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Numrering	Referens	Omslagsbild	Hitta
1.	Aktas, A, et al. (författare) Measurement of dijet cross sections in ep interactions with a leading neutron at HERA 2005 Ingår i: European Physical Journal C. Particles and Fields. - : Springer Science and Business Media LLC. - 1434-6044. ; 41:3, s. 273-286 Tidskriftsartikel (refereegranskat)abstract Measurements are reported of the production of dijet events with a leading neutron in ep interactions at HERA. Differential cross sections for photoproduction and deep inelastic scattering are presented as a function of several kinematic variables. Leading order QCD simulation programs are compared with the measurements. Models in which the real or virtual photon interacts with a parton of an exchanged pion are able to describe the data. Next-to-leading order perturbative QCD calculations based on pion exchange are found to be in good agreement with the measured cross sections. The fraction of leading neutron dijet events with respect to all dijet events is also determined. The dijet events with a leading neutron have a lower fraction of resolved photon processes than do the inclusive dijet data.
2.	Aktas, A, et al. (författare) Measurement of F-2(c(c)over-bar) and F-2(b(b)over-bar) at high Q(2) using the H1 vertex detector at HERA 2005 Ingår i: European Physical Journal C. Particles and Fields. - : Springer Science and Business Media LLC. - 1434-6044. ; 40:3, s. 349-359 Tidskriftsartikel (refereegranskat)abstract Measurements are presented of inclusive charm and beauty cross sections in e(+)p collisions at HERA for values of photon virtuality Q(2) > 150 GeV2 and of inelasticity 0.1 < y < 0.7. The charm and beauty fractions are determined using a method based on the impact parameter, in the transverse plane, of tracks to the primary vertex, as measured by the H1 vertex detector. The data are divided into four regions in Q(2) and Bjorken x, and values for the structure functions F-2(c (c) over bar) and F-2(b (b) over bar) are obtained. The results are found to be compatible with the predictions of perturbative quantum chromodynamics.

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Typ av publikation: tidskriftsartikel (2)

Typ av innehåll: refereegranskat (2)

Författare/redaktör: Beckingham, M. (2); Berger, N. (2); Bracinik, J. (2); Brandt, G. (2); Bruncko, D. (2); Caron, S. (2); visa fler...; Cerny, K. (2); Desch, K. (2); Fleischmann, P. (2); Glazov, A. (2); Hoffmann, D. (2); Katzy, J. (2); Klein, M. (2); Laycock, P. (2); Lobodzinska, E. (2); Mehta, A. (2); Meier, K. (2); Meyer, J. (2); Naumann, T. (2); Nikiforov, A. (2); Rizvi, E. (2); Rurikova, Z. (2); Sauvan, E. (2); Schoeffel, L. (2); Schwanenberger, C. (2); South, D. (2); Tsipolitis, G. (2); Valkar, S. (2); Vest, A. (2); Wessels, M. (2); Xella, S. (2); Zhang, Z. (2); Diaconu, C. (2); Ferencei, J. (2); Greenshaw, T. (2); Ibbotson, M. (2); Kluge, T. (2); Lendermann, V. (2); Haller, J. (2); Zhokin, A. (2); Aktas, A. (2); Kostka, P. (2); Lebedev, A. (2); Nozicka, M. (2); Placakyte, R. (2); Levonian, S. (2); Marshall, R. (2); Tomasz, F. (2); van Remortel, N. (2); Weber, G. (2); visa färre...

Lärosäte: Lunds universitet (2)

Språk: Engelska (2)

Forskningsämne (UKÄ/SCB): Naturvetenskap (2)

År: 2005 (2)

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