A transition radiation detector for RHIC featuring accurate tracking and dE/dx particle identification

Conference · Mon Dec 30 23:00:00 EST 1991

OSTI ID:139499

O`Brien, E; Lissauer, D; McCorkle, S; Polychronakos, V; Takai, H ^[1]; Chi, C Y; Nagamiya, S; Sippach, W; Toy, M; Wang, D; Wang, Y F; Wiggins, C; Willis, W ^[2]; Cherniatin, V; Dolgoshein, B ^[3]; Bennett, M; Chikanian, A; Kumar, S; Mitchell, J T; Pope, K ^[4]

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1. Brookhaven National Lab., Upton, NY (United States)
2. Columbia Univ., New York, NY (United States)
3. Moscow Institute of Physics and Engineering, (Russian Federation)
4. Yale Univ., New Haven, CT (United States)

We describe the results of a test ran involving a Transition Radiation Detector that can both distinguish electrons from pions which momenta greater titan 0.7 GeV/c and simultaneously track particles passing through the detector. The particle identification is accomplished through a combination of the detection of Transition Radiation from the electron and the differences in electron and pion energy loss (dE/dx) in the detector. The dE/dx particle separation is most, efficient below 2 GeV/c while particle ID utilizing Transition Radiation effective above 1.5 GeV/c. Combined, the electron-pion separation is-better than 5 {times} 10{sup 2}. The single-wire, track-position resolution for the TRD is {approximately}230 {mu}m.

• Research Organization: Brookhaven National Lab., Upton, NY (United States)
• OSTI ID: 139499
• Report Number(s): BNL--52321; CONF-9110232--; ON: DE93010855
• Country of Publication: United States
• Language: English

Related Subjects

43 PARTICLE ACCELERATORS
ANALOG SYSTEMS
ELECTRONIC CIRCUITS
ELECTRONIC EQUIPMENT
HEAVY ION ACCELERATORS
MEASURING INSTRUMENTS
MEASURING METHODS
PARTICLE IDENTIFICATION
PREAMPLIFIERS
RADIATION DETECTION
RESEARCH PROGRAMS
TRANSITION RADIATION