We have over 12,000 students, from over 100 countries, within one of the safest campuses in the UK


97% of Lancaster students go into work or further study within six months of graduating

Home > Research > Publications & Outputs > Measurement of dijet cross sections in ep inter...
View graph of relations

« Back

Measurement of dijet cross sections in ep interactions with a leading neutron at HERA

Research output: Contribution to journalJournal article


<mark>Journal publication date</mark>06/2005
<mark>Journal</mark>European Physical Journal C: Particles and Fields
Number of pages14
<mark>Original language</mark>English


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.

Bibliographic note

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