Use of a large multicell ionization detector - The external particle identifier - In experiments with the BEBC hydrogen bubble chamber
Fast secondary particles from interactions of K^+ at 70 GeV/c and K^- at 110 GeV/c in the BEBC hydrogen bubble chamber are identified by use of the relativistic rise of ionization in argon. The ionization is measured in a large multicell ionization counter system, the External Particle Identifier (E...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
1983 |
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| Reproduktion: |
Elsevier Journal Backfiles on ScienceDirect 1907 - 2002 |
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| Übergeordnetes Werk: |
in: Nuclear Instruments and Methods In Physics Research - Amsterdam : Elsevier, 207(1983), 3, Seite 339-356 |
| Übergeordnetes Werk: |
volume:207 ; year:1983 ; number:3 ; pages:339-356 |
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| 520 | |a Fast secondary particles from interactions of K^+ at 70 GeV/c and K^- at 110 GeV/c in the BEBC hydrogen bubble chamber are identified by use of the relativistic rise of ionization in argon. The ionization is measured in a large multicell ionization counter system, the External Particle Identifier (EPI). The operation of this hybrid system, the calibration and the procedures of off-line analysis leading to particle identification are described. For a sample of 9283 secondary particles collected in the K^+ p experiment, we present the measurements of ionization, and the determination of acceptance and identification efficiencies. The momentum-dependent populations of pions, kaons and protons have been obtained. Track by track identification procedures yielding samples of pions and kaons with a contamination 12% are discussed. A study of the resolution of the EPI in these experimental conditions shows average values in a range of 7.6% to 11% depending on the number of ionization samples remaining after removal of background. These values extrapolate to a value consistent with the 6.6% fwhm measured over the whole device for single particles during calibration with a 50 GeV/c π^- beam. | ||
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| 700 | 1 | |a Baruzzi, V. |4 oth | |
| 700 | 1 | |a Carosio, R. |4 oth | |
| 700 | 1 | |a Crijns, F. |4 oth | |
| 700 | 1 | |a Gerdyukov, L. |4 oth | |
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| 700 | 1 | |a Grant, A. |4 oth | |
| 700 | 1 | |a Johnson, D. |4 oth | |
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| 700 | 1 | |a Lehraus, I. |4 oth | |
| 700 | 1 | |a Matthewson, R. |4 oth | |
| 700 | 1 | |a Milstene, C. |4 oth | |
| 700 | 1 | |a Nikolaenko, V. |4 oth | |
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| 700 | 1 | |a Petrovikh, Y. |4 oth | |
| 700 | 1 | |a Ross, R.T. |4 oth | |
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| 700 | 1 | |a Tejessy, W. |4 oth | |
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| 700 | 1 | |a Vassiliadis, G. |4 oth | |
| 700 | 1 | |a Wright, P.R.S. |4 oth | |
| 700 | 1 | |a Zoll, J. |4 oth | |
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(DE-627)NLEJ180607170 (DE-599)GBVNLZ180607170 DE-627 ger DE-627 rakwb eng Use of a large multicell ionization detector - The external particle identifier - In experiments with the BEBC hydrogen bubble chamber 1983 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Fast secondary particles from interactions of K^+ at 70 GeV/c and K^- at 110 GeV/c in the BEBC hydrogen bubble chamber are identified by use of the relativistic rise of ionization in argon. The ionization is measured in a large multicell ionization counter system, the External Particle Identifier (EPI). The operation of this hybrid system, the calibration and the procedures of off-line analysis leading to particle identification are described. For a sample of 9283 secondary particles collected in the K^+ p experiment, we present the measurements of ionization, and the determination of acceptance and identification efficiencies. The momentum-dependent populations of pions, kaons and protons have been obtained. Track by track identification procedures yielding