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01559 am a22001813u 4500 |
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105494 |
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|a dc
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|a Taylor, Frank E
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|a Massachusetts Institute of Technology. Department of Physics
|e contributor
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|a Taylor, Frank E
|e contributor
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|a Measurement of event shapes at large momentum transfer with the ATLAS detector in pp collisions at √s=7 TeV
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|b Springer-Verlag,
|c 2016-12-01T18:06:42Z.
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|z Get fulltext
|u http://hdl.handle.net/1721.1/105494
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|a A measurement of event shape variables is presented for large momentum transfer proton-proton collisions using the ATLAS detector at the Large Hadron Collider. Six event shape variables calculated using hadronic jets are studied in inclusive multi-jet events in 35 pb[superscript −1] of integrated luminosity at a center-of-mass energy of √s=7 TeV . These measurements are compared to predictions by three Monte Carlo event generators containing leading-logarithmic parton showers matched to leading order matrix elements for 2→2 and 2→n (n=2,...,6) scattering. Measurements of the third-jet resolution parameter, aplanarity, thrust, sphericity, and transverse sphericity are generally well described. The mean value of each event shape variable is evaluated as a function of the average momentum of the two leading jets p[subscript T,1] and p[subscript T,2], with a mean p[subscript T] approaching 1 TeV.
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|a National Science Foundation (U.S.)
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|a en_US
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|a Article
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|t European Physical Journal C
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