Multiplicity of charged particles in π−-carbon interactions from 4 to 40 GeV/c

Azimov, S.A.; Gulamov, K. G.; Igamberdiev, K.R.; Inogamov, Sh.V.; Lipin, V.D.; Lutphullaev, S.L.; Meerzon, E.V.; Navotni, V.Sh.; Olimov, K.; Rizaev, Kh.A.; Sosnik, V.P.; Usmanov, T.; Thuan, Vo Van; Yuldashev, A. A.; Yuldashev, B. S.

doi:10.1016/0550-3213(76)90190-5

Cited by 14 publications

(1 citation statement)

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“…Then the value of DR can be used as an estimate of the contribution of inelastic charge exchange reactions of the initial neutron (proton) to the formation of the final state negative (positive) pions in n 12 C (p 12 C) collisions. One can see from the data in Table 1 that, both in the experiment and in the modified FRITIOF model (Azimov et al 1976;Galoyan et al 2002) these contributions are equal for both types of collisions, respectively. If we consider that in the experiment the value of the inelastic charge exchange coefficient of the nucleon in nucleon-nucleus collisions (i.e.…”

Section: Experimental Results and Their Discussionmentioning

confidence: 88%

Comparison of some properties of charged pions in p12C and n12C collisions at 4.2 GeV/c

Bekmirzaev

Bekmirzaeva

Olimov

et al. 2021

Physics of Complex Systems

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The new experimental data on various properties of the secondary charged pions produced in n 12 C collisions at 4.2 GeV/c are presented. A comparative analysis of the average multiplicities and various kinematic properties of the charged pions produced in n 12 C and p 12 C collisions at 4.2 GeV/cis is made. The experimental data are compared systematically with the predictions of the modified FRITIOF model. It is found that the modified FRITIOF model overestimates the average multiplicities of the charged pions in n 12 C (p 12 C) collisions at 4.2 GeV/c compared to the experiment. It is shown that this is due to the fact that the model overestimates the contribution of the intranuclear cascade processes in production of pions in the target fragmentation region compared to the experiment. It is also found that the model underestimates the multiplicity of the charged pions in the projectile fragmentation region. It is shown that this is due to the fact that the model underestimates the contribution of ∆ resonances decays to the generation of the fast charged pions in the analyzed collisions.

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Section: Experimental Results and Their Discussionmentioning

confidence: 88%