SiPM Database

MySQL Database At Jefferson Lab

MySQL Server

• halldweb1.jlab.org
• login: halld
• password: the normal "halld" password as linux boxes, or ask Yi to get it
• port: 3306 (MySQL default)
• database name: halld_sipm

Tables

sipm_spec

The table stores the Hamamatsu specifications for each SiPM array.

List of columns:

• sn: Serial Number
• voltage: Average voltage at 25C (V)
• vol_var: Standard deviation in voltage of individual channels (mV)
• m_var: Variation of gain (%, from Hamamatsu spec sheet)
• dark_rate: Total dark rate (MHz)
• dr_var: Relative standard deviation in dark rate of individual channels (%)
• remark: Remarks