作者
ATLAS Collaboration atlas. publications@ cern. ch, Georges Aad, B Abbott, J Abdallah, S Abdel Khalek, O Abdinov, R Aben, B Abi, M Abolins, OS AbouZeid, H Abramowicz, H Abreu, R Abreu, Y Abulaiti, BS Acharya, L Adamczyk, DL Adams, J Adelman, S Adomeit, T Adye, T Agatonovic-Jovin, JA Aguilar-Saavedra, M Agustoni, SP Ahlen, F Ahmadov, G Aielli, H Akerstedt, TPA Åkesson, G Akimoto, AV Akimov, GL Alberghi, J Albert, S Albrand, MJ Alconada Verzini, M Aleksa, IN Aleksandrov, C Alexa, G Alexander, G Alexandre, T Alexopoulos, M Alhroob, G Alimonti, L Alio, J Alison, BMM Allbrooke, LJ Allison, PP Allport, J Almond, A Aloisio, A Alonso, F Alonso, C Alpigiani, A Altheimer, B Alvarez Gonzalez, MG Alviggi, K Amako, Y Amaral Coutinho, C Amelung, D Amidei, SP Amor Dos Santos, A Amorim, S Amoroso, N Amram, G Amundsen, C Anastopoulos, LS Ancu, N Andari, T Andeen, CF Anders, G Anders, KJ Anderson, A Andreazza, V Andrei, XS Anduaga, S Angelidakis, I Angelozzi, P Anger, A Angerami, F Anghinolfi, AV Anisenkov, N Anjos, A Annovi, A Antonaki, M Antonelli, A Antonov, J Antos, F Anulli, M Aoki, L Aperio Bella, R Apolle, G Arabidze, I Aracena, Y Arai, JP Araque, ATH Arce, JF Arguin, S Argyropoulos, M Arik, AJ Armbruster, O Arnaez, V Arnal, H Arnold, M Arratia, O Arslan, A Artamonov, G Artoni, S Asai, N Asbah, A Ashkenazi, B Åsman, L Asquith, K Assamagan, R Astalos, M Atkinson, NB Atlay, B Auerbach, K Augsten, M Aurousseau, G Avolio, G Azuelos, Y Azuma, MA Baak, A Baas, C Bacci, H Bachacou, K Bachas, M Backes, M Backhaus, J Backus Mayes, E Badescu, P Bagiacchi, P Bagnaia, Y Bai, T Bain, JT Baines, OK Baker, P Balek, F Balli, E Banas, Sw Banerjee, AAE Bannoura, V Bansal, HS Bansil, L Barak, SP Baranov, EL Barberio, D Barberis, M Barbero, T Barillari, M Barisonzi
发表日期
2014/10
期刊
The European Physical Journal C
卷号
74
页码范围
1-48
出版商
Springer Berlin Heidelberg
简介
This paper presents the electron and photon energy calibration achieved with the ATLAS detector using about 25 fb of LHC proton–proton collision data taken at centre-of-mass energies of and 8 TeV. The reconstruction of electron and photon energies is optimised using multivariate algorithms. The response of the calorimeter layers is equalised in data and simulation, and the longitudinal profile of the electromagnetic showers is exploited to estimate the passive material in front of the calorimeter and reoptimise the detector simulation. After all corrections, the resonance is used to set the absolute energy scale. For electrons from decays, the achieved calibration is typically accurate to 0.05 % in most of the detector acceptance, rising to 0.2 % in regions with large amounts of passive material. The remaining inaccuracy is less than 0.2–1 % for electrons with a transverse energy of 10 GeV, and is …
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