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Your search keyword '"Punyon, J."' showing total 3 results
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3 results on '"Punyon, J."'

1. Measuring reaction probability ratios to simulate neutron-induced cross-sections of short-lived nuclei

Author

Plettner, C, primary, Ai, H, additional, Beausang, C W, additional, Bernstein, L A, additional, Ahle, L, additional, Amro, H, additional, Babilon, M, additional, Burke, J T, additional, Caggiano, J A, additional, Casten, R F, additional, Church, J A, additional, Cooper, J R, additional, Crider, B, additional, Gürdal, G, additional, Heinz, A, additional, McCutchan, E A, additional, Moody, K, additional, Punyon, J A, additional, Qian, J, additional, Ressler, J J, additional, Schiller, A, additional, Williams, E, additional, and Younes, W, additional

Published
2005
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2. Estimation of (n,f) cross sections by measuring reaction probability ratios

Author

Plettner, C., primary, Ai, H., additional, Beausang, C. W., additional, Bernstein, L. A., additional, Ahle, L., additional, Amro, H., additional, Babilon, M., additional, Burke, J. T., additional, Caggiano, J. A., additional, Casten, R. F., additional, Church, J. A., additional, Cooper, J. R., additional, Crider, B., additional, Gürdal, G., additional, Heinz, A., additional, McCutchan, E. A., additional, Moody, K., additional, Punyon, J. A., additional, Qian, J., additional, Ressler, J. J., additional, Schiller, A., additional, Williams, E., additional, and Younes, W., additional

Published
2005
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3. Surrogate Nuclear Reactions using STARS.

Author

Bernstein, L. A., Burke, J. T., Church, J. A., Ahle, L., Cooper, J. R., Hoffman, R. D., Punyon, J., Schiller, A., Algin, E., Plettner, C., Ai, H., Beausang, C. W., Casten, R. F., Hughes, R., Ricard-McCutchan, E., Meyer, D., Ressler, J. J., Caggiano, J. A., Zamfir, N. V., and Amro, H.

Subjects
NUCLEAR reactions, COLLISIONS (Nuclear physics), NUCLEAR energy, GAMMASPHERE, GAMMA ray detectors, NUCLEAR counters, NUCLEAR physics, PHYSICS
Abstract

The results from two surrogate reaction experiments using the STARS (Silicon Telescope Array for Reaction Studies) spectrometer are presented. The surrogate method involves measuring the particle and/or γ-ray decay probabilities of excited nuclei populated via a direct reaction. These probabilities can then be used to deduce neutron-induced reaction cross sections that lead to the same compound nuclei. In the first experiment STARS coupled to the GAMMASPHERE γ-ray spectrometer successfully reproduce surrogate (n,γ), (n,n′γ) and (n,2nγ) cross sections on 155,156Gd using 3He-induced reactions. In the second series of experiments an energetic deuteron beam from the ESTU tandem at the Wright Nuclear Structure Lab at Yale University was used to obtain the ratio of fission probabilities for 238U/236U and 237U/239U populated using the 236,238U(d,d′f) and 236,238U(d,pf) reactions. Results from these experiments are presented and the implications for the surrogate reaction technique are discussed. © 2005 American Institute of Physics [ABSTRACT FROM AUTHOR]

Published
2005
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