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This work is dedicated to the study of a technique for hadron identification in the TeV momentum range, based on the simultaneous measurement of the energies and of the emission angles of the Transition Radiation (TR) X-rays with respect to…

This paper presents a method to identify electrons using the Cherenkov light emitted when a charged particle travels in air and photons are detected with a Silicon PhotoMultiplier (SiPM). The analysis is based on a photon-counting approach…

Particle identification (PID) capabilities are studied by using the Time Projection Chamber (TPC) and a Time-Of-Flight (TOF) detector together at STAR. The identification capability of charged hadrons is greatly extended compared with that…

Nuclear Experiment · Physics 2011-07-19 M. Shao , O. Barannikova , X. Dong , Y. Fisyak , L. Ruan , P. Sorensen , Z. Xu

The understanding of the reconstruction and calibration of electrons and photons is one of the key steps at the start-up of data-taking with ATLAS at the LHC (Large Hadron Collider). The calorimeter cells are electronically calibrated…

High Energy Physics - Experiment · Physics 2008-10-21 H. J. Kim

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

Terahertz (THz) radiation has uses from security to medicine; however, sensitive room-temperature detection of THz is notoriously difficult. The hot-electron photothermoelectric effect in graphene is a promising detection mechanism:…

The ATLAS Transition Radiation Tracker (TRT) is the outermost of the three sub-systems of the ATLAS Inner Detector at the Large Hadron Collider at CERN. In addition to its tracking capabilities, the TRT provides particle identification…

Instrumentation and Detectors · Physics 2019-08-13 E. Hines

The lepton identification is essential for the physics programs at high-energy frontier, especially for the precise measurement of the Higgs boson. For this purpose, a Toolkit for Multivariate Data Analysis (TMVA) based lepton…

Instrumentation and Detectors · Physics 2017-10-11 Dan Yu , Manqi Ruan , Vincent Boudry , Henri Videau

We report on electron identification methods and their performance in the Belle experiment at the KEK-B asymmetric B-Factory $e^{+} e^{-}$ storage ring. Electrons are selected using a likelihood approach that takes information from the…

High Energy Physics - Experiment · Physics 2008-11-26 K. Hanagaki , H. Kakuno , H. Ikeda , T. Iijima , T. Tsukamoto

In the years between 2000 and 2002 several pre-series and series modules of the ATLAS EM barrel and end-cap calorimeter were exposed to electron, photon and pion beams. The performance of the calorimeter with respect to its finely segmented…

Instrumentation and Detectors · Physics 2019-08-14 Roberto Sacco

We present the electron/pion identification performance measured with prototypes for ALICE TRD. Measured spectra of energy deposit of pions and electrons as well as their average values are presented and compared to calculations. Various…

Instrumentation and Detectors · Physics 2010-11-19 A. Andronic

We investigate whether state-of-the-art classification features commonly used to distinguish electrons from jet backgrounds in collider experiments are overlooking valuable information. A deep convolutional neural network analysis of…

Data Analysis, Statistics and Probability · Physics 2021-07-07 Julian Collado , Jessica N. Howard , Taylor Faucett , Tony Tong , Pierre Baldi , Daniel Whiteson

We study the electron/pion identification performance of the ALICE Transition Radiation Detector (TRD) prototypes using a neural network (NN) algorithm. Measurements were carried out for particle momenta from 2 to 6 GeV/c. An improvement in…

Instrumentation and Detectors · Physics 2012-08-27 ALICE TRD Collaboration

The ALICE experiment features multiple particle identification systems. The measurement of the identified charged hadron $p_{t}$ spectra in proton-proton collisions at $\sqrt{s}=900$ GeV will be discussed. In the central rapidity region…

High Energy Physics - Experiment · Physics 2019-08-14 L. Milano

Particle IDentification (PID) is a central requirement of the experiments at the future EIC. Hadron PID at high momenta by RICH techniques requires the use of low density gaseous radiators, where the challenge is the limited length of the…

We have developed a terahertz radiation detector that measures both the amplitude and polarization of the electric field as a function of time. The device is a three-contact photoconductive receiver designed so that two orthogonal…

Other Condensed Matter · Physics 2007-05-23 E. Castro-Camus , J. Lloyd-Hughes , M. B. Johnston , M. D. Fraser , H. H. Tan , C. Jagadish

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

We present studies of electron identification (eID) in the MPD experiment at NICA using machine learning techniques. The goal is to improve electron identification efficiency while preserving high purity, which is crucial for dielectron…

High Energy Physics - Experiment · Physics 2026-01-07 Sudhir Pandurang Rode

This paper presents the electron and photon energy calibration achieved with the ATLAS detector using about 25 fb$^{-1}$ of LHC proton--proton collision data taken at centre-of-mass energies of $\sqrt{s}$ = 7 and 8 TeV. The reconstruction…

High Energy Physics - Experiment · Physics 2014-11-14 ATLAS Collaboration

Precision measurements of electron reconstruction, identification, and isolation efficiencies and photon identification efficiencies are presented. They use the full Run 2 data sample collected by the ATLAS experiment in $pp$ collisions at…

High Energy Physics - Experiment · Physics 2024-11-20 ATLAS Collaboration
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