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Integrable optics is an innovation in particle accelerator design that enables strong nonlinear focusing without generating parametric resonances. We use the Synergia tracking code to investigate the application of integrable optics to…

Accelerator Physics · Physics 2018-05-08 J. Eldred , A. Valishev

Fermilab Booster synchrotron requires an intensity upgrade from 4.5x1012 to 6.5x1012 protons per pulse as a part of Fermilab's Proton Improvement Plan-II (PIP-II). One of the factors which may limit the high-intensity performance is the…

Accelerator Physics · Physics 2023-07-21 S. A. K. Wijethunga , N. Eddy , J. Eldred , C. Y. Tan , B. Fellenz , E. Pozdeyev , R. V. Sharankova

Fermilab Booster synchrotron requires an intensity upgrade from 4.5x1012 to 6.5x1012 protons per pulse as a part of Fermilabs Proton Improvement Plan-II (PIP-II). One of the factors which may limit the high-intensity performance is the fast…

Accelerator Physics · Physics 2022-08-10 S. A. K. Wijethunga , J. Eldred , C. Y. Tan , E. Pozdeyev

Laser cooling of relativistic heavy ion beams of Li-like C$^{3+}$ and O$^{4+}$ is being in preparation at the experimental Cooler Storage Ring (CSRe). Recently, a preparatory experiment to test important prerequisites for laser cooling of…

We discuss the progress made on a new installation in Fermilab's Main Injector that will help investigate the electron cloud phenomenon by making direct measurements of the secondary electron yield (SEY) of samples irradiated in the…

Accelerator Physics · Physics 2013-01-30 D. J. Scott , D. Capista , K. L. Duel , R. M. Zwaska , S. Greenwald , W. Hartung , Y. Li , T. P. Moore , M. A. Palmer , R. Kirby , M. Pivi , L. Wang

This paper describes a comprehensive experimental study on viability and prospects for the measurement of electroweak observables in $e^{+}e^{-}\rightarrow b\bar{b}$ and $e^{+}e^{-}\rightarrow c\bar{c}$ processes at the International Linear…

High Energy Physics - Experiment · Physics 2023-12-20 A. Irles , R. Pöschl , F. Richard

The Compact Linear Collider (CLIC) is a multi-TeV high-luminosity linear e$^+$e$^-$-collider under development by the CLIC accelerator collaboration, hosted by CERN. The CLIC accelerator has been optimised for three energy stages at…

We are proposing to test experimentally the new idea of Enhanced Optical Cooling (EOC) in an electron storage ring. This experiment will confirm new fundamental processes in beam physics and will demonstrate new unique possibilities with…

Accelerator Physics · Physics 2008-11-26 E. G. Bessonov , M. V. Gorbunkov , A. A. Mikhailichenko

Cooling of beams circulating in storage rings is critical for many applications including particle colliders and synchrotron light sources. A method enabling unprecedented beam-cooling rates, optical stochastic cooling (OSC), was recently…

We present the Cosmic Evolution Early Release Science (CEERS) Survey, a 77.2 hour Director's Discretionary Early Release Science Program. CEERS demonstrates, tests, and validates efficient extragalactic surveys using coordinated,…

