# Measurement of charged particle spectra in deep-inelastic ep scattering at HERA

H1 Collaboration; et al; Müller, K; Robmann, P; Straumann, U; Truöl, P (2013). Measurement of charged particle spectra in deep-inelastic ep scattering at HERA. European Physical Journal C - Particles and Fields, 73:2406.

## Abstract

Charged particle production in deep-inelastic ep scattering is measured with the H1 detector at HERA. The kinematic range of the analysis covers low photon virtualities, 5<Q 2<100 GeV2, and small values of Bjorken-x, 10−4<x<10−2. The analysis is performed in the hadronic centre-of-mass system. The charged particle densities are measured as a function of pseudorapidity (η ∗) and transverse momentum ( TeX ) in the range 0<η ∗<5 and TeX in bins of x and Q 2. The data are compared to predictions from different Monte Carlo generators implementing various options for hadronisation and parton evolutions.

## Abstract

Charged particle production in deep-inelastic ep scattering is measured with the H1 detector at HERA. The kinematic range of the analysis covers low photon virtualities, 5<Q 2<100 GeV2, and small values of Bjorken-x, 10−4<x<10−2. The analysis is performed in the hadronic centre-of-mass system. The charged particle densities are measured as a function of pseudorapidity (η ∗) and transverse momentum ( TeX ) in the range 0<η ∗<5 and TeX in bins of x and Q 2. The data are compared to predictions from different Monte Carlo generators implementing various options for hadronisation and parton evolutions.

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