Measurement of 14.54 MeV neutron induced reaction cross sections of Cr and Mn with covariance analysis
Author:
Pasha Imran1, Basavanna Rudraswamy1, Yerranguntla Santhi Sheela2, Suryanarayana Saraswatula Venkata3, Naik Haladhara4, Midhun Cherumukku Vallabhan5, Patel Tarun6
Affiliation:
1. Department of Physics , Bangalore University , Bengaluru, Karnataka 560056 , India 2. Parkala , Udupi, Karnataka 576107 , India 3. Nuclear Physics Division, Bhabha Atomic Research Centre , Mumbai 400085 , India 4. Radio Chemistry Division, Bhabha Atomic Research Centre , Mumbai 400085 , India 5. Department of Physics , University of Calicut , Calicut, Kerala 673635 , India 6. Neutron and X-ray Physics Division, Bhabha Atomic Research Centre , Mumbai 400085 , India
Abstract
Abstract
The 50Cr(n,2n)49Cr, 52Cr(n,2n)51Cr, 52Cr(n,p)52V, 55Mn(n,2n)54Mn, 55Mn(n,α)52V and 55Mn(n,γ)56Mn reaction cross sections at the neutron energy of 14.54 ± 0.24 MeV were measured by using activation method along with off-line γ-ray spectrometry. The 27Al(n,p)27Mg monitor reaction was used for the 52Cr(n,p)52V and 55Mn(n,α)52V reactions, whereas the 197Au(n,γ)198Au monitor reaction for the 55Mn(n,γ)56Mn reaction. The 27Al(n,α)24Na monitor reaction was used for other three reactions. The neutron beam was generated from the T(d,n)4He reaction using the Purnima neutron generator at BARC, Mumbai. The covariance analysis for the uncertainties of reaction cross sections was performed by considering the correlations between different attributes. The present results were compared with the literature data, evaluated data of ENDF, ROSFOND, CENDL, JENDL and JEFF libraries as well as with the theoretical values based on TALYS-1.9 calculation.
Publisher
Walter de Gruyter GmbH
Subject
Physical and Theoretical Chemistry
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