Studies of MCP properties
Studies of MCP properties
复制标题
MCP 特性的研究
DOI：
--
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发表时间：
2009
期刊：
影响因子：
--
通讯作者：
F Uhlig
中科院分区：
文献类型：
--
作者：
A Lehmann;A Britting;W Eyrich;F Uhlig
DIRC类型的切伦科夫探测器将用于广交会熊猫实验的颗粒识别。微通道板(MCP)光电倍增管(PMT)由于其在磁场中的优越特性，对这两种熊猫DIRC是非常有吸引力的光子传感器。对不同类型的MCP-PMT进行了研究。它们的增益和时间分辨率被测量为磁场大小和方向的函数。研究发现，在孔径为⩽10μm的情况下，如果场方向接近平行于光电倍增管的轴线，即使在2特斯拉的情况下也可以实现有效的单光子探测。所研究的大多数MCP-PMT的增益保持稳定，直到大约1 MHz/cm2的光子密度，而新的Hamamatsu R10754-00-L4在增益开始下降之前可以承受大约10 MHz/cm2的速率。所有MCP-PMTS的时间分辨率均优于50ps(σ)。扫描作为光电阴极平面位置函数的多阳极MCP-PMT的响应，特别是测量相邻像素之间的串扰。大多数传感器都表现出了令人满意的行为。
Cherenkov detectors of the DIRC type will be used for the particle identification of the PANDA experiment at FAIR. Because of their advantageous properties inside a magnetic field micro-channel plate (MCP) photomultipliers (PMT) are very attractive photon sensors for the two PANDA DIRCs. Various types of MCP-PMTs were investigated. Their gains and their time resolutions were measured as a function of the magnitude and the direction of a magnetic field. It was found that with a pore size of ⩽ 10 μm efficient single photon detection is possible even at 2 Tesla if the field direction is close to parallel to the PMT axis. The gain of most of the studied MCP-PMTs remains stable up to a photon density of roughly 1 MHz/cm2, while the new Hamamatsu R10754-00-L4 can stand rates of about 10 MHz/cm2 before the gain starts decreasing. The time resolution of all investigated MCP-PMTs was better than 50 ps (σ). The response of the multi-anode MCP-PMTs was scanned as a function of the position of the photo cathode plane in particular to measure the crosstalk among adjacent pixels. Most of the sensors show a satisfactory behavior.
用于 PANDA@FAIR 的圆盘 DIRC 端盖检测器
DOI：
10.1016/j.nima.2008.07.096
发表时间：
2008
期刊：
Accelerators, Spectrometers, Detectors and Associated Equipment
影响因子：
--
作者：
Schönmeier P
通讯作者：
Schönmeier P
DOI：
10.1016/j.nima.2008.07.083
发表时间：
2008-09-21
影响因子：
1.4
作者：
Lehmann, A.;Britting, A.;Sfienti, C.
通讯作者：
Sfienti, C.