The ring imaging Cherenkov detector of DELPHI

Adam, W.; Anassontzis, E.G.; Albrecht, E.; Ambec, I.; Apeldoorn, G. Van; Arnoud, Y.; Aubret, C.; Augustinus, A.; Baillon, P.; Barnoux, C.; Battaglia, M.; Berggren, Magnus; Blöch, D.; Botner, O.; Bourdarios, C.; Brümmer, N.; Brunet, J. M.; Budziak, A.; Buys, A.; Caloba, L. P.; Carecchio, P.; Carrié, P.; Cavalli, P.; Cereseto, R.; Cerutti, G.; Chevry, M.; Christophel, E.; Dahl‐Jensen, E.; Dalmagne, B.; Dam, P. Van; Damgaard, G.; Davenport, M.; Dolbeau, J.; Dracos, M.; Dris, M.; Koning, N. de; Vega, Alfredo; Dimitriou, Nikos; Eek, L. O.; Ekelöf, T.; Erikson, Josefina; Engel, J. P.; Evers, Guus; Fassouliotis, D.; Filippas, T. A.; Florek, Andrzej; Florek, B.; Fokitis, E.; Fontanelli, F.; Fontenille, A.; Fraissard, D.; Gałuszka, K.; Garcia, J. M. Vizan; Gaumann, E.; Gazis, E. N.; Goret, B.; Gracco, V.; Guglielmi, L.; Hahn, F.; Haider, S.; Hallgren, A.; Hao, W.; Henkes, T.; Honoré, P. F.; Huet, Kathy; Ioannou, P.; Johansson, H.; Juillot, P.; Kalkanis, G.; Karvelas, E.; Katsanevas, S.; Katsoufis, E.; Kindblom, P.; Kjaer, N. J.; Klempt, W.; Kluit, P.; Koene, B.; Kokkinias, P.; Kourkoumelis, C.; Lambropoulos, C.; Langerveld, D.; Lecoeur, G.; Lenzen, G.; Lindqvist, Lars; Agúera, A. López; Loukas, D.; Maltezos, A.; Maltezos, S.; Μάρκου, Α.; Mattsson, Lars; Medbo, J.; Michałowski, J.; Montano, F.; Mourgue, G.; Nielsen, B. S.; Nicolaidou, R.; Noppe, J.M.; Ostler, J.; Pakonski, K.; Papadopoulou, Th. D.; Poutot, D.; Petrolini, A.; Polok, G.; Resvanis, L. K.; Rosso, E.; Sajot, G.; Schaeffer, M.; Sannino, M.; Saragas, E.; Schyns, E.; Squarcia, S.; Stavropoulos, G.; Stodulski, M.; Stopa, Z.; Strub, R.; Thadome, J.; Theodosiou, G.; Toet, D. Z.; Traspedini, L.; Tristram, G.; Tsirou, A.; Turała, M.; Tzamarias, S.; Ullaland, O.; Vergezac, P.; Voulgaris, G.; Wärm, A.; Werner, John S.; Zavrtanik, M.; Zevgolatakos, E.

doi:10.1016/0168-9002(94)90535-5

Cited by 56 publications

(6 citation statements)

References 20 publications

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“…See Section 4.1 for a description of the trigger. 8 There is also an uncertainty in the index of MgF 2 but it is expected to be smaller. larger than the temperature coefficient for the index of refraction of 5 Â 10 À4 1C À1 : The systematic error can be estimated by comparing the results of transmission measurements between the different PMT tubes and the different amplifiers.…”

Section: Accuracy and Precisionmentioning

confidence: 99%

“…The mean transmission value of the liquid being above 100% can be attributed to an incorrect value for k: In order to produce a transmission value of 100% in the spectral range 190ol ðnmÞo225; the value of k must be decreased by B0:0044: If this is solely attributable to an error in the value of the index of refraction of perfluorohexane, 8 7 Data for these plots were acquired by triggering on a specific single blade to reduce the variation in reflectivity as much as possible. See Section 4.1 for a description of the trigger.…”

Section: Accuracy and Precisionmentioning

confidence: 99%

“…It is available in many grades and purities, but in no case is care taken to isolate it from either water or oxygen, both common substances which strongly absorb UV radiation. In consideration of cost and past experience from other RICH detectors [8], a solvent grade of this liquid, PF5060-DL, from 3M Chemicals [9] was chosen. …”

Section: Liquid Radiatormentioning

confidence: 99%

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Cleaning and recirculation of perfluorohexane (C6F14) in the STAR-RICH detector

Andres

Braem

Cozza

et al. 2002

Nuclear Instruments and Methods in Physics Research Section A:

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A RICH detector with a CsI photo-cathode and liquid perfluorohexane radiator has been installed in the STAR experiment at RHIC. The liquid is continuously cleaned and distributed to a quartz containment vessel within the detector by a closed recirculation system. A VUV spectrometer is connected to the system which monitors the optical transparency of the liquid. This measurement provides one of the pieces of information necessary to model the number of Cherenkov photons which reach the pad plane. A description of the liquid recirculation system and the cleaning procedure for the liquid as well as the spectrometer is presented along with results of their performance. r

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Section: Accuracy and Precisionmentioning

confidence: 99%

Section: Accuracy and Precisionmentioning

confidence: 99%

See 1 more Smart Citation

Cleaning and recirculation of perfluorohexane (C6F14) in the STAR-RICH detector

Andres

Braem

Cozza

et al. 2002

Nuclear Instruments and Methods in Physics Research Section A:

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“…This concept was as elegant as it was revolutionary at the time. It led however to a more realistic, yet still very ambitious incarnation at the LEP experiment DELPHI, the Ring Imaging Cherenkov, RICH [52]. The isotropic sphere was replaced by a more conventional geometry, a cylinder (Barrel) and two end caps (EC), which could be integrated in an otherwise classical spectrometer.…”

Section: Paul Baillonmentioning

confidence: 99%

The Large Electron Positron Collider (LEP): Probing the Standard Model

Taylor¹,

Treille²

2017

Advanced Series on Directions in High Energy Physics

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“…I t i s k ept at a temperature of 40 C and a pressure of 1033 mbar. The full solid angle coverage is provided by t w o independent detectors, one in the endcap regions (Forward RICH), and one which c o v ers polar angles between 40 and 140 (Barrel RICH) [46]. Peruorocarbons were chosen as radiator media, both in the Forward (liquid C 6 F 14 , gas C 4 F 10 ) and in the Barrel (liquid C 6 F 14 , gas C 5 F 12 ).…”

Section: Ring Imaging Cherenkov Detectorsmentioning

confidence: 99%