ORNL Physics Division

Holifield Radioactive Ion Beam Facility

Overview

Accelerator Systems, Operations, and Development

HRIBF Accelerator Operation Summary
R. L. Auble, B. D. Bryant, M. R. Dinehart, C. L. Dukes, C. A. Irizarry, R. C. Juras, S. N. Lane, C. T. LeCroy, M. J. Meigs, R. C. Morton, S. W. Mosko, B. A. Tatum
accelerators, operations

Tandem Accelerator Operation
M. J. Meigs, R. L. Auble, B. D. Bryant, M. R. Dinehart, C. L. Dukes, D. L. Haynes, C. A. Irizarry, R. C. Juras, S. N. Lane, C. T. LeCroy, G. D. Mills, R. C. Morton, S. N. Murray
beams, terminal potentials, charging chains, NEC, tank openings

Tandem Accelerator Improvement Project
R. C. Juras, R. L. Auble, D. L. Haynes, M. J. Meigs
radioactive, ion, beams, tandem, efficiency, SF₆

ORIC Operation and Development
D. T. Dowling, S. N. Lane, S. W. Mosko, B. A. Tatum
ORIC, phase clipper, beam development, trim coils

Porting of the Terry Cleary Software Package to UNIX
W. T. Milner
ORIC, orbit, Cleary

Accelerator Control Systems
J. W. Sinclair, R. C. Juras, M. J. Meigs, B. A. Tatum
accelerator controls, Vsystem, EPICS

Oak Ridge Electron Linear Accelerator (ORELA)
D. C. Larson, T. A. Lewis, V. M. Cauley
neutrons, astrophysics, criticality safety, positrons, photon sources

Abstracts of Papers Published or Submitted for Publication

Development of the Holifield Radioactive Ion Beam Facility
B. A. Tatum, G. D. Alton, R. L. Auble, J. R. Beene, D. T. Dowling, D. L. Haynes, R. C. Juras, S. N. Lane, M. J. Meigs, G. D. Mills, S. W. Mosko, P. E. Mueller, D. K. Olsen, D. Shapira, J. W. Sinclair, H. K. Carter, R. F. Welton, C. L. Williams, J. D. Bailey, D. W. Stracener

Radioactive Ion Beam Development

Overview of the HRIBF RIB Development Program
R. L. Auble, H. K. Carter, J. W. Hale, J. Kormicki, Y. Liu, P. E. Mueller, C. A. Reed, D. W. Stracener, R. F. Welton
radioactive beams

RIB Injector Operations
P. E. Mueller, R. L. Auble, J. R. Beene, D. T. Dowling, J. W. Hale, D. L. Haynes, R. C. Juras, M. J. Meigs, C. A. Reed, D. W. Stracener, B. A. Tatum, R. F. Welton, C. L. Williams
radioactive beams, injector, operations, targets, As, F, charge-exchange

¹⁷F Beam Development
R. F. Welton, R. L. Auble, J. R. Beene, H. K. Carter, J. W. Hale, J. Kormicki, P. E. Mueller, S. N. Murray, C. A. Reed, D. W. Stracener, C. L. Williams
ions, beams, F, targets, Hf, fibers, radioactive beams

Development of Second Generation Liquid Metal Target Systems
R. F. Welton, R. L. Auble, B. S. Morgan, P. E. Mueller, D. W. Stracener, C. L. Williams
liquid targets, radioactive beams, Ge, As, fibers

Operation of the UNISOR Separator Facility
D. W. Stracener, H. K. Carter, J. Kormicki, A. H. Poland, C. A. Reed, R. F. Welton, C. L. Williams
UNISOR, operations, radioactive beams, ion sources, targets, As, F, controls

Development of Radioactive Arsenic and Gallium Beams
D. W. Stracener, H. K. Carter, J. Kormicki, A. H. Poland
radioactive beams, As, Ga

Initial Measurements of Radioactive Cu Beams at UNISOR
D. W. Stracener, H. K. Carter, J. Kormicki, A. H. Poland
radioactive beams, UNISOR, ion sources, targets, release rates, Cu, Ni, U carbide

Initial Measurements of Yields from a Fibrous Uranium Carbide Target
D. W. Stracener, K. Tsukada, H. K. Carter, G. D. Alton, J. C. Batchelder, J. Kormicki, K. S. Toth, R. F. Welton
ion sources, UNISOR, yields, efficiency, radioactive beams, U carbide, neutron-rich nuclei, fission

