P.J. Hayman

ORCID: 0000-0003-2196-6026
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About
Contact & Profiles
Research Areas
  • Particle physics theoretical and experimental studies
  • Quantum Chromodynamics and Particle Interactions
  • High-Energy Particle Collisions Research
  • Dark Matter and Cosmic Phenomena
  • Particle Detector Development and Performance
  • Atomic and Subatomic Physics Research
  • Nuclear physics research studies
  • Neutrino Physics Research
  • Particle Accelerators and Free-Electron Lasers
  • Black Holes and Theoretical Physics
  • Astrophysics and Cosmic Phenomena
  • Nuclear Physics and Applications
  • Atomic and Molecular Physics
  • Cosmology and Gravitation Theories
  • Advanced Chemical Physics Studies
  • Radiation Detection and Scintillator Technologies
  • Computational Physics and Python Applications
  • X-ray Spectroscopy and Fluorescence Analysis
  • Muon and positron interactions and applications
  • Particle accelerators and beam dynamics
  • Electron and X-Ray Spectroscopy Techniques
  • Solar and Space Plasma Dynamics
  • Ionosphere and magnetosphere dynamics
  • Superconducting Materials and Applications
  • High-pressure geophysics and materials

University of Auckland
2024

Carleton University
2022

McMaster University
2016-2021

Perimeter Institute
2016-2021

University of Liverpool
1993-2002

University of Coimbra
1998-2000

Liverpool Hospital
1983-1992

Laboratoire d’Annecy de Physique des Particules
1983-1988

Institut National de Physique Nucléaire et de Physique des Particules
1985-1988

European Organization for Nuclear Research
1988

The momentum spectrum of cosmic ray muons in the vertical direction at Durham has been measured for range 5-1000 GeV/c. high maximum detectable made possible by modification original spectrograph addition neon flash-tube arrays measuring levels. work described this paper is based on 14 556 particles, 4520 which had momenta above 20 GeV/c, and together with determined Geiger counter alone, Gardener et al. (1962) form a continuous from 0.4 GeV/c to 1000

10.1088/0370-1328/80/3/315 article EN Proceedings of the Physical Society 1962-09-01

Recent measurements of the sea-level spectra cosmic ray protons and muons have been used, together with a trial spectrum primary nucleons, to derive values for nucleon inelasticity Kt fraction energy passed on pion component Kπ in nucleon-air-nucleus collisions. It is shown that are not very sensitive model assumed collisions, effect fluctuations from one collision next found be small. Assuming value difference Kt-Kπ based results other experiments (approximately 0.12) it possible estimate...

10.1088/0370-1328/83/5/318 article EN Proceedings of the Physical Society 1964-05-01

The rate of energy loss muons is examined by com paring the observed depth-intensity relation with that predicted from a knowledge sea-level spectrum cosmic ray muons. evidence for each parameters entering into analysis assessed and estimates are made muon up to 10000 GeV down 7000 m.w.e. effect range-straggling on underground intensities considered shown be important at depths below 1000 Following previous workers written as -d E /d x =1.88+0.077 in ' m / mc 2 + b MeV g -1 cm , where...

10.1098/rspa.1963.0176 article EN Proceedings of the Royal Society of London A Mathematical and Physical Sciences 1963-10-08
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