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Double analog transition /sup 14/C(. pi. /sup +/,. pi. /sup -/) /sup 14/O at 50 MeV

Journal Article · · Phys. Rev. Lett.; (United States)
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Differential cross sections for the double-isobaric-analog-state transition in the reaction /sup 14/C(..pi../sup +/,..pi../sup -/) /sup 14/O were measured over the angular range 20/sup 0/ to 130/sup 0/. The cross section extrapolated to 0/sup 0/ is 3.9 +- 0.5 ..mu..b/sr and the angle-integrated cross section is 15.3 +- 1.6 ..mu..b. These values are much larger than expected from the trends of data at higher energies and may indicate the presence of new phenomena. The results are compared to recent six-quark bag-model calculations which predict such trends.
Research Organization:
Los Alamos National Laboratory, Los Alamos, New Mexico 87545
OSTI ID:
5757676
Journal Information:
Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 54:14; ISSN PRLTA
Country of Publication:
United States
Language:
English

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Related Subjects

651325* -- Nuclear Properties & Reactions
A=6-19
Experimental-- Nuclear Reactions & Scattering-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BAG MODEL
BETA DECAY RADIOISOTOPES
BETA-PLUS DECAY RADIOISOTOPES
BOSONS
CARBON 14 TARGET
CHARGE-EXCHANGE REACTIONS
CHARGED-PARTICLE REACTIONS
COMPOSITE MODELS
CROSS SECTIONS
DATA
DIFFERENTIAL CROSS SECTIONS
ELEMENTARY PARTICLES
ENERGY LEVELS
ENERGY RANGE
EVEN-EVEN NUCLEI
EXPERIMENTAL DATA
EXTENDED PARTICLE MODEL
HADRON REACTIONS
HADRONS
INFORMATION
ISOBARIC ANALOGS
ISOTOPES
LIGHT NUCLEI
MATHEMATICAL MODELS
MESON REACTIONS
MESONS
MEV RANGE
MEV RANGE 10-100
MINUTES LIVING RADIOISOTOPES
NUCLEAR REACTIONS
NUCLEI
NUMERICAL DATA
OXYGEN 14
OXYGEN ISOTOPES
PARTICLE MODELS
PION PLUS REACTIONS
PION REACTIONS
PIONS
PIONS MINUS
PSEUDOSCALAR MESONS
QUARK MODEL
RADIOISOTOPES
TARGETS