Related papers: Study of the electron trigger efficiency of the CM…

Triggering on electrons and photons with CMS

Throughout the year 2011, the Large Hadron Collider (LHC) has operated with an instantaneous luminosity that has risen continually to around 4x10^33cm-2 s-1. With this prodigious high-energy proton collisions rate, efficient triggering on…

Instrumentation and Detectors · Physics 2015-06-04 Alexandre Zabi

Electron efficiency measurements with the ATLAS detector using 2012 LHC proton-proton collision data

This paper describes the algorithms for the reconstruction and identification of electrons in the central region of the ATLAS detector at the Large Hadron Collider (LHC). These algorithms were used for all ATLAS results with electrons in…

High Energy Physics - Experiment · Physics 2017-04-07 ATLAS Collaboration

Performance of electron and photon triggers in ATLAS during LHC Run 2

Electron and photon triggers covering transverse energies from 5 GeV to several TeV are essential for the ATLAS experiment to record signals for a wide variety of physics: from Standard Model processes to searches for new phenomena in both…

High Energy Physics - Experiment · Physics 2020-02-12 ATLAS Collaboration

Performance of the CMS Level-1 Trigger

The first level trigger of the CMS experiment is comprised of custom electronics that process data from the electromagnetic and hadron calorimeters and three technologies of muon detectors in order to select the most interesting events from…

High Energy Physics - Experiment · Physics 2019-08-13 J. Brooke

Electron efficiency in LHC Run-2 with the ATLAS experiment

The document presents a general overview of the electron reconstruction, identification and isolation performance in the ATLAS experiment. The results are obtained using 13 TeV proton-proton collision data collected during the LHC Run-2.…

High Energy Physics - Experiment · Physics 2025-04-02 Otilia Ducu

Electron reconstruction and identification efficiency measurements with the ATLAS detector using the 2011 LHC proton-proton collision data

Many of the interesting physics processes to be measured at the LHC have a signature involving one or more isolated electrons. The electron reconstruction and identification efficiencies of the ATLAS detector at the LHC have been evaluated…

High Energy Physics - Experiment · Physics 2014-07-23 ATLAS Collaboration

Performance of electron reconstruction and selection with the CMS detector in proton-proton collisions at sqrt(s) = 8 TeV

The performance and strategies used in electron reconstruction and selection at CMS are presented based on data corresponding to an integrated luminosity of 19.7 inverse femtobarns, collected in proton-proton collisions at sqrt(s) = 8 TeV…

Instrumentation and Detectors · Physics 2015-07-02 CMS Collaboration

Hadronic Trigger using electromagnetic calorimeter and particle identification at high-pT with STAR Detector

We derive a new method to improve the statistics of identified particles at high transverse momentum (\pt) using online-triggered events by the Barrel Electro-Magnetic-Calorimeter (BEMC) detector. The BEMC is used to select hadronic…

High Energy Physics - Experiment · Physics 2011-12-20 Hongyu Da , Xiangli Cui , Gene Van Buren , J. C. Dunlop , Xin Dong , Lijuan Ruan , Anthony Timmins , Zebo Tang , Xiaolian Wang , Yichun Xu , Zhangbu Xu

THGEM-based detectors for sampling elements in DHCAL: laboratory and beam evaluation

We report on the results of an extensive R&D program aimed at the evaluation of Thick-Gas Electron Multipliers (THGEM) as potential active elements for Digital Hadron Calorimetry (DHCAL). Results are presented on efficiency, pad…

Instrumentation and Detectors · Physics 2015-06-03 L. Arazi , A. Breskin , R. Chechik , M. Cortesi , M. Pitt , A. Rubin , H. Natal da Luz , J. M. F. dos Santos , C. D. R. Azevedo , D. S. Covita , C. A. B. Oliveira , J. F. C. A. Veloso , M. Breidenbach , D. Freytag , G. Haller , R. Herbst , S. Park , A. White , J. Yu , E. Oliveri

Optimizing the Performance of the CMS ECAL Trigger for Runs 2 and 3 of the CERN LHC

