6533b82cfe1ef96bd1290771
RESEARCH PRODUCT
Absorptive effects inK+Λphotoproduction on nucleons and nuclei
M. KohnoC. BennholdH. Tanabesubject
Nuclear physicsPhysicsNuclear reactionCoupling constantNuclear and High Energy PhysicsAngular momentumMesonBranching fractionHadronElementary particleAtomic physicsNucleondescription
Incorporating final state correlation effects, we have reinvestigated the ..gamma.. /sup 1/H..-->..K/sup +/..lambda.. elementary process. Our model not only resolves the persisting trouble of the small KN..lambda.. coupling constant, but also yields agreement with cross section data at higher energies. Using our amplitudes, we calculate angular distributions for the reaction /sup 16/O(..gamma..,K/sup +/)/sub ..lambda..//sup 16/N . While the forward cross section increases with increasing energy, the total cross section is almost constant from E/sub ..gamma../ = 1.2 GeV through 2 GeV, suggesting that rather low photon energies hold promise for exploration of hypernuclear excitations.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 1989-02-01 | Physical Review C |