4.9 GeV. These data can be used to determine the basic processes which contribute to nucleon-nucleon dilepton production such as hadronic bremsstrahlung, vector meson processes, and hadronic Dalitz decay. The data show that a simple elastic bremsstrahlung calculation is insufficient to explain the data. Theoretical models are compared with the data. A new high statistics study of Ca-Ca at 1.05 A{center_dot}GeV has been made to study the collectivity of A-A collisions.
- Research Organization:
- Lawrence Berkeley Lab., CA (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC03-76SF00098; FG03-88ER40424; FG02-88ER40413; FG05-88ER40445
- OSTI ID:
- 10192547
- Report Number(s):
- LBL-36033; CONF-940509-7; ON: DE95002341; BR: KB0101000/KB0201000; KB0201000; KB0201000; TRN: 94:022840
- Resource Relation:
- Conference: Conference on nucleus-nucleus collisions,Catania (Italy),30 May - 4 Jun 1994; Other Information: PBD: Jun 1994
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ELECTRON PAIRS
PARTICLE PRODUCTION
BEVALAC
PROTON-PROTON INTERACTIONS
PROTON-DEUTERON INTERACTIONS
VECTOR MESONS
HEAVY ION REACTIONS
662300
663450
662310
SPECIFIC INTERACTIONS
DECAYS AND PROCESSES
HEAVY-ION-INDUCED REACTIONS AND SCATTERING
WEAK AND ELECTROMAGNETIC INTERACTIONS OF LEPTONS