Soft QCD in ATLAS: Minimum bias and diffraction studies |
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Authors: | Edward K Sarkisyan-Grinbaum |
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Institution: | 1.Department of Physics,University of Texas at Arlington,Arlington,USA;2.Department of Physics,CERN,Geneva 23,Switzerland |
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Abstract: | We present measurements of charged particle production in proton-proton collisions at centre-of-mass energies of √s = 0.9, 2.36 and 7 TeV recorded with the ATLAS detector at the Large Hadron Collider. Events were collected using a single-arm
minimum bias trigger, charged tracks are measured with high precision in the inner tracking system. Minimum bias analysis
uses data samples at all three energies, while diffractive events are studied using a sample of events at √s = 7 TeV. To study diffractive interactions, the events that have hits on exactly one side of the ATLAS detector were selected.
The charged particle multiplicity, pseudorapidity and transverse momentum spectra are analyzed and compared to the predictions
by various Monte Carlo models. |
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Keywords: | |
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