Pion production in inelastic and central nuclear collisions at high energy

Anikina, M.; Golokhvastov, A. I.; Iovchev, K.; Khorozov, S.A.; Kuznetzova, E.; Lukstiņš, J.; Okonov, E.O.; Ostanevich, T.G.; Тонеев, В.Д.; Vardenga, G.; Chkhaidze, L.; Dzobava, T.; Gaździcki, M.; Skrzypczak, E.; Szwed, R.; Gudima, K. K.

doi:10.1103/physrevc.33.895

Cited by 37 publications

(21 citation statements)

References 20 publications

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“…Systematic errors related to the trigger effects, low-energy pion and proton detection, the admixture of electrons etc. does not exceed 3% [15,16].…”

Section: Data Samplementioning

confidence: 99%

“…A central collision trigger was used: absence of charged particles with momenta p > 3 GeV/c in a forward cone of 2.4 • was required. A more detailed description of the set-up design and data reduction procedure are given elsewhere [14,15]. Systematic errors related to the trigger effects, low-energy pion and proton detection, the admixture of electrons etc.…”

Section: Data Samplementioning

confidence: 99%

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Study of multiparticle spikes in central 4.5A GeV/c C-Cu collisions

1998

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An analysis of local fluctuations, or spikes, is performed for charged particles produced in central C-Cu collisions at 4.5 GeV/c/nucleon. The distributions of spike-centers and the maximum density distributions are investigated for different narrow pseudorapidity windows to search for multiparticle dynamical correlations. Two peaks over statistical background are observed in the spike-center distributions with the structure similar to that expected from the coherent gluon radiation model and recently found in hadronic interactions. The dynamical contribution to maximum density fluctuations are obtained to be hidden by statistical correlations, though behavior of the distributions shows qualitative agreement with that from the one-dimensional intermittency model. The observed features of the two different approaches, coherent vs. stochastic, to the formation of the local dynamical fluctuations are discussed.

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“…Systematic errors related to the trigger effects, low-energy pion and proton detection, the admixture of electrons etc. does not exceed 3% [15,16].…”

Section: Data Samplementioning

confidence: 99%

Section: Data Samplementioning

confidence: 99%

Study of multiparticle spikes in central 4.5A GeV/c C-Cu collisions

1998

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“…For inelastic collisions He-Li and He-C all charged secondaries were measured and central subsamples T(2,0) were selected. The details of the experimental setup and the logic of the triggering systems are presented in [1,2].…”

Section: Methodsmentioning

confidence: 99%

“…Primary results of scanning and measurements were biased due to several experimental effects and appropriate corrections were introduced. The biases and correction procedures were discussed in detail in [2,3]. Average measurement errors of the momentum and production angle determination for π − mesons were < ∆P/P >= 5%, ∆Θ =0.5 0 for He-Li, He-C, C-Ne, C-Cu, O-Pb.…”

Section: Methodsmentioning

confidence: 99%

The analysis of π− mesons produced in nucleus-nucleus collisions at a momentum of 4.5 GeV/c nucleon in light front variables

Anikina

Chkhaidze

Djobava

et al. 2000

EPJ A

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The light front analysis of π − mesons in He(Li,C), C-Ne, C-Cu and O-Pb collisions is carried out. The phase space of secondary pions is divided into two parts in one of which the thermal equilibrium assumption seems to be in a good agreement with the data. Corresponding temperatures T are extracted and their dependence on (A P * A T ) 1/2 is studied. The results are compared with the predictions of the Quark-Gluon String Model (QGSM). The QGSM satisfactorily reproduces the experimental data for light and intermediate-mass nuclei.

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“…The trigger started the Chamber if there were no charged or neutral projectile fragments (momentum per nucleon required to be greater than 3 GeV/c) emitted in a forward cone of 2.4 • . A more detailed description of the set-up design and data reduction procedure are given elsewhere [10][11][12]. Systematic errors related to the trigger effects, low-energy pion and proton detection, the admixture of electrons, secondary interactions in the target nucleus etc.…”

Section: Methodsmentioning

confidence: 99%