A study of a second level track trigger for ATLAS
Identifieur interne : 00D870 ( Main/Exploration ); précédent : 00D869; suivant : 00D871A study of a second level track trigger for ATLAS
Auteurs : K. Borer [Suisse] ; S. Bates [Royaume-Uni] ; D. J. Munday [Royaume-Uni] ; M. A. Parker [Royaume-Uni] ; A. Poppleton [Suisse] ; C. Gössling [Allemagne] ; B. Lisowski [Allemagne] ; A. Reichold [Allemagne] ; R. Spiwoks [Allemagne] ; E. Tsesmelis [Allemagne] ; A. G. Clark [Suisse] ; R. Bonino [Suisse] ; X. Wu [Suisse] ; G. F. Moorhead [Australie] ; G. N. Taylor [Australie] ; S. N. Tovey [Australie] ; S. Stapnes [Norvège] ; R. J. Hawkings [Royaume-Uni] ; A. R. Weidberg [Royaume-Uni] ; P. Lubrano [Italie] ; P. Scampoli [Italie] ; J. Teiger [France] ; A. Gheorghe [Roumanie] ; R. Bock [Suisse] ; W. Krischer [Suisse]Source :
- Nuclear Inst. and Methods in Physics Research, A [ 0168-9002 ] ; 1993.
Descripteurs français
- Wicri :
- topic : Simulation.
English descriptors
- KwdEn :
- Additional rejection, Algorithm, Atlas detector, Atlas experiment, Barrel region, Beam pipe, Borer, Bunch crossings, Calorimeter, Calorimeter cluster, Calorimeter electron, Calorimeter triggers, Commercial processors, Computer time, Cops energy layer, Core energy, Data wave processor, Dead areas, Decision rate, Detector, Efficiency curve, Electromagnetic, Electromagnetic calorimeter, Electron efficiency, Electron triggers, Electronic noise, Energy loss, Energy response, Execution time, Extra factor, Fake electrons, Faulty electronics, First level, Full efficiency, Global level, Granularity, Hadron, Hadronic calorimeter, High energy, High luminosity, Highest energy cluster, Ieee trans, Inner ring, Inner tracker, Interesting physics channels, Layer, Longitudinal samplings, Lookup tables, Magnetic field, Minimum bias background, Minimum bias events, Momentum measurement, Monte carlo simulations, Nucl instr, Other triggers, Outer silicon tracker, Overall level, Pileup, Pileup background, Pileup events, Pion, Pipelined system, Preshower, Preshower detector, Preshower material, Preshower radiator, Processing unit, Radial distribution, Real electrons, Rejection factor, Rejection power, Residual, Second leuel track, Second level, Second level track, Silicon, Silicon detector, Silicon detectors, Silicon tracker, Simulation, Simulation methods, Single electron, Single electrons, Sitv, Special hardware, Spurious hits, Straight line, Total thickness, Tracker, Tracker material, Vertex position, Vertex spread, Window widths.
- Teeft :
- Additional rejection, Algorithm, Atlas detector, Atlas experiment, Barrel region, Beam pipe, Borer, Bunch crossings, Calorimeter, Calorimeter cluster, Calorimeter electron, Calorimeter triggers, Commercial processors, Computer time, Cops energy layer, Core energy, Data wave processor, Dead areas, Decision rate, Detector, Efficiency curve, Electromagnetic, Electromagnetic calorimeter, Electron efficiency, Electron triggers, Electronic noise, Energy loss, Energy response, Execution time, Extra factor, Fake electrons, Faulty electronics, First level, Full efficiency, Global level, Granularity, Hadron, Hadronic calorimeter, High energy, High luminosity, Highest energy cluster, Ieee trans, Inner ring, Inner tracker, Interesting physics channels, Layer, Longitudinal samplings, Lookup tables, Magnetic field, Minimum bias background, Minimum bias events, Momentum measurement, Monte carlo simulations, Nucl instr, Other triggers, Outer silicon tracker, Overall level, Pileup, Pileup background, Pileup events, Pion, Pipelined system, Preshower, Preshower detector, Preshower material, Preshower radiator, Processing unit, Radial distribution, Real electrons, Rejection factor, Rejection power, Residual, Second leuel track, Second level, Second level track, Silicon, Silicon detector, Silicon detectors, Silicon tracker, Simulation, Simulation methods, Single electron, Single electrons, Sitv, Special hardware, Spurious hits, Straight line, Total thickness, Tracker, Tracker material, Vertex position, Vertex spread, Window widths.
