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Measurement of the average very forward energy as a function of the track multiplicity at central pseudorapidities in proton-proton collisions at 𝑠√=13TeV
Sirunyan, A. M. Sanders, Stephen J. CMS Collaboration
Sirunyan, A. M.
Sanders, Stephen J.
CMS Collaboration
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Abstract
The average total energy as well as its hadronic and electromagnetic components are measured with the CMS detector at pseudorapidities −6.6<𝜂<−5.2 in proton-proton collisions at a centre-of-mass energy 𝑠√=13TeV. The results are presented as a function of the charged particle multiplicity in the region |𝜂|<2. This measurement is sensitive to correlations induced by the underlying event structure over a very wide pseudorapidity region. The predictions of Monte Carlo event generators commonly used in collider experiments and ultra-high energy cosmic ray physics are compared to the data. All generators considered overestimate the fraction of energy going into hadrons.
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This work is licensed under a Creative Commons Attribution 4.0 International License.
Date
2019-11-05
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SpringerOpen
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Sirunyan, A.M., Tumasyan, A., Adam, W. et al. Measurement of the average very forward energy as a function of the track multiplicity at central pseudorapidities in proton-proton collisions at 𝑠√=13TeV. Eur. Phys. J. C 79, 893 (2019). https://doi.org/10.1140/epjc/s10052-019-7402-3