IPAC2015 - List of Authors (Hamm, R.W.)

Paper	Title	Page
WEIC9	Strengthening Collaborations: An Industrial View
	R.W. Hamm R&M Technical Enterprises, Pleasanton, California, USA
	Ways to Strengthen Relations from Industry's Viewpoint
	Slides WEIC9 [0.339 MB]
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WEPTY048	An RFQ Direct Injection Scheme for the IsoDAR High Intensity H²⁺ Cyclotron	3384
	D. Winklehner, J.R. Alonso, J.M. Conrad MIT, Cambridge, Massachusetts, USA R.W. Hamm R&M Technical Enterprises, Pleasanton, California, USA
	IsoDAR is a novel experiment designed to measure neutrino oscillations through electron-antineutrino disappearance, thus providing a definitive search for sterile neutrinos. In order to generate the necessary anti-neutrino flux, a high intensity primary proton beam is needed. In IsoDAR, H²⁺ is accelerated, and is stripped into protons just before the target, to overcome space charge issues at injection. As part of the design, we have refined an old proposal to use an RFQ to axially inject bunched H²⁺ ions into the driver cyclotron. This method has several advantages over a classical low energy beam transport (LEBT) design: (1) The bunching efficiency is higher than for the previously considered two-gap buncher and thus the overall injection efficiency is higher. This relaxes the constraints on the H²⁺ current required from the ion source. (2) The overall length of the LEBT can be reduced. (3) The RFQ can also accelerate the ions. This enables the ion source platform high voltage to be reduced from 70 kV to 30 kV, making underground installation easier. We will present preliminary RFQ design parameters and first beam dynamics simulations from the ion source to the spiral inflector.
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2015-WEPTY048
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Paper

Title

Page

WEIC9

Strengthening Collaborations: An Industrial View

R.W. Hamm
R&M Technical Enterprises, Pleasanton, California, USA

Ways to Strengthen Relations from Industry's Viewpoint

Slides WEIC9 [0.339 MB]

Export •

reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

WEPTY048

An RFQ Direct Injection Scheme for the IsoDAR High Intensity H²⁺ Cyclotron

3384

D. Winklehner, J.R. Alonso, J.M. Conrad
MIT, Cambridge, Massachusetts, USA
R.W. Hamm
R&M Technical Enterprises, Pleasanton, California, USA

IsoDAR is a novel experiment designed to measure neutrino oscillations through electron-antineutrino disappearance, thus providing a definitive search for sterile neutrinos. In order to generate the necessary anti-neutrino flux, a high intensity primary proton beam is needed. In IsoDAR, H²⁺ is accelerated, and is stripped into protons just before the target, to overcome space charge issues at injection. As part of the design, we have refined an old proposal to use an RFQ to axially inject bunched H²⁺ ions into the driver cyclotron. This method has several advantages over a classical low energy beam transport (LEBT) design: (1) The bunching efficiency is higher than for the previously considered two-gap buncher and thus the overall injection efficiency is higher. This relaxes the constraints on the H²⁺ current required from the ion source. (2) The overall length of the LEBT can be reduced. (3) The RFQ can also accelerate the ions. This enables the ion source platform high voltage to be reduced from 70 kV to 30 kV, making underground installation easier. We will present preliminary RFQ design parameters and first beam dynamics simulations from the ion source to the spiral inflector.

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2015-WEPTY048

Export •

reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)