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Title: Acceleration of uranium beam to record power of 10.4 kW and observation of new isotopes at Facility for Rare Isotope Beams

Journal Article · · Physical Review Accelerators and Beams
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  1. Michigan State University, East Lansing, MI (United States)
  2. Michigan State University, East Lansing, MI (United States); Argonne National Laboratory (ANL), Argonne, IL (United States)
  3. Institute for Basic Science, Daejeon (Korea, Republic of)
  4. RIKEN Nishina Center for Accelerator-Based Science, Saitama (Japan)
+ Show Author Affiliations

The Facility for Rare Isotope Beams (FRIB) is a major nuclear physics facility for research with fast, stopped, and reaccelerated beams that was successfully commissioned in May 2022. A key capability of FRIB is the production of an acceleration of the uranium beam, but this capability requires the facility to work at the design limits of the lowest charge-to-mass ratio and the highest power density on the beam intercepting devices. This paper presents techniques for overcoming the significant challenges in accelerating the uranium beam, culminating in the demonstration of 10.4 kW on target, and the discovery of three new isotopes. The high-power uranium beam enabled us to produce and identify 88Ga, 93A⁢s, and 96S⁢e, within the first 24 h of operation. The successful uranium operation at FRIB sets a new record for accelerated uranium beam power above 10 kW and opens a new avenue of research with rare isotopes.

Research Organization:
Michigan State Univ., East Lansing, MI (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Nuclear Physics (NP); USDOE Office of Science (SC), Basic Energy Sciences (BES). Scientific User Facilities (SUF); National Science Foundation (NSF); IBS
Grant/Contract Number:
SC0023633; PHY23-10078; IBS-R031-D1; IBS-R031-Y2
OSTI ID:
2373223
Alternate ID(s):
OSTI ID: 2406261
Journal Information:
Physical Review Accelerators and Beams, Vol. 27, Issue 6; ISSN 2469-9888
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English

References (18)

Linear envelope model for multicharge state linac journal March 2014
LISE cute++, the latest generation of the LISE ++ package, to simulate rare isotope production with fragment-separators journal August 2023
Production of very neutron-rich nuclei with a Ge 76 beam journal September 2009
Heavy ion beam physics at Facility for Rare Isotope Beams journal December 2020
Accelerator commissioning and rare isotope identification at the Facility for Rare Isotope Beams journal March 2022
Development and status of the FRIB 28 GHz SC ECRIS journal April 2022
Efficient continuous wave accelerating structure for ion beams journal April 2020
Design of the Advanced Rare Isotope Separator ARIS at FRIB journal December 2013
Observation of new microsecond isomers among fission products from in-flight fission of 345 MeV/nucleon 238 U journal November 2012
Experimental Demonstration of the Thin-Film Liquid-Metal Jet as a Charge Stripper journal May 2022
Multiple-charge beam dynamics in an ion linac journal March 2000
Observation of New Isotopes in the Fragmentation of Pt198 at FRIB journal February 2024
Extension of charge-state-distribution calculations for ion-solid collisions towards low velocities and many-electron ions journal October 2015
First Simultaneous Acceleration of Multiple Charge States of Heavy Ion Beams in a Large-Scale Superconducting Linear Accelerator journal March 2021
Commissioning of the Advanced Rare Isotope Separator ARIS at FRIB journal July 2023
Production of new neutron-rich isotopes near the N=60 isotones Ge92 and As93 by in-flight fission of a 345 MeV/nucleon U238 beam journal April 2024
Low energy beam transport for facility for rare isotope beams driver linear particle accelerator journal February 2012
LISE++: Radioactive beam production with in-flight separators journal October 2008

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