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- Title
Strangeness production at low Q<sup>2</sup> in deep-inelastic ep scattering at HERA.
- Authors
Aaron, F. D.; Alexa, C.; Andreev, V.; Antunovic, B.; Aplin, S.; Asmone, A.; Astvatsatourov, A.; Bacchetta, A.; Backovic, S.; Baghdasaryan, A.; Barrelet, E.; Bartel, W.; Beckingham, M.; Begzsuren, K.; Behnke, O.; Belousov, A.; Berger, N.; Bizot, J. C.; Boenig, M.-O.; Boudry, V.
- Abstract
The production of neutral strange hadrons is investigated using deep-inelastic scattering events measured with the H1 detector at HERA. The measurements are made in the phase space defined by the negative four-momentum transfer squared of the photon 2< Q2<100 GeV2 and the inelasticity 0.1< y<0.6. The K and $\varLambda(\bar{\varLambda})$ production cross sections and their ratios are determined. K production is compared to the production of charged particles in the same region of phase space. The Λ– $\bar{\varLambda}$ asymmetry is also measured and found to be consistent with zero. Predictions of leading order Monte Carlo programs are compared to the data.
- Subjects
STRANGE particles; HADRONS -- Scattering; SCATTERING (Physics); MONTE Carlo method; ASYMMETRY (Chemistry); MOMENTUM transfer; PHASE space
- Publication
European Physical Journal C -- Particles & Fields, 2009, Vol 61, Issue 2, p185
- ISSN
1434-6044
- Publication type
Article
- DOI
10.1140/epjc/s10052-009-0995-1