Abstract
Abstract: This paper discusses some of the problems of triggering at a high energy, high luminosity pp collider. A suggested second level track trigger for the ATLAS detector is described, based on hit information from a silicon tracker. Detailed Monte Carlo simulations have been performed to assess the performance of the trigger in accepting electrons and in rejecting the QCD jets that would fake electrons in the first level calorimeter trigger. Studies of the feasibility of implementing such a trigger are also presented.
Url:
DOI: 10.1016/0168-9002(93)91080-7
Affiliations:
- Allemagne, Australie, France, Italie, Norvège, Roumanie, Royaume-Uni, Suisse
- Angleterre, Angleterre de l'Est, Canton de Berne, Canton de Genève, District d'Arnsberg, Oxfordshire, Rhénanie-du-Nord-Westphalie, Victoria (État), Île-de-France, Østlandet
- Berne, Cambridge, Dortmund, Genève, Gif-sur-Yvette, Melbourne, Oslo, Oxford
- Université de Berne, Université de Cambridge, Université de Genève, Université de Melbourne
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Bonino</name><affiliation wicri:level="4"><country xml:lang="fr">Suisse</country><wicri:regionArea>DPNC, Université de Geneve, Geneva</wicri:regionArea><orgName type="university">Université de Genève</orgName><placeName><settlement type="city">Genève</settlement><region nuts="3" type="region">Canton de Genève</region></placeName></affiliation></author><author><name sortKey="Wu, X" sort="Wu, X" uniqKey="Wu X" first="X." last="Wu">X. Wu</name><affiliation wicri:level="4"><country xml:lang="fr">Suisse</country><wicri:regionArea>DPNC, Université de Geneve, Geneva</wicri:regionArea><orgName type="university">Université de Genève</orgName><placeName><settlement type="city">Genève</settlement><region nuts="3" type="region">Canton de Genève</region></placeName></affiliation></author><author><name sortKey="Moorhead, G F" sort="Moorhead, G F" uniqKey="Moorhead G" first="G. F." last="Moorhead">G. F. Moorhead</name><affiliation wicri:level="4"><country xml:lang="fr">Australie</country><wicri:regionArea>School of Physics, University of Melbourne, Melbourne</wicri:regionArea><placeName><settlement type="city">Melbourne</settlement><region type="état">Victoria (État)</region><settlement type="city">Melbourne</settlement></placeName><orgName type="university">Université de Melbourne</orgName></affiliation></author><author><name sortKey="Taylor, G N" sort="Taylor, G N" uniqKey="Taylor G" first="G. N." last="Taylor">G. N. Taylor</name><affiliation wicri:level="4"><country xml:lang="fr">Australie</country><wicri:regionArea>School of Physics, University of Melbourne, Melbourne</wicri:regionArea><placeName><settlement type="city">Melbourne</settlement><region type="état">Victoria (État)</region><settlement type="city">Melbourne</settlement></placeName><orgName type="university">Université de Melbourne</orgName></affiliation></author><author><name sortKey="Tovey, S N" sort="Tovey, S N" uniqKey="Tovey S" first="S. N." last="Tovey">S. N. Tovey</name><affiliation wicri:level="4"><country xml:lang="fr">Australie</country><wicri:regionArea>School of Physics, University of Melbourne, Melbourne</wicri:regionArea><placeName><settlement type="city">Melbourne</settlement><region type="état">Victoria (État)</region><settlement type="city">Melbourne</settlement></placeName><orgName type="university">Université de Melbourne</orgName></affiliation></author><author><name sortKey="Stapnes, S" sort="Stapnes, S" uniqKey="Stapnes S" first="S." last="Stapnes">S. Stapnes</name><affiliation wicri:level="3"><country xml:lang="fr">Norvège</country><wicri:regionArea>University of Oslo, Blindern, Oslo</wicri:regionArea><placeName><settlement type="city">Oslo</settlement><region nuts="2">Østlandet</region></placeName></affiliation></author><author><name sortKey="Hawkings, R J" sort="Hawkings, R J" uniqKey="Hawkings R" first="R. J." last="Hawkings">R. J. Hawkings</name><affiliation wicri:level="3"><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea>Department of Nuclear Physics, Oxford University, Oxford</wicri:regionArea><placeName><settlement type="city">Oxford</settlement><region type="country">Angleterre</region><region type="comté" nuts="2">Oxfordshire</region></placeName></affiliation></author><author><name sortKey="Weidberg, A