M. Berggren

ORCID: 0000-0001-9208-5053
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About
Contact & Profiles
Research Areas
  • Particle physics theoretical and experimental studies
  • High-Energy Particle Collisions Research
  • Quantum Chromodynamics and Particle Interactions
  • Dark Matter and Cosmic Phenomena
  • Particle Detector Development and Performance
  • Computational Physics and Python Applications
  • Neutrino Physics Research
  • Particle Accelerators and Free-Electron Lasers
  • Building energy efficiency and sustainability
  • Renewable energy and sustainable power systems
  • Cosmology and Gravitation Theories
  • Astrophysics and Cosmic Phenomena
  • Distributed and Parallel Computing Systems
  • Black Holes and Theoretical Physics
  • International Science and Diplomacy
  • Particle accelerators and beam dynamics
  • Algorithms and Data Compression
  • Atomic and Subatomic Physics Research
  • Advanced Data Storage Technologies
  • Scientific Research and Discoveries
  • Cellular Automata and Applications
  • Superconducting Materials and Applications
  • Advancements in Photolithography Techniques
  • Medical Imaging Techniques and Applications
  • Radiation Detection and Scintillator Technologies

Deutsches Elektronen-Synchrotron DESY
2010-2024

TRIUMF
2024

Institute of Chartered Financial Analysts of India
2022

High Energy Accelerator Research Organization
2017-2020

University of Oklahoma
2017-2020

The University of Tokyo
2017-2020

Iowa State University
2014

Centre National de la Recherche Scientifique
1994-2011

Sorbonne Université
2000-2011

Laboratoire de Physique Nucléaire et de Hautes Énergies
2001-2011

The TESLA Technical Design Report Part III: Physics at an e+e- Linear Collider

10.48550/arxiv.hep-ph/0106315 preprint EN other-oa arXiv (Cornell University) 2001-01-01

The International Linear Collider is now proposed with a staged machine design, the first stage at 250 GeV luminosity goal of 2 ab-1. In this paper, we review physics expectations for machine. These include precision measurements Higgs boson couplings, searches exotic decays, other particles that decay zero or small visible energy, and e+e- annihilation to W+W- 2-fermion states improved sensitivity. A summary table gives projections achievable levels based on latest full simulation studies.

10.48550/arxiv.1710.07621 preprint EN other-oa arXiv (Cornell University) 2017-01-01

The International Linear Collider (ILC) is on the table now as a new global energy-frontier accelerator laboratory taking data in 2030s. ILC addresses key questions for our current understanding of particle physics. It based proven technology. Its experiments will challenge Standard Model physics and provide window to look beyond it. This document brings story up date, emphasizing its strong motivation, readiness construction, opportunity it presents US community.

10.2172/1873702 preprint EN 2022-03-15

The ILD detector is proposed for an electron-positron collider with collision centre-of-mass energies from 90~\GeV~to about 1~\TeV. It has been developed over the last 10 years by international team of scientists goal to design and eventually propose a fully integrated detector, primarily International Linear Collider, ILC. In this report fundamental ideas concepts behind are discussed technologies needed realisation reviewed. document starts short review science goals ILC, how can be...

10.48550/arxiv.2003.01116 preprint EN other-oa arXiv (Cornell University) 2020-01-01

The nature of b-quark jet hadronisation has been investigated using data taken at the Z peak by DELPHI detector LEP. Two complementary methods are used to reconstruct energy weakly decaying b-hadrons, $E_{\mathrm{B}}^{\mathrm{weak}}$ . average value $x^{\mathrm{weak}}_{\mathrm{B}} = E_{\mathrm{B}}^{\mathrm{weak}}/E_{\mathrm{beam}}$ is measured be 0.699±0.011. resulting $x^{\mathrm{weak}}_{\mathrm{B}}$ distribution then analysed in framework two choices for perturbative contribution (parton...

10.1140/epjc/s10052-011-1557-x article EN cc-by-nc The European Physical Journal C 2011-02-01

In this study, the sensitivity of future lepton colliders to weakly interacting massive particles (WIMP) dark matter is evaluated assuming WIMP pair production accompanied by a photon from initial state radiation, through which process can be identified. A full detector simulation for International Large Detector (ILD) concept at Linear Collider (ILC) performed center-of-mass energy 500 GeV. Energy scales up 3 TeV tested different effective operators masses almost half energy. The benefits...

10.1103/physrevd.101.075053 article EN cc-by Physical review. D/Physical review. D. 2020-04-30

The HALHF collaboration has discussed a new baseline for the project, taking into account comments from accelerator community on various aspects of original design. In particular, these concerned practicality dual-purpose linac to accelerate both colliding positron bunches and drive beams required plasma linac. addition, many other project were also considered; discussion conclusions are documented in this paper. Finally, is outlined that been optimised addresses several weaknesses design,...

10.48550/arxiv.2501.11072 preprint EN arXiv (Cornell University) 2025-01-19

In this paper we review the physics opportunities at linear $e^+e^-$ colliders with a special focus on high centre-of-mass energies and beam polarisation, take fresh look various accelerator technologies available or under development and, for first time, discuss how facility equipped technology mature today could be upgraded of tomorrow to reach much higher and/or luminosities. addition, will detectors alternative collider modes, as well beyond-collider experiments R\&D facilities part...

10.48550/arxiv.2503.19983 preprint EN arXiv (Cornell University) 2025-03-25

A search for pair-produced doubly charged Higgs bosons has been performed using the data collected by DELPHI detector at LEP centre-of-mass energies between 189 and 209 GeV. No excess is observed in with respect to Standard Model background. lower limit mass of 97.3 GeV/c2 95% confidence level set left–right symmetric models any value Yukawa coupling τ leptons.

10.1016/s0370-2693(02)03125-8 article EN cc-by Physics Letters B 2003-01-01
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