The CMS Electromagnetic Calorimeter (ECAL) is a high resolution crystal calorimeter operating at the CERN LHC. It is responsible for the identification and precise reconstruction of electrons and photons in CMS, which were crucial in the…

Instrumentation and Detectors · Physics 2019-10-15 Abraham Tishelman-Charny

Study of BESIII Trigger Efficiencies with the 2018 $J/\psi$ Data

Using a dedicated data sample taken in 2018 on the $J/\psi$ peak, we perform a detailed study of the trigger efficiencies of the BESIII detector. The efficiencies are determined from three representative physics processes, namely…

High Energy Physics - Experiment · Physics 2021-01-25 BESIII Collaboration , M. Ablikim , M. N. Achasov , P. Adlarson , S. Ahmed , M. Albrecht , A. Amoroso , Q. An , Anita , Y. Bai , O. Bakina , R. Baldini Ferroli , I. Balossino , Y. Ban , K. Begzsuren , J. V. Bennett , N. Berger , M. Bertani , D. Bettoni , F. Bianchi , J Biernat , J. Bloms , A. Bortone , I. Boyko , R. A. Briere , H. Cai , X. Cai , A. Calcaterra , G. F. Cao , N. Cao , S. A. Cetin , J. F. Chang , W. L. Chang , G. Chelkov , D. Y. Chen , G. Chen , H. S. Chen , M. L. Chen , S. J. Chen , X. R. Chen , Y. B. Chen , W. S. Cheng , G. Cibinetto , F. Cossio , X. F. Cui , H. L. Dai , J. P. Dai , X. C. Dai , A. Dbeyssi , R. B. de Boer , D. Dedovich , Z. Y. Deng , A. Denig , I. Denysenko , M. Destefanis , F. De Mori , Y. Ding , C. Dong , J. Dong , L. Y. Dong , M. Y. Dong , S. X. Du , J. Fang , S. S. Fang , Y. Fang , R. Farinelli , L. Fava , F. Feldbauer , G. Felici , C. Q. Feng , M. Fritsch , C. D. Fu , Y. Fu , X. L. Gao , Y. Gao , Y. Gao , Y. G. Gao , I. Garzia , E. M. Gersabeck , A. Gilman , K. Goetzen , L. Gong , W. X. Gong , W. Gradl , M. Greco , L. M. Gu , M. H. Gu , S. Gu , Y. T. Gu , C. Y Guan , A. Q. Guo , L. B. Guo , R. P. Guo , Y. P. Guo , Y. P. Guo , A. Guskov , S. Han , T. T. Han , T. Z. Han , X. Q. Hao , F. A. Harris , K. L. He , F. H. Heinsius , T. Held , Y. K. Heng , M. Himmelreich , T. Holtmann , Y. R. Hou , Z. L. Hou , H. M. Hu , J. F. Hu , T. Hu , Y. Hu , G. S. Huang , L. Q. Huang , X. T. Huang , Z. Huang , N. Huesken , T. Hussain , W. Ikegami Andersson , W. Imoehl , M. Irshad , S. Jaeger , S. Janchiv , Q. Ji , Q. P. Ji , X. B. Ji , X. L. Ji , H. B. Jiang , X. S. Jiang , X. Y. Jiang , J. B. Jiao , Z. Jiao , S. Jin , Y. Jin , T. Johansson , N. Kalantar-Nayestanaki , X. S. Kang , R. Kappert , M. Kavatsyuk , B. C. Ke , I. K. Keshk , A. Khoukaz , P. Kiese , R. Kiuchi , R. Kliemt , L. Koch , O. B. Kolcu , B. Kopf , M. Kuemmel , M. Kuessner , A. Kupsc , M. G. Kurth , W. Kühn , J. J. Lane , J. S. Lange , P. Larin , L. Lavezzi , H. Leithoff , M. Lellmann , T. Lenz , C. Li , C. H. Li , Cheng Li , D. M. Li , F. Li , G. Li , H. B. Li , H. J. Li , J. L. Li , J. Q. Li , Ke Li , L. K. Li , Lei Li , P. L. Li , P. R. Li , S. Y. Li , W. D. Li , W. G. Li , X. H. Li , X. L. Li , Z. B. Li , Z. Y. Li , H. Liang , H. Liang , Y. F. Liang , Y. T. Liang , L. Z. Liao , J. Libby , C. X. Lin , B. Liu , B. J. Liu , C. X. Liu , D. Liu , D. Y. Liu , F. H. Liu , Fang Liu , Feng Liu , H. B. Liu , H. M. Liu , Huanhuan Liu , Huihui Liu , J. B. Liu , J. Y. Liu , K. Liu , K. Y. Liu , Ke Liu , L. Liu , Q. Liu , S. B. Liu , Shuai Liu , T. Liu , X. Liu , Y. B. Liu , Z. A. Liu , Z. Q. Liu , Y. F. Long , X. C. Lou , F. X. Lu , H. J. Lu , J. D. Lu , J. G. Lu , X. L. Lu , Y. Lu , Y. P. Lu , C. L. Luo , M. X. Luo , P. W. Luo , T. Luo , X. L. Luo , S. Lusso , X. R. Lyu , F. C. Ma , H. L. Ma , L. L. Ma , M. M. Ma , Q. M. Ma , R. Q. Ma , R. T. Ma , X. N. Ma , X. X. Ma , X. Y. Ma , Y. M. Ma , F. E. Maas , M. Maggiora , S. Maldaner , S. Malde , Q. A. Malik , A. Mangoni , Y. J. Mao , Z. P. Mao , S. Marcello , Z. X. Meng , J. G. Messchendorp , G. Mezzadri , T. J. Min , R. E. Mitchell , X. H. Mo , Y. J. Mo , N. Yu. Muchnoi , H. Muramatsu , S. Nakhoul , Y. Nefedov , F. Nerling , I. B. Nikolaev , Z. Ning , S. Nisar , i , S. L. Olsen , Q. Ouyang , S. Pacetti , X. Pan , Y. Pan , A. Pathak , P. Patteri , M. Pelizaeus , H. P. Peng , K. Peters , f , J. Pettersson , J. L. Ping , R. G. Ping , A. Pitka , R. Poling , V. Prasad , H. Qi , H. R. Qi , M. Qi , T. Y. Qi , S. Qian , W. -B. Qian , Z. Qian , C. F. Qiao , L. Q. Qin , X. P. Qin , X. S. Qin , Z. H. Qin , J. F. Qiu , S. Q. Qu , K. H. Rashid , K. Ravindran , C. F. Redmer , A. Rivetti , V. Rodin , M. Rolo , G. Rong , Ch. Rosner , M. Rump , A. Sarantsev , d , Y. Schelhaas , C. Schnier , K. Schoenning , D. C. Shan , W. Shan , X. Y. Shan , M. Shao , C. P. Shen , P. X. Shen , X. Y. Shen , H. C. Shi , R. S. Shi , X. Shi , X. D Shi , J. J. Song , Q. Q. Song , W. M. Song , Y. X. Song , k , S. Sosio , S. Spataro , F. F. Sui , G. X. Sun , J. F. Sun , L. Sun , S. S. Sun , T. Sun , W. Y. Sun , X Sun , l , Y. J. Sun , Y. K Sun , Y. Z. Sun , Z. T. Sun , Y. H. Tan , Y. X. Tan , C. J. Tang , G. Y. Tang , J. Tang , V. Thoren , B. Tsednee , I. UmanD , B. Wang , B. L. Wang , C. W. Wang , D. Y. Wang , k , H. P. Wang , K. Wang , L. L. Wang , M. Wang , M. Z. Wang , k , Meng Wang , W. H. Wang , W. P. Wang , X. Wang , k , X. F. Wang , X. L. Wang , Y. Wang , Y. Wang , Y. D. Wang , Y. F. Wang , Y. Q. Wang , Z. Wang , Z. Y. Wang , Ziyi Wang , Zongyuan Wang , D. H. Wei , P. Weidenkaff , F. Weidner , S. P. Wen , D. J. White , U. Wiedner , G. Wilkinson , M. Wolke , L. Wollenberg , J. F. Wu , L. H. Wu , L. J. Wu , X. Wu , Z. Wu , L. Xia , H. Xiao , S. Y. Xiao , Y. J. Xiao , Z. J. Xiao , X. H. Xie , k , Y. G. Xie , Y. H. Xie , T. Y. Xing , X. A. Xiong , G. F. Xu , J. J. Xu , Q. J. Xu , W. Xu , X. P. Xu , L. Yan , L. Yan , W. B. Yan , W. C. Yan , Xu Yan , H. J. Yang , H. X. Yang , L. Yang , R. X. Yang , S. L. Yang , Y. H. Yang , Y. X. Yang , Yifan Yang , Zhi Yang , M. Ye , M. H. Ye , J. H. Yin , Z. Y. You , B. X. Yu , C. X. Yu , G. Yu , J. S. Yu , l , T. Yu , C. Z. Yuan , W. Yuan , X. Q. Yuan , k , Y. Yuan , Z. Y. Yuan , C. X. Yue , A. Yuncu , A. A. Zafar , Y. Zeng , l , B. X. Zhang , Guangyi Zhang , H. H. Zhang , H. Y. Zhang , J. L. Zhang , J. Q. Zhang , J. W. Zhang , J. Y. Zhang , J. Z. Zhang , Jianyu Zhang , Jiawei Zhang , L. Zhang , Lei Zhang , S. Zhang , S. F. Zhang , T. J. Zhang , X. Y. Zhang , Y. Zhang , Y. H. Zhang , Y. T. Zhang , Yan Zhang , Yao Zhang , Yi Zhang , Z. H. Zhang , Z. Y. Zhang , G. Zhao , J. Zhao , J. Y. Zhao , J. Z. Zhao , Lei Zhao , Ling Zhao , M. G. Zhao , Q. Zhao , S. J. Zhao , Y. B. Zhao , Y. X. Zhao , Z. G. Zhao , A. Zhemchugov , B. Zheng , J. P. Zheng , Y. Zheng , k , Y. H. Zheng , B. Zhong , C. Zhong , L. P. Zhou , Q. Zhou , X. Zhou , X. K. Zhou , X. R. Zhou , A. N. Zhu , J. Zhu , K. Zhu , K. J. Zhu , S. H. Zhu , W. J. Zhu , X. L. Zhu , Y. C. Zhu , Z. A. Zhu , B. S. Zou , J. H. Zou