R" sort="Weidberg, A R" uniqKey="Weidberg A" first="A. R." last="Weidberg">A. R. Weidberg</name><affiliation wicri:level="3"><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea>Department of Nuclear Physics, Oxford University, Oxford</wicri:regionArea><placeName><settlement type="city">Oxford</settlement><region type="country">Angleterre</region><region type="comté" nuts="2">Oxfordshire</region></placeName></affiliation></author><author><name sortKey="Lubrano, P" sort="Lubrano, P" uniqKey="Lubrano P" first="P." last="Lubrano">P. Lubrano</name><affiliation wicri:level="1"><country xml:lang="fr">Italie</country><wicri:regionArea>Dipartimento di Fisica dell'Università di Perugia and INFN Sezione di Perugia</wicri:regionArea></affiliation></author><author><name sortKey="Scampoli, P" sort="Scampoli, P" uniqKey="Scampoli P" first="P." last="Scampoli">P. Scampoli</name><affiliation wicri:level="1"><country xml:lang="fr">Italie</country><wicri:regionArea>Dipartimento di Fisica dell'Università di Perugia and INFN Sezione di Perugia</wicri:regionArea></affiliation></author><author><name sortKey="Teiger, J" sort="Teiger, J" uniqKey="Teiger J" first="J." last="Teiger">J. Teiger</name><affiliation wicri:level="3"><country xml:lang="fr">France</country><wicri:regionArea>Centre d'Etudes Nucléaires de Saclay, Gif-sur-Yvette</wicri:regionArea><placeName><region type="region" nuts="2">Île-de-France</region><settlement type="city">Gif-sur-Yvette</settlement></placeName></affiliation></author><author><name sortKey="Gheorghe, A" sort="Gheorghe, A" uniqKey="Gheorghe A" first="A." last="Gheorghe">A. Gheorghe</name><affiliation wicri:level="1"><country xml:lang="fr">Roumanie</country><wicri:regionArea>Institute of Atomic Physics and Polytecnic Institute, Bucharest</wicri:regionArea><wicri:noRegion>Bucharest</wicri:noRegion></affiliation></author><author><name sortKey="Bock, R" sort="Bock, R" uniqKey="Bock R" first="R." last="Bock">R. Bock</name><affiliation wicri:level="1"><country xml:lang="fr">Suisse</country><wicri:regionArea>CERN, Geneva</wicri:regionArea><wicri:noRegion>Geneva</wicri:noRegion></affiliation></author><author><name sortKey="Krischer, W" sort="Krischer, W" uniqKey="Krischer W" first="W." last="Krischer">W. Krischer</name><affiliation wicri:level="1"><country xml:lang="fr">Suisse</country><wicri:regionArea>CERN, Geneva</wicri:regionArea><wicri:noRegion>Geneva</wicri:noRegion></affiliation></author></analytic><monogr></monogr><series><title level="j">Nuclear Inst. and Methods in Physics Research, A</title><title level="j" type="abbrev">NIMA</title><idno type="ISSN">0168-9002</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="1993">1993</date><biblScope unit="volume">336</biblScope><biblScope unit="issue">1–2</biblScope><biblScope unit="page" from="59">59</biblScope><biblScope unit="page" to="77">77</biblScope></imprint><idno type="ISSN">0168-9002</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0168-9002</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Additional rejection</term><term>Algorithm</term><term>Atlas detector</term><term>Atlas experiment</term><term>Barrel region</term><term>Beam pipe</term><term>Borer</term><term>Bunch crossings</term><term>Calorimeter</term><term>Calorimeter cluster</term><term>Calorimeter electron</term><term>Calorimeter triggers</term><term>Commercial processors</term><term>Computer time</term><term>Cops energy layer</term><term>Core energy</term><term>Data wave processor</term><term>Dead areas</term><term>Decision rate</term><term>Detector</term><term>Efficiency curve</term><term>Electromagnetic</term><term>Electromagnetic calorimeter</term><term>Electron efficiency</term><term>Electron triggers</term><term>Electronic noise</term><term>Energy loss</term><term>Energy response</term><term>Execution time</term><term>Extra factor</term><term>Fake electrons</term><term>Faulty electronics</term><term>First level</term><term>Full efficiency</term><term>Global level</term><term>Granularity</term><term>Hadron</term><term>Hadronic calorimeter</term><term>High energy</term><term>High luminosity</term><term>Highest energy cluster</term><term>Ieee trans</term><term>Inner ring</term><term>Inner tracker</term><term>Interesting physics channels</term><term>Layer</term><term>Longitudinal samplings</term><term>Lookup