Study of ordered hadron chains with the ATLAS detector

The ATLAS collaboration (2017) Study of ordered hadron chains with the ATLAS detector. Physical Review D, 96 (9). ISSN 1550-7998

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The analysis of the momentum difference between charged hadrons in high-energy proton-proton collisions is performed in order to study coherent particle production. The observed correlation pattern agrees with a model of a helical QCD string fragmenting into a chain of ground-state hadrons. A threshold momentum difference in the production of adjacent pairs of charged hadrons is observed, in agreement with model predictions. The presence of low-mass hadron chains also explains the emergence of charge-combination-dependent two-particle correlations commonly attributed to Bose-Einstein interference. The data sample consists of 190  μb−1 of minimum-bias events collected with proton-proton collisions at a center-of-mass energy √s=7  TeV in the early low-luminosity data taking with the ATLAS detector at the LHC.

Item Type:
Journal Article
Journal or Publication Title:
Physical Review D
Additional Information:
© 2017 CERN, for the ATLAS Collaboration Funded by SCOAP3
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Deposited On:
15 Mar 2018 11:16
Last Modified:
19 Sep 2023 01:53