Compression effects in relativistic nucleus-nucleus collisions

  • The negative-pion multiplicity is measured for central collisions of 40Ar with KCl at eight energies from 0.36 to 1.8 GeV/nucleon and for 4He on KCl and 40Ar on BaI2 at 977 and 772 MeV/nucleon, respectively. A systematic discrepancy with a cascade-model calculation which fits proton- and pion-nucleus cross sections but omits potential-energy effects is used to derive the energy going into bulk compression of the system. A value of the incompressibility constant of K=240 MeV is extracted in a parabolic form of the nuclear-matter equation of state.

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Author:Reinhard StockGND, Rudolf BockGND, R. Brockman, John W. HarrisORCiDGND, Andres SandovalORCiD, Herbert Ströbele, Kevin L. Wolf, Howel G. Pugh, Lee S. Schroeder, M. Maier, Rainer Arno Ernst Renfordt, Ángel Dacal, Maria Esther Ortiz
Parent Title (German):Physical review letters
Document Type:Article
Date of Publication (online):2005/09/21
Year of first Publication:1982
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2005/09/21
Page Number:4
First Page:1236
Last Page:1239
Source:Phys. Rev. Lett. 49, 1236-1239 (1982), ©1982 The American Physical Society,
Institutes:Physik / Physik
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Licence (German):License LogoDeutsches Urheberrecht