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NUCLEAR STRUCTURE STUDIES IN THE ZIRCONIUM ISOTOPES WITH (d,p) AND (d,t) REACTIONS

Journal Article · · Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D
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Angular distributions from (d,p) reactions in the zirconium isotopes are found to agree exceedingly well with distorted-wave Born approximation calculations; this agreement includes the absolute cross sections. These reactions are used to assign all levels excited by (d,p) reactions in Zr/sup 90/, Zr/sup 91/, Zr/sup 92/, Zr/sup 94/, and Zr/sup 96/, to singleparticle (S.P.) states. The summed cross sections for each S. P. state in each isotope are close to expectations. The centers of gravity'' of each S. P. state are located; all of these including the nonpaired levels from the (d,p) reaction on Zr/sup 91/, behave very smoothly as a function of A. The summed cross sections for states of I = 0, 2, and 4 from Zr/sup 91/(d,p) each also agree with theory. The ground state of Zr/sup 92/ is found to be 78% (d/sub 5/2/)/sup 2/. Results from (d,t) reactions on the even isotopes leading to states other than d/sub 5/2/ behave very anomalously. Attempts to explain them are discussed but more data are needed. The Zr/sup 91/(d,t) reaction is used to obtain information on the ground state of Zr/sup 91/, and on the 3 - state of Zr/sup 90/. (auth)

Research Organization:
Univ. of Pittsburgh
NSA Number:
NSA-17-034956
OSTI ID:
4663092
Journal Information:
Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D, Journal Name: Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D Vol. Vol: 131; ISSN PHRVA
Country of Publication:
Country unknown/Code not available
Language:
English

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Related Subjects

ANGULAR DISTRIBUTION
ANGULAR MOMENTUM
CROSS SECTIONS
DEUTERON BEAMS
DWBA APPROXIMATION
ENERGY LEVELS
MOMENTUM
NUCLEAR MODELS
NUCLEAR REACTIONS
NUCLEAR STRUCTURE
NUMERICALS
PHYSICS
PROTONS
REACTION KINETICS
SINGLE- PARTICLE MODEL
SPIN
TRITONS
ZIRCONIUM 90
ZIRCONIUM 91
ZIRCONIUM 92
ZIRCONIUM 94
ZIRCONIUM 96