tables</term><term>Magnetic field</term><term>Minimum bias background</term><term>Minimum bias events</term><term>Momentum measurement</term><term>Monte carlo simulations</term><term>Nucl instr</term><term>Other triggers</term><term>Outer silicon tracker</term><term>Overall level</term><term>Pileup</term><term>Pileup background</term><term>Pileup events</term><term>Pion</term><term>Pipelined system</term><term>Preshower</term><term>Preshower detector</term><term>Preshower material</term><term>Preshower radiator</term><term>Processing unit</term><term>Radial distribution</term><term>Real electrons</term><term>Rejection factor</term><term>Rejection power</term><term>Residual</term><term>Second leuel track</term><term>Second level</term><term>Second level track</term><term>Silicon</term><term>Silicon detector</term><term>Silicon detectors</term><term>Silicon tracker</term><term>Simulation</term><term>Simulation methods</term><term>Single electron</term><term>Single electrons</term><term>Sitv</term><term>Special hardware</term><term>Spurious hits</term><term>Straight line</term><term>Total thickness</term><term>Tracker</term><term>Tracker material</term><term>Vertex position</term><term>Vertex spread</term><term>Window widths</term></keywords><keywords scheme="Teeft" xml:lang="en"><term>Additional rejection</term><term>Algorithm</term><term>Atlas detector</term><term>Atlas experiment</term><term>Barrel region</term><term>Beam pipe</term><term>Borer</term><term>Bunch crossings</term><term>Calorimeter</term><term>Calorimeter cluster</term><term>Calorimeter electron</term><term>Calorimeter triggers</term><term>Commercial processors</term><term>Computer time</term><term>Cops energy layer</term><term>Core energy</term><term>Data wave processor</term><term>Dead areas</term><term>Decision rate</term><term>Detector</term><term>Efficiency curve</term><term>Electromagnetic</term><term>Electromagnetic calorimeter</term><term>Electron efficiency</term><term>Electron triggers</term><term>Electronic noise</term><term>Energy loss</term><term>Energy response</term><term>Execution time</term><term>Extra factor</term><term>Fake electrons</term><term>Faulty electronics</term><term>First level</term><term>Full efficiency</term><term>Global level</term><term>Granularity</term><term>Hadron</term><term>Hadronic calorimeter</term><term>High energy</term><term>High luminosity</term><term>Highest energy cluster</term><term>Ieee trans</term><term>Inner ring</term><term>Inner tracker</term><term>Interesting physics channels</term><term>Layer</term><term>Longitudinal samplings</term><term>Lookup tables</term><term>Magnetic field</term><term>Minimum bias background</term><term>Minimum bias events</term><term>Momentum measurement</term><term>Monte carlo simulations</term><term>Nucl instr</term><term>Other triggers</term><term>Outer silicon tracker</term><term>Overall level</term><term>Pileup</term><term>Pileup background</term><term>Pileup events</term><term>Pion</term><term>Pipelined system</term><term>Preshower</term><term>Preshower detector</term><term>Preshower material</term><term>Preshower radiator</term><term>Processing unit</term><term>Radial distribution</term><term>Real electrons</term><term>Rejection factor</term><term>Rejection power</term><term>Residual</term><term>Second leuel track</term><term>Second level</term><term>Second level track</term><term>Silicon</term><term>Silicon detector</term><term>Silicon detectors</term><term>Silicon tracker</term><term>Simulation</term><term>Simulation methods</term><term>Single electron</term><term>Single electrons</term><term>Sitv</term><term>Special hardware</term><term>Spurious hits</term><term>Straight line</term><term>Total thickness</term><term>Tracker</term><term>Tracker material</term><term>Vertex position</term><term>Vertex spread</term><term>Window widths</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Simulation</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Abstract: This paper discusses some of the problems of triggering at a high energy, high luminosity pp collider. A suggested second level track trigger for the ATLAS detector is described, based on hit information from a silicon tracker. Detailed Monte Carlo simulations have been performed to assess the performance of the trigger in accepting electrons and in rejecting the QCD jets that would fake electrons in the first level calorimeter trigger. Studies of the feasibility of implementing such a trigger are also presented.