Published 1993
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Coherent pion production in nucleus-nucleus reactions
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Description
Results from two earlier experiments searching for coherent pions are discussed. The 12C (12C, 12C) reaction has been studied at GANIL at 95 MeV/nucleon giving an upper limit for the cross section (≤60nb). Recent measurements performed at SATURNE using the 12C(3He,t) reaction at 2 GeV clearly show a strong indication for coherent pion production and a large shift of the Δ-peak observed in the coherent channel. Both reactions probe the spin-longitudinal response of nuclei. In the intermediate region, near pion production threshold, the distortion effects are less important than at low energy and moreover, the coherence effects might be enhanced. (K.A.) 11 refs., 6 figs
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Additional details
Publishing Information
- Imprint Pagination
- 10 p.
- Report number
- LPN--93-18
Conference
- Title
- Hot and dense nuclear matter.
- Dates
- 26 Sep - 9 Oct 1993.
- Place
- Bodrum (Turkey).
INIS
- Country of Publication
- France
- Country of Input or Organization
- France
- INIS RN
- 25053804
- Subject category
- S73: NUCLEAR PHYSICS AND RADIATION PHYSICS; S73: NUCLEAR PHYSICS AND RADIATION PHYSICS;
- Resource subtype / Literary indicator
- Conference
- Descriptors DEI
- CARBON 12 REACTIONS; CARBON 12 TARGET; COHERENT PRODUCTION; CROSS SECTIONS; HELIUM 3 REACTIONS; PIONS; SATURNE
- Descriptors DEC
- ACCELERATORS; BOSONS; CYCLIC ACCELERATORS; ELEMENTARY PARTICLES; HADRONS; HEAVY ION REACTIONS; INTERACTIONS; MESONS; NUCLEAR REACTIONS; PARTICLE INTERACTIONS; PARTICLE PRODUCTION; PSEUDOSCALAR MESONS; SYNCHROTRONS; TARGETS