Measurement of pseudorapidity distributions of charged particles in proton-proton collisions at $\sqrt{s} = 13~\mathrm{TeV}$ by the CMS experiment. - INSPIRE

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Measurement of pseudorapidity distributions of charged particles in proton-proton collisions at $\sqrt{s} = 13~\mathrm{TeV}$ by the CMS experiment.

CMS

Collaboration

2016

19 pages

Report number:

CMS-PAS-FSQ-15-008

Experiments:

CERN-LHC-CMS

View in:

CERN Document Server

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Abstract:

Pseudorapidity distributions of charged particles,

\mathrm{d}N_{\mathrm{ch}}/\mathrm{d}\eta

, produced in proton-proton collisions at a centre-of-mass energy

\sqrt{s} = 13~\mathrm{TeV}

are measured in the pseudorapidity range

|\eta| < 2.4

for charged particles with a transverse momentum

p_T > 0.5~\mathrm{GeV}

. Measurements are presented for four event categories. The first two categories correspond to inclusive and inelastic-enhanced event samples. The other two categories are disjoint subsets of the inelastic-enhanced event sample that are either enhanced or depleted in single diffractive dissociation events. The measurements are compared to predictions from Monte Carlo event generators which were tuned to describe the underlying event properties at lower centre-of-mass energies.

Note:

Preliminary results

Data
p p: scattering
p p: colliding beams
diffraction: dissociation
charged particle: hadroproduction
category
charged particle: rapidity
numerical calculations: Monte Carlo
charged particle: transverse momentum
underlying event

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