SIMPLE NUCLEAR REACTIONS OF Ga$sup 69$ AND Ga$sup 71$ WITH HIGH-ENERGY PROTONS

Journal Article · Thu Feb 15 04:00:00 EST 1962 · Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D

OSTI ID:4795662

Porile, N T

Excitation functions in the energy range of 0.5 to 2.9 Bev were measured for several (p,xn), (p,pxn), and (p,3pxn) reactions of Ga/sup 69/ and Ga/sup 71/. The cross section for the (p,pn) reactions are about 57 mb at 2.9 Bev and 69 mb at 0.5 Bev. The cross sections for the (p,pxn) reactions decrease monotonically as x increases and are some 30-250 times larger than the isobaric (p,xn) reaction cross sections. The results are compared with Monte Carlo cascade and evaporation calculations. Good agreement is obtained at 0.5 Bev except in the case of the (p,pn) reaction. In the Bev region the agreement is less widespread. The (p,pn) cross sections are compared with a calculation that takes the effects of shell structure and a diffuse nuclear surface into account. Some preliminary conclusions about the availability of the 1f/sub 7/2 shell for (p,pn) reactions in this mass region are drawn on the basis of this comparison. (auth)

• Research Organization: Brookhaven National Lab., Upton, N.Y.
• NSA Number: NSA-16-014012
• OSTI ID: 4795662
• Report Number(s): BNL-5706; 0031-899X
• Journal Information: Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D, Journal Name: Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D Vol. Vol: 125; ISSN PHRVA
• Country of Publication: United States
• Language: English

Related Subjects

CROSS SECTIONS
EVAPORATION
EXCITATION
EXCITATION FUNCTION
MEASURED VALUES
NEUTRONS
NUCLEAR CASCADE
NUCLEAR REACTIONS
PHYSICS
PROTON BEAMS