Measurement of Charge-Exchange Fractions for As⁺ and AlF⁺ Ion Beams
X. Zhao, J. Lassen, V. Ryjkov, H. A. Schuessler, D. W. Stracener
charge exchange, As, F, Cs, Mg, UNISOR, ion sources

Target and Ion Source Research and Development

The Advanced Concept Group Research and Development Program: A Brief Overview
G. D. Alton, Y. Liu, G. D. Mills, S. N. Murray, T. Zhang
radioactive beams, targets, ion sources

Selection of Target Materials for Radioactive Ion Beam Generation
G. D. Alton, Y. Liu
targets

Composite Target Fabrication
G. D. Alton
targets, coating, SEM

The Design and Evaluation of High Release Efficiency Composite UC₂/RVCF Fission Targets
G. D. Alton, H. H. Moeller
UC₂/RVCF, fission, coating

Liquid-Metal Target Developments
G. D. Alton, B. Cui
diffusion, liquid metal, targets

Thermal Conductivity Measurements of Electroplated-Ni/RVCF Composite Targets for ⁵⁸Cu RIB Generation
G. D. Alton, J. W. Middleton, R. Dinwiddie
thermal conductivity, RVCF, Cu

Target/Heat-Sink Design and Thermal Analysis Studies
Y. Liu, G. D. Alton, J. W. Middleton
targets, heat sink, ANSYS

Dimensional Criteria for Design of High Efficiency Release Targets for Radioactive Ion Beam Generation
G. D. Alton, Y. Liu
targets, dimensional criteria

RIB Target Diffusion Studies
Y. Liu, G. D. Alton
diffusion, Al₂O₃, UC₂, Sn, F

Thermodynamic Equilibrium, Thermochemical and Phase-Equilibrium Diagram Data-Based Resources
G. D. Alton, Y. Liu

Low-Aberration Extraction Optics System for the Electron-Beam-Plasma-Ion Source
G. D. Alton, B. Cui
extraction, divergence, aberration

Multi-Sample Cs-Sputter Negative Ion Source
G. D. Alton, T. Zhang, Y. Liu, C. A. Reed, J. A. Ball, C. Williams
ion sources, Cs-sputter

A High-Efficiency, Kinetic-Ejection Negative Ion Source for RIB Generation
G. D. Alton, Y. Liu, C. Williams, S. N. Murray
ion sources, kinetic-ejection, F

A Batch-Mode Negative Ion Source for RIB Generation
G. D. Mills, G. D. Alton, D. L. Haynes, J. R. Beene
ion sources, batch-mode, Cs-sputter

Reverse Polarity Electron-Beam-Plasma Ion Source
G. D. Alton, R. F. Welton, S. N. Murray
ion sources, F, metal-fluoride

A High-Efficiency, Low Charge-State ECR Ion Source
G. D. Alton, T. Zhang, Y. Liu, C. A. Reed
ion sources, ECR, low-charge-state

High-Efficiency RF Plasma Generation Systems for Ion Source Applications
R. Lohwasser, G. D. Alton, S. N. Murray
RF, plasma, antenna

A High-Intensity, RF Plasma-Sputter Negative Ion Source
G. D. Alton, R. Lohwasser, B. Cui, Y. Bao, T. Zhang, S. N. Murray, G. D. Mills
ion sources, RF, plasma-sputter, Cs-vapor

A High Efficiency Positive-Surface-Ionization Source
G. D. Alton, C. Williams
ion sources, surface-ionization

RF Positive Ion Source
G. D. Alton, R. Lohwasser, Y. Bao, T. Zhang
ion sources, RF, plasma-sputter

Progress Toward Implementation of an Energy Analysis System
Y. Liu, G. D. Alton, B. Cui, J. Sinclair, S. N. Murray
energy analyzer, TISTF-1, retardation field

Abstracts of Papers Published or Submitted for Publication

Design Aspects of a Compact, Single-Frequency, Permanent Magnet ECR Ion Source with a Large Uniformly Distributed Resonant Plasma Volume
Y. Liu, G. D. Alton, G. D. Mills, C. A. Reed, D. L. Haynes

Enhancing the Performances of Traditional B-Minimum ECR Ion Sources with Multiple Discrete-Frequency Microwave Radiation
G. D. Alton, F. W. Meyer, Y. Liu, J. R. Beene, D. Tucker

Prototype Negative Ion Sources for Radioactive Ion Beam Generation
G. D. Alton, R. F. Welton, C. Williams, B. Cui, S. N. Murray

The Electron-Beam-Plasma Ion Source as Source of Negative Fluorine
G. D. Alton, R. F. Welton, B. Cui, S. N. Murray

