Semicoherent elastic pion-carbon scattering at 25 and 40 GeV/c

In the frame of a systematic study of hadron-nucleus interactions performed at the Serpukhov accelerator (CERN-IHEP 5th experiment), semicoherent elastic scattering on carbon pi /sup -12/C to pi /sup -12 /C* (4.44 MeV) was investigated with 25 and 40 GeV/c incident pions. The experimental data were...

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Detalles Bibliográficos
Autores principales: Bellini, G, Bettinazzi, T, Chernenko, L P, Di Corato, M, Ivanshin, Yu I, Manfredi, P F, Meroni, E, Micheletti, S, Palombo, F, Pisarev, I L, Ragusa, F, Rancoita, P G, Sychkov, S I, Tjapkin, A A, Vegni, G, Vishniakov, V V, Zaimidoroga, O A
Lenguaje:eng
Publicado: 1979
Materias:
Particle Physics - Experiment
Acceso en línea:https://dx.doi.org/10.1016/0550-3213(79)90187-1
http://cds.cern.ch/record/133663
Descripción
Sumario:In the frame of a systematic study of hadron-nucleus interactions performed at the Serpukhov accelerator (CERN-IHEP 5th experiment), semicoherent elastic scattering on carbon pi /sup -12/C to pi /sup -12 /C* (4.44 MeV) was investigated with 25 and 40 GeV/c incident pions. The experimental data were obtained with a counter technique, looking at the coincidence between the scattered pion and the 4.44 MeV photon from the J/sup P/=2/sup +/ carbon excited state detected by a NaI counter. The value obtained for the integrated cross section at 40 GeV /c in the 0.0032<or= mod t mod <or=0.27 (GeV/c)/sup 2/ four-momentum transfer range is sigma =1.16+or-0.11 mb. According to the theoretical models, this t-range at 40 GeV/c covers more than 90% of the angular distribution, so the above value almost corresponds to the total semicoherent elastic cross section. (13 refs).

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