Study of Reaction Mechanism in P+51V and P+209Bi Systems At Various Proton Energies

dc.contributor.authorMelese, Dessie
dc.date.accessioned2018-06-21T06:58:25Z
dc.date.accessioned2023-11-09T11:23:23Z
dc.date.available2018-06-21T06:58:25Z
dc.date.available2023-11-09T11:23:23Z
dc.date.issued2016-06
dc.description.abstractIn this thesis, proton induced reactions on 51V and 209Bi have been studied for various proton energies (7 - 70 MeV). Theoretical equilibrium (EQ) and pre-equilibrium (PE) excitation functions are compared with experimental values. The study showed that the EQ excitation functions are not comparable to that of the experimental at higher energies in all reactions. It is also observed that neither EQ nor PE excitation functions are compatible to that of the experimental for 51V(p,3n) and 51V(p,4n) reactions; the cross-section peaks of 209Bi(p,xn) reactions increase as the number of emitting neutrons increases from one to three; and the cross-section values of 51V(p,n) reaction is higher than that of p+209Bi reaction at proton energies below about 20 MeV. Based on these observations, conclusions are drawn about the failure of the pure equilibrium reaction in its decay to explain the experimental data in the high energy tail portion of the excitation functions, which, however, are explained by pre-equilibrium theory; about the validity of Bohr‟s theory that EQ decay takes place at lower energies for the lighter target (51V) and at lower and medium energies for the heavier target (209Bi); and about the presence of higher probability for 51V(p,n) reaction to occur compared to that of p+209Bi at proton energies below 20 MeVen_US
dc.identifier.urihttp://10.90.10.223:4000/handle/123456789/2493
dc.language.isoenen_US
dc.publisherAddis Ababa Universityen_US
dc.subjectStudy of Reaction Mechanismen_US
dc.titleStudy of Reaction Mechanism in P+51V and P+209Bi Systems At Various Proton Energiesen_US
dc.typeThesisen_US

Files

Original bundle
Now showing 1 - 1 of 1
No Thumbnail Available
Name:
Dessie melese.pdf
Size:
1.51 MB
Format:
Adobe Portable Document Format
License bundle
Now showing 1 - 1 of 1
No Thumbnail Available
Name:
license.txt
Size:
1.71 KB
Format:
Plain Text
Description:

Collections