Production cross sections and the particle stability of proton-rich nuclei from [sup 58]Ni fragmentation

Journal Article · Tue Nov 01 04:00:00 EST 1994 · Physical Review, C (Nuclear Physics); (United States)

DOI:https://doi.org/10.1103/PhysRevC.50.2398· OSTI ID:6837044

Blank, B; Andriamonje, S; Del Moral, R; Dufour, J P; Fleury, A; Josso, T; Pravikoff, M S ^[1]; Czajkowski, S; Janas, Z; Piechaczek, A; Roeckl, E; Schmidt, K; Suemmerer, K; Trinder, W; Weber, M ^[2]; Brohm, T; Grewe, A; Hanelt, E; Heinz, A; Junghans, A ; Roehl, C; Steinhaeuser, S; Voss, B ^[3]; Pfuetzner, M ^[4]

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1. Centre d'Etudes Nucleaires de Bordeaux-Gradignan, F-33175 Gradignan Cedex (France) Institut National de Physique Nucleaire et de Physique des Particules, Paris (France)
2. Gesellschaft fuer Schwerionenforschung, Planckstrasse 1, D-64291 Darmstadt (Germany)
3. Institut fuer Kernphysik der Technische Hochschule Darmstadt, Schlossgartenstrasse 9, D-64289 Darmstadt (Germany)
4. Institute of Experimental Physics, University of Warsaw, PL-00-681 Warsaw, Hoza 69 (Poland)

Using a primary beam of [sup 58]Ni at 650 MeV/nucleon impinging on a beryllium target, production cross sections of proton-rich fragments from projectile fragmentation have been measured at the projectile-fragment separator FRS at Gesellschaft fuer Schwerionenforschung Darmstadt m.b.H. The experimental data ranging from nickel to scandium for isotopes close to stability as well as for fragments at the proton drip line are compared to predictions of the microscopic ISApace code, to calculations with a revised abrasion-ablation model and with the statistical abrasion model, and to the results of the empirical parametrization EPAX. Besides these systematic measurements, evidence for the particle stability of [sup 50]Ni has been found for the first time, whereas the nuclei [sup 49]Co and [sup 54]Cu are shown to be unbound. These observations are compared to mass predictions.

• OSTI ID: 6837044
• Journal Information: Physical Review, C (Nuclear Physics); (United States), Journal Name: Physical Review, C (Nuclear Physics); (United States) Vol. 50:5; ISSN 0556-2813; ISSN PRVCAN
• Country of Publication: United States
• Language: English

Related Subjects

663450* -- Heavy-Ion-Induced Reactions & Scattering-- (1992-)
663520 -- Nuclear Mass Ranges-- A=6-19-- (1992-)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BERYLLIUM 9 TARGET
CHARGED-PARTICLE REACTIONS
COBALT
COPPER
CROSS SECTIONS
ELEMENTS
ENERGY RANGE
FRAGMENTATION
GEV RANGE
GEV RANGE 10-100
HEAVY ION REACTIONS
METALS
NICKEL
NICKEL 58 REACTIONS
NUCLEAR REACTIONS
PRODUCTION
STABILITY
TARGETS
TRANSITION ELEMENTS