Publications by Mike Seidel | EPFL Graph Search

Incoherent horizontal emittance growth due to the interplay of beam-beam interaction and longitudinal wakefield in crab-waist colliders

Tatiana Pieloni, Péter Kicsiny, Mike Seidel

In this paper, we investigate incoherent quadrupolar synchrobetatron resonances caused by beam-beam collisions and their interplay with longitudinal wakefields in the context of crab-waist colliders. We present a comprehensive theoretical review of the est ...

American Physical Society (APS)2025

FIRST COMPARISON STUDIES IN DYNAMIC APERTURE FOR NESTED MAGNETS AND BASELINE LATTICE IN THE FCC-ee

Tatiana Pieloni, Mike Seidel, Léon Van Riesen-Haupt

A significant project such as the FCC-ee (with 91.17 km circumference) entails numerous challenges to ensure the stability and performance of the machine. In the pursuit of contributing to the improvement of energy consumption during its operation, the exp ...

JACoW2024

Energy-Efficient Particle Accelerators for Research

Mike Seidel

Particle accelerators are the drivers for large-scale research infrastructures for particle physics but also for many branches of condensed matter research. The types of accelerator-driven research infrastructures include particle colliders, neutron, muon ...

2024

Design of a Beam Separator for FLASH Electron Therapy Facilities

Mike Seidel

A promising modality of radiation therapy is FLASH: a technique in which the full radiation dose is delivered in just 1/10th of a second. This modality has been proven successful in destroying cancerous cells while sparing healthy tissues. The aim is to de ...

IEEE Institute of Electrical and Electronics Engineers2024

Accelerating Dynamic Aperture Evaluation Using Deep Neural Networks

Tatiana Pieloni, Mike Seidel, Davide Di Croce

The Dynamic Aperture is an important concept for the study of non-linear beam dynamics in a circular accelerator. The DA is defined as the extent of the phase-space region in which the particle's motion remains bounded over a finite number of turns. Such a ...

Institute of Physics2024

Impact of beam asymmetries at the Future Circular Collider e+e-

Tatiana Pieloni, Mike Seidel

In this paper, we present detailed simulations with asymmetric initial beam settings in the context of the proposed Future Circular Collider e+e- (FCC-ee) using the xsuite framework. We compare simulated equilibrium bunch sizes and luminosities against an ...

2024

PARAMETER SPACE FOR THE MAGNETIC DESIGN OF NESTED MAGNETS IN THE FCC-ee ARC CELL

Tatiana Pieloni, Adrien Jean-Michel Thabuis, Mike Seidel, Léon Van Riesen-Haupt

The Future Circular Collider (FCC-ee) is designed to explore the 𝑍 0 and W± bosons, along with the Higgs boson and top quark, achieving exceptionally high luminosity. In order to minimize the energy lost per turn due to Synchrotron Radiation (SR) we explor ...

JACoW2024

Search for high-mass exclusive diphoton production with tagged protons in proton-proton collisions at √s=13 TeV

Patrick Berger, Rakesh Chawla, Ian Smith, Jung Eung Park, Thomas Mountford, Matthias Finger, Matteo Galli, Maria Isabel Cordero Campana, Xiaoqiang Wang, Jian Zhao, James Gonzalo King, Mirko Kovac, Hua Zhang, Joo Yeon Kim, Jae-Woo Choi, Pedro Camilo de Oliveira e Silva, Young Min Kim, Myun Sik Kim, Gabriele Grosso, Qian Wang, Varun Sharma, Michele De Palma, Hyungjun Lee, Chia-Chun Chen, Siyuan Wang, Özdemir Can Kara, Shivom Sharma, Jian Wang, Yi Zhang, Bokyoung Kim, Rahul Kumar Gupta, Ling Zhou, Mithlesh Kumar, Chenyang Wang, Matthias Wolf, Chang-Hyun Park, Anna Mascellani, Yikai Yang, Zhenyu Wang, Seonwoo Lee, Wei-Hsiang Lin, , , , , , , , , , , , , , , , , , , , , , , , , , , ,

IMPACT OF DIPOLE QUADRUPOLAR ERRORS IN FCC-ee

Tatiana Pieloni, Tomas Rubin, Mike Seidel, Léon Van Riesen-Haupt

FCC-ee performance is challenged by magnetic errors and imperfections. Magnetic design simulations predict a systematic quadrupolar component in the arc dipoles significantly impacting the machine optics. This paper studies the impact of this component in ...

