Performance of jet substructure techniques for large-<em>R</em> jets in proton-proton collisions at √s=7 TeV using the ATLAS detector

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Title		Performance of jet substructure techniques for large-R jets in proton-proton collisions at √s=7 TeV using the ATLAS detector
Collaboration		ATLAS Collaboration With : Abdelalim Aly, Ahmed Aly / Alexandre, Gauthier / Backes, Moritz / Barone, Gaetano / Bell, Paul / Bell, William / Benhar Noccioli, Eleonora / Bucci, Francesca / Camacho Toro, Reina / Clark, Allan Geoffrey / Doglioni, Caterina / Ferrere, Didier / Gadomski, Szymon / Gonzalez Sevilla, Sergio / Goulette, Marc / Guescini, Francesco / Iacobucci, Giuseppe / La Rosa, Alessandro / Martin Dit Latour, Bertrand / Mermod, Philippe / Mora Herrera, Maria Clemencia Rosario / Nektarijevic, Snezana / Nikolics, Katalin / Pasztor, Arpad / Picazio, Attilio / Pohl, Martin / Rosbach, Kilian / Wu, Xin
Published in		Journal of High Energy Physics. 2013, vol. 76
Abstract		This paper presents the application of a variety of techniques to study jet substructure. The performance of various modified jet algorithms, or jet grooming techniques, for several jet types and event topologies is investigated for jets with transverse momentum larger than 300 GeV. Properties of jets subjected to the mass-drop filtering, trimming, and pruning algorithms are found to have a reduced sensitivity to multiple proton-proton interactions, are more stable at high luminosity and improve the physics potential of searches for heavy boosted objects. Studies of the expected discrimination power of jet mass and jet substructure observables in searches for new physics are also presented. Event samples enriched in boosted W and Z bosons and top-quark pairs are used to study both the individual jet invariant mass scales and the efficacy of algorithms to tag boosted hadronic objects. The analyses presented use the full 2011 ATLAS dataset, corresponding to an integrated luminosity of 4.7 ± 0.1 fb−1 from proton-proton collisions produced by the Large Hadron Collider at a centre-of-mass energy of √s=7 TeV.
Keywords		Hadron-Hadron Scattering
Identifiers		DOI: 10.1007/JHEP09(2013)076
Full text		Article (Published version) (2.7 MB) - Free access Other version: http://link.springer.com/article/10.1007%2FJHEP09%282013%29076
Structures		Faculté des sciences / Section de physique / Département de physique nucléaire et corpusculaire
Citation (ISO format)		ATLAS COLLABORATION. Performance of jet substructure techniques for large-R jets in proton-proton collisions at √s=7 TeV using the ATLAS detector. In: Journal of High Energy Physics, 2013, vol. 76. https://archive-ouverte.unige.ch/unige:38863

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Deposited on : 2014-07-22

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Performance of jet substructure techniques for large-R jets in proton-proton collisions at √s=7 TeV using the ATLAS detector