title: Exclusive measurements of light fragment production at forward angles in Ne-Pb and Ne-NaF collisions at E/A=400 MeV and 800 MeV.
abstract: Emission of light fragments at small angles is studied in relativistic heavy ion collisions using the Diogene plastic wall for both symmetrical and non-symmetrical target-projectile systems with 400 MeV per nucleon and 800 MeV per nucleon incident neon nuclei.  Efficiency of multiplicity measurements in the small angle range for the selection of central or peripheral collisions is confirmed for asymmetric systems.  Differential production cross sections of Z = 1 fragments show evidence for the existence of two emitting sources.  The apparent temperature of each source is obtained from comparison with a thermodynamical model.
authors.affiliation: LPC, Clermont Ferrand, Aubière, France.
authors.forename: N
authors.initials: N
authors.lastname: Bastid
authors.forename: J P
authors.initials: JP
authors.lastname: Alard
authors.forename: J
authors.initials: J
authors.lastname: Arnold
authors.forename: J
authors.initials: J
authors.lastname: Augerat
authors.forename: R
authors.initials: R
authors.lastname: Babinet
authors.forename: F
authors.initials: F
authors.lastname: Biagi
authors.forename: F
authors.initials: F
authors.lastname: Brochard
authors.forename: M
authors.initials: M
authors.lastname: Crouau
authors.forename: P
authors.initials: P
authors.lastname: Charmensat
authors.forename: P
authors.initials: P
authors.lastname: Dupieux
mesh_terms: D004601:Elementary Particles; D007477:Ions; D007854:Lead / Q000737:chemistry; D008027:Light; D008433:Mathematics; D008962:Models, Theoretical; D009356:Neon / Q000737:chemistry; D009686:Nuclear Physics; D011522:Protons; D012969:Sodium Fluoride / Q000737:chemistry; D013696:Temperature; D013816:Thermodynamics
chemical_list: D007477:Ions; D011522:Protons; D007854:Lead; D009356:Neon; D012969:Sodium Fluoride