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Dilepton production from p-p to Ca-Ca at the Bevalac

Abstract : The DLS collaboration has recently completed a high statistics study of dilepton production at the Bevalac. In particular, we have measured dielectrons (e+e-) 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 GeV has been made to study the collectivity of A-A collisions.
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http://hal.in2p3.fr/in2p3-00003626
Contributor : Michèle Chadelas <>
Submitted on : Friday, April 23, 1999 - 1:44:01 PM
Last modification on : Thursday, February 25, 2021 - 10:58:14 AM

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H.S. Matis, S. Beedoe, M. Bougteb, J. Carroll, W. Christie, et al.. Dilepton production from p-p to Ca-Ca at the Bevalac. International Conference On Nucleus-Nucleus Collisions. 5, May 1994, Taormina, Italy. pp.617C-622C. ⟨in2p3-00003626⟩

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