samples of pions and kaons with a contamination 12% are discussed. A study of the resolution of the EPI in these experimental conditions shows average values in a range of 7.6% to 11% depending on the number of ionization samples remaining after removal of background. These values extrapolate to a value consistent with the 6.6% fwhm measured over the whole device for single particles during calibration with a 50 GeV/c π^- beam. Elsevier Journal Backfiles on ScienceDirect 1907 - 2002 Baruzzi, V. oth Carosio, R. oth Crijns, F. oth Gerdyukov, L. oth Goldschmidt-Clermont, Y. oth Grant, A. oth Johnson, D. oth Kroner, F. oth Lehraus, I. oth Matthewson, R. oth Milstene, C. oth Nikolaenko, V. oth Oren, Y. oth Petrovikh, Y. oth Ross, R.T. oth Sixel, P. oth Spyropoulou-Stassinaki, M. oth Stergiou, A. oth Tejessy, W. oth Theocharopoulos, P. oth Vassiliadis, G. oth Wright, P.R.S. oth Zoll, J. oth in Nuclear Instruments and Methods In Physics Research Amsterdam : Elsevier 207(1983), 3, Seite 339-356 (DE-627)NLEJ180600451 (DE-600)1466532-3 0167-5087 nnns volume:207 year:1983 number:3 pages:339-356 http://linkinghub.elsevier.com/retrieve/pii/0167-5087(83)90645-2 GBV_USEFLAG_H ZDB-1-SDJ GBV_NL_ARTICLE AR 207 1983 3 339-356 |
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(DE-627)NLEJ180607170 (DE-599)GBVNLZ180607170 DE-627 ger DE-627 rakwb eng Use of a large multicell ionization detector - The external particle identifier - In experiments with the BEBC hydrogen bubble chamber 1983 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Fast secondary particles from interactions of K^+ at 70 GeV/c and K^- at 110 GeV/c in the BEBC hydrogen bubble chamber are identified by use of the relativistic rise of ionization in argon. The ionization is measured in a large multicell ionization counter system, the External Particle Identifier (EPI). The operation of this hybrid system, the calibration and the procedures of off-line analysis leading to particle identification are described. For a sample of 9283 secondary particles collected in the K^+ p experiment, we present the measurements of ionization, and the determination of acceptance and identification efficiencies. The momentum-dependent populations of pions, kaons and protons have been obtained. Track by track identification procedures yielding samples of pions and kaons with a contamination 12% are discussed. A study of the resolution of the EPI in these experimental conditions shows average values in a range of 7.6% to 11% depending on the number of ionization samples remaining after removal of background. These values extrapolate to a value consistent with the 6.6% fwhm measured over the whole device for single particles during calibration with a 50 GeV/c π^- beam. Elsevier Journal Backfiles on ScienceDirect 1907 - 2002 Baruzzi, V. oth Carosio, R. oth Crijns, F. oth Gerdyukov, L. oth Goldschmidt-Clermont, Y. oth Grant, A. oth Johnson, D. oth Kroner, F. oth Lehraus, I. oth Matthewson, R. oth Milstene, C. oth Nikolaenko, V. oth Oren, Y. oth Petrovikh, Y. oth Ross, R.T. oth Sixel, P. oth Spyropoulou-Stassinaki, M. oth Stergiou, A. oth Tejessy, W. oth Theocharopoulos, P. oth Vassiliadis, G. oth Wright, P.R.S. oth Zoll, J. oth in Nuclear Instruments and Methods In Physics Research Amsterdam : Elsevier 207(1983), 3, Seite 339-356 (DE-627)NLEJ180600451 (DE-600)1466532-3 0167-5087 nnns volume:207 year:1983 number:3 pages:339-356 http://linkinghub.elsevier.com/retrieve/pii/0167-5087(83)90645-2 GBV_USEFLAG_H ZDB-1-SDJ GBV_NL_ARTICLE AR 207 1983 3 339-356 |
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(DE-627)NLEJ180607170 (DE-599)GBVNLZ180607170 DE-627 ger DE-627 rakwb eng Use of a large multicell ionization detector - The external particle identifier - In experiments with the BEBC hydrogen bubble chamber 1983 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Fast secondary particles from interactions of K^+ at 70 GeV/c and K^- at 110 GeV/c in the BEBC hydrogen bubble chamber are identified by use of the relativistic rise of ionization in argon. The ionization is measured in a large multicell ionization counter system, the External Particle Identifier (EPI). The operation of this