</div></front></TEI><affiliations><list><country><li>Allemagne</li><li>Australie</li><li>France</li><li>Italie</li><li>Norvège</li><li>Roumanie</li><li>Royaume-Uni</li><li>Suisse</li></country><region><li>Angleterre</li><li>Angleterre de l'Est</li><li>Canton de Berne</li><li>Canton de Genève</li><li>District d'Arnsberg</li><li>Oxfordshire</li><li>Rhénanie-du-Nord-Westphalie</li><li>Victoria (État)</li><li>Île-de-France</li><li>Østlandet</li></region><settlement><li>Berne</li><li>Cambridge</li><li>Dortmund</li><li>Genève</li><li>Gif-sur-Yvette</li><li>Melbourne</li><li>Oslo</li><li>Oxford</li></settlement><orgName><li>Université de Berne</li><li>Université de Cambridge</li><li>Université de Genève</li><li>Université de Melbourne</li></orgName></list><tree><country name="Suisse"><region name="Canton de Berne"><name sortKey="Borer, K" sort="Borer, K" uniqKey="Borer K" first="K." last="Borer">K. Borer</name></region><name sortKey="Bock, R" sort="Bock, R" uniqKey="Bock R" first="R." last="Bock">R. Bock</name><name sortKey="Bonino, R" sort="Bonino, R" uniqKey="Bonino R" first="R." last="Bonino">R. Bonino</name><name sortKey="Clark, A G" sort="Clark, A G" uniqKey="Clark A" first="A. G." last="Clark">A. G. Clark</name><name sortKey="Krischer, W" sort="Krischer, W" uniqKey="Krischer W" first="W." last="Krischer">W. Krischer</name><name sortKey="Poppleton, A" sort="Poppleton, A" uniqKey="Poppleton A" first="A." last="Poppleton">A. Poppleton</name><name sortKey="Wu, X" sort="Wu, X" uniqKey="Wu X" first="X." last="Wu">X. Wu</name></country><country name="Royaume-Uni"><region name="Angleterre"><name sortKey="Bates, S" sort="Bates, S" uniqKey="Bates S" first="S." last="Bates">S. Bates</name></region><name sortKey="Hawkings, R J" sort="Hawkings, R J" uniqKey="Hawkings R" first="R. J." last="Hawkings">R. J. Hawkings</name><name sortKey="Munday, D J" sort="Munday, D J" uniqKey="Munday D" first="D. J." last="Munday">D. J. Munday</name><name sortKey="Parker, M A" sort="Parker, M A" uniqKey="Parker M" first="M. A." last="Parker">M. A. Parker</name><name sortKey="Weidberg, A R" sort="Weidberg, A R" uniqKey="Weidberg A" first="A. R." last="Weidberg">A. R. Weidberg</name></country><country name="Allemagne"><region name="Rhénanie-du-Nord-Westphalie"><name sortKey="Gossling, C" sort="Gossling, C" uniqKey="Gossling C" first="C." last="Gössling">C. Gössling</name></region><name sortKey="Lisowski, B" sort="Lisowski, B" uniqKey="Lisowski B" first="B." last="Lisowski">B. Lisowski</name><name sortKey="Reichold, A" sort="Reichold, A" uniqKey="Reichold A" first="A." last="Reichold">A. Reichold</name><name sortKey="Spiwoks, R" sort="Spiwoks, R" uniqKey="Spiwoks R" first="R." last="Spiwoks">R. Spiwoks</name><name sortKey="Tsesmelis, E" sort="Tsesmelis, E" uniqKey="Tsesmelis E" first="E." last="Tsesmelis">E. Tsesmelis</name></country><country name="Australie"><region name="Victoria (État)"><name sortKey="Moorhead, G F" sort="Moorhead, G F" uniqKey="Moorhead G" first="G. F." last="Moorhead">G. F. Moorhead</name></region><name sortKey="Taylor, G N" sort="Taylor, G N" uniqKey="Taylor G" first="G. N." last="Taylor">G. N. Taylor</name><name sortKey="Tovey, S N" sort="Tovey, S N" uniqKey="Tovey S" first="S. N." last="Tovey">S. N. Tovey</name></country><country name="Norvège"><region name="Østlandet"><name sortKey="Stapnes, S" sort="Stapnes, S" uniqKey="Stapnes S" first="S." last="Stapnes">S. Stapnes</name></region></country><country name="Italie"><noRegion><name sortKey="Lubrano, P" sort="Lubrano, P" uniqKey="Lubrano P" first="P." last="Lubrano">P. Lubrano</name></noRegion><name sortKey="Scampoli, P" sort="Scampoli, P" uniqKey="Scampoli P" first="P." last="Scampoli">P. Scampoli</name></country><country name="France"><region name="Île-de-France"><name sortKey="Teiger, J" sort="Teiger, J" uniqKey="Teiger J" first="J." last="Teiger">J. Teiger</name></region></country><country name="Roumanie"><noRegion><name sortKey="Gheorghe, A" sort="Gheorghe, A" uniqKey="Gheorghe A" first="A." last="Gheorghe">A. Gheorghe</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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