Multistep direct mechanism in the <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mo>(</mo><mrow><mrow><mover><mrow><mi>p</mi></mrow><mrow><mo>→</mo></mrow></mover></mrow></mrow><mrow><msup><mrow><mo>,</mo></mrow><mrow><mn>3</mn></mrow></msup></mrow><mi mathvariant="normal">He</mi><mo>)</mo></math> inclusive reaction <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msup><mrow><mi mathvariant="normal">on</mi></mrow><mrow><mn>59</mn></mrow></msup></mrow></math>Co <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msup><mrow><mi mathvariant="normal">and</mi></mrow><mrow><mn>93</mn></mrow></msup></mrow></math>Nb at an incident energy of 100 MeV

A. A. Cowley; G. F. Steyn; S. S. Dimitrova; P. E. Hodgson; G. J. Arendse; S. V. Förtsch; G. C. Hillhouse; J. J. Lawrie; R. Neveling; W. A. Richter; J. A. Stander; S. M. Wyngaardt

doi:10.1103/PhysRevC.62.064605

Multistep direct mechanism in the $(\vec{p},^{3} He)$ inclusive reaction ${on}^{59}$ Co ${and}^{93}$ Nb at an incident energy of 100 MeV

A. A. Cowley, G. F. Steyn, S. S. Dimitrova, P. E. Hodgson, G. J. Arendse, S. V. Förtsch, G. C. Hillhouse, J. J. Lawrie, R. Neveling, W. A. Richter, J. A. Stander, and S. M. Wyngaardt

Phys. Rev. C 62, 064605 – Published 2 November 2000

Abstract

The inclusive $(\vec{p},^{3} He)$ reactions on $^{59} Co$ and $^{93} Nb$ were investigated at an incident energy of 100 MeV. Emission-energy distributions for cross sections as well as analyzing powers, were measured from a threshold of $\sim 35 MeV,$ determined by the detector configuration, up to the kinematic maximum. An angular range from 15° to 140° (lab) was covered. The experimental distributions were compared with a multistep direct theory in which a reaction mechanism based on deuteron pickup is employed. Reasonable agreement between experimental double differential cross sections and analyzing powers and the theoretical expectation is obtained.

Received 1 August 2000

DOI:https://doi.org/10.1103/PhysRevC.62.064605

Authors & Affiliations

A. A. Cowley¹, G. F. Steyn², S. S. Dimitrova^3,4, P. E. Hodgson⁴, G. J. Arendse¹, S. V. Förtsch², G. C. Hillhouse¹, J. J. Lawrie², R. Neveling¹, W. A. Richter¹, J. A. Stander¹, and S. M. Wyngaardt¹

¹Department of Physics, University of Stellenbosch, Private Bag X1, Matieland, 7602, South Africa
²National Accelerator Centre, P.O. Box 72, Faure, 7131, South Africa
³Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences, 1784 Sofia, Bulgaria
⁴Nuclear Physics Laboratory, Department of Physics, University of Oxford, Oxford OXI 3RH, United Kingdom

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Vol. 62, Iss. 6 — December 2000

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