Antonioli, P.
DSIG/DXP
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Observation of the strange sea in the proton via inclusive Phi-meson production in neutral current deep inelastic scattering at HERA.

The ZEUS collaboration Chekanov, S. ; Krakauer, D. ; Magill, S. ; et al.
Phys.Lett.B 553 (2003) 141-158, 2003.
Inspire Record 601697 DOI 10.17182/hepdata.46535

Inclusive phi-meson production in neutral current deep inelastic e+p scattering has been measured with the ZEUS detector at HERA using an integrated luminosity of 45 pb^{-1}. The phi mesons were studied in the range 10

9 data tables
Table 1

The total PHI meson cross section, corrected for acceptance (45%) in the given kinematical region.

Table 2

Differential PHI meson cross section as a function of its transverse momentum.

Table 3

Differential PHI meson cross section as a function of its pseudorapidity.

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Dijet production in charged and neutral current e+ p interactions at high Q**2.

The H1 collaboration Adloff, C. ; Andreev, V. ; Andrieu, B. ; et al.
Eur.Phys.J.C 19 (2001) 429-440, 2001.
Inspire Record 534736 DOI 10.17182/hepdata.46947

Jet production in charged and neutral current events in the kinematic range of Q^2 from 640 to 35000 GeV^2 is studied in deep-inelastic positron-proton scattering at HERA. The measured rate of multi-jet events and distributions of jet polar angle, transverse energy, dijet mass, and other dijet variables are presented. Using parton densities derived from inclusive DIS cross sections, perturbative QCD calculations in NLO are found to give a consistent description of both the neutral and charged current dijet production. A direct, model independent comparison of the jet distributions in charged and neutral current events confirms that the QCD dynamics of the hadronic final state is independent of the underlying electroweak scattering process.

9 data tables
Table 1

Rates of charged current events as a function of Q**2.

Table 2

Rates of neutral current events as a function of Q**2.

Table 3

Normalised distribution in Y2 for NC and CC dijet events. Y2 is the smallest scaled value of KT (KTJET**2/W**2) given by the combination of (2+1) jets. The +1 refers to the proton remnant jet.

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