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Related papers: Preliminary Study on the RF tuning of CSNS DTL

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The RF system for the SNS superconducting linac consists of a superconducting cavity, a klystron, and a low-level RF (LLRF) control system. For a proton linac like SNS, the field in each individual cavity needs to be controlled to meet the…

Accelerator Physics · Physics 2007-05-23 Y. M. Wang , S. I. Kwon , A. H. Regan

Distributed training is a novel approach to accelerate Deep Neural Networks (DNN) training, but common training libraries fall short of addressing the distributed cases with heterogeneous processors or the cases where the processing nodes…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-07-17 Ali HeydariGorji , Siavash Rezaei , Mahdi Torabzadehkashi , Hossein Bobarshad , Vladimir Alves , Pai H. Chou

In order to mitigate the effects of electrical breakdown (which have been found to occur in SLAC X-band traveling wave structures) standing wave structures are being considered for the NLC linac. At SLAC, structures consisting of 15 cells…

Accelerator Physics · Physics 2007-05-23 R. M. Jones , R. H. Miller , J. W. Wang , P. B. Wilson

Future LHC luminosity upgrades will significantly increase the amount of background hits from photons, neutrons and protons in the detectors of the ATLAS muon spectrometer. At the proposed LHC peak luminosity of 5*10^34 1/cm^2s, background…

The Monitored Drift Tubes, as a part of the ATLAS muon spectrometer, are precision drift chambers designed to provide excellent spatial resolution and high tracking efficiency independent of the track angle. Through the life of the LHC and…

Instrumentation and Detectors · Physics 2021-12-15 G. H. Eberwein , O. Kortner , H. Kroha , M. Rendel , P. Rieck , D. Soyk , E. Voevodina , V. Walbrecht

Realization of a short bunch beam by manipulating the longitudinal phase space distribution with a finite longitudinal dispersion following an off-crest accelera- tion is a widely used technique. The technique was applied in a compact test…

The muon detectors of the experiments at the Large Hadron Collider (LHC) have to cope with unprecedentedly high neutron and gamma ray background rates. In the forward regions of the muon spectrometer of the ATLAS detector, for instance,…

Instrumentation and Detectors · Physics 2016-10-04 B. Bittner , J. Dubbert , O. Kortner , H. Kroha , F. Legger , R. Richter , O. Biebel , A. Engl , R. Hertenberger , F. Rauscher

A solid-state laser system that produces a 1MHz pulse train of 800 pulses with 18 mJ per pulse at the wavelength of 263.5 nm has been developed to meet the requirements of the TESLA Test Facility (TTF) at Fermilab and in operation since…

Accelerator Physics · Physics 2007-05-23 Xi Yang

We present the prototype of a time-to-digital (TDC) ASIC for the upgrade of the ATLAS Monitored Drift Tube (MDT) detector for high-luminosity LHC operation. This ASIC is based on a previously submitted demonstrator ASIC designed for timing…

A numerical simulation method of computational fluid dynamics (CFD) coupling with a trim analysis for coaxial rotor systems is described in this paper. The trim analysis is implemented using a rotorcraft flow solver, rFlow3D. Six target…

Fluid Dynamics · Physics 2022-08-19 Hideaki Sugawara , Yasutada Tanabe , Masaharu Kameda

Ensuring nominal asymptotic stability of the Nonlinear Model Predictive Control controller is not trivial. Stabilizing ingredients such as terminal penalty term and terminal region are crucial in establishing the asymptotic stability.…

Systems and Control · Electrical Eng. & Systems 2021-08-03 Chinmay Rajhans , Sowmya Gupta

The linear accelerator (LINAC) at the Los Alamos Neu-tron Science Center (LANSCE) consists of Pre-buncher, Main-Buncher, low-energy beam transport (LEBT), four 201.25-MHz Drift Tube Linacs (DTLs) and forty-four 805-MHz Coupled Cavity Linacs…

Accelerator Physics · Physics 2022-11-15 Sungil Kwon , A. Archuleta , L. Castellano , C. Marchwinski , M. Prokop , P. Van Rooy , P. Torrez

Deep Reinforcement Learning (DRL) emerges as a prime solution for Unmanned Aerial Vehicle (UAV) trajectory planning, offering proficiency in navigating high-dimensional spaces, adaptability to dynamic environments, and making sequential…

Signal Processing · Electrical Eng. & Systems 2024-05-17 Chenrui Sun , Gianluca Fontanesi , Swarna Bindu Chetty , Xuanyu Liang , Berk Canberk , Hamed Ahmadi

Bunches of high charge (up to 10 nC) are compressed in length in the CTF II magnetic chicane to less than 0.2 mm rms. The short bunches radiate coherently in the chicane magnetic field, and the horizontal and longitudinal phase space…

Accelerator Physics · Physics 2014-11-18 H. H. Braun , R. Corsini , L. Groening , F. Zhou , A. Kabel , T. Raubenheimer , R. Li , T. Limberg

The ATLAS Muon Spectrometer is designed to measure the momentum of muons with a resolution of dp/p = 3% and 10% at 100 GeV and 1 TeV momentum respectively. For this task, the spectrometer employs 355,000 Monitored Drift Tubes (MDTs) arrayed…

"LUE200" - 200 MeV electron linac is being created at JINR as a driver of the pulsed neutron source "IREN" [1]. The special full-scale facilities for testing the main systems of LUE-200 (FSTF) are used at JINR, BINP, MEPhI and YerPhI [2].…

Accelerator Physics · Physics 2009-10-05 S. N. Dolya , W. I. Furman , V. V. Kobets , E. M. Laziev , Yu. A. Metelkin , V. A. Shvets , A. P. Soumbaev

This paper aims to implement the six channel redundancy to achieve fault tolerance in testing of satellites with acoustic spectrum. We mainly focus here on achieving fault tolerance. An immediate application is the microphone data…

Other Computer Science · Computer Science 2010-05-07 H. S. Aravinda , H. D. Maheshappa , Ranjan Moodithaya

Flow control occupies a special place in the fields of partial differential equations (PDEs) and control theory, where the complex behavior of solutions of nonlinear dynamics in very high dimension is not just to be understood but also to…

Optimization and Control · Mathematics 2023-06-21 Iasson Karafyllis , Miroslav Krstic

The resolution and efficiency of a precision drift-tube chamber for the ATLAS muon spectrometer with final read-out electronics was tested at the Gamma Irradiation Facility at CERN in a 100 GeV muon beam and at photon irradiation rates of…

Instrumentation and Detectors · Physics 2016-04-06 M. Deile , J. Dubbert , S. Horvat , O. Kortner , H. Kroha , A. Manz , S. Mohrdieck-Moeck , F. Rauscher , R. Richter , A. Staude , W. Stiller

For the CLIC two-beam scheme, a high-current, long-pulse drive beam is required for RF power generation. Taking advantage of the 3 GHz klystrons available at the LEP injector once LEP stops, a 180 MeV electron accelerator is being…

Accelerator Physics · Physics 2007-05-23 G. Carron , E. Jensen , M. Luong , A. Millich , E. Rugo , I. Syratchev , L. Thorndahl