The Electronics of the H1 Lead/Scintillating-Fibre Calorimeters

The electronic system developed for the SpaCal lead/scintillating-fibre calorimeters of the H1 detector in operation at the HERA ep collider is described in detail and the performance achieved during H1 data-taking is presented. The 10 MHz…

Instrumentation and Detectors · Physics 2009-10-31 H1 SpaCal Group , R. -D. Appuhn et al

The CMS ECAL Trigger and DAQ system: electronics auto-recovery and monitoring

In 2017, the LHC (Large Hadron Collider) at CERN has obtained an astonishing result providing proton-proton collisions with an integrated luminosity of 50.25 fb-1. The CMS (Compact Muon Solenoid), a general-purpose detector operating at the…

Instrumentation and Detectors · Physics 2018-07-24 Prasanna Kumar Siddireddy

The CMS trigger system

This paper describes the CMS trigger system and its performance during Run 1 of the LHC. The trigger system consists of two levels designed to select events of potential physics interest from a GHz (MHz) interaction rate of proton-proton…

Instrumentation and Detectors · Physics 2017-01-26 CMS Collaboration

Performance of photon reconstruction and identification with the CMS detector in proton-proton collisions at sqrt(s) = 8 TeV

A description is provided of the performance of the CMS detector for photon reconstruction and identification in proton-proton collisions at a centre-of-mass energy of 8 TeV at the CERN LHC. Details are given on the reconstruction of…