IOP Publishing2024

High power electrostatic beam splitter for a proton beamline

Hua Zhang, Mike Seidel

The High Intensity Proton Accelerator facility (HIPA) delivers a 590 MeV cw (50.6 MHz) proton beam with up to 1.4 MW beam power (2.4 mA) to spallation and meson production targets serving particle physics experiments and material research. The main acceler ...

2024

Optimizing Dynamic Aperture Studies with Active Learning

Tatiana Pieloni, Massimo Giovannozzi, Ekaterina Krymova, Mike Seidel, Davide Di Croce

Dynamic aperture is an important concept for the study of non-linear beam dynamics in circular accelerators. It describes the extent of the phase-space region where a particle's motion remains bounded over a given number of turns. Understanding the feature ...

Iop Publishing Ltd2024

Multiturn simulation of radiative Bhabha scattering in the equivalent photon approximation

Tatiana Pieloni, Mike Seidel

In this paper, we present a Monte Carlo event generator for radiative Bhabha scattering, based on the method of equivalent photons, and optimized for multiturn tracking simulations in the xsuite framework. We demonstrate the accuracy of the event generator ...

2024

FIRST FCC-ee LATTICE DESIGNS WITH NESTED MAGNETS

Tatiana Pieloni, Mike Seidel, Léon Van Riesen-Haupt

The Future Circular Electron-Positron Collider (FCC-ee) represents a cutting-edge particle physics facility designed to further investigate the 𝑍 0 , W± and Higgs boson in addition to the top quark. The implementation of Nested Magnets (NMs) in the FCC-ee ...

JACoW2024

Exploring Fcc-ee Optics Designs with Combined Function Magnets

Tatiana Pieloni, Mike Seidel, Léon Van Riesen-Haupt

The FCC-ee project takes a step forward towards the discovery of new physical phenomena beyond the frontier of the standard model, by aiming at unprecedented center of mass energies and luminosities in a double-ring lepton collider. In order to explore pot ...

2024

Proof-of-principle e+ source for future colliders

Stefan Müller, Rasmus Ischebeck, Anastasiya Magazinik, Mike Seidel, Nicolas Vallis, Paolo Craievich

2024

Toward a brightness upgrade to the SwissFEL: A high gradient traveling-wave rf photogun

Anastasiya Magazinik, Mike Seidel, Paolo Craievich, Sven Reiche

The first generation of S-band injectors for free-electron lasers has illustrated high reliability and performance by driving the latest generation of high brightness machines. However, the ultimate electron beam brightness of these devices is limited by t ...

Amer Physical Soc2023

Simulation framework and measurements of crystal collimation of proton beams at the Large Hadron Collider

Rongrong Cai, Mike Seidel

Thanks to its versatility in deploying large kicks with high efficiency, crystal channeling is being integrated more and more into modern particle accelerators. For example, at the CERN Large Hadron Collider, crystals are used, or planned to be used for co ...

Elsevier2023

Cyclotron

Mike Seidel

World Scientific2023

Design of the 590 MeV proton beamline for the proposed TATTOOS isotope production target at PSI

Hong Zhang, Mike Seidel

IMPACT (Isotope and Muon Production with Advanced Cyclotron and Target Technologies) is a proposed initiative envisaged for the high-intensity proton accelerator facility (HIPA) at the Paul Scherrer Institute (PSI). As part of IMPACT, a radioisotope target ...

IOP Publishing2022

Towards Beam-Beam Simulations for FCC-ee

Tatiana Pieloni, Xavier Buffat, Péter Kicsiny, Mike Seidel, Giovanni Iadarola

The FCC-ee (Future Circular Collider) lepton collider is currently the most favored next generation research infrastructure project at CERN, aimed at studying properties of standard model particles with the highest precision ever. The chosen parameters of ...

JACoW Publishing, Geneva, Switzerland2022