Single pion production in charged current {Mathematical expression} interactions at high energies

D. Allasia, C. Angelini, S. Barlag, L. Bertanza, A. Bigi, V. Bisi, F. Bobisut, T. Bolognese, R. Bonarelli, E. Calimani, R. Casali, P. Capiluppi, S. Ciampolillo, J. Derkaoui, M. L. Faccini-Turluer, R. Fantechi, V. Flaminio, D. Gamba, H. Huzita, B. JongejansR. A. Kunne, I. Lippi, M. Loreti, C. Louedec, G. Mandrioli, A. Marzari-Chiesa, A. Nappi, R. Pazzi, G. M. Pierazzini, L. Ramello, L. Riccati, A. Romero, A. M. Rossi, J. Saudraix, A. Sconza, P. Serra-Lugaresi, A. Tenner, G. W. van Apeldoorn, P. van Dam, D. Vignaud, C. Visser, R. Wigmans

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

The reactions {Mathematical expression} and {Mathematical expression} have been studied at antineutrino energies varying from 5 to 200 GeV. The cross sections for these reactions were determined from 545 and 300 selected events for each channel respectively. The first reaction was used for the study of the decay properties of the Δ resonance that dominates this channel. The experimental results have been compared with the theoretical predictions of Rein and Sehgal [9] and of Fogli and Nardulli [10]. Using the first model we obtained for the axial form factor parameter Ma=1.01±0.05 GeV/c2. With this value the model is in agreement with the experimental dσ/dQ2 distributions for Q2>0.25 GeV2 and with the distributions of the invariant hadronic mass W. The isospin structure of the one-pion production has been investigated and compared with the results of other experiments.

Original languageEnglish
Pages (from-to)95-100
Number of pages6
JournalZeitschrift für Physik C Particles and Fields
Volume20
Issue number2
DOIs
StatePublished - Jun 1983

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