Systematic properties of the Tsallis distribution: Energy dependence of parameters in high energy p–p collisions

Systematic properties of the Tsallis distribution: Energy dependence of parameters in high energy p–p collisions

Changes in the transverse momentum distributions with beam energy are studied using the Tsallis distribution as a parameterization. The dependence of the Tsallis parameters q, T and the volume are determined as a function of beam energy. The Tsallis parameter q shows a weak but clear increase with b...

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Bibliographic Details
Published in:Physics letters. B Vol. 723; no. 4-5; pp. 351 - 354
Main Authors: Cleymans, J., Lykasov, G.I., Parvan, A.S., Sorin, A.S., Teryaev, O.V., Worku, D.
Format: Journal Article
Language:English
Published: Elsevier B.V 25-06-2013
Subjects:
Transverse momentum
Tsallis distribution
Transverse momentum
Tsallis distribution
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Summary:Changes in the transverse momentum distributions with beam energy are studied using the Tsallis distribution as a parameterization. The dependence of the Tsallis parameters q, T and the volume are determined as a function of beam energy. The Tsallis parameter q shows a weak but clear increase with beam energy with the highest value being approximately 1.15. The Tsallis temperature and volume are consistent with being independent of beam energy within experimental uncertainties.
ISSN:0370-2693
1873-2445
DOI:10.1016/j.physletb.2013.05.029