Experimental Facilities Development

Commissioning of the Daresbury Recoil Separator
D. W. Bardayan, J. C. Blackmon, A. E. Champagne, A. A. Chen, U. Greife, V. Y. Hansper, M. A. Hofstee, A. N. James, B. A. Johnson, P. E. Koehler, R. L. Kozub, T. A. Lewis, Z. Ma, J. W. McConnell, W. T. Milner, P. D. Parker, D. E. Pierce, M. E. Roettger, D. Shapira, M. S. Smith, F. Strieder, K. B. Swartz, C. Ulrey, D. W. Visser
astrophysics, HRIBF, radioactive beams, capture, DRS, separator, microchannel, ionization, rp-process

Daresbury Recoil Separator Control System
J. W. McConnell, W. T. Milner, J. C. Blackmon
DRS, controls

Commissioning of the Silicon Detector Array (SIDAR)
D. W. Bardayan, J. C. Blackmon, A. E. Champagne, A. A. Chen, B. A. Johnson, R. L. Kozub, Z. Ma, P. D. Parker, D. E. Pierce, M. T. Rabban, M. S. Smith, K. B. Swartz, D. W. Visser, T. Davinson, M. A. Hofstee, A. C. Shotter, C. Ulrey, P. J. Woods
astrophysics, HRIBF, Si, commissioning, O, resonances, nova, CNO

A Recoil Separator for Astrophysics at the Advanced ISOL Facility
M. S. Smith, A. N. James, J. C. Blackmon, D. W. Bardayan, R. L. Kozub, Z. Ma
astrophysics, ISOL, NISOL, radioactive, DRS, separator, optics, capture

Daresbury Recoil Separator - Stepper Motor Control
W. T. Milner, J. C. Blackmon, J. W. McConnell
DRS, stepper, controls

Status of the Recoil Mass Spectrometer
C. J. Gross for the RMS Collaboration
RMS, nuclear structure, detectors

Beam Rejection Considerations of the Recoil Mass Spectrometer
C. J. Gross for the RMS Collaboration
RMS, nuclear structure, detectors

RMS Focal Plane Detector - Position Sensitive Avalanche Counter
C. J. Gross, D. Shapira, J. Mas
RMS, nuclear structure, avalanche counter, detectors

Moving Tape Collector
E. F. Zganjar, C. J. Gross, A. Piechaczek, J. C. Batchelder
beta decay, RMS, nuclear structure, tape

HyBall Charged-Particle Detector System
A. Galindo-Uribarri, C. Baktash, J. Johnson, D. Radford, M. Whitley
charged-particle, detectors, CsI, CLARION, RMS

BaF₂ Array Development and Operation
R. L. Varner, N. Gan, J. R. Beene, M. L. Halbert, J. L. Blankenship, E. Tryygestad
BaF, photomultiplier, data acquisition, elastic scattering, C, O, optical potential, exchange

A Focal Plane Detector for Measuring Evaporation Residues in Inverse Kinematics Using the Gas-Filled Enge Spectrograph
J. F. Liang, J. R. Beene, J. D. Bierman, A. Galindo-Uribarri, J. Gomez del Campo, C. J. Gross, M. L. Halbert, T. J. Harding, A.I.D. MacNab, S. P. McNeal, D. Shapira, R. L. Varner, K. Zhao
focal plane detector, gas-filled spectrograph, position sensitive avalanche counter, plastic scintillator, evaporation residue

High Voltage Control and Monitoring of Ge and BGO Detectors and Liquid Nitrogen Filling Control and Monitoring of Ge Detectors Associated with the RMS
W. T. Milner, J. W. McConnell
RMS, controls

Division Computing Infrastructure Development
C. N. Thomas, R. L. Varner
computing, email

Data Acquisition System Development
J. W. McConnell, W. T. Milner, R. L. Varner
data acquisition, CAMAC, FERA, VME

SWAPO - Program to Byte-Swap His-, Drr- and Spk-Files
W.T. Milner
spk-format

Abstracts of Papers Published or Submitted for Publication

A Three-Dimensional Beam Profile Monitor Based on Residual Gas Ionization
D. Shapira, T. A. Lewis

Position of Ion Impact Determined Via Detection of Secondary Electrons
D. Shapira, T. A. Lewis

HRIBF Users

HRIBF User Organization
J. D. Garrett, C. J. Gross

The Joint Institute for Heavy Ion Research
J. D. Garrett, C. R. Bingham, J. H. Hamilton