EXCITATION FUNCTIONS FOR THE PRODUCTION OF F-18 AND NA-24 FROM AL AND SI WITH FAST PIONS
1985
7 pages
Published in:
- Phys.Rev.C 32 (1985) 1305-1311
Citations per year
Abstract: (APS)
The excitation functions for the pion-induced reactions Al27(π±,xN)18F, Al27(π±,xN)24Na, Si(π±,xN)18F, and Si(π±,xN)24Na have been determined for 50- to 390-MeV π+ and 50- to 500-MeV π−. These excitation functions will enable experimenters to monitor high-intensity pion beams by activation of readily available high-purity Al foils or Si disks. The four excitation functions for F18 production and the two for Na24 production by π+ show similar (3,3) resonance patterns. However, those for Na24 production by π− are strikingly different in that the cross sections remain large from the resonance energy on down. This feature is attributed to increasing contributions from π− absorption and charge exchange with decreasing energy.- PI+ NUCLEUS: NUCLEAR REACTION
- PI- NUCLEUS: NUCLEAR REACTION
- ALUMINUM
- SILICON
- NUCLEON: MULTIPLE PRODUCTION
- MULTIPLE PRODUCTION: NUCLEON
- FLUORINE: PRODUCTION
- PRODUCTION: FLUORINE
- SODIUM: PRODUCTION
- PRODUCTION: SODIUM
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