High current pulse striplines

Bourkland, K.; Jensen, C.; Tinsley, D.; Markel, W.

doi:10.1109/ppps.2001.1002218

Cited by 8 publications

(5 citation statements)

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“…The transmission line being considered is similar to FERMI NuMI [43] design for its ultra low resistance.…”

Section: Major Componentsmentioning

confidence: 99%

The Ags-Based Super Neutrino Beam Facility Conceptual Design Report

Weng¹,

Alessi²,

Beavis³

2004

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AGS Super Neutrino Beam Facility Outline of the Project ports. The most important of these are 1) "Neutrinos and Beyond," by the Nation Research Council's Neutrino Facilities Assessment Committee in (http //books.nap.edu /books /0309087163 /html /70.html) and 2) the "Physics of the Universe" from the National Science and Technology Council, Committee on Science (http//www.ostp.gov/ html/ physicsofthe-universe2.pdf). The super neutrino beam and the large underground detector in combination enable a broad spectrum of physics: neutrino oscillations and CP violation, detection of nucleon decay, supernova, and other astrophysical neutrino sources. A thorough examination of this possibility, therefore, is imperative for particle and nuclear physics. In the following, we show a specific implementation of the above project by upgrading the current BNL-AGS accelerator. All the enabling technologies for this program have been demonstrated in existing facilities. The accelerator upgrade and the beam project could enter the engineering design phase as soon as funding is made available.

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“…The transmission line being considered is similar to FERMI NuMI [43] design for its ultra low resistance.…”

Section: Major Componentsmentioning

confidence: 99%

The Ags-Based Super Neutrino Beam Facility Conceptual Design Report

Weng¹,

Alessi²,

Beavis³

2004

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“…A 201. 25 MHz drift tube linac (DTL) accelerates the beam from 750 keV to 200 MeV. This linac has 9 cavities, each powered by a 5 MW peak power RF system.…”

Section: Room Temperature Linac Upgradementioning

confidence: 99%

“…The transmission line being considered is similar to FERMI NuMI [25] design for its ultra low resistance.…”

Section: Major Componentsmentioning

confidence: 99%

Ags Super Neutrino Beam Facility Accelerator and Target System Design (Neutrino Working Group Report-Ii).

Diwan¹,

Marciano²,

Weng³

et al. 2003

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This document describes the design of the accelerator and target systems for the AGS Super Neutrino Beam Facility. Under the direction of the Associate Laboratory Director Tom Kirk, BNL has established a Neutrino Working Group to explore the scientific case and facility requirements for a very long baseline neutrino experiment. Results of a study of the physics merit and detector performance was published in BNL-69395 in October 2002[1][2], where it was shown that a wide-band neutrino beam generated by a 1 MW proton beam from the AGS, coupled with a half megaton water Cerenkov detector located deep underground in the former Homestake mine in South Dakota would be able to measure the complete set of neutrino oscillation parameters:• precise determination of the oscillation parameters ∆m 2 32 and sin 2 2θ 32• detection of the oscillation of ν µ → ν e and measurement of sin 2 2θ 13• measurement of ∆m 2 21 sin2θ 12 in a ν µ → ν e appearance mode, independent of the value of θ 13• verification of matter enhancement and the sign of ∆m 2 32• determination of the CP-violation parameter δ CP in the neutrino sector This report details the performance requirements and conceptual design of the accelerator and the target systems for the production of a neutrino beam by a 1.0 MW proton beam from the AGS. The major components of this facility include a new 1.2 GeV superconducting linac, ramping the AGS at 2.5 Hz, and the new target station for 1.0 MW beam. It also calls for moderate increase, about 30%, of the AGS intensity per pulse. Special care is taken to account for all sources of proton beam loss plus shielding and collimation of stray beam halo particles to ensure equipment reliability and personal safety. A preliminary cost estimate and schedule for the accelerator upgrade and target system are also included.

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“…Neither NuMI nor BNB have pulse transformers. The BNB horn and transmission line operates at up to 6 kV [3] in air and the horns could be designed to operate at up to 5 kV. The LBNF horns will operate in an argon environment while most of the stripline with be in air.…”

Section: Introductionmentioning

confidence: 99%

A 300 kA Pulsed Power Supply for LBNF [Poster]

Jensen¹,

Omark²,

Pfeffer³

et al. 2022

2022 IEEE International Power Modulator and High Voltage Conference (IPMHVC), Knoxville, TN (United States), 19-23 Jun 2022

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The Long Baseline Neutrino Facility (LBNF) will produce the world's most intense neutrino beam. Three series connected magnetic horns will require 5kV, 300kA, 800µs pulses at a rate of 0.7Hz to focus the beam. Fermilab has designed and built pulsed high current supplies for horns in the past. Pulsed currents of 205 kA for Neutrinos at Main Injector (NuMI / NOvA), focusing a 120 GeV beam, and 170 kA for Booster Neutrino Beam (BNB / MiniBooNE) for focusing an 8 GeV beam have been operational for about 18 years. While the magnetic horns are expected to be replaced, the LBNF horn power supply is expected to last the lifetime of the project, 30 years.A resonant, half sine wave pulser was used for NuMI and BNB and has many practical advantages. The system has impedance limited fault currents by design, albeit large ones. Many fault modes of the system have been calculated. Several circuit changes were incorporated so that a single fault can be tolerated. The supply must also be reversible to enable both neutrinos and antineutrinos to be produced.

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High current pulse striplines

Cited by 8 publications

References 0 publications

The Ags-Based Super Neutrino Beam Facility Conceptual Design Report

The Ags-Based Super Neutrino Beam Facility Conceptual Design Report

Ags Super Neutrino Beam Facility Accelerator and Target System Design (Neutrino Working Group Report-Ii).

A 300 kA Pulsed Power Supply for LBNF [Poster]

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