D. Hatfield
Oak Ridge National Laboratory
7 Papers
42 Citations
D. Hatfield is an academic researcher from Oak Ridge National Laboratory. The author has contributed to research in topics: Spallation Neutron Source & Cryogenics. The author has an hindex of 5, co-authored 7 publications.
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Papers
Status of the Cryogenic System Commissioning at SNS
Fabio Casagrande,I.E. Campisi,P. Gurd,D. Hatfield,M. Howell,D. Stout,H. Strong,D. Arenius,J. Creel,K. Dixon,Venkatarao Ganni,Peter Knudsen +11 more
- 16 May 2005
TL;DR: The Spallation Neutron Source (SNS) is under construction at Oak Ridge National Laboratory and the Linac as discussed by the authors consists of 81 superconducting radio frequency cavities cooled to 2.1K by a 2400 Watt cryogenic refrigeration system.
SNS cryogenic systems commissioning
D. Hatfield,Fabio Casagrande,I.E. Campisi,P. Gurd,M. Howell,D. Stout,H. Strong,D. Arenius,J. Creel,K. Dixon,Venkatarao Ganni,Peter Knudsen +11 more
- 09 May 2006
TL;DR: The Spallation Neutron Source (SNS) is under construction at Oak Ridge National Laboratory and the Linac as discussed by the authors is a superconducting radio frequency cavities cooled to 2.1K by a 2400 watt cryogenic refrigeration system.
Installation of the Spallation Neutron Source (SNS) Superconducting Linac
D. Stout,I.E. Campisi,Fabio Casagrande,R. Cutler,D. Hatfield,M. Howell,T. Hunter,R. Kersevan,P. Ladd,H. Strong +9 more
- 16 May 2005
TL;DR: The Spallation Neutron Source (SNS) superconducting linac (SCL) as discussed by the authors consists of 11 medium beta (061) and 12 high beta (081) RF cryomodules, 32 intersegment quadrupole magnet/diagnostics stations, 9 spool beampipes for future upgrade, and two differential pumping stations on either end of the SCL
Spallation Neutron Source Cryogenic Transfer Line
M. Howell,D. E. Richied,D. Hatfield,D. S. Stout,Fabio Casagrande,T. Neustadt,K. Dixon +6 more
- 16 Jul 2004
TL;DR: In this paper, the authors describe the design, fabrication, installation, and innovations of the cryogenic transfer line that transfers the helium to and from the cryomodules containing the niobium cavities.
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4.2 K Operation of the SNS Cryomodules
I.E. Campisi,S. Assadi,Fabio Casagrande,Mark Champion,Pinghan Chu,Sarah Cousineau,M. Crofford,Craig Deibele,John D Galambos,P. Gurd,D. Hatfield,M. Howell,Dong-O Jeon,Yoon W. Kang,K. Kasemir,Z. Kursun,H. Ma,M. Piller,D. Stout,W. Strong,A. Vassioutchenko,Yanwen Zhang +21 more
- 16 May 2005
TL;DR: In this article, a superconducting cavity system specifically designed for 2.1 K operation has been extensively tested at 4.2 K without superfluid helium, which is the first time that such a cavity system has been used in the SNS tunnel.