hybrid system, the calibration and the procedures of off-line analysis leading to particle identification are described. For a sample of 9283 secondary particles collected in the K^+ p experiment, we present the measurements of ionization, and the determination of acceptance and identification efficiencies. The momentum-dependent populations of pions, kaons and protons have been obtained. Track by track identification procedures yielding samples of pions and kaons with a contamination 12% are discussed. A study of the resolution of the EPI in these experimental conditions shows average values in a range of 7.6% to 11% depending on the number of ionization samples remaining after removal of background. These values extrapolate to a value consistent with the 6.6% fwhm measured over the whole device for single particles during calibration with a 50 GeV/c π^- beam. Elsevier Journal Backfiles on ScienceDirect 1907 - 2002 Baruzzi, V. oth Carosio, R. oth Crijns, F. oth Gerdyukov, L. oth Goldschmidt-Clermont, Y. oth Grant, A. oth Johnson, D. oth Kroner, F. oth Lehraus, I. oth Matthewson, R. oth Milstene, C. oth Nikolaenko, V. oth Oren, Y. oth Petrovikh, Y. oth Ross, R.T. oth Sixel, P. oth Spyropoulou-Stassinaki, M. oth Stergiou, A. oth Tejessy, W. oth Theocharopoulos, P. oth Vassiliadis, G. oth Wright, P.R.S. oth Zoll, J. oth in Nuclear Instruments and Methods In Physics Research Amsterdam : Elsevier 207(1983), 3, Seite 339-356 (DE-627)NLEJ180600451 (DE-600)1466532-3 0167-5087 nnns volume:207 year:1983 number:3 pages:339-356 http://linkinghub.elsevier.com/retrieve/pii/0167-5087(83)90645-2 GBV_USEFLAG_H ZDB-1-SDJ GBV_NL_ARTICLE AR 207 1983 3 339-356 |
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(DE-627)NLEJ180607170 (DE-599)GBVNLZ180607170 DE-627 ger DE-627 rakwb eng Use of a large multicell ionization detector - The external particle identifier - In experiments with the BEBC hydrogen bubble chamber 1983 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Fast secondary particles from interactions of K^+ at 70 GeV/c and K^- at 110 GeV/c in the BEBC hydrogen bubble chamber are identified by use of the relativistic rise of ionization in argon. The ionization is measured in a large multicell ionization counter system, the External Particle Identifier (EPI). The operation of this hybrid system, the calibration and the procedures of off-line analysis leading to particle identification are described. For a sample of 9283 secondary particles collected in the K^+ p experiment, we present the measurements of ionization, and the determination of acceptance and identification efficiencies. The momentum-dependent populations of pions, kaons and protons have been obtained. Track by track identification procedures yielding samples of pions and kaons with a contamination 12% are discussed. A study of the resolution of the EPI in these experimental conditions shows average values in a range of 7.6% to 11% depending on the number of ionization samples remaining after removal of background. These values extrapolate to a value consistent with the 6.6% fwhm measured over the whole device for single particles during calibration with a 50 GeV/c π^- beam. Elsevier Journal Backfiles on ScienceDirect 1907 - 2002 Baruzzi, V. oth Carosio, R. oth Crijns, F. oth Gerdyukov, L. oth Goldschmidt-Clermont, Y. oth Grant, A. oth Johnson, D. oth Kroner, F. oth Lehraus, I. oth Matthewson, R. oth Milstene, C. oth Nikolaenko, V. oth Oren, Y. oth Petrovikh, Y. oth Ross, R.T. oth Sixel, P. oth Spyropoulou-Stassinaki, M. oth Stergiou, A. oth Tejessy, W. oth Theocharopoulos, P. oth Vassiliadis, G. oth Wright, P.R.S. oth Zoll, J. oth in Nuclear Instruments and Methods In Physics Research Amsterdam : Elsevier 207(1983), 3, Seite 339-356 (DE-627)NLEJ180600451 (DE-600)1466532-3 0167-5087 nnns volume:207 year:1983 number:3 pages:339-356 http://linkinghub.elsevier.com/retrieve/pii/0167-5087(83)90645-2 GBV_USEFLAG_H ZDB-1-SDJ GBV_NL_ARTICLE AR 207 1983 3 339-356 |
