490 citations · 559 across the 23 of their papers we have counts for
25 papers
Status of the muEDM experiment at PSI
Kim Siang Khaw, Cheng Chen, Massimo Giovannozzi +7
Permanent electric dipole moments (EDMs) are excellent probes of physics beyond the Standard Model, especially on new sources of CP violation. The muon EDM has recently attracted s…
Ensemble Reservoir Computing for Dynamical Systems: Prediction of Phase-Space Stable Region for Hadron Storage Rings
Maxime Casanova, Barbara Dalena, Luca Bonaventura +1
We investigate the ability of an ensemble reservoir computing approach to predict the long-term behaviour of the phase-space region in which the motion of charged particles in hadr…
Measurement of transverse beam emittance of split beams for the CERN Proton Synchrotron Multi-Turn Extraction
G. Russo, F. Cerutti, L. S. Esposito +4
Crossing a horizontal nonlinear resonance is the approach that can be used to split a beam in several beamlets with the goal to perform multi-turn extraction from a circular partic…
Implementation of synchronised PS-SPS transfer with barrier buckets
M. Vadai, H. Damerau, M. Giovannozzi +2
For the future intensity increase of the fixed-target beams in the CERN accelerator complex, a barrier-bucket scheme has been developed to reduce the beam loss during the 5-turn ex…
Hamiltonian theory of the crossing of the nonlinear coupling resonance
A. Bazzani, F. Capoani, M. Giovannozzi
In a recent paper, the adiabatic theory of Hamiltonian systems was successfully applied to study the crossing of the linear coupling resonance, . A detailed explanation…
Analysis of adiabatic trapping phenomena for quasi-integrable area-preserving maps in the presence of time-dependent exciters
A. Bazzani, F. Capoani, M. Giovannozzi
In this paper, new results concerning the phenomenon of adiabatic trapping into resonance for a class of quasi-integrable maps with a time-dependent exciter are presented and discu…
Nonlinear cooling of an annular beam distribution
A. Bazzani, F. Capoani, M. Giovannozzi +1
In recent years, intense efforts have been devoted to studying how nonlinear effects can be used to shape the transverse beam distribution by means of an adiabatic crossing of nonl…
Future Circular Hadron Collider FCC-hh: Overview and Status
M. Benedikt, A. Chance, B. Dalena +11
The Future Circular Collider (FCC) study was launched as a world-wide international collaboration hosted by CERN. Its goal is to push the field to the next energy frontier beyond L…
Probing the diffusive behaviour of beam-halo dynamics in circular accelerators
C. E. Montanari, A. Bazzani, M. Giovannozzi
Circular particle accelerators at the energy frontier are based on superconducting magnets that are extremely sensitive to beam losses as these might induce quenches, i.e.\ transit…
Split or unsplit electron beams?
Andrea Franchi, Massimo Giovannozzi
Non-linear effects have become increasingly relevant in modern circular particle accelerators, and in recent years a change of paradigm has appeared, the attitude towards nonlinear…
Manipulation of transverse emittances in circular accelerators by crossing non-linear 2D resonances
A. Bazzani, F. Capoani, M. Giovannozzi
Controlling non-linear effects in the transverse dynamics of charged particle beams in circular accelerators opens new possibilities for controlling some of the beam properties. Be…
Combined-function optics for circular high-energy hadron colliders
M. Giovannozzi, E. todesco
The design of future circular high-energy hadron colliders is based on the achievement of challenging magnetic fields, needed to keep the hadron beams orbiting along the ring circu…
A novel non-adiabatic approach to transition crossing in a circular hadron accelerator
M. Giovannozzi, L. Huang, A. Huschauer +1
Crossing the transition energy is always a delicate process, representing a potential source of strong perturbations of the dynamics of charged particle beams in a hadron circular…
Beam Measurements and Machine Learning at the CERN Large Hadron Collider
P. Arpaia, G. Azzopardi, F. Blanc +16
This paper presents a review of the recent Machine Learning activities carried out on beam measurements performed at the CERN Large Hadron Collider. This paper has been accepted fo…
Beam-based aperture measurements with movable collimator jaws as performance booster of the CERN Large Hadron Collider
N. Fuster-Martínez, R. W. Aßmann, R. Bruce +6
The beam aperture of a particle accelerator defines the clearance available for the circulating beams and is a parameter of paramount importance for the accelerator performance. At…
On the adiabaticity of emittance exchange due to crossing of the coupling resonance
A. Bazzani, F. Capoani, M. Giovannozzi +1
In circular accelerators, crossing the linear coupling resonance induces the exchange of the transverse emittances, provided the process is adiabatic. This has been considered in s…
Search for a muon EDM using the frozen-spin technique
A. Adelmann, M. Backhaus, C. Chavez Barajas +35
This letter of intent proposes an experiment to search for an electric dipole moment of the muon based on the frozen-spin technique. We intend to exploit the high electric field, $…
Advances on the modelling of the time evolution of dynamic aperture of hadron circular accelerators
A. Bazzani, M. Giovannozzi, E. H. Maclean +3
Determining a model for the time scaling of the dynamic aperture of a circular accelerator is a topic of strong interest and intense research efforts in accelerator physics. The mo…
Analysis of the non-linear beam dynamics at top energy for the CERN Large Hadron Collider by means of a diffusion model
A. Bazzani, M. Giovannozzi, E. H. Maclean
In this paper the experimental results of the recent dynamic aperture at top energy for the CERN Large Hadron Collider are analysed by means of a diffusion model whose novelty cons…
Description of the luminosity evolution for the CERN LHC including dynamic aperture effects. Part II: application to Run 1 data
Massimo Giovannozzi, Frederik F Van der Veken
In recent years, modelling the evolution of beam losses in circular proton machines starting from the concept of dynamic aperture its time evolution has been the focus of intense r…
Description of the luminosity evolution for the CERN LHC including dynamic aperture effects. Part I: the model
Massimo Giovannozzi, Frederik F Van der Veken
In recent years, modelling the evolution of beam losses in circular proton machines starting from the evolution of the dynamic aperture has been the focus of intense research. Resu…
Machine Layout and Performance
D. Angal-Kalinin, R. Appleby, G. Arduini +57
Chapter 2 in High-Luminosity Large Hadron Collider (HL-LHC) : Preliminary Design Report. The Large Hadron Collider (LHC) is one of the largest scientific instruments ever built. Si…
Optics options for the 2015 LHC run
Massimo Giovannozzi
A review of the possible optics configurations for the 2015 LHC run will be made. The rationale behind the various scenarios will also be presented together with the latest results…
Fifty years of the CERN Proton Synchrotron : Volume 2
Simone Gilardoni, Django Manglunki, Jean-Paul Burnet +21
This report sums up in two volumes the first 50 years of operation of the CERN Proton Synchrotron. After an introduction on the genesis of the machine, and a description of its mag…