The holifield heavy ion research facility

doi:10.1016/0168-9002(86)90728-X

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

Volume 244, Issues 1–2, 15 February 1986, Pages 7-12

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Abstract

The Holifield Heavy Ion Research Facility has been in routine operation since July 1982. Beams have been provided using both the tandem accelerator alone and a coupled mode in which the Oak Ridge Isochronous Cyclotron is used as an energy booster for tandem beams. The coupled mode has proved to be especially effective and has allowed us to provide a wide range of energetic beams for scheduled experiments. In this report we discuss our operational experience and recent development activities.

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Cited by (10)

Development of the HRIBF 25-MV tandem accelerator as a RIB accelerator
1996, Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
The Holifield facility 25URC tandem accelerator will begin accelerating radioactive ion beams (RIBs) for nuclear structure and astrophysics research in 1996. This paper addresses the development of the accelerator to allow optimum operation with the particular challengesassociated with RIBs. New diagnostics for ultra-low-intensity beams are being installed and the terminal potential stabilization system is being studied to optimize control with these low beam intensities. A new resistor-based voltage-grading system has resulted in more stable operation, as well as allowing operation at the very low terminal potentials which are required for some astrophysics experiments. Also addressed is beam transmission optimization, particularly at low terminal potentials, and operation of the accelerator at high terminal potentials.
The Holyfield heavy ion research facility
1988, Nuclear Inst. and Methods in Physics Research, A
Tests of compressed geometry acceleration tubes in the Oak Ridge 25URC tandem accelerator
1988, Nuclear Inst. and Methods in Physics Research, A
In an effort to improve further the voltage performance of the Oak Ridge 25URC accelerator, the original acceleration tubes will be replaced with NEC compressed geometry acceleration tubes. In this paper, we report on tests in the 25URC accelerator of two prototype compressed geometry acceleration tube designs. One of the designs utilizes a novel aperture which provides enhanced electron and ion trapping.
Evolution and development of the Oak Ridge 25URC tandem accelerator control system
1988, Nuclear Inst. and Methods in Physics Research, A
The histrap proposal: Heavy-ion storage ring for atomic physics
1987, Nuclear Inst. and Methods in Physics Research, B
HISTRAP, Heavy-Ion Storage Ring for Atomic Physics, is a proposed 46.8-m-circumference synchrotron-cooling-storage ring optimized to accelerate, decelerate, and store beams of highly charged very-heavy ions at energies appropriate for advanced atomic physics research. The ring is designed to allow studies of electron-ion, photon-ion, ion-atom, and ion-ion interactions. An electron cooling system will provide ion beams with small angular divergence and energy spread for precision spectroscopic studies and also is necessary to allow the deceleration of heavy ions to low energies. HISTRAP will have a maximum bending power of 2.0 T m and will be injected with ions from either the existing Holifield Heavy Ion Research Facility 25-MV tandem accelerator or from a dedicated ECR source and 250 keV/nucleon RFQ linac.
Novel monoenergetic neutron sources for energies between 2.5 and 25.7 MeV
1987, Nuclear Inst. and Methods in Physics Research, A

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^☆: Research sponsored by the Division of Basic Energy Sciences, US Department of Energy, under contract DE-AC05-850R21400 with Martin Marietta Energy Systems, Inc.

^∗∗: COop student, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA.

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The holifield heavy ion research facility☆

Abstract

Nucl. Instr. and Meth.

Nucl. Instr. and Meth.

Nucl. Instr. and Meth.

Nucl. Instr. and Meth.

Nucl. Instr. and Meth.

Nucl. Instr. and Meth.