publication . Article . Other literature type . Preprint . 2013

Hadron Transverse Momentum Distributions in Muon Deep Inelastic Scattering at 160 GeV/$c$

Takahiro Iwata; L. Capozza; T. Schlüter; J. Pretz; S. Levorato; C. Franco; H. Fischer; T. Weisrock; E. Burtin; M. Büchele; ...
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Open Access English
  • Published: 31 May 2013 Journal: European Physical Journal C, volume 73, issue 8 (issn: 1434-6044, Copyright policy)
  • Publisher: Springer Science + Business Media
Abstract
Multiplicities of charged hadrons produced in deep inelastic muon scattering off a $^6$LiD target have been measured as a function of the DIS variables $x_{Bj}$, $Q^2$, $W^2$ and the final state hadron variables $p_T$ and $z$. The $p_T^2$ distributions are fitted with a single exponential function at low values of $p_T^2$ to determine the dependence of $\langle p_T^2 \rangle$ on $x_{Bj}$, $Q^2$, $W^2$ and $z$. The $z$-dependence of $\langle p_T^2 \rangle$ is shown to be a potential tool to extract the average intrinsic transverse momentum squared of partons, $\langle k_{\perp}^2 \rangle$, as a function of $x_{Bj}$ and $Q^2$ in a leading order QCD parton model.
doi: 10.1140/epjc/s10052-013-2531-6 , 10.1140/epjc/s10052-014-3255-y
Subjects
free text keywords: 530, Physics and Astronomy (miscellaneous), Engineering (miscellaneous), Particle Physics - Experiment, High Energy Physics - Experiment, High Energy Physics - Phenomenology, Muon, Transverse momentum, Deep inelastic scattering, Physics, Hadron, Nuclear physics, Multiplicity (mathematics), Quantum chromodynamics, Parton, Particle physics, Exponential function, Scattering
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Funded by
FCT| CERN/FP/116376/2010
Project
CERN/FP/116376/2010
COLLABORATION IN THE COMPASS EXPERIMENT AT CERN
  • Funder: Fundação para a Ciência e a Tecnologia, I.P. (FCT)
  • Project Code: 116376
  • Funding stream: 5876-PPCDTI
, FCT| CERN/FP/123600/2011
Project
CERN/FP/123600/2011
COLLABORATION IN THE COMPASS EXPERIMENT AT CERN
  • Funder: Fundação para a Ciência e a Tecnologia, I.P. (FCT)
  • Project Code: 123600
  • Funding stream: COMPETE
, FCT| CERN/FP/109323/2009
Project
CERN/FP/109323/2009
COLLABORATION IN THE COMPASS EXPERIMENT AT CERN
  • Funder: Fundação para a Ciência e a Tecnologia, I.P. (FCT)
  • Project Code: 109323
  • Funding stream: 5876-PPCDTI
, EC| HADRONPHYSICS3
Project
HADRONPHYSICS3
Study of Strongly Interacting Matter
  • Funder: European Commission (EC)
  • Project Code: 283286
  • Funding stream: FP7 | SP4 | INFRA
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