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Phys. Rev. C 58, R1372–R1376 (1998)

Diversity of fragment sizes in multifragmentation of gold nuclei induced by relativistic 3He ions

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J. Brzychczyk1,*, E. C. Pollacco1,†, C. Volant1, D. Lacroix2, R. Legrain1, K. Kwiatkowski3, D. S. Bracken3,‡, K. B. Morley3,‡, E. Renshaw Foxford3,§, V. E. Viola3, N. R. Yoder3, J. Cugnon4, R. G. Korteling5, and H. Breuer6
1DAPNIA/SPhN CEA/Saclay, F-91191 Gif-sur-Yvette Cedex, France
2GANIL, BP5027 F-14021 Caen Cedex, France
3Departments of Chemistry and Physics and Indiana University Cyclotron Facility, Indiana University, Bloomington, Indiana 47405
4Université de Liège, Institut de Physique, B-4000 Liège 1, Belgium
5Department of Chemistry, Simon Fraser University, Burnaby, British Columbia, Canada V5A S16
6Department of Physics, University of Maryland, College Park, Maryland 20742

Received 26 February 1998; published in the issue dated September 1998

The charge-moment technique has been used to study the fragment charge distribution for the 3He(4.8 GeV)+197Au reaction. A large variety of fragment charges characterized by a relative variance ∼2.3, is observed for excitation energies around 5.5 MeV/nucleon. Similar signals related to a phase transition are predicted by the percolation model and the statistical multifragmentation model. Effects of detector acceptance and contribution from fission are discussed.

© 1998 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevC.58.R1372
DOI:
10.1103/PhysRevC.58.R1372
PACS:
25.70.Pq, 25.55.-e

*Permanent address: Institute of Physics, Jagiellonian University, 30-059 Kraków, Poland.

†Present address: Laboratoire Pierre Süe, CEA-CNRS, F-91191 Gif-sur-Yvette Cedex, France.

‡Present address: Los Alamos National Laboratory, Los Alamos, NM 87545.

§Present address: Microsoft Corp., Seattle, WA 98195.

 
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