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Related papers: Injection Feedback for a Storage Ring

200 papers

Orbit feedback system plays crucial roles for the operation of the 3rd generation light source. There are various issues in orbit feedback system should be addressed to achieve ultimate performance. The orbit feedback system in SRRC is…

Instrumentation and Detectors · Physics 2007-05-23 C. H. Kuo , Jenny Chen , C. J. Wang , K. H. Hu , C. S. Chen , K. T. Hsu

The Duke storage ring is a dedicated driver for the storage ring based oscillator free-electron lasers (FELs), and the High Intensity Gamma-ray Source (HIGS). It is operated with a beam current ranging from about 1 mA to 100 mA per bunch…

Accelerator Physics · Physics 2013-11-20 Xu Wei , Li Jing-Yi , Huang Sen-Lin , W. Z. Wu , H. Hao , P. Wang , Y. K. Wu

A portion of the remnant Tevatron program infrastructure at Fermilab is being reconfigured to be used for the generation and delivery of proton and muon beams for new high-precision particle physics experiments. With the 8 GeV Booster as…

Accelerator Physics · Physics 2016-12-23 J. A. Johnstone , M. J. Syphers

Realistic simulations of experiments at large scale photon facilities, such as optical laser laboratories, synchrotrons, and free electron lasers, are of vital importance for the successful preparation, execution, and analysis of these…

The Super Proton Synchrotron (SPS) injection system plays a fundamental role to preserve the quality of injected high-brightness beams for the Large Hadron Collider (LHC) physics program and to maintain the maximum storable intensity. The…

We study a feedback scheme to stabilize an arbitrary photon number state in a microwave cavity. The quantum non-demolition measurement of the cavity state allows a non-deterministic preparation of Fock states. Here, by the mean of a…

Optimization and Control · Mathematics 2010-11-11 Hadis Amini , Mazyar Mirrahimi , Pierre Rouchon

A high-performance time-of-flight (TOF) MRPC wall is being built for the CBM experiment at FAIR for charged hadron identification. The detector control system for the TOF system will be based on EPICS. All components like power supplies for…

Instrumentation and Detectors · Physics 2021-02-03 S. Dong , G. M. Huang , J. Frühauf , P. -A. Loizeau , I. Deppner , N. Herrmann , D. Wang

Coupled-bunch instabilities excited by the interaction of the particle beam with its surroundings can seriously limit the performance of circular particle accelerators. These instabilities can be cured by the use of active feedback systems…

Accelerator Physics · Physics 2016-01-21 M. Lonza , H. Schmickler

In this paper we investigate "Warm Electron Injection" as a mechanism for NOR programming of double-gate SONOS memories through 2D full band Monte Carlo simulations. Warm electron injection is characterized by an applied VDS smaller than…

Mesoscale and Nanoscale Physics · Physics 2011-01-04 G. Giusi , G. Iannaccone , U. Ravaioli

Torque control enables agile and robust robot motion, but deployment is often hindered by instability and hardware limits. Here, we present a novel solution to execute whole-body linear feedback at up to 40 kHz on open-source hardware. We…

Positron Emission Tomography (PET) enables functional imaging of deep brain structures, but the bulk and weight of current systems preclude their use during many natural human activities, such as locomotion. The proposed long-term solution…

Robotics · Computer Science 2023-12-07 Junxiang Wang , Ti Wu , Iulian I. Iordachita , Peter Kazanzides

In inertial confinement fusion (ICF), Thomson scattering (TS) is a widely used diagnostic technique for probing plasma conditions. We present a first-principles numerical approach to obtaining scattered light signals of ion acoustic…

The Relativistic Electron Facility for Education and Research (REFER) at Hiroshima University accepts a 150 MeV electron beam from a microtron, the injector to the 700 MeV storage ring of the Hiroshima Synchrotron Research Center, and keep…

Accelerator Physics · Physics 2007-05-23 T. Ohgaki , I. Endo , M. Andreyashikin , K. Chouffani , K. Goto , S. Masuda , K. Matsukado , T. Takahashi , K. Yoshida

In order to recuperate the ultra-high purity xenon from PandaX-4T dark matter detector to high-pressure gas cylinders in emergency or at the end-of-run situation, a high speed ultra-high purity xenon recuperation system is designed and…

Instrumentation and Detectors · Physics 2022-09-16 Zhou Wang , Wenbo Ma , Tao Zhang , Li Zhao , Shuaijie Li , Xiangyi Cui , Jianglai Liu , Changbo Fu , Yonglin Ju , Qing Lin , Xiaohua Chen , Xun Chen , Xiuli Wang

We present a modular and thermodynamically consistent modeling framework for simulating steady-state and transient behavior in fixed-bed reactors. Accurate simulation of dynamic reactor behavior is essential for enabling flexible operation…

Dynamical Systems · Mathematics 2026-04-27 Marcus Johan Schytt , John Bagterp Jørgensen

Sensorless control of Permanent-Magnet Synchronous Motors at low velocity remains a challenging task. A now well-established method consists in injecting a high-frequency signal and use the rotor saliency, both geometric and…

Optimization and Control · Mathematics 2012-03-27 Al Kassem Jebai , François Malrait , Philippe Martin , Pierre Rouchon

We performed an analysis of coherence properties of the 4-th generation high-energy storage rings with emittance values of 10 pmrad. It is presently expected that a storage ring with these low emittance values will reach diffraction limit…

Optics · Physics 2019-11-12 R. Khubbutdinov , A. P. Menushenkov , I. A. Vartanyants

We present a method for precise monitoring of the loop gain of transition edge sensors (TES) under electrothermal feedback. The measurement is implemented on the ICE DfMux electronics and operates simultaneously with Digital Active Nulling…

Instrumentation and Methods for Astrophysics · Physics 2024-07-08 T. de Haan , T. Adkins , M. Hazumi , D. Kaneko , J. Montgomery , G. Smecher , A. Suzuki , Y. Zhou

Many important chemical and biochemical processes in the condensed phase are notoriously difficult to simulate numerically. Often this difficulty arises from the complexity of simulating dynamics resulting from coupling to structured,…

The complex non-linear processes in multi-dimensional parameter spaces, that are typical for an accelerator, are a natural application for machine learning algorithms. This paper reports on the use of Bayesian optimization for the…

Accelerator Physics · Physics 2023-04-26 A. Awal , J. Hetzel , R. Gebel , V. Kamerdzhiev , J. Pretz