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Title: Diffractive dissociation of protons in 7 TeV collisions at the ATLAS detector
Author: Martin, Timothy Alexander David
ISNI:       0000 0004 2730 1989
Awarding Body: University of Birmingham
Current Institution: University of Birmingham
Date of Award: 2013
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A data sample with integrated luminosity 7.1 inverse microbarns of pp collisions was collected with a minimum bias trigger at a centre of mass energy of 7 TeV using the ATLAS detector at the Large Hadron Collider. It is analysed to identify large pseudorapidity gaps. The inelastic cross section is presented differentially in Delta eta F, the largest continuous region of pseudorapidity which extends from the edge of the detector at eta= plus or minus 4.9 and which contains no final state particles above a threshold pT cut. The measurement is presented in the region 0 < Delta eta F < 8 for 200 < pT cut< 800 MeV. Diffractive topologies are isolated at large gap sizes. The distribution is interpreted using triple Regge models of diffractive scattering, and the dependence of the inelastic cross section on the kinematics of diffraction is studied and compared with other LHC measurements.
Supervisor: Not available Sponsor: STFC
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available
Keywords: QC Physics