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(DE-627)NLEJ180607170 (DE-599)GBVNLZ180607170 DE-627 ger DE-627 rakwb eng Use of a large multicell ionization detector - The external particle identifier - In experiments with the BEBC hydrogen bubble chamber 1983 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Fast secondary particles from interactions of K^+ at 70 GeV/c and K^- at 110 GeV/c in the BEBC hydrogen bubble chamber are identified by use of the relativistic rise of ionization in argon. The ionization is measured in a large multicell ionization counter system, the External Particle Identifier (EPI). The operation of this hybrid system, the calibration and the procedures of off-line analysis leading to particle identification are described. For a sample of 9283 secondary particles collected in the K^+ p experiment, we present the measurements of ionization, and the determination of acceptance and identification efficiencies. The momentum-dependent populations of pions, kaons and protons have been obtained. Track by track identification procedures yielding samples of pions and kaons with a contamination 12% are discussed. A study of the resolution of the EPI in these experimental conditions shows average values in a range of 7.6% to 11% depending on the number of ionization samples remaining after removal of background. These values extrapolate to a value consistent with the 6.6% fwhm measured over the whole device for single particles during calibration with a 50 GeV/c π^- beam. Elsevier Journal Backfiles on ScienceDirect 1907 - 2002 Baruzzi, V. oth Carosio, R. oth Crijns, F. oth Gerdyukov, L. oth Goldschmidt-Clermont, Y. oth Grant, A. oth Johnson, D. oth Kroner, F. oth Lehraus, I. oth Matthewson, R. oth Milstene, C. oth Nikolaenko, V. oth Oren, Y. oth Petrovikh, Y. oth Ross, R.T. oth Sixel, P. oth Spyropoulou-Stassinaki, M. oth Stergiou, A. oth Tejessy, W. oth Theocharopoulos, P. oth Vassiliadis, G. oth Wright, P.R.S. oth Zoll, J. oth in Nuclear Instruments and Methods In Physics Research Amsterdam : Elsevier 207(1983), 3, Seite 339-356 (DE-627)NLEJ180600451 (DE-600)1466532-3 0167-5087 nnns volume:207 year:1983 number:3 pages:339-356 http://linkinghub.elsevier.com/retrieve/pii/0167-5087(83)90645-2 GBV_USEFLAG_H ZDB-1-SDJ GBV_NL_ARTICLE AR 207 1983 3 339-356 |
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Baruzzi, V. @@oth@@ Carosio, R. @@oth@@ Crijns, F. @@oth@@ Gerdyukov, L. @@oth@@ Goldschmidt-Clermont, Y. @@oth@@ Grant, A. @@oth@@ Johnson, D. @@oth@@ Kroner, F. @@oth@@ Lehraus, I. @@oth@@ Matthewson, R. @@oth@@ Milstene, C. @@oth@@ Nikolaenko, V. @@oth@@ Oren, Y. @@oth@@ Petrovikh, Y. @@oth@@ Ross, R.T. @@oth@@ Sixel, P. @@oth@@ Spyropoulou-Stassinaki, M. @@oth@@ Stergiou, A. @@oth@@ Tejessy, W. @@oth@@ Theocharopoulos, P. @@oth@@ Vassiliadis, G. @@oth@@ Wright, P.R.S. @@oth@@ Zoll, J. @@oth@@ |
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Use of a large multicell ionization detector - The external particle identifier - In experiments with the BEBC hydrogen bubble chamber |
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Use of a large multicell ionization detector - The external particle identifier - In experiments with the BEBC hydrogen bubble chamber |
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Use of a large multicell ionization detector - The external particle identifier - In experiments with the BEBC hydrogen bubble chamber |
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Nuclear Instruments and Methods In Physics Research |
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use of a large multicell ionization detector - the external particle identifier - in experiments with the bebc hydrogen bubble chamber |
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Use of a large multicell ionization detector - The external particle identifier - In experiments with the BEBC hydrogen bubble chamber |
| abstract |
