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Performances of the aerogel threshold Cherenkov counter for the Jefferson Lab Hall A spectrometers in the 1-4 GeV/c momentum range
The silica aerogel threshold Cherenkov counter for the Jefferson Lab Hall A spectrometer was tested at CERN with a mixed beam of positrons, pions, and protons in the 1-4 GeV/c momentum range. Aerogel from Airglass, Sweden, with a refractive index of 1.025 was used. For this momentum range and refrac...
| Autores principales: | , , , , , , , , , , , , , , , , , , |
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| Lenguaje: | eng |
| Publicado: |
2001
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1016/S0168-9002(00)00784-1 http://cds.cern.ch/record/503753 |
| _version_ | 1780897303722196992 |
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| author | Perrino, R Lagamba, L Cisbani, E Colilli, S Crateri, R De Leo, R Frullani, S Garibaldi, F Giuliani, F Gricia, M Iodice, M Iommi, R Leone, A Lucentini, M Mostarda, A Nappi, E Pierangeli, L Santavenere, F Urciuoli, G M |
| author_facet | Perrino, R Lagamba, L Cisbani, E Colilli, S Crateri, R De Leo, R Frullani, S Garibaldi, F Giuliani, F Gricia, M Iodice, M Iommi, R Leone, A Lucentini, M Mostarda, A Nappi, E Pierangeli, L Santavenere, F Urciuoli, G M |
| author_sort | Perrino, R |
| collection | CERN |
| description | The silica aerogel threshold Cherenkov counter for the Jefferson Lab Hall A spectrometer was tested at CERN with a mixed beam of positrons, pions, and protons in the 1-4 GeV/c momentum range. Aerogel from Airglass, Sweden, with a refractive index of 1.025 was used. For this momentum range and refractive index only positrons and pions are above the Cherenkov threshold. Detection efficiencies of 96% for pions and of 98% for positrons were measured. A 5% fake proton detection was also measured, mostly caused by induced delta - rays and accidentals generated by high counting rates. (8 refs). |
| id | cern-503753 |
| institution | Organización Europea para la Investigación Nuclear |
| language | eng |
| publishDate | 2001 |
| record_format | invenio |
| spelling | cern-5037532019-09-30T06:29:59Zdoi:10.1016/S0168-9002(00)00784-1http://cds.cern.ch/record/503753engPerrino, RLagamba, LCisbani, EColilli, SCrateri, RDe Leo, RFrullani, SGaribaldi, FGiuliani, FGricia, MIodice, MIommi, RLeone, ALucentini, MMostarda, ANappi, EPierangeli, LSantavenere, FUrciuoli, G MPerformances of the aerogel threshold Cherenkov counter for the Jefferson Lab Hall A spectrometers in the 1-4 GeV/c momentum rangeDetectors and Experimental TechniquesThe silica aerogel threshold Cherenkov counter for the Jefferson Lab Hall A spectrometer was tested at CERN with a mixed beam of positrons, pions, and protons in the 1-4 GeV/c momentum range. Aerogel from Airglass, Sweden, with a refractive index of 1.025 was used. For this momentum range and refractive index only positrons and pions are above the Cherenkov threshold. Detection efficiencies of 96% for pions and of 98% for positrons were measured. A 5% fake proton detection was also measured, mostly caused by induced delta - rays and accidentals generated by high counting rates. (8 refs).oai:cds.cern.ch:5037532001 |
| spellingShingle | Detectors and Experimental Techniques Perrino, R Lagamba, L Cisbani, E Colilli, S Crateri, R De Leo, R Frullani, S Garibaldi, F Giuliani, F Gricia, M Iodice, M Iommi, R Leone, A Lucentini, M Mostarda, A Nappi, E Pierangeli, L Santavenere, F Urciuoli, G M Performances of the aerogel threshold Cherenkov counter for the Jefferson Lab Hall A spectrometers in the 1-4 GeV/c momentum range |
| title | Performances of the aerogel threshold Cherenkov counter for the Jefferson Lab Hall A spectrometers in the 1-4 GeV/c momentum range |
| title_full | Performances of the aerogel threshold Cherenkov counter for the Jefferson Lab Hall A spectrometers in the 1-4 GeV/c momentum range |
| title_fullStr | Performances of the aerogel threshold Cherenkov counter for the Jefferson Lab Hall A spectrometers in the 1-4 GeV/c momentum range |
| title_full_unstemmed | Performances of the aerogel threshold Cherenkov counter for the Jefferson Lab Hall A spectrometers in the 1-4 GeV/c momentum range |
| title_short | Performances of the aerogel threshold Cherenkov counter for the Jefferson Lab Hall A spectrometers in the 1-4 GeV/c momentum range |
| title_sort | performances of the aerogel threshold cherenkov counter for the jefferson lab hall a spectrometers in the 1-4 gev/c momentum range |
| topic | Detectors and Experimental Techniques |
| url | https://dx.doi.org/10.1016/S0168-9002(00)00784-1 http://cds.cern.ch/record/503753 |
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