NDLI: BBU and corkscrew growth predictions for the DARHT second axis accelerator

Content Provider	IEEE Xplore Digital Library
Author	Yu-Jiuan Chen Fawley, W.M.
Copyright Year	2001
Description	Author affiliation: LLNL, Livermore, CA, USA (Yu-Jiuan Chen)
Abstract	The second axis accelerator of the Dual Axis Radiographic Hydrodynamic Test (DARHT-II) facility will produce a 2-kA, 20-MeV, 2-/spl mu/s output electron beam with a design goal of less than 1000 /spl pi/ mm-mrad normalized transverse emittance. In order to meet this goal, both the beam breakup instability (BBU) and transverse "corkscrew" motion (due to chromatic phase advance) must be limited in growth. Using data from recent experimental measurements of the transverse impedance of actual DARHT-II accelerator cells by Briggs et al., we have used the LLNL BREAKUP code to predict BBU and corkscrew growth in DARHT-II. The results suggest that BBU growth should not seriously degrade the final achievable spot size at the x-ray converter, presuming the initial excitation level is of the order 100 microns or smaller. For control of corkscrew growth, a major concern is the number of "tuning" shots needed to utilize effectively the "tuning-V" algorithm. Presuming that the solenoid magnet alignment falls within spec, we believe that possibly as few as 50-100 shots will be necessary to set the dipole corrector magnet currents. We give some specific examples of tune determination for a hypothetical set of alignment errors.
Sponsorship	U.S. Dept. Energy
Starting Page	3490
Ending Page	3492
File Size	341934
Page Count	3
File Format	PDF
ISBN	0780371917
DOI	10.1109/PAC.2001.988154
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-06-18
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Acceleration Structural beams Particle beams Lattices Laboratories Solenoids Radiography Electron beams Impedance measurement Degradation
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

BBU and Corkscrew Growth Predictions for the Darht Second Axis Accelerator

BBU and Corkscrew Growth Predictions for the DARHT Second Axis Accelerator

BBU and Corkscrew Growth Predictions for the DARHT Second Axis Accelerator

Beam-breakup calculations for the DARHT accelerator

A beam-slice algorithm for transport of the darht-2 accelerator

Commissioning the DARHT-II scaled accelerator downstream transport

Commissioning the darht-II scaled accelerator

A long pulse linac for the second phase of DARHT

Design and performance of the Marx generator for the DARHT second axis electron injector

BBU and corkscrew growth predictions for the DARHT second axis accelerator

Similar Documents

BBU and Corkscrew Growth Predictions for the Darht Second Axis Accelerator

BBU and Corkscrew Growth Predictions for the DARHT Second Axis Accelerator

BBU and Corkscrew Growth Predictions for the DARHT Second Axis Accelerator

Beam-breakup calculations for the DARHT accelerator

A beam-slice algorithm for transport of the darht-2 accelerator

Commissioning the DARHT-II scaled accelerator downstream transport

Commissioning the darht-II scaled accelerator

A long pulse linac for the second phase of DARHT

Design and performance of the Marx generator for the DARHT second axis electron injector

BBU and corkscrew growth predictions for the DARHT second axis accelerator