Fast secondary particles from interactions of K^+ at 70 GeV/c and K^- at 110 GeV/c in the BEBC hydrogen bubble chamber are identified by use of the relativistic rise of ionization in argon. The ionization is measured in a large multicell ionization counter system, the External Particle Identifier (EPI). The operation of this hybrid system, the calibration and the procedures of off-line analysis leading to particle identification are described. For a sample of 9283 secondary particles collected in the K^+ p experiment, we present the measurements of ionization, and the determination of acceptance and identification efficiencies. The momentum-dependent populations of pions, kaons and protons have been obtained. Track by track identification procedures yielding samples of pions and kaons with a contamination 12% are discussed. A study of the resolution of the EPI in these experimental conditions shows average values in a range of 7.6% to 11% depending on the number of ionization samples remaining after removal of background. These values extrapolate to a value consistent with the 6.6% fwhm measured over the whole device for single particles during calibration with a 50 GeV/c π^- beam. |
| abstractGer |
Fast secondary particles from interactions of K^+ at 70 GeV/c and K^- at 110 GeV/c in the BEBC hydrogen bubble chamber are identified by use of the relativistic rise of ionization in argon. The ionization is measured in a large multicell ionization counter system, the External Particle Identifier (EPI). The operation of this hybrid system, the calibration and the procedures of off-line analysis leading to particle identification are described. For a sample of 9283 secondary particles collected in the K^+ p experiment, we present the measurements of ionization, and the determination of acceptance and identification efficiencies. The momentum-dependent populations of pions, kaons and protons have been obtained. Track by track identification procedures yielding samples of pions and kaons with a contamination 12% are discussed. A study of the resolution of the EPI in these experimental conditions shows average values in a range of 7.6% to 11% depending on the number of ionization samples remaining after removal of background. These values extrapolate to a value consistent with the 6.6% fwhm measured over the whole device for single particles during calibration with a 50 GeV/c π^- beam. |
| abstract_unstemmed |
Fast secondary particles from interactions of K^+ at 70 GeV/c and K^- at 110 GeV/c in the BEBC hydrogen bubble chamber are identified by use of the relativistic rise of ionization in argon. The ionization is measured in a large multicell ionization counter system, the External Particle Identifier (EPI). The operation of this hybrid system, the calibration and the procedures of off-line analysis leading to particle identification are described. For a sample of 9283 secondary particles collected in the K^+ p experiment, we present the measurements of ionization, and the determination of acceptance and identification efficiencies. The momentum-dependent populations of pions, kaons and protons have been obtained. Track by track identification procedures yielding samples of pions and kaons with a contamination 12% are discussed. A study of the resolution of the EPI in these experimental conditions shows average values in a range of 7.6% to 11% depending on the number of ionization samples remaining after removal of background. These values extrapolate to a value consistent with the 6.6% fwhm measured over the whole device for single particles during calibration with a 50 GeV/c π^- beam. |
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Use of a large multicell ionization detector - The external particle identifier - In experiments with the BEBC hydrogen bubble chamber |
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Baruzzi, V. Carosio, R. Crijns, F. Gerdyukov, L. Goldschmidt-Clermont, Y. Grant, A. Johnson, D. Kroner, F. Lehraus, I. Matthewson, R. Milstene, C. Nikolaenko, V. Oren, Y. Petrovikh, Y. Ross, R.T. Sixel, P. Spyropoulou-Stassinaki, M. Stergiou, A. Tejessy, W. Theocharopoulos, P. Vassiliadis, G. Wright, P.R.S. Zoll, J. |
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Baruzzi, V. Carosio, R. Crijns, F. Gerdyukov, L. Goldschmidt-Clermont, Y. Grant, A. Johnson, D. Kroner, F. Lehraus, I. Matthewson, R. Milstene, C. Nikolaenko, V. Oren, Y. Petrovikh, Y. Ross, R.T. Sixel, P. Spyropoulou-Stassinaki, M. Stergiou, A. Tejessy, W. Theocharopoulos, P. Vassiliadis, G. Wright, P.R.S. Zoll, J. |
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