R. Univ and J. Altegoer, * ) Now at Univ. of Perugia and INFN References [1], ) 96. [2] J.Altegoer et al., [NOMAD Collaboration], Phys. Lett. B431 (1998) 219. P.Astier et al., [NOMAD Collaboration], Phys. Lett, p.453, 1998.

G. Ingelman, The Lund Monte Carlo for Deep Inelastic Lepton- Nucleon Scattering, pp.92-0065, 1992.

T. Sjöstrand, PYTHIA 5.7 and JETSET 7.4: physics and manual, p.9508391, 1995.

M. Anfreville, The drift chambers of the NOMAD experiment, Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol.481, issue.1-3
DOI : 10.1016/S0168-9002(01)01371-7

URL : https://hal.archives-ouvertes.fr/in2p3-00133993

M. Burkardt and R. L. Jaffe, ????? + X, Physical Review Letters, vol.70, issue.17, p.2537, 1993.
DOI : 10.1103/PhysRevLett.70.2537

R. L. Jaffe, in the current fragmentation region, Physical Review D, vol.54, issue.11, p.6581, 1996.
DOI : 10.1103/PhysRevD.54.R6581