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Light-Ion Production in The Interaction of 175 MeV Neutrons with Iron and Bismuth
R. Bevilacqua,S. Pomp,V. D. Simutkin,U. Tippawan,M. Hayashi,S. Hirayama,Y. Naitou,Y. Watanabe,A. V. Prokofiev,A. Hjalmarsson,P. Andersson,J. Blomgren,M. Osterlund,M. Tesinsky,F. -R. Lecolley,N. Marie 한국물리학회 2011 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.59 No.23
We have measured double-differential (angle and energy) cross sections for light-ion (p, d, t, ^3He, and α) production in the interaction of quasi-monoenergetic 175 MeV neutrons with iron and bismuth. Measurements have been performed at the The Svedberg Laboratory, Uppsala (Sweden), using the Medley setup which allows low-energy thresholds and wide energy and angular ranges. Medley is a spectrometer system consisting of eight three-element telescopes placed at angles from 20˚ to 160˚, in steps of 20˚. Each telescope is composed of two silicon surface barrier detectors and a CsI(Tl) scintillator, to perform particle identification,fully stop the produced light-ions and measure their kinetic energy. The time-of-flight was used to reduce the contribution from the low energy tail in the accepted incident neutron spectrum. We report double-differential production cross sections for protons, deuterons, tritons, ^3He and α particles and compare them with model calculations with TALYS-1.2.
Neutron Elastic Scattering Cross-Section Measurements at 175 MeV
M. Tesinsky,P. Andersson,C. Gustavsson,S. Pomp,Osterlund,J. Blomgren,V. Simutkin,R. Bevilacqua,A. Hjalmarsson,A. Prokofiev,U. Tippawan,F. -R. Lecolley,N. Marie,A. Kolozhvari 한국물리학회 2011 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.59 No.23
An off-line data analysis of an experimental campaign on elastic neutron cross-section measurements at 175 MeV for iron and bismuth performed by the scandal set-up has started. Energy calibration has shown expected values of energy resolution and MCNPX simulations have provided suggestions for further analysis.
Measurements of Inelastic Neutron Scattering at 96 MeV from Carbon, Iron, Yttriumand Lead
A. Ohrn,C. Gustavsson,M. Blann,V. Blideanu,J. Blomgren,S. Chiba,H. Duarte,F. Haddad,C. Kalbach,J. Klug,A. Koning,C. Le brun,C. Lebrun,F. -R. Lecolley,X. Ledoux,N. Marie-noury,P. Mermod,L. Nilsson,M. O 한국물리학회 2011 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.59 No.23
Inelastic neutron scattering for ^(12)C, ^(56)Fe, ^(89)Y and ^(208)Pb have been measured at 96 MeV at the The Svedberg Laboratory in Uppsala and double-differential cross sections are reported. Data cover an excitation energy range of 0-45 MeV and the angular intervals are 28 - 58˚ for ^(12)C, 26 - 65˚ for ^(56)Fe and 26 - 52˚ for ^(89)Y and ^(208)Pb. In this experiment, neutron detection is based on conversion to protons in an active scintillator converter. An analysis technique in which the neutron spectra have been obtained through a folding procedure using the response of the detector system has been used. The results are compared to and are in reasonable agreement with several model predictions and with inelastic neutron scattering data at 65 MeV from University of California, Davis, USA.