Instrumentation and Detectors · Physics 2015-08-24 CMS Collaboration

LUX Trigger Efficiency

The Large Underground Xenon experiment (LUX) searches for dark matter using a dual-phase xenon detector. LUX uses a custom-developed trigger system for event selection. In this paper, the trigger efficiency, which is defined as the…

Instrumentation and Detectors · Physics 2018-10-17 D. S. Akerib , S. Alsum , H. M. Araújo , X. Bai , J. Balajthy , P. Beltrame , E. P. Bernard , A. Bernstein , T. P. Biesiadzinski , E. M. Boulton , B. Boxer , P. Brás , S. Burdin , D. Byram , M. C. Carmona-Benitez , C. Chan , J. E. Cutter , T. J. R. Davison , E. Druszkiewicz , S. R. Fallon , A. Fan , S. Fiorucci , R. J. Gaitskell , J. Genovesi , C. Ghag , M. G. D. Gilchriese , E. Grace , C. Gwilliam , C. R. Hall , S. J. Haselschwardt , S. A. Hertel , D. P. Hogan , M. Horn , D. Q. Huang , C. M. Ignarra , R. G. Jacobsen , W. Ji , K. Kamdin , K. Kazkaz , D. Khaitan , R. Knoche , E. V. Korolkova , S. Kravitz , V. A. Kudryavtsev , B. G. Lenardo , K. T. Lesko , J. Liao , J. Lin , A. Lindote , M. I. Lopes , A. Manalaysay , R. L. Mannino , N. Marangou , M. F. Marzioni , D. N. McKinsey , D. -M. Mei , M. Moongweluwan , J. A. Morad , A. St. J. Murphy , C. Nehrkorn , H. N. Nelson , F. Neves , K. C. Oliver-Mallory , K. J. Palladino , E. K. Pease , G. R. C. Rischbieter , C. Rhyne , P. Rossiter , S. Shaw , T. A. Shutt , C. Silva , M. Solmaz , V. N. Solovov , P. Sorensen , T. J. Sumner , M. Szydagis , D. J. Taylor , W. C. Taylor , B. P. Tennyson , P. A. Terman , D. R. Tiedt , W. H. To , M. Tripathi , L. Tvrznikova , U. Utku , S. Uvarov , V. Velan , J. R. Verbus , R. C. Webb , J. T. White , T. J. Whitis , M. S. Witherell , F. L. H. Wolfs , D. Woodward , J. Xu , K. Yazdani , C. Zhang

Efficiency measurement of b-tagging algorithms developed by the CMS experiment

Identification of jets originating from b quarks (b-tagging) is a key element of many physics analyses at the LHC. Various algorithms for b-tagging have been developed by the CMS experiment to identify b-tagged jets with a typical…

High Energy Physics - Experiment · Physics 2019-08-13 Saptaparna Bhattacharya

Performance of Muon-Based Triggers at the CMS High Level Trigger

The trigger systems of the CERN LHC detectors play a crucial role in determining the physics capabilities of the experiments. A reduction of several orders of magnitude of the event rate is needed to reach values compatible with the…

Instrumentation and Detectors · Physics 2014-09-18 Juliette Alimena

Electron performance measurements with the ATLAS detector using the 2010 LHC proton-proton collision data

Detailed measurements of the electron performance of the ATLAS detector at the LHC are reported, using decays of the Z, W and J/psi particles. Data collected in 2010 at sqrt(s)=7 TeV are used, corresponding to an integrated luminosity of…

High Energy Physics - Experiment · Physics 2012-08-27 ATLAS Collaboration

The first-level trigger of ATLAS

Due to the huge interaction rates and the tough experimental environment of pp collisions at a centre-of-mass energy sqrt(s)=14TeV and luminosities of up to 10^34 cm^-2 s^-1, one of the experimental challenges at the LHC is the triggering…

Instrumentation and Detectors · Physics 2019-08-14 Johannes Haller