262 citations · 657 across the 40 of their papers we have counts for
30 papers · 1 filter
Design and Operation of a 3-Crystal Multi-Volume Reflection Array for Loss Reduction in CERN SPS Slow Extraction
F. M. Velotti, M. Bay, T. Calvet +10
The flux of protons slow-extracted from the CERN Super Proton Synchrotron (SPS) to the North Area experiments is limited by the induced radioactivity of the beam lost on the electr…
Flow-based surrogate models for particle tracking
Matthias Remta, Yann Dutheil, Francesco Velotti
Particle tracking is a fundamental tool for particle-accelerator design and optimisation. Conventional tracking routines provide high accuracy but are computationally demanding, es…
Particle tracking with physics-informed deep learning methods
Matthias Remta, Anja Beck, Shanthalakshmi Kilambi +2
Simulating the motion of charged particles in electromagnetic fields is essential for designing and optimising particle accelerators. Conventional tools rely on symplectic integrat…
Proof-of-principle experiment of a novel beam extraction over millions of turns using stable resonance islands and bent crystal
D. E. Veres, P. Arrutia, S. Cettour Cave +6
A recent study [1] has introduced an advanced method aimed at extracting from a circular particle accelerator over millions of turns using stable islands and a bent crystal. This t…
Differentiable simulations for particle tracking in accelerators: analysis, benchmarking and optimization
Francisco Huhn, Francesco M. Velotti
Optimization of beamlines and lattices is a common problem in accelerator physics, which is usually solved with semi-analytical methods and numerical optimization routines. However…
Design and early operation of a new-generation internal beam dump for CERN's Super Proton Synchrotron
A. Romero Francia, A. Perillo Marcone, S. Pianese +22
The Super Proton Synchrotron (SPS) is the last stage in the injector chain for CERN's Large Hadron Collider, and it also provides proton and ion beams for several fixed-target expe…
Automatic setup of 18 MeV electron beamline using machine learning
Francesco Maria Velotti, Brennan Goddard, Verena Kain +3
To improve the performance-critical stability and brightness of the electron bunch at injection into the proton-driven plasma wakefield at the AWAKE CERN experiment, automation app…
Design of a new SPS injection system via numerical optimisation
E. Waagaard, M. J. Barnes, W. Bartmann +6
The Super Proton Synchrotron (SPS) injection system plays a fundamental role to preserve the quality of injected high-brightness beams for the Large Hadron Collider (LHC) physics p…
The AWAKE Run 2 programme and beyond
Edda Gschwendtner, Konstantin Lotov, Patric Muggli +99
Plasma wakefield acceleration is a promising technology to reduce the size of particle accelerators. Use of high energy protons to drive wakefields in plasma has been demonstrated…
Millisecond burst extractions from synchrotrons using RF phase displacement acceleration
Pablo A. Arrutia Sota, Philip N. Burrows, Matthew A. Fraser +1
FLASH radiation therapy calls for the delivery of fast bursted spills of particles with dose delivery times of the order of milliseconds. The requirements overlap with fundamental…
Design of the AWAKE Run 2c transfer lines using numerical optimizers
Rebecca Ramjiawan, Vittorio Bencini, Steffen Doebert +5
The Advanced Wakefield (AWAKE) Experiment is a proof-of-principle experiment demonstrating the acceleration of electron beams via proton-driven plasma wakefield acceleration. AWAKE…
Injection tolerances and self-matching in a quasilinear wakefield accelerator
John P. Farmer, Linbo Liang, Rebecca Ramjiawan +4
Particle acceleration in a quasilinear plasma wake provides access to high acceleration gradients while avoiding self-trapping of the background electrons. However, the plasma resp…
Analysis of Proton Bunch Parameters in the AWAKE Experiment
V. Hafych, A. Caldwell, R. Agnello +85
A precise characterization of the incoming proton bunch parameters is required to accurately simulate the self-modulation process in the Advanced Wakefield Experiment (AWAKE). This…
Proton beam defocusing in AWAKE: comparison of simulations and measurements
A. A. Gorn, M. Turner, E. Adli +96
In 2017, AWAKE demonstrated the seeded self-modulation (SSM) of a 400 GeV proton beam from the Super Proton Synchrotron (SPS) at CERN. The angular distribution of the protons defle…
Experimental Study of Wakefields Driven by a Self-Modulating Proton Bunch in Plasma
M. Turner, P. Muggli, the AWAKE Collaboration
We study experimentally the longitudinal and transverse wakefields driven by a highly relativistic proton bunch during self-modulation in plasma. We show that the wakefields' growt…
The hadronic beamline of the ENUBET neutrino beam
ENUBET collaboration, C. Delogu, F. Acerbi +57
The ENUBET ERC project (2016-2021) is studying a facility based on a narrow band beam capable of constraining the neutrino fluxes normalization through the monitoring of the associ…
Online Multi-Objective Particle Accelerator Optimization of the AWAKE Electron Beam Line for Simultaneous Emittance and Orbit Control
Alexander Scheinker, Simon Hirlaende, Francesco Maria Velotti +4
Multi-objective optimization is important for particle accelerators where various competing objectives must be satisfied routinely such as, for example, transverse emittance vs bun…
Predicting the Trajectory of a Relativistic Electron Beam for External Injection in Plasma Wakefields
Felipe Peña Asmus, Francesco Maria Velotti, Marlene Turner +5
We use beam position measurements over the first part of the AWAKE electron beamline, together with beamline modeling, to deduce the beam average momentum and to predict the beam p…
SPS Beam Dump Facility -- Comprehensive Design Study
C. Ahdida, R. G. Alia, G. Arduini +45
The proposed Beam Dump Facility (BDF) is foreseen to be located at the North Area of the SPS. It is designed to be able to serve both beam dump like and fixed target experiments. T…
Electron beam characterization with beam loss monitors in AWAKE
L. Verra, M. Turner, S. Gessner +3
We present a method to measure transverse size and position of an electron or proton beam, close to the injection point in plasma wakefields, where other diagnostics are not availa…
The ENUBET Beamline
ENUBET Collaboration, G. Brunetti, F. Acerbi +56
The ENUBET ERC project (2016-2021) is studying a narrow band neutrino beam where lepton production can be monitored at single particle level in an instrumented decay tunnel. This w…
Gamma Factory at CERN -- novel research tools made of light
W. Placzek, A. Abramov, S. E. Alden +59
We discuss the possibility of creating novel research tools by producing and storing highly relativistic beams of highly ionised atoms in the CERN accelerator complex, and by excit…
Proton Driven Plasma Wakefield Acceleration in AWAKE
Edda Gschwendtner, Marlene Turner, the AWAKE Collaboration
In this article, we briefly summarize the experiments performed during the first Run of the Advanced Wakefield Experiment, AWAKE, at CERN (European Organization for Nuclear Researc…
External Electron Injection for the AWAKE Experiment
Marlene Turner, Chiara Bracco, Spencer Gessner +6
We summarize and explain the realization of witness particle injection into wakefields for the AWAKE experiment. In AWAKE, the plasma wakefields are driven by a self-modulating rel…