MULTISTEP DIRECT ANALYSIS OF (P,ALPHA) REACTIONS TO THE CONTINUUM

Authors
GUAZZONI P ZETTA L DEMETRIOU P HODGSON PE
Citation
P. Guazzoni et al., MULTISTEP DIRECT ANALYSIS OF (P,ALPHA) REACTIONS TO THE CONTINUUM, ZEITSCHRIFT FUR PHYSIK A-HADRONS AND NUCLEI, 354(1), 1996, pp. 53-58
Citations number
17
Categorie Soggetti
Physics, Nuclear","Physics, Particles & Fields
Journal title
ZEITSCHRIFT FUR PHYSIK A-HADRONS AND NUCLEI → ACNP
ISSN journal
09397922
Volume
354
Issue
1
Year of publication
1996
Pages
53 - 58
Database
ISI
SICI code
0939-7922(1996)354:1<53:MDAO(R>2.0.ZU;2-B
Abstract
The double differential cross-sections for the (p,alpha) reaction have been measured for the isotope pairs Zr-90,Zr-91 at 24.02 MeV and Nd-1 42,Nd-143 at 23.1 MeV. The cross-sections are separated into compound nucleus and multistep direct components by the subtraction method and analyzed using the Hauser-Feshbach and Feshbach-Kerman-Koonin theories . The direct interaction is assumed to take place by the alpha-particl e knockout process. The extent to which the unpaired neutrons in Zr-91 and Nd-143 act spectators in the reaction is studied and the role of pairing effects assessed.