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Measurement of F2(cc) and F2(bb) at high Q2 using the H1 vertex dector at HERA.

Research output: Contribution to journalJournal article

<mark>Journal publication date</mark>04/2005
<mark>Journal</mark>European Physical Journal C: Particles and Fields
Issue number3
Number of pages11
Pages (from-to)349-359
<mark>Original language</mark>English


Measurements are presented of inclusive charm and beauty cross sections in e+p collisions at HERA for values of photon virtuality Q2 > 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 Q2 and Bjorken x, and values for the structure functions Fc¯c 2 and Fb¯b 2 are obtained. The results are found to be compatible with the predictions of perturbative quantum chromodynamics.

Bibliographic note

Author list is partial - see original article for full author list.