IPAC2013 - List of Authors (Steimel, J.)

Paper	Title	Page
MOPWA062	Transverse Beam Halo Measurements at High Intensity Neutrino Source (HINS) using Vibrating Wire Monitor	819
	M. Chung, B.M. Hanna, V.E. Scarpine, V.D. Shiltsev, J. Steimel Fermilab, Batavia, USA S. Artinian BERGOZ Instrumentation, Saint Genis Pouilly, France S.G. Arutunian ANSL, Yerevan, Armenia
	Funding: Research supported by the U.S. Department of Energy. Measurement and control of transverse beam halo will be critical for the applications of future high-intensity hadron linacs. In particular, beam profile monitors require a very high dynamic range when using for transverse beam halo measurements. In this study, the Vibrating Wire Monitor (VWM) with aperture 60 mm was installed at the High Intensity Neutrino Source (HINS) front-end to measure transverse beam halo. A vibrating wire is excited at its resonance frequency with the help of a magnetic feedback loop, and the vibrating and sensitive wires are connected through a balanced arm. The sensitive wire is moved into the beam halo region by a stepper motor controlled translational stage. We study the feasibility of the vibrating wire for transverse beam halo measurements in the low-energy front-end of the proton linac.

THPME047	Progress of the RFQ Accelerator for PXIE	3618
	D. Li, M.D. Hoff, A.R. Lambert, J.W. Staples, S.P. Virostek LBNL, Berkeley, California, USA T.H. Luo UMiss, University, Mississippi, USA S. Nagaitsev, G.V. Romanov, A.V. Shemyakin, R.P. Stanek, J. Steimel Fermilab, Batavia, USA
	Funding: This work is supported by the Office of Science, United States Department of Energy under DOE contract DE-AC02-05CH11231. The proposed Project X Injector Experiment (PXIE) is currently under development at Fermilab. PXIE is an R&D test accelerator that will replicate the front-end portion of Project X. The PXIE accelerator complex consists of a H⁻ ion source(s), low-energy beam transport (LEBT), 162.5 MHz normal conducting CW Radio-Frequency-Quadrupole (RFQ) accelerator, medium-energy beam transport (MEBT), broad-band beam chopper(s) and two superconducting cryomodules. In this paper, we will review and present recent progress of the PXIE RFQ, which will include an overview of the RFQ beam dynamics design, RF structure design, detailed thermal and mechanical analyses, fabrication test results and fabrication plan and schedule.

Paper

Title

Page

Transverse Beam Halo Measurements at High Intensity Neutrino Source (HINS) using Vibrating Wire Monitor

819

M. Chung, B.M. Hanna, V.E. Scarpine, V.D. Shiltsev, J. Steimel
Fermilab, Batavia, USA
S. Artinian
BERGOZ Instrumentation, Saint Genis Pouilly, France
S.G. Arutunian
ANSL, Yerevan, Armenia

Funding: Research supported by the U.S. Department of Energy.
Measurement and control of transverse beam halo will be critical for the applications of future high-intensity hadron linacs. In particular, beam profile monitors require a very high dynamic range when using for transverse beam halo measurements. In this study, the Vibrating Wire Monitor (VWM) with aperture 60 mm was installed at the High Intensity Neutrino Source (HINS) front-end to measure transverse beam halo. A vibrating wire is excited at its resonance frequency with the help of a magnetic feedback loop, and the vibrating and sensitive wires are connected through a balanced arm. The sensitive wire is moved into the beam halo region by a stepper motor controlled translational stage. We study the feasibility of the vibrating wire for transverse beam halo measurements in the low-energy front-end of the proton linac.

THPME047

Progress of the RFQ Accelerator for PXIE

3618

D. Li, M.D. Hoff, A.R. Lambert, J.W. Staples, S.P. Virostek
LBNL, Berkeley, California, USA
T.H. Luo
UMiss, University, Mississippi, USA
S. Nagaitsev, G.V. Romanov, A.V. Shemyakin, R.P. Stanek, J. Steimel
Fermilab, Batavia, USA

Funding: This work is supported by the Office of Science, United States Department of Energy under DOE contract DE-AC02-05CH11231.
The proposed Project X Injector Experiment (PXIE) is currently under development at Fermilab. PXIE is an R&D test accelerator that will replicate the front-end portion of Project X. The PXIE accelerator complex consists of a H⁻ ion source(s), low-energy beam transport (LEBT), 162.5 MHz normal conducting CW Radio-Frequency-Quadrupole (RFQ) accelerator, medium-energy beam transport (MEBT), broad-band beam chopper(s) and two superconducting cryomodules. In this paper, we will review and present recent progress of the PXIE RFQ, which will include an overview of the RFQ beam dynamics design, RF structure design, detailed thermal and mechanical analyses, fabrication test results and fabrication plan and schedule.