English
Related papers

Related papers: Master Oscillator and Phase Reference Line Design …

200 papers

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

The scalar -- isoscalar pi-pi phase shifts are analysed using a separable potential model of three coupled channels (pipi, KK and an effective 2pi2pi system). Model parameters are fitted to two sets of solutions obtained in a recent…

High Energy Physics - Phenomenology · Physics 2009-10-30 R. Kaminski , L. Lesniak , B. Loiseau

This paper presents a fundamental analysis connecting phase noise and long-term frequency accuracy of oscillators and explores the possibilities and limitations in crystal-less frequency calibration for wireless edge nodes from a…

Signal Processing · Electrical Eng. & Systems 2021-05-25 Xing Chen , David D Wentzloff

We present two prototypes of a gigabit transceiver ASIC, GBCR1 and GBCR2, both designed in a 65-nm CMOS technology for the ATLAS Inner Tracker Pixel Detector readout upgrade. The first prototype, GBCR1, has four upstream receiver channels…

Phase locking experiments on vortex based spin transfer oscillators with an external microwave current are performed. We present clear evidence of phase locking, frequency pulling, as well as fractional synchronization in this system, with…

The project of a10MeV PET cyclotron accelerator for medical diagnosis and treatment was started at Amirkabir University of Technology in 2012. The low-level RF system of cyclotron accelerator is designed to stabilize acceleration voltage…

Accelerator Physics · Physics 2015-04-22 M. S. Sharifi Asadi Malafeh , M. Ghergherehchi , H. Afarideh , J. S. Chai

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

We examine the effect of the phase-resetting curve (PRC) on the transfer of correlated input signals into correlated output spikes in a class of neural models receiving noisy, super-threshold stimulation. We use linear response theory to…

Neurons and Cognition · Quantitative Biology 2015-05-13 Andrea K. Barreiro , Eric Shea-Brown , Evan L. Thilo

We propose a method for designing two-dimensional limit-cycle oscillators with prescribed periodic trajectories and phase response properties based on the phase reduction theory, which gives a concise description of weakly-perturbed…

Chaotic Dynamics · Physics 2024-04-30 Norihisa Namura , Tsubasa Ishii , Hiroya Nakao

PIP-II beam transfer line (BTL) to transport the beam from PIP-II Linac to the Booster ring at Fermilab. One crucial aspect of the BTL design involved the implementation of collimators. These collimators play a vital role in removing large…

Accelerator Physics · Physics 2023-12-15 M. Xiao , F. Ostiguy , D. Johnson

In a recent paper we proposed to build an x-ray laser oscillator (XLO) in the 6-10 keV range providing intense, stable, transform-limited, x-ray pulses based on population inversion driven by an x-ray pulse train generated by an x-ray…

Accelerator Physics · Physics 2024-01-09 Claudio Pellegrini , Aliaksei Halavanau , Andrei Benediktovitch , Uwe Bergmann

High-precision optical pulse trains distribution via fibre links has made huge impacts in many fields. In most published works, the accuracies are still fundamentally limited by some unavoidable noises, such as thermal and shot noise from…

Optics · Physics 2014-02-25 B. Ning , S. Y. Zhang , D. Hou , J. T. Wu , Z. B. Li , J. Y. Zhao

Processing sensor data with spiking neural networks on digital neuromorphic chips requires converting continuous analog signals into spike pulses. Two strategies are promising for achieving low energy consumption and fast processing speeds…

Emerging Technologies · Computer Science 2023-10-04 Javier Lopez-Randulfe , Nico Reeb , Alois Knoll

The central part of PIP-II program of upgrades pro-posed for the Fermilab injection complex is an 800 MeV, 2 mA, CW-compatible SRF linac. Acceleration in super-conducting cavities begins from a low energy of 2.1 MeV, so that the first…

Accelerator Physics · Physics 2019-12-09 A. Chen , R. Andrews , C. Baffes , D. Lambert , L. Prost , A. Shemyakin , T. Zuchnik

The Fermilab Linac experiences longitudinal beam phase drift, leading to increased particle loss, conventionally corrected through labor-intensive manual RF adjustments. This project explores machine learning-based automation for drift…

Accelerator Physics · Physics 2025-11-25 R. R. Chichili , J. A. Sulskis , R. Sharankova , B. Vamanan , S. Ravi

The Proton Improvement Plan, Stage Two (PIP-II) is a program of upgrades proposed for the Fermilab injection complex, which central part is an 800 MeV, 2 mA CW SRF linac. A prototype of the PIP-II linac front end called PIP-II Injector Test…

Accelerator Physics · Physics 2018-08-28 A. Shemyakin , J. -P. Carneiro , B. Hanna , V. Lebedev , L. Prost , A. Saini , V. Scarpine , V. L. S. Sista , C. Richard

We developed a new front-end application specific integrated circuit (ASIC) for the upgrade of the Maia x-ray microprobe. The ASIC instruments 32 configurable front-end channels that perform either positive or negative charge amplification,…

The optoelectronic fiber delay line microwave oscillator offers attractive and large potential for numerous applications in high speed fiber optics communication, space, and radar systems. Its relevant features are very low phase noise and…

Optics · Physics 2008-09-25 K. Volyanskiy , Y. K. Chembo , L. Larger , E. Rubiola

The Proton Improvement Plan-II (PIP-II [1]) linac will include 35 Single Spoke Resonators type 2 (SSR2). A preproduction SSR2 cryomodule will contain 5 jacketed cavities. Several units are already manufactured and prepared for cold testing.…

Accelerator Physics · Physics 2023-07-19 M. Parise , D. Passarelli , P. Berrutti , D. Longuevergne , P. Duchesne

Reasonable vibration reduction design is an important way to achieve low phase noise index of airborne frequency source output signal. Aiming at the problem of phase noise deterioration of an airborne frequency source under random…

Systems and Control · Electrical Eng. & Systems 2024-07-17 Liwei Yin , Yongjiang Shu , Heng Zhang , Yuefei Dai , Xiaopeng Lu , Yunlong Lian , Zhonghua Wang , Yong Ding