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DESY-2013-01454

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Particle Production at HERA6

Grebenyuk, A. (Corresponding author)DESY* ; H1 Collaboration (Collaboration author)

2012
SISSA Trieste

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Please use a persistent id in citations: doi:10.22323/1.174.0275

Report No.: PoS(ICHEP2012)275

Abstract: Results on particle production in deep-inelastic scattering in $\it ep$ collision at HERA, obtained withthe H1 and ZEUS detectors, are presented. The underlying parton dynamics are investigated by looking at the hardness of the transverse momentum distribution of charged particles and comparing the measurements with Monte Carlo generators based on different approaches for simulating the parton cascade. Studies of the scaled momentum distribution for $K^{0}_{S}$ and Λ particles in the current fragmentation region of the Breit frame in the context of hadronisation are presented. The data are compared to models and to next-to-leading order QCD calculations. In addition, the production of photon at very small angles with respect to the proton beam direction is presented. The cross sections are compared to the predictions of models of deep-inelasticscattering and models of the hadronic interactions of high energy cosmic rays.

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Contributing Institute(s):

1. H1 Kollaboration (H1)

Research Program(s):

1. Experiments at HERA (H1) (POF2-511) (POF2-511)

Experiment(s):

1. HERA: H1

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