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Related papers: A New Longitudinal Diagnostics System for CERN's A…

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An innovative digital Low-Level RF (LLRF) family has been developed at CERN and deployed on several circular machines. Operation of CERN's PS Booster (PSB), Low Energy Ion Ring (LEIR) and Extra Low ENergy Antiproton (ELENA) ring all reaped…

Accelerator Physics · Physics 2019-10-16 M. E. Angoletta , S. Albright , A. Findlay , V. R. Myklebust , M. Jaussi , J. C. Molendijk , N. Pittet

Antiprotons, stored and cooled at low energies in a storage ring or at rest in traps, are highly desirable for the investigation of a large number of basic questions on fundamental interactions. This includes the static structure of…

Accelerator Physics · Physics 2016-06-22 Javier Resta-Lopez , James R. Hunt , Carsten P. Welsch

The upcoming operation of the Extra Low ENergy Antiprotons (ELENA) ring at CERN, the upgrade of the anti-proton decelerator (AD), and the installation in the AD hall of an intense slow positron beam with an expected flux of $10^{8}$ e$^+$/s…

Atomic Physics · Physics 2016-09-21 P. Crivelli , D. Cooke , M. W. Heiss

The new beam profile measurement for the Antiproton Decelerator (AD) at CERN is based on a single Gas Electron Multiplier (GEM) with a 2D readout structure. This detector is very light, ~0.4% X_0, as required by the low energy of the…

Instrumentation and Detectors · Physics 2012-08-31 Serge Duarte Pinto , Philippe Carrière , Jens Spanggaard , Gerard Tranquille

The new beam profile measurement for the Antiproton Decelerator (AD) at CERN is based on a single Gas Electron Multiplier (GEM) with a 2D readout structure. This detector is very light, ~0.4% X0, as required by the low energy of the…

Instrumentation and Detectors · Physics 2012-03-20 Serge Duarte Pinto , Rhodri Jones , Leszek Ropelewski , Jens Spanggaard , Gerard Tranquille

With electron beam durations down to femtoseconds and sub-femtoseconds achievable in current state-of-the-art accelerators, longitudinal bunch length diagnostics with resolution at the attosecond level are required. In this paper, we…

This paper describes measurements of the hyperfine structure of two antiprotonic atoms that are planned at the Antiproton Decelerator (AD) at CERN. The first part deals with antiprotonic helium, a three-body system of alpha-particle,…

The CERN AD/ELENA Antimatter program studies the fundamental charge, parity, time (CPT) reversal invariance through high-precision studies of antiprotons, antihydrogen, and antiprotonic atoms. Utilizing the world-unique Antiproton…

Nuclear Experiment · Physics 2025-04-01 R. Caravita , A. Cridland Mathad , J. S. Hangst , M. Hori , B. M. Latacz , A. Obertelli , P. Perez , S. Ulmer , E. Widmann

The new beam profile measurement for the Antiproton Decelerator (AD) at CERN is based on a single Gas Electron Multiplier (GEM) with a 2D readout structure. This detector is very light (~0.4% X0), and measures horizontal and vertical…

Instrumentation and Detectors · Physics 2012-03-20 Serge Duarte Pinto , Rhodri Jones , Leszek Ropelewski , Jens Spanggaard , Gerard Tranquille

CERN has a longstanding tradition of pursuing fundamental physics on extreme low and high energy scales. The present physics knowledge is successfully described by the Standard Model and the General Relativity. In the anti-matter regime…

Accelerator Physics · Physics 2015-06-23 W. Oelert

The Anti-Matter Factory at CERN is gearing up, commissioning of the Extra Low ENergy Antiprotons (ELENA) ring is ongoing and the first anti-protons are foreseen to circulate in the decelerator very soon. The unprecedented flux of low energy…

Atomic Physics · Physics 2017-10-06 P. Crivelli , N. Kolachevsky

The Antiproton Decelerator (AD) at CERN provides antiproton bunches with a kinetic energy of 5.3 MeV. The Extra-Low ENergy Antiproton ring at CERN, commissioned at the AD in 2018, now supplies a bunch of electron-cooled antiprotons at a…

Longitudinal bunch profile monitoring is a crucial diagnostic requirement in most accelerator facilities. This is particularly true in modern free-electron lasers and novel acceleration schemes, where bunch lengths are often <100 fs and…

Antiprotonic helium, a neutral exotic three-body system consisting of a helium nucleus, an electron and an antiproton, is being studied at the Antiproton Decelerator of CERN by the ASAUCSA collaboration. Using laser spectroscopy of the…

Atomic Physics · Physics 2007-05-23 Eberhard Widmann

Experiments with low-energy antiprotons are currently performed at the Antiproton Decelerator of CERN. The main experiments deal with the spectroscopy of antiprotonic helium, an exotic three-body system, and the formation and spectroscopy…

High Energy Physics - Experiment · Physics 2010-03-09 E. Widmann

The measurement of the longitudinal behavior of the accelerated particle beams at Fermilab is crucial to the optimization and control of the beam and the maximizing of the integrated luminosity for the particle physics experiments.…

Instrumentation and Detectors · Physics 2011-10-19 R. Thurman-Keup , C. Bhat , W. Blokland , J. Crisp , N. Eddy , B. Fellenz , R. Flora , A. Hahn , S. Hansen , T. Kiper , A. Para , S. Pordes , A. V. Tollestrup

Longitudinal properties of electron bunches are critical for the performance of a wide range of scientific facilities. In a free-electron laser, for example, the existing diagnostics only provide very limited longitudinal information of the…

Accelerator Physics · Physics 2022-10-19 J. Zhu , N. M. Lockmann , M. K. Czwalinna , H. Schlarb

Bunch-by-bunch longitudinal diagnostics is a key issue of modern accelerators. To face up this challenging demand, tests of mid-IR compact uncooled photoconductive HgCdTe detectors have been recently performed at DAFNE. Different devices…

A system was developed for bunch-by-bunch detection of transverse proton and antiproton coherent oscillations based on the signal from a single beam-position monitor (BPM) located in a region of the ring with large amplitude functions. The…

Accelerator Physics · Physics 2012-02-02 G. Stancari , A. Valishev , A. Semenov
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