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Depleted Monolithic Active Pixel Sensor (DMAPS) sensors developed in the Tower Semiconductor 180 nm CMOS imaging process have been designed in the context of the ATLAS ITk upgrade Phase-II at the HL-LHC and for future collider experiments.…

A coupled microwave-cavity system of cylindrical TM$_{010}$ single-mode has been developed to search for dark matter axions around 10 $\mu {\rm eV}$(2.4 GHz) with the Rydberg-atom cavity detector at 10 mK range temperature. One component of…

Instrumentation and Detectors · Physics 2007-05-23 M. Tada , Y. Kishimoto , M. Shibata , K. Kominato , I. Ogawa , H. Funahashi , K. Yamamoto , S. Matsuki

Dielectric Assist Accelerating (DAA) structures based on ultralow-loss ceramic are being studied as an alternative to conventional disk-loaded copper cavities. This accelerating structure consists of dielectric disks with irises arranged…

Based on high-throughput density functional theory calculations, we performed screening for stable magnetic MAB compounds and predicted potential strong magnets for permanent magnet and magnetocaloric applications. The thermodynamical,…

This paper presents the findings of the synthesis of multicomponent (Al, W, Ni, Ti, Nb) alloy coatings from mosaic targets. For the study, a pulsed magnetron sputtering method was employed under different plasma generation conditions:…

A proposal for a 10-120 mA proton linac employing superconducting beta-graded, CERN type, four cell cavities at 352 MHz is presented. The high energy part (100 MeV-1 GeV) of the machine is split in three beta-graded sections, and transverse…

acc-phys · Physics 2008-11-26 C. Pagani , G. Bellomo , P. Pierini

An analog crystal filter based cavity emulator is modified with reverse biased varactor diodes to provide a tuning range of around 160 Hz. The piezo drive voltage of the resonance controller is used to detune the cavity through the bias…

Accelerator Physics · Physics 2023-11-13 S. Raman , P. Varghese , B. Chase , S. Ahmed , C. Fulz , P. Hanlet , D. Klepec

The China Fusion Engineering Test Reactor (CFETR) and the Huazhong Field Reversed Configuration (HFRC), currently both under intensive physical and engineering designs in China, are the two major projects representative of the low-density…

There's presently a growing demand for high current proton and deuteron linear accelerators based on superconducting technology to better support various fields of science. A \b{eta}=0.09 162.5 MHz high current superconducting half wave…

Accelerator Physics · Physics 2016-04-12 Hu-Tan-Xiang Zhong , Feng Zhu , Pei-Liang Fan , Sheng-Wen Quan , Ke-Xin Liu

Compact H$^-$ cyclotrons are used all across the globe to produce medical isotopes. Machines with external ion sources have demonstrated average extracted currents on the order of a few mA, although reported operational numbers are…

Accelerator Physics · Physics 2023-03-22 Thomas Planche , Richard A. Baartman , Hui Wen Koay , Yi-Nong Rao , Lige Zhang

There's presently a growing demand for cw high current proton and deuteron linear accelerators based on superconducting technology to better support various fields of science. Up to now, high order modes (HOMs) studies induced by ion beams…

Accelerator Physics · Physics 2017-02-14 H. T. X. Zhong , F. Zhu , S. W. Quan , F. Wang , K. X. Liu

Depleted Monolithic Active Pixel Sensor (DMAPS) prototypes developed in the TowerJazz 180 nm CMOS imaging process have been designed in the context of the ATLAS upgrade Phase-II at the HL-LHC. The pixel sensors are characterized by a small…

The continue wave (CW) high current proton linac has wide applications as the front end of the high power proton machines. The low energy part is the most difficult one and there is no widely accepted solution yet. Based on the analysis of…

Accelerator Physics · Physics 2015-07-14 Zhihui Li

An increasing number of studies are moving towards the combination of quantum mechanics and gravity, where studying gravity from a very small source mass is a viable starting point. Preparing for such experiments, investigations of weak…

Applied Physics · Physics 2025-12-24 Joe Depellette , Ewa Rej , Richa Cutting , Mika A. Sillanpää

The upgrade of the ISOLDE machine at CERN foresees a superconducting linac based on two gap independently phased Nb sputtered Quarter Wave Resonators (QWRs) working at 101.28MHz and producing an accelerating field of 6MV/m on axis. A…

Accelerator Physics · Physics 2009-10-05 A. D'Elia , R. M. Jones , M. Pasini

A multi-laboratory collaboration is studying the feasibility of building a muon collider, the first phase of which maybe a neutrino factory. The phase space occupied by the muons is very large and needs to be cooled several orders of…

Accelerator Physics · Physics 2008-11-26 A. Moretti , N. Holtkamp , T. Jurgens , Z. Qian , V. Wu

Lepton scattering is an established ideal tool for studying inner structure of small particles such as nucleons as well as nuclei. As a future high energy nuclear physics project, an Electron-ion collider in China (EicC) has been proposed.…

A 3.2 MeV injector has been designed and built for the Darht II Project at Los Alamos Lab. The installation of the complete injector system is nearing completion at this time. The requirements for the injector are to produce a 3.2 MeV, 2000…

High Energy Physics - Experiment · Physics 2007-05-23 C. Peters , S. Yu , S. Eylon , W. Ghiorso , E. Henestroza

The technique presented in this paper enables the regulation of both radio frequency amplitude and phase in narrow band devices such as a Superconducting RF (SRF) cavity driven by constant power output devices i.e. magnetrons. The ability…

Accelerator Physics · Physics 2015-06-23 Brian Chase , Ralph Pasquinelli , Ed Cullerton , Philip Varghese

Microwave cavities used in axion haloscope experiments typically employ a tuning rod as a means to widen the range of resonance frequencies at which it is sensitive to axion-to-photon conversion. A realistic tuning mechanism requires a gap…

High Energy Physics - Experiment · Physics 2025-06-12 Byeong Rok Ko , Andrew K. Yi