Development of a High Solid-Angle Silicon Detector Array for Measurement of Transfer Reactions in Inverse Kinematics

Conference · Mon Jan 01 00:00:00 EST 2007

OSTI ID:931883

Pain, S D ^[1]; Cizewski, J A ^[1]; Hatarik, Robert ^[1]; Jones, K L ^[2]; Thomas, J S ^[1]; Bardayan, Daniel W ^[3]; Blackmon, Jeff C ^[3]; Nesaraja, Caroline D ^[3]; Smith, Michael Scott ^[3]; Kozub, R L ^[4]; Johnson, Micah ^[3]

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1. Rutgers University
2. University of Tennessee, Knoxville (UTK)
3. ORNL
4. Tennessee Technological University

The development of high quality radioactive beams, such as those at the HRIBF at Oak Ridge National Laboratory, has made possible the measurement of transfer reactions in inverse kinematics on unstable nuclei. Measurement of (d,p) reactions on neutron-rich nuclei yield data on the evolution of nuclear structure away from stability, and are of astrophysical interest due to the proximity of suggested nuclear burning paths in the astrophysical r-process in supernovae. Experimentally, (d,p) reactions on heavy (Z = 50) fission fragments are complicated by the strongly inverse kinematics, and the relatively low beam intensities. Consequently, ejectile detection with high resolution in position and energy, a high dynamic range and a high solid angular coverage is required. The Oak Ridge Rutgers University Barrel Array (ORRUBA) is a new silicon detector array currently under construction, optimized for the measurement of (d,p) reactions in inverse kinematics. It consists of two rings of silicon detectors, providing a high solid angular coverage for angles symmetrically forward and backward of 90 degrees. Resistive strip detectors are used to obtain high precision position and energy measurement of reaction ejectiles.

• Research Organization: Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Holifield Radioactive Ion Beam Facility (HRIBF)
• Sponsoring Organization: USDOE Office of Science (SC)
• DOE Contract Number: DE-AC05-00OR22725
• OSTI ID: 931883
• Resource Relation: Conference: Nineteenth International Conference on The Application of Accelerators in Research and Industry, Fort Worth, TX, USA, 20060820, 20060820
• Country of Publication: United States
• Language: English

Related Subjects

73 NUCLEAR PHYSICS AND RADIATION PHYSICS
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
FISSION FRAGMENTS
NUCLEAR STRUCTURE
R PROCESS
SILICON
TRANSFER REACTIONS