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Transverse momentum fluctuations and percolation of strings

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arxiv hep-ph/0303137 v2 pith:JMXPGE4Z submitted 2003-03-17 hep-ph

classification hep-ph
keywords momentumsourcestransversefluctuationsclustersnumberclustercolor
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The behaviour of the transverse momentum fluctuations with the centrality of the collision shown by the Relativistic Heavy Ion Collider data is naturally explained by the clustering of color sources. In this framework, elementary color sources --strings-- overlap forming clusters, so the number of effective sources is modified. These clusters decay into particles with mean transverse momentum that depends on the number of elementary sources that conform each cluster, and the area occupied by the cluster. The transverse momentum fluctuations in this approach correspond to the fluctuations of the transverse momentum of these clusters, and they behave essentially as the number of effective sources.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. System size and energy dependence of the mean transverse momentum fluctuations at the LHC

    nucl-ex 2024-11 conditional novelty 6.0 of 10

    ALICE reports the system-size and energy dependence of mean transverse momentum fluctuations at the LHC, including a new spherocity-dependent measurement in proton-proton collisions.

  2. Study of the hottest droplet of fluid through correlations and fluctuations of collective variables

    nucl-th 2025-05 conditional novelty 4.0 of 10

    The thesis uses event-by-event fluctuations and correlations of collective flow and mean transverse momentum to propose new probes of the initial state, explain the ATLAS [pT]-variance fall, and constrain nuclear deformation.

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