Article

Study of the 90Zr( p ,α)87Y reaction at 22 MeV

European Physical Journal A (impact factor: 2.19). 03/1998; 1(4):365-378. DOI:10.1007/s100500050071 pp.365-378

ABSTRACT The (p,α) reaction on 90Zr has been studied in a high resolution experiment at an incident proton energy of 22 MeV. The cross section and asymmetry
angular distributions for transitions to 36 levels of 87Y with an excitation energy up to 3 MeV have been measured. DWBA analyses of experimental angular distributions, using either
Woods-Saxon or Double Folded potentials for the exit channel, have been done, allowing either the confirmation of previous
spin and parity values or the assignment of new spin and parity to a large number of states. The structure of low lying states
of 87Y has been studied in the framework of the shell model, using the OXBASH code. With the interaction PMM90 reasonable agreement
is obtained for part of the negative parity spectrum.

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Keywords

3 MeV
 
36 levels
 
cross section
 
Double Folded potentials
 
DWBA analyses
 
exit channel
 
experimental angular distributions
 
interaction PMM90 reasonable agreement
 
previous
 
resolution experiment
 
shell model