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Jet energy measurement with the ATLAS detector in proton-proton collisions at sqrt(s) = 7 TeV
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Jet energy measurement with the ATLAS detector in proton-proton collisions at sqrt(s) = 7 TeV
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| dc.contributor.author | ATLAS Collaboration | |
| dc.contributor.author | Amorós Vicente, Gabriel | |
| dc.contributor.author | Cabrera Urbán, Susana | |
| dc.contributor.author | Castillo Giménez, María Victoria | |
| dc.contributor.author | Costa Mezquita, María José | |
| dc.contributor.author | Escobar Ibañez, Carlos | |
| dc.contributor.author | Ferrer Soria, Antonio | |
| dc.contributor.author | Fiorini, Luca | |
| dc.contributor.author | Fuster Verdú, Juan A. | |
| dc.contributor.author | García García, Carmen | |
| dc.contributor.author | González de la Hoz, Santiago | |
| dc.contributor.author | Hernández Jiménez, Yesenia | |
| dc.contributor.author | Higón Rodríguez, Emilio | |
| dc.contributor.author | Irles Quiles, Adrián | |
| dc.contributor.author | Kaci, Mohammed | |
| dc.contributor.author | Lacasta Llácer, Carlos | |
| dc.contributor.author | Lacuesta Miquel, Vicente | |
| dc.contributor.author | Martí García, Salvador | |
| dc.contributor.author | Miñano Moya, Mercedes | |
| dc.contributor.author | Mitsou, Vasiliki | |
| dc.contributor.author | Moles Valls, Regina | |
| dc.contributor.author | Moreno Llácer, María | |
| dc.contributor.author | Oliver García, Elena | |
| dc.contributor.author | Pérez García-Estañ, María Teresa | |
| dc.contributor.author | Ros Martínez, Eduardo | |
| dc.contributor.author | Salt Cairols, José | |
| dc.contributor.author | Solans Sánchez, Carlos Antonio | |
| dc.contributor.author | Soldevila, U. | |
| dc.contributor.author | Sánchez Martínez, Javier | |
| dc.contributor.author | Torró Pastor, Emma | |
| dc.contributor.author | Valladolid Gallego, E. | |
| dc.contributor.author | Valls Ferrer, Juan Antonio | |
| dc.contributor.author | Villaplana Pérez, Miguel | |
| dc.contributor.author | Vos, Marcel | |
| dc.contributor.author | Wildauer, A. | |
| dc.date.accessioned | 2014-09-18T09:04:54Z | |
| dc.date.available | 2014-09-18T09:04:54Z | |
| dc.date.issued | 2013 | |
| dc.identifier.citation | ATLAS Collaboration Amorós Vicente, Gabriel Cabrera Urbán, Susana Castillo Giménez, María Victoria Costa Mezquita, María José Escobar Ibañez, Carlos Ferrer Soria, Antonio Fiorini, Luca Fuster Verdú, Juan A. García García, Carmen González de la Hoz, Santiago Hernández Jiménez, Yesenia Higón Rodríguez, Emilio Irles Quiles, Adrián Kaci, Mohammed Lacasta Llácer, Carlos Lacuesta Miquel, Vicente Martí García, Salvador Miñano, M. Mitsou, Vasiliki Moles Valls, Regina Moreno Llácer, María Oliver García, Elena Pérez García-Estañ, María Teresa Ros Martínez, Eduardo Salt Cairols, José Solans Sánchez, Carlos Antonio Soldevila, U. Sánchez, J. Torró Pastor, Emma Valladolid Gallego, E. Valls Ferrer, Juan Antonio Villaplana Pérez, Miguel Vos, Marcel Wildauer, A. 2013 Jet energy measurement with the ATLAS detector in proton-proton collisions at sqrt(s) = 7 TeV European Physical Journal C 73 3 2304-1 2304-118 | |
| dc.identifier.uri | http://hdl.handle.net/10550/37988 | |
| dc.description.abstract | The jet energy scale (JES) and its systematic uncertainty are determined for jets measured with the ATLAS detector at the LHC in proton-proton collision data at a centre-of-mass energy of sqrt(s) = 7 TeV corresponding to an integrated luminosity of 38 inverse pb. Jets are reconstructed with the anti-kt algorithm with distance parameters R=0.4 or R=0.6. Jet energy and angle corrections are determined from Monte Carlo simulations to calibrate jets with transverse momenta pt > 20 GeV and pseudorapidities eta<4.5. The JES systematic uncertainty is estimated using the single isolated hadron response measured in situ and in test-beams. The JES uncertainty is less than 2.5% in the central calorimeter region (eta<0.8) for jets with 60 < pt < 800 GeV, and is maximally 14% for pt < 30 GeV in the most forward region 3.2<eta<4.5. The uncertainty for additional energy from multiple proton-proton collisions in the same bunch crossing is less than 1.5% per additional collision for jets with pt > 50 GeV after a dedicated correction for this effect. The JES is validated for jet transverse momenta up to 1 TeV to the level of a few percent using several in situ techniques by comparing a well-known reference such as the recoiling photon pt, the sum of the transverse momenta of tracks associated to the jet, or a system of low-pt jets recoiling against a high-pt jet. More sophisticated jet calibration schemes are presented based on calorimeter cell energy density weighting or hadronic properties of jets, providing an improved jet energy resolution and a reduced flavour dependence of the jet response. The JES systematic uncertainty determined from a combination of in situ techniques are consistent with the one derived from single hadron response measurements over a wide kinematic range. The nominal corrections and uncertainties are derived for isolated jets in an inclusive sample of high-pt jets. | |
| dc.language.iso | eng | |
| dc.relation.ispartof | European Physical Journal C, 2013, vol. 73, num. 3, p. 2304-1-2304-118 | |
| dc.subject | Física nuclear | |
| dc.title | Jet energy measurement with the ATLAS detector in proton-proton collisions at sqrt(s) = 7 TeV | |
| dc.type | journal article | es_ES |
| dc.date.updated | 2014-09-18T09:04:54Z | |
| dc.identifier.doi | 10.1140/epjc/s10052-013-2304-2 | |
| dc.identifier.idgrec | 084817 | |
| dc.rights.accessRights | open access | es_ES |
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