Systematic studies of micro-channel plate PMTs

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• 作者：A. Lehmann^a ; ^{Albert.Lehmann@physik.uni-erlangen.de"" rel=""nofollow} ; A. Britting^a ; E. Cowie^b ; V.Kh. Dodokhof^c ; M. Dü ; ren^d ; D. Dutta^e ; W. Eyrich^a ; K. Fö ; hl^d ; D.I. Glazier^f ; A. Hayrapetyan^d ; M. Hoek^b ; R. Hohler^e ; R. Kaiser^b ; T. Keri^b ; P. Koch^d ; B. Krö ; ck^d ; D. Lehmann^e ; J. Marton^g ; O. Merle^d ; R. Montgomery^b ; K. Peters^e ; S. Reinicke^a ; G. Rosner^b ; B. Roy^e ; G. Schepers^e ; L. Schmitt^e ; C. Schwarz^e ; J. Schwiening^e ; B. Seitz^b ; C. Sfientie^e ; ¹ ; K. Suzuki^g ; F. Uhlig^a ; A.S. Vodopianov^c ; D.P. Watts^f ; W. Yu^d
• 关键词：PANDA experiment ; Photo detectors ; MCP-PMT ; Magnetic field ; Single photon ; Gain ; Time resolution ; Crosstalk ; Lifetime
• 刊名：Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
• 出版年：2011
• 出版时间：21 May 2011
• 年：2011
• 卷：639
• 期：1
• 页码：144-147
• 全文大小：543 K

文摘

DIRC Cherenkov detectors will be the main devices for π/K separation at the PANDA experiment at FAIR. Due to their advantageous properties in terms of time resolution and especially inside magnetic fields micro-channel plate photo multipliers (MCP-PMTs) are very attractive sensor candidates. In this paper we present the investigation of several types of multi-anode MCP-PMTs. The darkcount rate, the behavior inside a magnetic field of up to 2 T, the time resolution, the gain homogeneity and crosstalk of multi-pixel MCP-PMTs were found to be well suitable for the PANDA requirements. Even the rate capability of the latest models from Burle-Photonis and Hamamatsu is satisfactory. Although a big step forward was accomplished with these recently available MCP-PMTs, the lifetime is still not sufficient for the photon densities expected for the PANDA DIRCs.