Cross section measurements of the pion single-charge-exchange reaction sup 12 C(. pi. sup + ,. pi. sup 0 ) sup 12 N(g. s. )
Journal Article
·
· Physical Review, C (Nuclear Physics); (USA)
- Isotope and Nuclear Chemistry Division, Los Alamos National Laboratory, Los Alamos, NM (USA)
Total cross sections for the pion single-charge-exchange reaction {sup 12}C({pi}{sup +},{pi}{sup 0}){sup 12}N (ground state) were measured at 116, 160, 180, 200, 230, and 291 MeV with a fast activation technique. The excitation function for this nonanalog, spin-flip transition was found to be flat over this energy region that includes the (3,3) resonance. Good agreement is noted between these measurements and the estimated cross sections obtained from pion inelastic scattering measurements for the analog reaction {sup 12}C({pi}{sup +},{pi}{sup +}{prime}){sup 12}C{sup *} (1{sup +},{ital T}=1,{ital E}{sub {ital x}}=15.1 MeV) for all energies except 230 MeV. Distorted-wave impulse-approximation calculations in the {Delta}-hole formalism do not reproduce the trend of the data.
- OSTI ID:
- 6279193
- Journal Information:
- Physical Review, C (Nuclear Physics); (USA), Journal Name: Physical Review, C (Nuclear Physics); (USA) Vol. 42:3; ISSN 0556-2813; ISSN PRVCA
- Country of Publication:
- United States
- Language:
- English
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Fri Feb 29 23:00:00 EST 1980
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· Phys. Rev. C; (United States)
·
OSTI ID:6043585
Related Subjects
651320* -- Nuclear Properties & Reactions
A=6-19
Experimental
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BOSONS
CARBON 12 TARGET
CHARGE-EXCHANGE REACTIONS
CHARGED-PARTICLE REACTIONS
CROSS SECTIONS
DATA
DISTORTED WAVE THEORY
ELEMENTARY PARTICLES
ENERGY RANGE
EXCITATION FUNCTIONS
EXPERIMENTAL DATA
FUNCTIONS
HADRON REACTIONS
HADRONS
IMPULSE APPROXIMATION
INFORMATION
MESON REACTIONS
MESONS
MEV RANGE
MEV RANGE 100-1000
NUCLEAR REACTIONS
NUMERICAL DATA
PION PLUS REACTIONS
PION REACTIONS
PIONS
PIONS NEUTRAL
PSEUDOSCALAR MESONS
TARGETS
TOTAL CROSS SECTIONS
A=6-19
Experimental
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BOSONS
CARBON 12 TARGET
CHARGE-EXCHANGE REACTIONS
CHARGED-PARTICLE REACTIONS
CROSS SECTIONS
DATA
DISTORTED WAVE THEORY
ELEMENTARY PARTICLES
ENERGY RANGE
EXCITATION FUNCTIONS
EXPERIMENTAL DATA
FUNCTIONS
HADRON REACTIONS
HADRONS
IMPULSE APPROXIMATION
INFORMATION
MESON REACTIONS
MESONS
MEV RANGE
MEV RANGE 100-1000
NUCLEAR REACTIONS
NUMERICAL DATA
PION PLUS REACTIONS
PION REACTIONS
PIONS
PIONS NEUTRAL
PSEUDOSCALAR MESONS
TARGETS
TOTAL CROSS SECTIONS