Fission fragment angular distribution in alpha-particle-induced fission of actinide elements

Pramana ◽  
1995 ◽  
Vol 45 (6) ◽  
pp. 519-531 ◽  
Author(s):  
R K Jain ◽  
S K Bose ◽  
J Rama Rao
Keyword(s):  
Angular Distribution ◽  
Alpha Particle ◽  
Fission Fragment ◽  
Fragment Angular Distribution ◽  
Induced Fission ◽  
Actinide Elements

Fission fragment angular distribution in proton-induced fission of209Bi

1969 ◽  
Vol 2 (18) ◽  
pp. 904-908 ◽  
Author(s):  
E. Gadioli ◽  
I. Iori ◽  
N. Molho ◽  
L. Zetta
Keyword(s):  
Angular Distribution ◽  
Fission Fragment ◽  
Fragment Angular Distribution ◽  
Induced Fission

Role of entrance channel properties in heavy ion induced fission fragment angular distribution studies

2004 ◽  
Vol 734 ◽  
pp. 249-252 ◽  
Author(s):  
Bivash R. Behera ◽  
S. Kailas ◽  
K. Mahata ◽  
A. Chatterjee ◽  
P. Basu ◽  
...  
Keyword(s):  
Angular Distribution ◽  
Fission Fragment ◽  
Heavy Ion ◽  
Entrance Channel ◽  
Fragment Angular Distribution ◽  
Induced Fission ◽  
Distribution Studies ◽  
Channel Properties

Experimental study of the transfer-induced fission fragment angular distribution in the Li6+U238 reaction

2017 ◽  
Vol 96 (5) ◽  
Author(s):  
A. Parihari ◽  
G. Mohanto ◽  
Gurpreet Kaur ◽  
A. Jhingan ◽  
K. Mahata ◽  
...  
Keyword(s):  
Experimental Study ◽  
Angular Distribution ◽  
Fission Fragment ◽  
Fragment Angular Distribution ◽  
Induced Fission

Investigation on Neutron-Induced Fission Fragment Angular Distribution of 232Th and 238U

2018 ◽  
Vol 73 (11) ◽  
pp. 1075-1081
Author(s):  
Soleiman Rasouli ◽  
A.N. Behkami ◽  
R. Razavi ◽  
Amir Abbas Sabouri Dodaran ◽  
M.R. Bayati
Keyword(s):  
Angular Distribution ◽  
Cross Section ◽  
Fission Fragment ◽  
Statistical Modelling ◽  
Incident Neutron ◽  
Maximum Probability ◽  
Accurate Analysis ◽  
High Resolution Data ◽  
Fragment Angular Distribution ◽  
Induced Fission

AbstractFission fragment angular distribution (FFAD) data would help obtain new insights into both the fission process and the mechanism of the projectile’s interaction with the nucleus. Recently, a structure has been reported in neutron-induced FFAD of even-even actinide nuclei near threshold. Statistical modelling is used in this article to analyse FFAD from neutron-induced fission of 238U and 232Th. The statistical variance K02 is obtained by fitting the measured fragment anisotropies with a theoretical model. Accurate analysis is performed to deduce the variance K02 of the K-distribution of the levels in the transition nucleus at neutron energies from threshold to 50 MeV. We show the method by which quantitative values of K02 can be obtained. The results not only present high-resolution data in these even-even nuclei but also show that for the 238U(n,f) reaction, the strength for the K-transition states comes mainly from the higher angular momenta, in agreement with the Nilsson model orbitals. We also study the periodic structure of anisotropy related to the set of (n,f) reactions in comparison with the related cross section performed with the TALYS code. The comparison of the variance with the cross section clearly illustrates the strong correlation between the value of the variance and the opening of a fission chance. We show that whenever the probability of reaction in a new channel and cross section increases, K02 decreases versus the incident neutron energy, so the minimum of K02 can show the maximum probability of the (n,f)xn reaction.

scholarly journals Angular distribution and inertia parameters i Alpha-induced fission of 232Th, 233U, and 238U

2003 ◽  
Vol 18 (1) ◽  
pp. 31-35 ◽  
Author(s):  
Farhad Rahimi ◽  
Omid Ghodsi ◽  
Aziz Behkami
Keyword(s):  
Angular Distribution ◽  
Transition State ◽  
Fission Fragment ◽  
Statistical Parameter ◽  
Theoretical Expression ◽  
Fragment Angular Distribution ◽  
Inertia Parameters ◽  
Induced Fission ◽  
The Moment ◽  
Experimental Values

The analysis of the selected fission fragment angular distribution from alpha induced fission is made by using an exact theoretical expression. Theoretical anisotropics obtained with transition state modes are compared with their corresponding experimental values. The agreement between the calculated and experimental values is very good. The values of the statistical parameter K02 are used for calculation of the inertia parameters. The results indicate an increase in the moment of inertia.

Fission fragment angular distribution for theF19+Au197fusion-fission reaction at near-barrier energies

2005 ◽  
Vol 71 (4) ◽  
Author(s):  
R. Tripathi ◽  
K. Sudarshan ◽  
S. Sodaye ◽  
A. V. R. Reddy ◽  
K. Mahata ◽  
...  
Keyword(s):  
Angular Distribution ◽  
Fission Fragment ◽  
Fission Reaction ◽  
Fragment Angular Distribution

MEASUREMENT OF FISSION FRAGMENT ANISOTROPIES FOR PROTON-INDUCED FISSION OF TWO PRE-ACTINIDE NUCLEI AT SEVERAL ENERGIES

2007 ◽  
Vol 22 (05) ◽  
pp. 1027-1037 ◽  
Author(s):  
S. SOHEYLI ◽  
H. NOSHAD ◽  
M. LAMEHI-RACHTI
Keyword(s):  
Angular Distribution ◽  
Statistical Model ◽  
Cross Sections ◽  
Fission Fragment ◽  
Anomalous Behavior ◽  
Surface Barrier ◽  
Mass Asymmetry ◽  
Fission Fragments ◽  
Induced Fission ◽  
Barrier Detectors

The angular distribution of fission fragments has been measured for proton-induced fission of 197 Au and 209 Bi nuclei at several energies between 25 and 30 MeV using surface-barrier detectors. The measured anisotropies are found to be in agreement with the predictions of the standard saddle-point statistical model. The measured anisotropies for neither of the nuclei show any anomalous behavior as a function of both energy and entrance channel mass asymmetry. The fission cross sections of 197 Au and 209 Bi nuclei were also measured and compared with that of the previous works.

Anomalous fission fragment angular distribution in theB11+Am243reaction at near-barrier energies

2007 ◽  
Vol 75 (2) ◽  
Author(s):  
R. Tripathi ◽  
K. Sudarshan ◽  
S. Sodaye ◽  
S. K. Sharma ◽  
A. V. R. Reddy
Keyword(s):  
Angular Distribution ◽  
Fission Fragment ◽  
Fragment Angular Distribution
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