Abstract
Inelastic final states with one or two leading hadrons are studied in π+p and K+p interactions at 250 GeV/c. In reactions with two leading hadrons, the dependence of the average charge multiplicity of associated pions on their effective mass is essentially consistent with that observed in p̅p and γγ-collisions, but differs from that obtained in e+e− -annihilation. The multiplicity and (semi)inclusive characteristics of the π+-induced non-diffractive reactions are compared to predictions of current versions of the FRITIOF fragmentation model. We show that the hard-like sub-processes, essentially responsible for the production of leading hadrons with relatively large transverse momentum as well as for the relatively large multiplicity of associated pions, are not properly treated in the model.
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References
M. Althoff et al.: Z. Phys. C22 (1984) 307
M. Derrick et al.: Phys. Rev. D17 (1978) 1 P. Allen et al.: Nucl. Phys. B188 (1981) 1 D. Allasia et al.: Z. Phys. C27 (1985) 239
M. Arneodo et al.: Phys. Lett. B149 (1984) 415
I.V. Ajinenko et al., NA22 Coll.: Phys. Lett. B197 (1987) 457
B. Andersson, G. Gustafson and B. Nilsson-Almqvist: Nucl. Phys. B281 (1987) 289
B. Andersson, G. Gustafson and Hong Pi: Z. Phys. C57 (1993) 485
N.M. Agababyan et al., NA22 Coll.: Phys. Lett. B320 (1994) 411
M. Aguilar-Benitez et al.: Nucl. Instrum. Methods 205 (1983) 79
M. Adamus et al., NA22 Coll.: Z. Phys. C32 (1986) 475
M. Adamus et al., NA22 Coll.: Z. Phys. C39 (1988) 311
M. Adamus et al., NA22 Coll.: Phys. Lett. B186 (1987) 223
N. Agababyan et al., NA22 Coll.: Z. Phys. C60 (1993) 229
M. Adamus et al., NA22 Coll.: Z. Phys. C39 (1988) 301
D. Brick et al.: Phys. Lett. 103B (1981) 241
S.V. Chekulaev et al.: Yad. Fis. 49 (1989) 452
C. Bacci et al.: Phys. Lett. 86B (1979) 234
Ch. Berger et al.: Phys. Lett. 95B (1980) 313
B. Niczyporuk et al.: Z. Phys. C9 (1981) 1
J.L. Siegrist et al.: Phys. Rev. D26 (1982) 969
S.E. Baru et al.: Z. Phys. C53 (1992) 219
A. Breakstone et al.: Z. Phys. C11 (1981) 203
R. R. Brandelik et al.: Phys. Lett. 89B (1980) 412; 83B (1979) 261
M. Arneodo et al.: Z. Phys. C36 (1987) 527
G. Gustafson: Nucl. Phys. B (Proc. Suppl.) 16 (1990) 441
I.V. Ajinenko et al., NA22 Coll.: Z. Phys. C49 (1991) 367
M.Z. Akrawy et al.: Z. Phys. C47 (1990) 505
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EHS/NA22 Collaboration. Reactions with leading hadrons in meson-proton interactions at 250 GeV/c. Z Phys C - Particles and Fields 75, 229–236 (1997). https://doi.org/10.1007/s002880050465
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DOI: https://doi.org/10.1007/s002880050465