Two-prong πhe interactions at 106 MeV

N. Angelov, S. Baginyan, F. Balestra, Yu Batusov, I. Belolaptikov, A. Bianconi, T. Blokhintseva, A. Bonyushkina, V. Butenko, M. Chiosso, M. L. Colantoni, A. Dem'yanov, V. Drozdov, L. Fava, A. Ferrero, V. Frolov, R. Garfagnini, I. Gnesi, A. Grasso, V. GrebenyukV. Ivanov, A. Kirilov, V. Kovalenko, E. Lodi Rizzini, V. Lyashenkov, A. Maggiora, M. Maggiora, A. Moiseenko, V. Panyushkin, D. Panzieri, B. Parsamyan, G. Piragino, G. Pontecorvo, V. Pryanichnikov, A. Rozhdestvensky, N. Russakovich, M. Schepkin, I. Smirnova, L. Venturelli, G. F. Zosi

Risultato della ricerca: Contributo su rivistaArticolo in rivistapeer review

Abstract

π-4He interactions at 106MeV, with two secondary charged particles in the final state, have been studied using a self-shunted streamer chamber in a 0.65T magnetic field and equipped with two CCD videocameras for obtaining digitized stereo-images of nuclear events occurring within the fiducial volume of the streamer chamber. Branching ratios for the various interaction channels are deduced. Evidence is presented for a reaction channel involving a γ produced in the final state, as well as for the first observation of direct Δ- -resonance production. Cross-section distributions for the elastic and quasi-elastic interaction channels are also reported.

Lingua originaleInglese
pagine (da-a)255-269
Numero di pagine15
RivistaEuropean Physical Journal A
Volume34
Numero di pubblicazione3
DOI
Stato di pubblicazionePubblicato - dic 2007
Pubblicato esternamente

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