Spin yields of neutron-rich nuclei from deep inelastic reactions

Journal Article · Fri Oct 01 04:00:00 EDT 1999 · Physical Review, C

DOI:https://doi.org/10.1103/PhysRevC.60.044307· OSTI ID:686580

Asztalos, S J; Lee, I Y; Vetter, K; Cederwall, B; Clark, R M; Deleplanque, M A; Diamond, R M; Fallon, P; Jing, K; Phair, L; Macchiavelli, A O; Rasmussen, J O; Stephens, F S; Wozniak, G J ^[1]; Becker, J A; Bernstein, L A; McNabb, D P ^[2]; Hua, P F; Sarantites, D G ^[3]; Saladin, J X ^[4] ; Yu, C ^[5]; Cizewski, J A ^[6]; Donangelo, R ^[7]

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1. Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720 (United States)
2. Physics Division, Lawrence Livermore National Laboratory, Livermore, California 94550 (United States)
3. Washington University, St. Louis, Missouri 63130 (United States)
4. University of Pittsburgh, Pittsburgh, Pennsylvania 15260 (United States)
5. University of Rochester, Rochester, New York 14627 (United States)
6. Rutgers University, New Brunswick, New Jersey 08903 (United States)
7. Instituto de Fisica, Universidade Federal do Rio de Janeiro, Rio de Janiero (Brazil)

The potential for using deep inelastic reactions to populate high-spin states in neutron-rich nuclei is studied in a series of experiments using GAMMASPHERE for {gamma}-ray detection and a silicon strip detector for measuring the angles of projectilelike and targetlike fragments. In three experiments 61 new transitions up to a maximum spin of 22{h_bar} in 12 neutron-rich rare-earth nuclei were found. We observe that {gamma}-ray yields as a function of spin are flatter for all neutron transfer products than for inelastic excitation of either the projectile or target nucleus. Calculations are presented which indicate that this difference cannot be accounted for by quasielastic processes, but more likely are the result of larger energy loss processes, such as deep inelastic reactions. {copyright} {ital 1999} {ital The American Physical Society}

• OSTI ID: 686580
• Journal Information: Physical Review, C, Journal Name: Physical Review, C Journal Issue: 4 Vol. 60; ISSN 0556-2813; ISSN PRVCAN
• Country of Publication: United States
• Language: English

Related Subjects

66 PHYSICS
DEEP INELASTIC HEAVY ION REACTIONS
GAMMA SPECTRA
HIGH SPIN STATES
NEUTRON-RICH ISOTOPES
NUCLEAR FRAGMENTATION
SPIN