H. F. Heath

ORCID: 0000-0001-6576-9740
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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
  • Particle Detector Development and Performance
  • Dark Matter and Cosmic Phenomena
  • Cosmology and Gravitation Theories
  • Computational Physics and Python Applications
  • Neutrino Physics Research
  • Astrophysics and Cosmic Phenomena
  • Black Holes and Theoretical Physics
  • Particle Accelerators and Free-Electron Lasers
  • Medical Imaging Techniques and Applications
  • Radiation Detection and Scintillator Technologies
  • Superconducting Materials and Applications
  • Distributed and Parallel Computing Systems
  • Atomic and Subatomic Physics Research
  • CCD and CMOS Imaging Sensors
  • Particle accelerators and beam dynamics
  • Nuclear reactor physics and engineering
  • Nuclear physics research studies
  • Gamma-ray bursts and supernovae
  • Photocathodes and Microchannel Plates
  • Astronomical Observations and Instrumentation
  • Radiation Therapy and Dosimetry
  • Advanced Data Storage Technologies

University of Bristol
2016-2025

A. Alikhanyan National Laboratory
2022-2024

European Organization for Nuclear Research
2012-2024

Institute of High Energy Physics
2022-2024

Roma Tre University
2024

University of Antwerp
2023-2024

Vrije Universiteit Brussel
2023-2024

Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Frascati
2017-2024

Charles University
2023-2024

Rutherford Appleton Laboratory
2014-2023

The production of D+- and D0 mesons has been measured with the ZEUS detector at HERA using an integrated luminosity 133.6 pb-1. measurements cover kinematic range 5 < Q^2 1000 GeV^2, 0.02 y 0.7, 1.5 p_T^D 15 GeV eta^D 1.6. Combinatorial background to D meson signals is reduced by microvertex reconstruct displaced secondary vertices. Production cross sections are compared predictions next-to-leading-order QCD which found describe data well. Measurements extrapolated full phase space in order...

10.1140/epjc/s10052-009-1088-x article EN cc-by-nc The European Physical Journal C 2009-08-10

10.1016/0168-9002(89)91096-6 article EN Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment 1989-07-01

Next-to-leading-order QCD analyses of the ZEUS data on deep inelastic scattering together with fixed-target have been performed, from which gluon and quark densities proton value strong coupling constant αs(MZ) were extracted. The study includes a full treatment experimental systematic uncertainties including point-to-point correlations. resulting in parton density functions are presented. A combined fit for yields agreement world average. derived alone indicate importance HERA determining...

10.1103/physrevd.67.012007 article EN Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields 2003-01-31

A resonance search has been made in the K0Sp and K0Sp̄ invariant-mass spectrum measured with ZEUS detector at HERA using an integrated luminosity of 121 pb−1. The was performed central rapidity region inclusive deep inelastic scattering ep centre-of-mass energy 300–318 GeV for exchanged photon virtuality, Q2, above 1 GeV2. Recent results from fixed-target experiments give evidence a narrow baryon decaying to K+n K0Sp, interpreted as pentaquark. presented here support existence such state,...

10.1016/j.physletb.2004.04.024 article EN cc-by Physics Letters B 2004-05-14

A small electromagnetic sampling calorimeter, installed in the ZEUS experiment 1995, significantly enhanced acceptance for very low x and Q^2 inelastic neutral current scattering, e^{+}p \to e^{+}X, at HERA. measurement of proton structure function F_2 total virtual photon-proton (\gamma^*p) cross-section is presented 0.11 \le Q^{2} 0.65 GeV^2 2 \times 10^{-6} 6 10^{-5}, corresponding to a range \gamma^{*}p c.m. energy 100 W 230 GeV. Comparisons with various models are also presented.

10.1016/s0370-2693(97)00905-2 article EN cc-by-nc-nd Physics Letters B 1997-09-01

The NA62 experiment at CERN SPS is designed to study the $K^+\to\pi^+\nu\bar\nu$ decay. After collecting data in 2016, 2017, and 2018, has resumed taking 2021 received approval for operations until onset of LS3. first search lepton number violating decay $K^+\to\pi^0\pi^-\mu^+ e^+$ flavour decays $K^+\to\pi^0\pi^+\mu^+ e^-$ , $K^+\to\pi^0\pi^+\mu^- reported. More recent results from analyses $K^+\to\pi^+\gamma\gamma$ $\pi^0\to e^+e^-$ are also Additionally, New Physics collected during...

10.22323/1.465.0222 article EN cc-by-nc-nd 2025-02-07

The photoproduction reaction gamma p -> mu+ mu- has been studied in ep interactions using the ZEUS detector at HERA. data sample corresponds to an integrated luminosity of 43.2 pb^{-1}. Upsilon meson observed for first time. sum products elastic Upsilon(1S), Upsilon(2S), Upsilon(3S) cross sections with their respective branching ratios is determined be 13.3 +- 6.0(stat.)^{+2.7}_{-2.3}(syst.) pb a mean photon-proton centre mass energy 120 GeV. section above prediction perturbative QCD model.

10.1016/s0370-2693(98)01081-8 article EN cc-by-nc-nd Physics Letters B 1998-10-01
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