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CsI electromagnetic calorimeter development for a low or medium energy e{sup +}e{sup {minus}} collider

Conference ·
OSTI ID:10105294
Design considerations for an electromagnetic Csl calorimeter suitable for use at low and medium energy, high-luminosity e{sup +}e{sup {minus}} storage rings are presented, together with results of a test of an array of Csl(Tl) crystals in an e{sup {minus}}/{pi}{sup {minus}} beam (120 to 400 MeV) at TRIUMF. The crystal array used in the test was designed to explore longitudinal and transverse crystal segmentation, and a redundant wavelength-shifter and photodiode readout system. Energy resolution of (1.69 {plus_minus} 0.08)%/{radical}E and (1.83 {plus_minus} 0.05)%/{radical}E was obtained for two different crystal tower configurations. Position resolution of 6.5 (9.0) mm was obtained at 300 (120)MeV for four 4{times}4 cm{sup 2}, 4 rl. Csl crystals.
Research Organization:
Stanford Linear Accelerator Center, Menlo Park, CA (United States)
Sponsoring Organization:
USDOE, Washington, DC (United States)
DOE Contract Number:
AC03-76SF00515
OSTI ID:
10105294
Report Number(s):
SLAC-PUB--6376; CONF-9306276--1; ON: DE94003448
Country of Publication:
United States
Language:
English