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The ^9Be(p,α) and (p,d) cross sections at low energies

Sierk, A. J. and Tombrello, T. A. (1973) The ^9Be(p,α) and (p,d) cross sections at low energies. Nuclear Physics A, 210 (2). pp. 341-354. ISSN 0375-9474. doi:10.1016/0375-9474(73)90307-2.

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Cross sections for the ^9Be(p, d) and (p, α) reactions have been measured for proton lab energies of 30 to 700 keV. Angular distributions were measured for energies of 100 to 600 keV. Absolute normalization of the cross sections was done by measuring cross sections for Rutherford scattered α-particles. The maximum cross sections observed at the 330 keV (lab) J^π = 1^− resonance were 360 ± 20 mb for (p, α) and 470 ± 30 mb for (p, d). The value of S_(c.m)(E = 0) for the combined cross sections was estimated to be 35^(+45)_(−15) MeV · b. The reaction data were interpreted in terms of an R-matrix compound nucleus model. There were no obvious effects due to direct reactions. The low-energy behavior of the cross sections was fitted by using three ^(10)B resonance levels; a J^π = 2^+ level at −20 keV (c.m.), a 1^− level at 310 keV (c.m.) and a 1^+ level at 410 keV (c.m.).

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Additional Information:© 1973 North-Holland Publishing Co. Received 7 February 1973. Revised 24 April 1973. Work supported in part by the National Science Foundation [GP-28027].
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Issue or Number:2
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ID Code:61956
Deposited By: Ruth Sustaita
Deposited On:09 Nov 2015 18:13
Last Modified:10 Nov 2021 22:56

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