Evidence of scaling of void probability in nucleus-nucleus interactions at few GeV energy

Ghosh, Dipak; Biswas, B. B.; Deb, Argha; Roy, J.

doi:10.1103/physrevc.56.2879

Cited by 19 publications

(21 citation statements)

References 10 publications

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“…In this analysis we have focussed our attention to the events generating from the collisions with the AgBr nuclei only and have discarded all other types of events. So, according to the selection procedure mentioned above we have chosen 730 events of16 OAgBr interactions at 2.1 AGeV[13], 800 events of 24 Mg-AgBr interactions at 4.5 AGeV[18], 800 events of 12 C-AgBr interactions at 4.5 AGeV[19], 250 events of16 O-AgBr interactions at 60 AGeV…”

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confidence: 99%

Rapidity dependence of multiplicity fluctuations and correlations in high-energy nucleus–nucleus interactions

et al. 2011

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The multiplicity fluctuations of the produced pions were studied using scaled variance method in 16 O-AgBr interactions at 2.1 AGeV, 24 Mg-AgBr interactions at 4.5 AGeV, 12 CAgBr interactions at 4.5 AGeV, 16 O-AgBr interactions at 60 AGeV and 32 S-AgBr interactions at 200 AGeV at two different binning conditions. In the first binning condition, the rapidity interval was varied in steps of one centring about the central rapidity until it reached 14. In the second case, the rapidity interval was increased in steps of 1.6 up to 14.4. Multiplicity distributions and their scaled variances were presented as a function of the dependence on the rapidity width for both the binning conditions. Multiplicity fluctuations were found to increase with the increase of rapidity interval and later found to saturate at larger rapidity window for all the interactions and in both the binning conditions. Multiplicity fluctuations were found to increase with the energy of the projectile beam. The values of the scaled variances were found to be greater than one in all the cases in both the binning conditions indicating the presence of correlation during the multiparticle production process in high-energy nucleus-nucleus interactions. Experimental results were compared with the results obtained from the Monte Carlo simulated events for all the interactions. The Monte Carlo simulated data showed very small values of scaled variance suggesting very small fluctuations for the simulated events. Experimental results obtained from 16 O-AgBr interactions at 60 AGeV and 32 SAgBr interactions at 200 AGeV were compared with the events generated by Lund Monte Carlo code (FRITIOF model). FRITIOF model failed to explain the multiplicity fluctuations of pions emitted from 16 O-AgBr interactions at 60 AGeV for both the binning conditions. However, the experimental data agreed well with the FRITIOF model for 32 S-AgBr interactions at 200 AGeV.

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confidence: 99%

Rapidity dependence of multiplicity fluctuations and correlations in high-energy nucleus–nucleus interactions

et al. 2011

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“…Earlier very few analyses had been performed to study rapidity gap probability scaling in nucleus-nucleus interactions [8,9]. In our earlier paper [9] we have studied the void probability scaling behavior in 32 S-AgBr interactions at 200A GeV.…”

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Signature of void probability scaling in multipion production at a few GeV∕nucleon

et al. 2004

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“…The details of scanning measurement, etc. have been described in our previous publications [14][15][16]. For the present analysis we have considered the combination of grey and shower tracks for formation of compound multiplicity.…”

Section: Methodsmentioning

confidence: 99%

“…For the present analysis we have considered the combination of grey and shower tracks for formation of compound multiplicity. For this study we have taken 800 events of 24 Mg-AgBr [14] and 800 events of 12 C-AgBr [15] interactions both at 4.5 AGeV and we have chosen 150 events of 32 S-AgBr [16] interactions at 200 AGeV. The emission angle (cos G) and azimuthal angle (B) were measured for each track by taking the readings of the coordinates of the interaction point (X 0 , Y 0 , Z 0 ), the coordinates (X 1 , Y 1 , Z 1 ) at the end of the linear portion of each secondary track and the coordinate (X i , Y i , Z i ) of a point on the incident beam.…”

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confidence: 99%

Azimuthal correlation and fractal study of compound hadrons (pions and protons) at Dubna and SPS energy

et al. 2009

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Evidence of scaling of void probability in nucleus-nucleus interactions at few GeV energy

Cited by 19 publications

References 10 publications

Rapidity dependence of multiplicity fluctuations and correlations in high-energy nucleus–nucleus interactions

Rapidity dependence of multiplicity fluctuations and correlations in high-energy nucleus–nucleus interactions

Signature of void probability scaling in multipion production at a few GeV∕nucleon

Azimuthal correlation and fractal study of compound hadrons (pions and protons) at Dubna and SPS energy

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