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Measurement of event shapes at large momentum transfer with the ATLAS detector in pp collisions at √s =7 TeV

Publication ,  Journal Article
Aad, G; Abbott, B; Abdallah, J; Khalek, SA; Abdelalim, AA; Abdinov, O; Abi, B; Abolins, M; Zeid, OSA; Abramowicz, H; Abreu, H; Acerbi, E ...
Published in: European Physical Journal C
November 20, 2012

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-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 pT,1 and pT,2, with a mean pT approaching 1 TeV.

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Published In

European Physical Journal C

DOI

EISSN

1434-6052

ISSN

1434-6044

Publication Date

November 20, 2012

Volume

72

Issue

11

Related Subject Headings

  • Nuclear & Particles Physics
  • 5107 Particle and high energy physics
  • 5102 Atomic, molecular and optical physics
  • 5101 Astronomical sciences
  • 0206 Quantum Physics
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
 

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Aad, G., Abbott, B., Abdallah, J., Khalek, S. A., Abdelalim, A. A., Abdinov, O., … Artoni, G. (2012). Measurement of event shapes at large momentum transfer with the ATLAS detector in pp collisions at √s =7 TeV. European Physical Journal C, 72(11). https://doi.org/10.1140/epjc/s10052-012-2211-y
Aad, G., B. Abbott, J. Abdallah, S. A. Khalek, A. A. Abdelalim, O. Abdinov, B. Abi, et al. “Measurement of event shapes at large momentum transfer with the ATLAS detector in pp collisions at √s =7 TeV.” European Physical Journal C 72, no. 11 (November 20, 2012). https://doi.org/10.1140/epjc/s10052-012-2211-y.
Aad G, Abbott B, Abdallah J, Khalek SA, Abdelalim AA, Abdinov O, et al. Measurement of event shapes at large momentum transfer with the ATLAS detector in pp collisions at √s =7 TeV. European Physical Journal C. 2012 Nov 20;72(11).
Aad, G., et al. “Measurement of event shapes at large momentum transfer with the ATLAS detector in pp collisions at √s =7 TeV.” European Physical Journal C, vol. 72, no. 11, Nov. 2012. Scopus, doi:10.1140/epjc/s10052-012-2211-y.
Aad G, Abbott B, Abdallah J, Khalek SA, Abdelalim AA, Abdinov O, Abi B, Abolins M, Zeid OSA, Abramowicz H, Abreu H, Acerbi E, Acharya BS, Adamczyk L, Adams DL, Addy TN, Adelman J, Adomeit S, Adragna P, Adye T, Aefsky S, Aguilar-Saavedra JA, Agustoni M, Aharrouche M, Ahlen SP, Ahles F, Ahmad A, Ahsan M, Aielli G, Akdogan T, Åkesson TPA, Akimoto G, Akimov AV, Alam MS, Alam MA, Albert J, Albrand S, Aleksa M, Aleksandrov IN, Alessandria F, Alexa C, Alexander G, Alexandre G, Alexopoulos T, Alhroob M, Aliev M, Alimonti G, Alison J, Allbrooke BMM, Allport PP, Allwood-Spiers SE, Almond J, Aloisio A, Alon R, Alonso A, Gonzalez BA, Alviggi MG, Amako K, Amelung C, Ammosov VV, Amorim A, Amram N, Anastopoulos C, Ancu LS, Andari N, Andeen T, Anders CF, Anders G, Anderson KJ, Andreazza A, Andrei V, Anduaga XS, Anger P, Angerami A, Anghinolfi F, Anisenkov A, Anjos N, Annovi A, Antonaki A, Antonelli M, Antonov A, Antos J, Anulli F, Aoun S, Bella LA, Apolle R, Arabidze G, Aracena I, Arai Y, Arce ATH, Arfaoui S, Arguin JF, Arik E, Arik M, Armbruster AJ, Arnaez O, Arnal V, Arnault C, Artamonov A, Artoni G. Measurement of event shapes at large momentum transfer with the ATLAS detector in pp collisions at √s =7 TeV. European Physical Journal C. 2012 Nov 20;72(11).
Journal cover image

Published In

European Physical Journal C

DOI

EISSN

1434-6052

ISSN

1434-6044

Publication Date

November 20, 2012

Volume

72

Issue

11

Related Subject Headings

  • Nuclear & Particles Physics
  • 5107 Particle and high energy physics
  • 5102 Atomic, molecular and optical physics
  • 5101 Astronomical sciences
  • 0206 Quantum Physics
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics