THE ($gamma$,n) REACTION IN $sup 4$He NUCLEI
Journal Article
·
· Nuovo Cimento (Italy) Divided into Nuovo Cimento A and Nuovo Cimento B
OSTI ID:4275775
The photographic plate method was used to detect He/sup 3/ particles emitted from helium gas exposed io bremsstrahlung of maximum energy 70 Mev. The He/sup 4/( gamma ,n)He/sup 3/ cross section is found to vary between values of 10.63 plus or minus 0.10) mb at 40 Mev and (0.25 plus or minus 0.04) mb at 60 Mev. the integrated cross section being 7.5 Mev mb between these limits. The angular distribution of the He/sup 3/ parti-cles in the C.M. system has a peak in the forward direction and may be described by the expression f( sigma ) = B sin/ sup 2/ theta /(1 + C cos theta ) with C approximately equal to 0.5. (auth)
- Research Organization:
- Univ. of British Columbia, Vancouver; Queen's Coll., Dundee, Scotland
- NSA Number:
- NSA-13-008137
- OSTI ID:
- 4275775
- Journal Information:
- Nuovo Cimento (Italy) Divided into Nuovo Cimento A and Nuovo Cimento B, Journal Name: Nuovo Cimento (Italy) Divided into Nuovo Cimento A and Nuovo Cimento B Vol. Vol: (10) 10; ISSN NUCIA
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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