Astrophysics of Galaxies · Physics 2025-01-09 Steven L. Finkelstein , Micaela B. Bagley , Pablo Arrabal Haro , Mark Dickinson , Henry C. Ferguson , Jeyhan S. Kartaltepe , Dale D. Kocevski , Anton M. Koekemoer , Jennifer M. Lotz , Casey Papovich , Pablo G. Perez-Gonzalez , Nor Pirzkal , Rachel S. Somerville , Jonathan R. Trump , Guang Yang , L. Y. Aaron Yung , Adriano Fontana , Andrea Grazian , Norman A. Grogin , Lisa J. Kewley , Allison Kirkpatrick , Rebecca L. Larson , Laura Pentericci , Swara Ravindranath , Stephen M. Wilkins , Omar Almaini , Ricardo O. Amorin , Guillermo Barro , Rachana Bhatawdekar , Laura Bisigello , Madisyn Brooks , Fernando Buitrago , Antonello Calabro , Marco Castellano , Yingjie Cheng , Nikko J. Cleri , Justin W. Cole , M. C. Cooper , Olivia R. Cooper , Luca Costantin , Isa G. Cox , Darren Croton , Emanuele Daddi , Kelcey Davis , Avishai Dekel , David Elbaz , Vital Fernandez , Seiji Fujimoto , Giovanni Gandolfi , Jonathan P. Gardner , Eric Gawiser , Mauro Giavalisco , Carlos Gomez-Guijarro , Yuchen Guo , Ansh R. Gupta , Nimish P. Hathi , Santosh Harish , Aurelien Henry , Michaela Hirschmann , Weida Hu , Taylor A. Hutchison , Kartheik G. Iyer , Anne E. Jaskot , Saurabh W. Jha , Intae Jung , Vasily Kokorev , Peter Kurczynski , Gene C. K. Leung , Mario Llerena , Arianna S. Long , Ray A. Lucas , Shiying Lu , Elizabeth J. McGrath , Daniel H. McIntosh , Emiliano Merlin , Alexa M. Morales , Lorenzo Napolitano , Fabio Pacucci , Viraj Pandya , Marc Rafelski , Giulia Rodighiero , Caitlin Rose , Paola Santini , Lise-Marie Seille , Raymond C. Simons , Lu Shen , Amber N. Straughn , Sandro Tacchella , Brittany N. Vanderhoof , Jesus Vega-Ferrero , Benjamin J. Weiner , Christopher N. A. Willmer , Peixin Zhu , Eric F. Bell , Stijn Wuyts , Benne W. Holwerda , Xin Wang , Weichen Wang , Jorge A. Zavala

The proposed method exploits charged particles confined as a storage ring beam (proton, deuteron, possibly $^3$He) to search for an intrinsic electric dipole moment (EDM) aligned along the particle spin axis. Statistical sensitivities could…

The effect of ions has received one of the highest priorities in R&D for the damping rings of the International Linear Collider(ILC). It is detrimental to the performance of the electron damping ring. In this note, an update concerning the…

Accelerator Physics · Physics 2009-02-16 Guoxing Xia , Eckhard Elsen

Modern and future particle accelerators employ increasingly higher intensity and brighter beams of charged particles and become operationally limited by coherent beam instabilities. Usual methods to control the instabilities, such as…

Accelerator Physics · Physics 2017-10-04 Vladimir Shiltsev , Yuri Alexahin , Alexey Burov , Alexander Valishev

When the electrons stored in the ring of the European Synchrotron Radiation Facility (ESRF, Grenoble) scatter on a laser beam (Compton scattering in flight) the lower energy of the scattered electron spectra, the Compton Edge (CE), is given…

The use of transverse electric (TE) waves has proved to be a powerful, noninvasive method for estimating the densities of electron clouds formed in particle accelerators. Results from the plasma simulation program VORPAL have been a useful…

Accelerator Physics · Physics 2015-06-18 Kiran G. Sonnad , Kenneth Hammond , Robert Schwartz , Seth Veitzer

The Storage Ring EDM Collaboration is completing a comprehensive proposal to DOE for a sensitive proton EDM experiment at the 10-29e\cdot cm level. This involves building an electric ring of radius R~40 m, with bending provided by stainless…

Accelerator Physics · Physics 2019-08-13 Yannis K. Semertzidis

The CMS experiment will comprise several very large high resolution detectors for physics. Each detector may be constructed of well over a million parts and will be produced and assembled during the next decade by specialised centres…

Instrumentation and Detectors · Physics 2007-05-23 J-M Le Goff , J-P Vialle , A Bazan , T Le Flour , S Lieunard , D Rousset , R McClatchey , N Baker , H Heath , Z Kovacs , E Leonardi , G Barone , G Organtini

The CERN Large Hadron Collider (LHC) is designed to collide proton beams of unprecedented energy, in order to extend the frontiers of high-energy particle physics. During the first very successful running period in 2010--2013, the LHC was…

Electron-ion collision spectroscopy at heavy-ion storage rings aims at precision measurements of resonance features that occur in the cross sections of electron collision processes such as electron-impact ionization of ions or electron-ion…

The CALICE collaboration has constructed a highly granular hadronic sampling calorimeter prototype with small scintillator tiles individually read out by silicon photomultipliers (SiPM) to evaluate technologies for the ILC. The imaging…

Instrumentation and Detectors · Physics 2019-08-13 Shaojun Lu