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Extensive beam-based feedback systems are planned as an integral part of the Next Linear Collider (NLC) control system. Wakefield effects are a significant influence on the feedback design, imposing both architectural and algorithmic…

Accelerator Physics · Physics 2008-11-26 L. Hendrickson , N. Phinney , P. Raimondi , T. Raubenheimer , A. Seryi , P. Tenenbaum

The SNS linac accelerates an average beam current of 2 mA to an energy of 968 MeV. The linac is pulsed at 60 Hz with an H- beam pulse of 1 ms. The first 185 Mev of the linac uses normal conducting cavities, and the remaining length of the…

Accelerator Physics · Physics 2007-05-23 Michael Lynch , William Reass , Daniel Rees , Amy Regan , Paul Tallerico

We introduce Larq Compute Engine, the world's fastest Binarized Neural Network (BNN) inference engine, and use this framework to investigate several important questions about the efficiency of BNNs and to design a new state-of-the-art BNN…

Machine Learning · Computer Science 2021-02-23 Tom Bannink , Arash Bakhtiari , Adam Hillier , Lukas Geiger , Tim de Bruin , Leon Overweel , Jelmer Neeven , Koen Helwegen

We present measurements of AC-LGADs performed at the Fermilab's test beam facility using 120 GeV protons. We studied the performance of various strip and pad AC-LGAD sensors that were produced by BNL and HPK. The measurements are performed…

This paper presents measurements of the beam transmission performed on the 4-rod RFQ currently under operation at Fermilab. The beam current has been measured at the RFQ exit as a function of the magnetic field strength in the two LEBT…

Accelerator Physics · Physics 2014-11-14 J. -P. Carneiro , F. G. Garcia , J. -F Ostiguy , A. Saini , R. Zwaska , B. Mustapha , P. Ostroumov

Low gain avalanche detectors can measure charged particle fluences with high speed and spatial precision, and are a promising technology for radiation monitoring and dosimetry. A detector has been tested in a medical linac where single…

Instrumentation and Detectors · Physics 2022-02-17 Tommaso Isidori , Patrick McCavana , Brendan McClean , Ronan McNulty , Nicola Minafra , Naomi Raab , Luke Rock , Christophe Royon

The Fermilab Linac delivers a variable intensity, 400-MeV beam to the The MuCool Test Area experimental hall via a beam line specifically designed to facilitate measurements of the Linac beam emittance and properties. A 10 m,…

Accelerator Physics · Physics 2013-01-30 F. G. G. Garcia , C. Johnstone , T. Kobilarcik , G. M. Koizumi , C. D. Moore , D. L. Newhart

The current status of the 2mrad crossing angle layout for the ILC is reviewed. The scheme developed in the UK and France is described and the performance discussed for a TeV machine. Secondly, the scheme developed at SLAC and BNL is then…

Accelerator Physics · Physics 2008-11-26 R. Appleby , D. Angal-Kalinin , P. Bambade , B. Mouton , O. Napoly , J. Payet , A. Seryi , Y. Nosochkov

Properties of transport of molecular motors are investigated. A simplified model based on the concept of Brownian ratchets is applied. We analyze a stochastic equation of motion by means of numerical methods. The transport is systematically…

Statistical Mechanics · Physics 2011-12-07 Lukasz Machura , Marcin Kostur , Jerzy Luczka

There is demand for the construction of a medium-energy ion linear accelerator based on superconducting rf (SRF) technology. It must be capable of producing several hundred kilowatts of CW beams ranging from protons to uranium. A…

Accelerator Physics · Physics 2011-07-18 P. N. Ostroumov , J. A. Nolen , K. W. Shepard

Optimal transport is a geometrically intuitive, robust and flexible metric for sample comparison in data analysis and machine learning. Its formal Riemannian structure allows for a local linearization via a tangent space approximation. This…

Optimization and Control · Mathematics 2024-06-07 Clément Sarrazin , Bernhard Schmitzer

Recently, the Low-Energy Demonstration Accelerator (LEDA) portion of the Accelerator Production of Tritium (APT) project reached its 100-mA, 8-hr CW beam operation milestone. LEDA consists of a 75-keV proton injector, 6.7-MeV, 350-MHz CW…

Accelerator Physics · Physics 2007-05-23 L. J. Rybarcyk , J. D. Schneider , H. V. Smith , L. M. Young , M. E. Schulze

LoRaWAN is a Low Power Wide Area Network technology featuring long transmission ranges and a simple MAC layer, which can support sensor data collection, control applications and reliable services thanks to the flexibility offered by a large…

Networking and Internet Architecture · Computer Science 2021-08-10 Davide Magrin , Martina Capuzzo , Andrea Zanella , Michele Zorzi

In the context of the evaluation of possibly using the Fermilab Electron Cooler for the proposed low-energy RHIC run at BNL, operating the cooler at 1.6 MeV electron beam energy was tested in a short beam line configuration. The main…

Accelerator Physics · Physics 2012-09-13 L. R. Prost , A. Shemyakin , A. Fedotov , J. Kewisch

Interband cascade lasers (ICLs) stand out due to their low threshold current and minimal power consumption, rendering them viable sources for compact and mobile devices in the mid-infrared. Since their first demonstration, they experienced…

Optics · Physics 2024-06-03 Andreas Windischhofer , Nikola Opačak , Benedikt Schwarz

This work describes first commissioning results from the Cornell Brookhaven Energy Recovery Test Accelerator Fractional Arc Test. These include the recommissioning of the Cornell photo-injector, the first full energy operation of the main…

The chopping line is a critical part of the ESS linac in term of technical realisation of the choppers and preservation of the beam qualities. A new optimised design of the ESS RFQs and chopping lines is reported. The beam dynamics has been…

Accelerator Physics · Physics 2007-05-23 R. Duperrier , R. Ferdinand , P. Gros , J-M. Lagniel , N. Pichoff , D. Uriot , CEA-Saclay , DSM-DAPNIA-SEA

A beam dynamics design of 352.2 MHz Radio-Frequency Quadrupole (RFQ) of Turkish Accelerator Center (TAC) project which accelerates continuous wave (CW) proton beam with 30 mA current from 50 keV to 3 MeV kinetic energy has been performed in…

Accelerator Physics · Physics 2015-06-26 H. F. Kisoglu , A. Caliskan , M. Yilmaz

The Fermilab Linac accepts the 0.75 MeV H- ions from the front end and accelerates them to 400 MeV for injection into the Booster. Day-to-day drifts of the longitudinal trajectory in the Linac, reconstructed from phase readings of Beam…

Accelerator Physics · Physics 2023-12-14 Sheldon Rego , Ralitsa Sharankova , Alexander Shemyakin

Superconducting linacs are capable of producing intense, stable, high-quality electron beams that have found widespread applications in science and industry. The 9-cell 1.3-GHz superconducting standing-wave accelerating RF cavity originally…

Accelerator Physics · Physics 2017-04-25 A. Halavanau , N. Eddy , D. Edstrom , E. Harms , A. Lunin , P. Piot , A. Romanov , J. Ruan , N. Solyak , V. Shiltsev