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26 April 2024
 
  » arxiv » nucl-ex/0003004

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Isospin dependence of isobaric ratio Y(3H)/Y(3He) and its relation to temperature
M. Veselsky ; R. W. Ibbotson ; R. Laforest ; E. Ramakrishnan ; D. J. Rowland ; A. Ruangma ; E. M. Winchester ; E. Martin ; S. J. Yennello ;
Date 7 Mar 2000
Journal Phys.Lett. B497 (2001) 1-7
Subject nucl-ex
AffiliationCyclotron Institute, Texas A&M University, College Station, Texas
AbstractA dependence of the isobaric ratio Y(3H)/Y(3He) on the N/Z ratio of the reconstructed quasiprojectile for the reaction of 28Si beam with 112,124Sn targets at two different projectile energies 30 and 50 MeV/nucleon is presented. We demonstrate a linear dependence of ln(Y(3H)/Y(3He)) on the quasiprojectile N/Z ratio and show the dependence of the slope on reconstructed excitation energy of the quasiprojectile. We relate this slope dependence at a given excitation energy to the temperature of the fragmenting system. Using the model assumptions of the statistical multifragmentation model, a method of temperature determination is proposed. A caloric curve is constructed and compared to the result of double isotope ratio method for the same set of data and to the results of other studies.
Source arXiv, nucl-ex/0003004
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