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Position resolution...
Position resolution and particle identification with the ATLAS EM calorimeter
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Colas, J. (author)
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Di Ciaccio, L. (author)
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El Kacimi, M. (author)
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Gaumer, O. (author)
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- Lund-Jensen, Bengt (author)
- KTH,Partikel- och astropartikelfysik
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Tayalati, Y. (author)
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et, al (author)
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- Lafaye, Remi (author)
- Univ Savoie, LAPP, CNTS IN2P3, Annecy Le Vieux, France
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(creator_code:org_t)
- Elsevier BV, 2005
- 2005
- English.
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In: Nuclear Instruments and Methods in Physics Research Section A. - : Elsevier BV. - 0168-9002 .- 1872-9576. ; 550:02-jan, s. 96-115
- Related links:
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http://arxiv.org/pdf...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- 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 first sampling has been studied. The polar angle resolution has been found to be in the range 50-60 (mrad)/root E(GeV). The pi(0) rejection has been measured to be about 3.5 for 90% photon selection efficiency at PT = 50GeV/c. e-pi separation studies have indicated that a pion fake rate of (0.07-0.5)% can be achieved while maintaining 90% electron identification efficiency for energies up to 40 GeV.
Subject headings
- NATURVETENSKAP -- Fysik -- Subatomär fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Subatomic Physics (hsv//eng)
Keyword
- calorimeters
- particle physics
- performance
- module-0
Publication and Content Type
- ref (subject category)
- art (subject category)
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