Andreev, V, Baghdasaryan, A, Baty, A, Begzsuren, K, Belousov, A, Bolz, A, Boudry, V, Brandt, G, Britzger, D, Buniatyan, A et al (show 129 more authors)
(2021)
Measurement of charged particle multiplicity distributions in DIS at HERA and its implication to entanglement entropy of partons: H1 Collaboration.
EUROPEAN PHYSICAL JOURNAL C, 81 (3).
212-.
ISSN 1434-6044, 1434-6052
Abstract
<jats:title>Abstract</jats:title><jats:p>Charged particle multiplicity distributions in positron-proton deep inelastic scattering at a centre-of-mass energy <jats:inline-formula><jats:alternatives><jats:tex-math>$$\sqrt{s}=319$$</jats:tex-math><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:msqrt> <mml:mi>s</mml:mi> </mml:msqrt> <mml:mo>=</mml:mo> <mml:mn>319</mml:mn> </mml:mrow> </mml:math></jats:alternatives></jats:inline-formula> GeV are measured. The data are collected with the H1 detector at HERA corresponding to an integrated luminosity of 136 pb<jats:inline-formula><jats:alternatives><jats:tex-math>$$^{-1}$$</jats:tex-math><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msup> <mml:mrow /> <mml:mrow> <mml:mo>-</mml:mo> <mml:mn>1</mml:mn> </mml:mrow> </mml:msup> </mml:math></jats:alternatives></jats:inline-formula>. Charged particle multiplicities are measured as a function of photon virtuality <jats:inline-formula><jats:alternatives><jats:tex-math>$$Q^2$$</jats:tex-math><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msup> <mml:mi>Q</mml:mi> <mml:mn>2</mml:mn> </mml:msup> </mml:math></jats:alternatives></jats:inline-formula>, inelasticity <jats:italic>y</jats:italic> and pseudorapidity <jats:inline-formula><jats:alternatives><jats:tex-math>$$\eta $$</jats:tex-math><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mi>η</mml:mi> </mml:math></jats:alternatives></jats:inline-formula> in the laboratory and the hadronic centre-of-mass frames. Predictions from different Monte Carlo models are compared to the data. The first and second moments of the multiplicity distributions are determined and the KNO scaling behaviour is investigated. The multiplicity distributions as a function of <jats:inline-formula><jats:alternatives><jats:tex-math>$$Q^2$$</jats:tex-math><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msup> <mml:mi>Q</mml:mi> <mml:mn>2</mml:mn> </mml:msup> </mml:math></jats:alternatives></jats:inline-formula> and the Bjorken variable <jats:inline-formula><jats:alternatives><jats:tex-math>$$x_{\mathrm{bj}}$$</jats:tex-math><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msub> <mml:mi>x</mml:mi> <mml:mi>bj</mml:mi> </mml:msub> </mml:math></jats:alternatives></jats:inline-formula> are converted to the hadron entropy <jats:inline-formula><jats:alternatives><jats:tex-math>$$S_{\mathrm{hadron}}$$</jats:tex-math><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msub> <mml:mi>S</mml:mi> <mml:mi>hadron</mml:mi> </mml:msub> </mml:math></jats:alternatives></jats:inline-formula>, and predictions from a quantum entanglement model are tested.</jats:p>
Item Type: | Article |
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Uncontrolled Keywords: | 5106 Nuclear and Plasma Physics, 5107 Particle and High Energy Physics, 51 Physical Sciences |
Divisions: | Faculty of Science and Engineering > School of Physical Sciences |
Depositing User: | Symplectic Admin |
Date Deposited: | 16 Dec 2021 13:20 |
Last Modified: | 07 Dec 2024 10:08 |
DOI: | 10.1140/epjc/s10052-021-08896-1 |
Open Access URL: | https://link.springer.com/article/10.1140%2Fepjc%2... |
Related URLs: | |
URI: | https://livrepository.liverpool.ac.uk/id/eprint/3145494 |