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Authors whose works are in public domain in at least one jurisdiction

List of works by Simon Swordy

1-50 of 80 results

Measurements of the Cosmic-Ray Positron Fraction from 1 to 50 G[CLC]e[/CLC]V

scientific article published in the Astrophysical Journal

Cosmic-ray proton and helium spectra from the first CREAM flight

scientific article published in the Astrophysical Journal

TeV Gamma-Ray Observations of the Galactic Center

scientific article published in the Astrophysical Journal

New Measurement of the Cosmic-Ray Positron Fraction from 5 to 15 GeV

scientific article published in Physical Review Letters

Radio imaging of the very-high-energy gamma-ray emission region in the central engine of a radio galaxy

scientific article published on 2 July 2009

Insights into the high-energy {gamma}-ray emission of Markarian 501 from extensive multifrequency observations in the Fermi era

scientific article published in the Astrophysical Journal

The Energy Spectra and Relative Abundances of Electrons and Positrons in the Galactic Cosmic Radiation

scientific article published in the Astrophysical Journal

VERITAS: the Very Energetic Radiation Imaging Telescope Array System

Cosmic‐Ray Electrons and Positrons from 1 to 100 GeV: Measurements with HEAT and Their Interpretation

scientific article published in the Astrophysical Journal

A Multiwavelength View of the TeV Blazar Markarian 421: Correlated Variability, Flaring, and Spectral Evolution

scientific article published in the Astrophysical Journal

The first VERITAS telescope

article by J. Holder et al published July 2006 in Astroparticle Physics

The June 2008 flare of Markarian 421 from optical to TeV energies

scientific article published in the Astrophysical Journal

A Survey of Unidentified EGRET Sources at Very High Energies

scientific article published in the Astrophysical Journal

Constraints on the Very High Energy Emission from BL Lacertae Objects

scientific article published in the Astrophysical Journal

Discovery of Spectral Variability of Markarian 421 at T[CLC]e[/CLC]V Energies

scientific article published in the Astrophysical Journal

Measurements of cosmic-ray secondary nuclei at high energies with the first flight of the CREAM balloon-borne experiment

article by H.S. Ahn et al published October 2008 in Astroparticle Physics

Cosmic Ray Positrons at High Energies: A New Measurement

scientific article published in Physical Review Letters

The High-Energy Antimatter Telescope (HEAT): An instrument for the study of cosmic-ray positrons

article by S.W. Barwick et al published November 1997 in Nuclear Instruments and Methods in Physics Research

Cutoff in the T[CLC]e[/CLC]V Energy Spectrum of Markarian 421 during Strong Flares in 2001

scientific article published in the Astrophysical Journal

Cosmic-ray positrons: are there primary sources?

article by Stéphane Coutu et al published September 1999 in Astroparticle Physics

The composition of cosmic rays at the knee

article

A New Measurement of Cosmic-Ray Composition at the Knee

scientific article published in the Astrophysical Journal

Discovery of very high energy gamma rays from PKS 1424+240 and multiwavelength constraints on its redshift

scientific article

Detection of T[CLC]e[/CLC]V Gamma Rays from the BL Lacertae Object 1ES 1959+650 with the Whipple 10 Meter Telescope

scientific article published in the Astrophysical Journal

The discovery of {gamma}-ray emission from the blazar RGB J0710+591

scholarly article

Simultaneous multiwavelength observations of Markarian 421 during outburst

scientific article published in the Astrophysical Journal

The TeV Spectrum of H1426+428

scientific article published in the Astrophysical Journal

Spectral energy distribution of Markarian 501: quiescent state versus extreme outburst

scientific article published in the Astrophysical Journal

Search for High‐Energy Gamma Rays from an X‐Ray–selected Blazar Sample

scientific article published in the Astrophysical Journal

Cosmic ray reentrant electron albedo: High-Energy Antimatter Telescope balloon measurements from Fort Sumner, New Mexico

scholarly article

Multi-wavelength observations of the flaring gamma-ray blazar 3C 66A in 2008 October

scientific article published in the Astrophysical Journal

A Search for TeV Gamma‐Ray Emission from High‐peaked Flat‐Spectrum Radio Quasars Using the Whipple Air Cerenkov Telescope

scientific article published in the Astrophysical Journal

Discovery of very high energy {gamma}-ray emission from the SNR G54.1+0.3

scholarly article

Measurement of the Cosmic-Ray Antiproton-to-Proton Abundance Ratio between 4 and 50 GeV

scientific article published in Physical Review Letters

VERITAS observations of the {gamma}-ray binary LS I +61 303

VERITAS observations of gamma-ray bursts detected by Swift

Energy spectra, altitude profiles, and charge ratios of atmospheric muons

article by S. Coutu et al published 28 June 2000 in Physical Review D

Search for TeV Emissions from Pulsars in Binary Systems

scientific article published in the Astrophysical Journal

Performance of the HEAT spectrometer for cosmic ray electrons and positrons

article by Dietrich Müller et al published December 1995 in Nuclear Instruments and Methods in Physics Research

A new search for primordial black hole evaporations using the Whipple gamma-ray telescope

scholarly article by E T Linton et al published 16 January 2006 in Journal of Cosmology and Astroparticle Physics

VERITAS: the Very Energetic Radiation Imaging Telescope Array System

scholarly article

Discovery of variability in the very high energy {gamma}-ray emission of 1ES 1218+304 with VERITAS

Very high energy observations of gamma-ray burst locations with the Whipple telescope

scientific article published in January 2007

Observation of gamma-ray emission from the galaxy M87 above 250 GeV with VERITAS

scholarly article

VERITAS upper limit on the very high energy emission from the radio galaxy NGC 1275

ERRATUM: "Veritas observations of a very high energy {gamma}-ray flare from the blazar 3C 66A" (2009, ApJ, 693, L104)

scholarly article published in Letters of the Astrophysical Journal

New measurement of the altitude dependence of the atmospheric muon intensity

article by J. J. Beatty et al published 12 November 2004 in Physical Review D

Observation of M87 at 400 GeV with the Whipple 10 Meter Telescope

scientific article published in the Astrophysical Journal

The Cosmic Ray Energetics and Mass (CREAM) timing charge detector

article by H.S. Ahn et al published April 2009 in Nuclear Instruments and Methods in Physics Research

Silicon charge detector for the CREAM experiment

article by I.H. Park et al published January 2007 in Nuclear Instruments and Methods in Physics Research