Mountz, J.D.
DET/DETARAP
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rivet Analysis
Measurements of transverse energy flow in deep inelastic-scattering at HERA.

The H1 collaboration Adloff, C. ; Andreev, V. ; Andrieu, B. ; et al.
Eur.Phys.J.C 12 (2000) 595-607, 2000.
Inspire Record 503947 DOI 10.17182/hepdata.43951

Measurements of transverse energy flow are presented for neutral current deep-inelastic scattering events produced in positron-proton collisions at HERA. The kinematic range covers squared momentum transfers Q^2 from 3.2 to 2,200 GeV^2, the Bjorken scaling variable x from 8.10^{-5} to 0.11 and the hadronic mass W from 66 to 233 GeV. The transverse energy flow is measured in the hadronic centre of mass frame and is studied as a function of Q^2, x, W and pseudorapidity. A comparison is made with QCD based models. The behaviour of the mean transverse energy in the central pseudorapidity region and an interval corresponding to the photon fragmentation region are analysed as a function of Q^2 and W.

34 data tables
Table 1

The inclusive transverse energy flow at a mean X of 0.00008 and mean Q**2 of 3.2 GeV**2 for the low Q**2 sample.

Table 2

The inclusive transverse energy flow at a mean X of 0.00014 and mean Q**2 of 3.8 GeV**2 for the low Q**2 sample.

Table 3

The inclusive transverse energy flow at a mean X of 0.00026 and mean Q**2 of 3.9 GeV**2 for the low Q**2 sample.

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rivet Analysis
Energy flow and charged particle spectrum in deep inelastic scattering at HERA

The H1 collaboration Abt, I. ; Ahmed, T. ; Andreev, V. ; et al.
Z.Phys.C 63 (1994) 377-390, 1994.
Inspire Record 372350 DOI 10.17182/hepdata.45101

Global properties of the hadronic final state in deep inelastic scattering events at HERA are investigated. The data are corrected for detector effects and are compared directly with QCD phenomenology. Energy flows in both the laboratory frame and the hadronic centre of mass system and energy-energy correlations in the laboratory frame are presented. Comparing various QCD models, the colour dipole model provides the only satisfactory description of the data. In the hadronic centre of mass system the momentum components of charged particles longitudinal and transverse to the virtual boson direction are measured and compared with lower energy lepton-nucleon scattering data as well as withe+e− dat from LEP.

4 data tables
Table 1

Overall systematic error of 6 pct not included.

Table 2

Corrected transverse energy-energy correlation TEEC as a function of omega (see text of paper for definition of omega - which effectively defines the distance between hadrons in the pseudorapidity and azimuthal angle). Overall systematic error of 12 pct is not included.

Table 3

Charged particle spectra as a function of the Feynman x variable for different ranges of the hadronic mass W.

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