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Photoneutron cross sections of $sup 10$B and $sup 11$B

Journal Article · · Nucl. Phys., A, v. A215, no. 1, pp. 147-156
OSTI ID:4380307
;
The absolute total photoneutron cross sections of /sup 10/B and /sup 11/ B were deduced from bremsstrahlung yield curves for the reactions measured from threshold to 28 MeV. Neutron yields were measured using direct neutron counting, and were analyzed using the variable-bin Penfold- Leiss method. The integrated cross sections from thresholds to 27.6 MeV were found to be 0.36 plus or minus 0.04 for /sup 10/B and 0.37 plus or minus 0.04 for /sup 11/B, both given in units of 60 NZ/A. It is found that shell-model calculations which have been carried out for these nuclei are inadequate in their description of the detail seen experimentally, particularly in the case of /sup 10/B. A discussion of the possibility of isospin splitting in /sup 11/B is also given. (auth)
Research Organization:
Univ. of Melbourne
NSA Number:
NSA-29-006460
OSTI ID:
4380307
Journal Information:
Nucl. Phys., A, v. A215, no. 1, pp. 147-156, Journal Name: Nucl. Phys., A, v. A215, no. 1, pp. 147-156; ISSN NUPAB
Country of Publication:
Country unknown/Code not available
Language:
English

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Related Subjects

*BORON 10-- PHOTONUCLEAR REACTIONS
*BORON 11-- PHOTONUCLEAR REACTIONS
BREMSSTRAHLUNG
CROSS SECTIONS
ISOSPIN
MEV RANGE 10-100
N68351* --Physics (Nuclear
Experimental)--Nuclear Properties & Reactions
6 <= A <= 19--Nuclear Reactions & Scattering
NUCLEAR REACTION YIELD
PHOTONEUTRONS