التفاصيل البيبلوغرافية
| العنوان: |
Investigation of the subthreshold production of K − mesons in proton-nucleus collisions. |
| المؤلفون: |
Akindinov, A.V., Kiselev, Yu.T., Martemyanov, A.N., Mikhailov, K.R., Paryev, E.Ya., Smirnitsky, V.A., Terekhov, Yu.V., Chumakov, M.M., Sheinkman, V.A. |
| المصدر: |
JETP Letters; Mar2007, Vol. 85 Issue 3, p142-148, 7p, 2 Charts, 4 Graphs |
| مصطلحات موضوعية: |
MESONS, COLLISIONS (Nuclear physics), ATOM-molecule collisions, PARTICLES (Nuclear physics), ATOMIC orbitals, ATOMS, ELECTRONS |
| مستخلص: |
The differential cross sections for the proton-induced production of K − mesons on Be, Al, and Cu nuclei in the subthreshold energy region have been measured. Folding-model calculation including three channels of their production satisfactorily reproduces the experimental data. It has been shown that the main contribution to the production of hard K − mesons comes from the nonresonant direct process. Evidence for the existence of an attractive optical potential with a magnitude of about 140 MeV for K − at normal nuclear density has been obtained. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
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