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001-es BibID:	BIBFORM086133
035-os BibID:	(WoS)000476784700007 (Scopus)85069542052
Első szerző:	Bíró Barna
Cím:	A Comparison of the Effects of Neutron and Gamma Radiation in Silicon Photomultipliers / B. Biro, G. David, A. Fenyvesi, J. S. Haggerty, J. Kierstead, E. J. Mannel, T. Majoros, J. Molnar, F. Nagy, S. Stoll, B. Ujvari, C. L. Woody
Dátum:	2019
ISSN:	0018-9499
Megjegyzések:	The effects of radiation damage in silicon photomultipliers (SiPMs) from gamma rays have been measured and compared with the damage produced by neutrons. Several types of multipixel photon counters from Hamamatsu were exposed to gamma rays and neutrons at the Solid State Gamma Ray Irradiation Facility (SSGRIF) at the Brookhaven National Laboratory and the Institute for Nuclear Research (Atomki) in Debrecen, Hungary. The gamma ray exposures ranged from 1 krad to 1 Mrad and the neutron exposures ranged from 10 8 to 10 12 n/cm 2 . The main effect of gamma ray damage is an increase in the noise and leakage current in the irradiated devices, similar to what is seen from neutron damage, but the level of damage is considerably less at comparable high levels of exposure. In addition, the damage from gamma rays saturates after a few hundred krad, while the damage from neutrons shows no sign of saturation, suggestive of different damage mechanisms in the two cases. The change in optical absorption in the window material of the SiPMs due to radiation was also measured. This paper was carried out in order to evaluate the use of SiPMs for particle physics applications with moderate levels of radiation exposures.
Tárgyszavak:	Természettudományok Fizikai tudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk
Megjelenés:	IEEE Transactions On Nuclear Science. - 66 : 7 (2019), p. 1833-1839. -
További szerzők:	Dávid Gábor (fizikus) Fenyvesi András Haggerty, J. S. Kierstead, J. Mannel, Eric J. Majoros Tamás (1991-) (mérnök, informatikus) Molnár József Nagy Ferenc (1984-) (fizikus) Stoll, S. Ujvári Balázs (1977-) (fizikus) Woody, C. L.
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