Fragmentation functions in high energy ν and ν deuterium interactions

D. Allasia, C. Angelini, S. Barlag, L. Bertanza, F. Bianchi, A. Bigi, V. Bisi, F. Bobisut, T. Bolognese, E. Calimani, R. Casali, P. Capiluppi, S. Ciampolillo, J. Derkaoui, M. L. Faccini-Turluer, R. Fantechi, V. Flaminio, A. G. Frodesen, D. Gamba, G. GiacomelliB. Grung, A. Halsteinslid, A. Hornaes, H. Huzita, B. Jongejans, M. Loreti, C. Louedec, G. Mandrioli, A. Marzari-Chiesa, P. Mazzanti, L. Mosca, K. Myklebost, A. Nappi, R. Pazzi, G. M. Pierazzini, L. Riccati, A. Romero, A. M. Rossi, A. Sconza, P. Serra-Lugaresi, G. W. van Apeldoorn, P. van Dam, D. Vignaud, C. Visser, R. Wigmans

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

Quark fragmentation functions are studied in charged current ν and ν interactions in deuterium. The W2, Q2 and y dependences are compared with the predictions of first order QCD and with those of higher twists. The W2 dependence is a small effect in our kinematical range and our data are well linked to the higher W2 muon scattering experiment. The Q2 dependence of non singlet fragmentation functions is well reproduced by first order QCD but part of this dependence could be due to some low W kinematical effect. The y-z factorization breaking seems to be a low W effect but a small higher twist term, as predicted by Berger cannot be excluded.

Original languageEnglish
Pages (from-to)543-549
Number of pages7
JournalPhysics Letters B
Volume124
Issue number6
DOIs
StatePublished - May 12 1983

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