DETECTION OF ULTRAVIOLET CERENKOV LIGHT FROM HIGH-ENERGY COSMIC RAY ATMOSPHERIC SHOWERS: A FIELD TEST.

Mariotti, Mose'; B. Bartoli Naples U.,; Peruzzo, Luigi; Sartori, Giorgio; Bedeschi, F.; Bertolucci, E.; Menzione, A.; Ristori, L.; Scribano, A.; Stefanini, A.; F. Zetti Pisa U. Siena U.,; Budinich, M.; F. Liello Trieste U.,

doi:10.1016/0168-9002(91)90369-2

We present the results of a test with a prototype apparatus aimed to detect the ultraviolet Cherenkov light in the wavelength range 2000-2300 Å, emitted by high energy cosmic ray showers. The system consists of a gas proportional chamber, with TMAE vapour as the photosensitive element, placed on the focal plane of a 1.5 m diameter parabolic mirror. The test was done during the summer of 1989 with cosmic ray showers seen in coincidence with the EAS-TOP experiment, an extended atmospheric shower charged particle array now being exploited at Campo Imperatore, 1900 m above sea level, on top of the Gran Sasso underground Laboratory of INFN. The results were positive and show that a full scale ultraviolet Cherenkov experiment with good sensitivity, angular resolution and virtually no background from moonlight or even daylight can be envisaged.

Titolo:	DETECTION OF ULTRAVIOLET CERENKOV LIGHT FROM HIGH-ENERGY COSMIC RAY ATMOSPHERIC SHOWERS: A FIELD TEST.
Autori:	MARIOTTI, MOSE' B. BARTOLI NAPLES U. PERUZZO, LUIGI SARTORI, GIORGIO F. BEDESCHI E. BERTOLUCCI A. MENZIONE L. RISTORI A. SCRIBANO A. STEFANINI F. ZETTI PISA U. SIENA U. M. BUDINICH F. LIELLO TRIESTE U. mostra contributor esterni nascondi contributor esterni
Data di pubblicazione:	1991
Rivista:	NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH. SECTION A, ACCELERATORS, SPECTROMETERS, DETECTORS AND ASSOCIATED EQUIPMENT
Abstract:	We present the results of a test with a prototype apparatus aimed to detect the ultraviolet Cherenkov light in the wavelength range 2000-2300 Å, emitted by high energy cosmic ray showers. The system consists of a gas proportional chamber, with TMAE vapour as the photosensitive element, placed on the focal plane of a 1.5 m diameter parabolic mirror. The test was done during the summer of 1989 with cosmic ray showers seen in coincidence with the EAS-TOP experiment, an extended atmospheric shower charged particle array now being exploited at Campo Imperatore, 1900 m above sea level, on top of the Gran Sasso underground Laboratory of INFN. The results were positive and show that a full scale ultraviolet Cherenkov experiment with good sensitivity, angular resolution and virtually no background from moonlight or even daylight can be envisaged.
Handle:	http://hdl.handle.net/11577/122040
Appare nelle tipologie:	01.01 - Articolo in rivista

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