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Related papers: Injection Feedback for a Storage Ring

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In the framework of the "LHC Injectors Upgrade" (LIU) project, the CERN Proton Synchrotron (PS) is being prepared as a pre-injector for the Large Hadron Collider at high luminosity (HL-LHC). RF systems at 20 MHz, 40 MHz and 80 MHz are…

Accelerator Physics · Physics 2019-10-16 Florian Bertin , Ylenia Brischetto , Heiko Damerau , Azeddine Jibar , Damien Perrelet

The PandaX-xT is a next-generation experiment with broad scientific goals, including the search for dark matter, Neutrinoless Double Beta Decay, and astrophysical neutrinos, using a dual-phase time projection chamber with about 43 tons of…

Instrumentation and Detectors · Physics 2026-04-09 Xu Wang , Li Zhao , Xiang Xiao , Xiangyi Cui , Shuaijie Li , Jianglai Liu

A number of recent developments have led to simulations of an inverse cyclotron for cooling intense muon beams for neutrino factories and muon colliders. Such a device could potentially act as a novel beam cooling mechanism for muons, and…

Accelerator Physics · Physics 2010-12-06 Kevin Paul , Estelle Cormier-Michel , Terrence Hart , Donald Summers

The scale of liquid xenon experiments for rare events searching is expanding, which is planned even to fifty tons level. The detector and distillation tower require a reliable cooling source with large cooling power at liquid xenon…

Instrumentation and Detectors · Physics 2025-06-13 Tao Zhan , Jianglai Liu , Yang Liu , Weihao Wu , Binbin Yan , Zhou Wang

A method is presented for accelerating inference in transformer language models by exploiting the low effective rank of the token activation manifold at each layer. The method decomposes each activation vector into a subspace component and…

Machine Learning · Computer Science 2026-05-06 Stephen J. Thomas

We report the design and test results of a beam monitor developed for online monitoring in hadron therapy. The beam monitor uses eight silicon pixel sensors, \textit{Topmetal-${II}^-$}, as the anode array. \textit{Topmetal-${II}^-$} is a…

Instrumentation and Detectors · Physics 2017-01-20 Zhen Wang , Shuguang Zou , Yan Fan , Jun Liu , Xiangming Sun , Dong Wang , Huili Kang , Daming Sun , Ping Yang , Hua Pei , Guangming Huang , Nu Xu , Chaosong Gao , Le Xiao

In order to solve the continuous large cooling power supply problem (20 kW) for the radon-removal cryogenic distillation system, which operates at high liquid ffow rate of 856 kg/h (5 LPM) for the dark matter detector PandaX-xT of the…

Real-time scheduling algorithms proposed in the literature are often based on worst-case estimates of task parameters. The performance of an open-loop scheme can be degraded significantly if there are uncertainties in task parameters, such…

Operating Systems · Computer Science 2017-10-13 Mason Thammawichai , Eric C. Kerrigan

Quantum feedback is a technique for measuring a qubit and applying appropriate feedback depending on the measurement results. Here, we propose a new on-chip quantum feedback method where the measurement-result information is not taken from…

Quantum Physics · Physics 2015-09-03 K. Kakuyanagi , A. Kemp , T. Baba , Y. Matsuzaki , H. Nakano , K. Semba , S. Saito

We consider a possible route to ground state cooling of a levitated nanoparticle, magnetically trapped by a strong permanent magnet, using a combination of measurement and feedback. The trap frequency of this system is much lower than those…

Quantum Physics · Physics 2019-12-18 L. S. Walker , G. R. M. Robb , A. J. Daley

This work introduces novel training and post-training compression schemes to reduce external memory access during transformer model inference. Additionally, a new control flow mechanism, called dynamic batching, and a novel buffer…

Hardware Architecture · Computer Science 2025-03-04 Seunghyun Moon , Mao Li , Gregory Chen , Phil Knag , Ram Krishnamurthy , Mingoo Seok

This paper proposes a computationally efficient simulation strategy for cold thermal energy storage (TES) systems based on phase change material (PCM). Taking as a starting point the recent design of a TES system based on PCM, designed to…

Systems and Control · Electrical Eng. & Systems 2024-02-07 G. Bejarano , M. Vargas , M. G. Ortega , F. Castaño , J. E. Normey-Rico

Precise object manipulation and placement is a common problem for household robots, surgery robots, and robots working on in-situ construction. Prior work using computer vision, depth sensors, and reinforcement learning lacks the ability to…

Robotics · Computer Science 2024-04-30 Osher Lerner , Zachary Tam , Michael Equi

Feedback systems are essential for stable operation of a linear collider, providing a cost-effective method for relaxing tight tolerances. In the Stanford Linear Collider (SLC), feedback controls beam parameters such as trajectory, energy,…

Accelerator Physics · Physics 2016-11-17 L. Hendrickson , P. Grossberg , T. Himel , M. Minty , N. Phinney , P. Raimondi , T. Raubenheimer , H. Shoaee , P. Tenenbaum

We present the design and the test results of a quad-channel optical transceiver module (QTRx) possibly for future particle physics experiments. The transmitters of QTRx, each at 10 Gbps, are based on a Quad-channel VCSEL Diode array Driver…

Instrumentation and Detectors · Physics 2022-05-25 B. Deng , X. Huang , H. Sun , C. -P. Chao , S. -W. Chen , D. Gong , S. Hou , G. Huang , C. -Y. Li , C. Liu , T. Liu , Q. Sun , J. Ye , L. Zhang , W. Zhang

The precise reconstruction of Compton-scatter events is paramount for an imaging medium-energy gamma-ray telescope. The proposed AMEGO-X is enabled by a silicon tracker utilizing AstroPix chips - a pixelated silicon HVCMOS sensor novel for…

In this Letter, we report on the concept and analysis of a low-emittance electron storage ring, in which the electron beams undergo an early-stage self-amplified spontaneous emission lasing process on a turn-by-turn basis. The lasing…

Accelerator Physics · Physics 2023-09-06 Kaishang Zhou , Renkai Li , Zhenghe Bai

On-line monitoring of beam quality for high brightness beams is only possible using non-invasive instruments. For matching measurements, very few such instruments are available. One candidate is a quadrupole pick-up. Therefore, a new type…

Accelerator Physics · Physics 2009-11-07 Andreas Jansson

Magnet errors in storage rings significantly degrade beam performance, impacting the brightness and stability of the light source. Therefore, beam-based correction is crucial for the safe operation of machines and the stability of radiated…

Accelerator Physics · Physics 2025-12-18 Jianhao Xu
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