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Title: OTR measurements and modeling of the electron beam optics at the E-cooling facility

Abstract

Optics of the electron beam accelerated in the Pelletron, intended for the electron cooling of 8.9 GeV antiprotons in the Fermilab recycler storage ring, has been studied. The beam profile parameters were measured under the accelerating section using Optical Transition Radiation (OTR) monitor. The monitor employs a highly-reflective 2 inch-diameter aluminum OTR-screen with a thickness of 5 {micro}m and a digital CCD camera. The measurements were done in a pulse-signal mode in the beam current range of 0.03-0.8 A and at pulse durations ranging from 1 {micro}s to 4 {micro}s. Differential profiles measured in pulsed mode are compared with results obtained by modeling of the DC beam dynamics from the Pelletron cathode to the OTR monitor. The modeling was done with SAM, ULTRASAM and BEAM programs. An adjustment of the magnetic fields in the lenses of the accelerating section was done in the simulations. The simulated electron beam optics downstream of the accelerating section was in good agreement with the measurements made with pulsed beam.

Authors:
; ; ; ; ; ; ; ;
Publication Date:
Research Org.:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
878986
Report Number(s):
FERMILAB-CONF-05-465-AD
TRN: US0700931
DOE Contract Number:
AC02-76CH03000
Resource Type:
Conference
Resource Relation:
Journal Name: AIP Conf.Proc.821:380-385,2006; Conference: Presented at International Workshop on Beam Cooling and Related Topics (COOL05), Eagle Ridge, Galena, IL, USA, 18 - 23 Sep 2005
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS; ALUMINIUM; ANTIPROTONS; BEAM COOLING; BEAM CURRENTS; BEAM DYNAMICS; BEAM PROFILES; CATHODES; ELECTRON BEAMS; ELECTRON COOLING; MAGNETIC FIELDS; MONITORS; OPTICS; PELLETRON ACCELERATORS; STORAGE RINGS; THICKNESS; TRANSITION RADIATION; Accelerators

Citation Formats

Warner, A., Burov, Alexey V., Carlson, K., Kazakevich, G., Nagaitsev, S., Prost, L., Sutherland, M., Tiunov, M., and /Fermilab /Novosibirsk, IYF. OTR measurements and modeling of the electron beam optics at the E-cooling facility. United States: N. p., 2005. Web.
Warner, A., Burov, Alexey V., Carlson, K., Kazakevich, G., Nagaitsev, S., Prost, L., Sutherland, M., Tiunov, M., & /Fermilab /Novosibirsk, IYF. OTR measurements and modeling of the electron beam optics at the E-cooling facility. United States.
Warner, A., Burov, Alexey V., Carlson, K., Kazakevich, G., Nagaitsev, S., Prost, L., Sutherland, M., Tiunov, M., and /Fermilab /Novosibirsk, IYF. Tue . "OTR measurements and modeling of the electron beam optics at the E-cooling facility". United States. doi:. https://www.osti.gov/servlets/purl/878986.
@article{osti_878986,
title = {OTR measurements and modeling of the electron beam optics at the E-cooling facility},
author = {Warner, A. and Burov, Alexey V. and Carlson, K. and Kazakevich, G. and Nagaitsev, S. and Prost, L. and Sutherland, M. and Tiunov, M. and /Fermilab /Novosibirsk, IYF},
abstractNote = {Optics of the electron beam accelerated in the Pelletron, intended for the electron cooling of 8.9 GeV antiprotons in the Fermilab recycler storage ring, has been studied. The beam profile parameters were measured under the accelerating section using Optical Transition Radiation (OTR) monitor. The monitor employs a highly-reflective 2 inch-diameter aluminum OTR-screen with a thickness of 5 {micro}m and a digital CCD camera. The measurements were done in a pulse-signal mode in the beam current range of 0.03-0.8 A and at pulse durations ranging from 1 {micro}s to 4 {micro}s. Differential profiles measured in pulsed mode are compared with results obtained by modeling of the DC beam dynamics from the Pelletron cathode to the OTR monitor. The modeling was done with SAM, ULTRASAM and BEAM programs. An adjustment of the magnetic fields in the lenses of the accelerating section was done in the simulations. The simulated electron beam optics downstream of the accelerating section was in good agreement with the measurements made with pulsed beam.},
doi = {},
journal = {AIP Conf.Proc.821:380-385,2006},
number = ,
volume = ,
place = {United States},
year = {Tue Nov 01 00:00:00 EST 2005},
month = {Tue Nov 01 00:00:00 EST 2005}
}

Conference:
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