J N Matthews
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Explore the profile of J N Matthews including associated specialties, affiliations and a list of published articles.
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78
Citations
1419
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Recent Articles
1.
Abbasi R, Abe Y, Abu-Zayyad T, Allen M, Arai Y, Arimura R, et al.
Phys Rev Lett
. 2024 Aug;
133(4):041001.
PMID: 39121414
We report an estimation of the injected mass composition of ultrahigh energy cosmic rays (UHECRs) at energies higher than 10 EeV. The composition is inferred from an energy-dependent sky distribution...
2.
Abbasi R, Allen M, Arimura R, Belz J, Bergman D, Blake S, et al.
Science
. 2023 Nov;
382(6673):903-907.
PMID: 37995237
Cosmic rays are energetic charged particles from extraterrestrial sources, with the highest-energy events thought to come from extragalactic sources. Their arrival is infrequent, so detection requires instruments with large collecting...
3.
4.
Abbasi R, Abu-Zayyad T, Al-Seady M, Allen M, Amman J, Anderson R, et al.
Phys Rev Lett
. 2010 May;
104(16):161101.
PMID: 20482038
We report studies of ultrahigh-energy cosmic-ray composition via analysis of depth of air shower maximum (X(max)), for air shower events collected by the High-Resolution Fly's Eye (HiRes) observatory. The HiRes...
5.
Abbasi R, Abu-Zayyad T, Allen M, Amman J, Archbold G, Belov K, et al.
Phys Rev Lett
. 2008 Mar;
100(10):101101.
PMID: 18352170
The High Resolution Fly's Eye (HiRes) experiment has observed the Greisen-Zatsepin-Kuzmin suppression (called the GZK cutoff) with a statistical significance of five standard deviations. HiRes' measurement of the flux of...
6.
Abbasi R, Abu-Zayyad T, Amann J, Archbold G, Bellido J, Belov K, et al.
Phys Rev Lett
. 2004 Jun;
92(15):151101.
PMID: 15169276
We have measured the cosmic ray spectrum above 10(17.2) eV using the two air-fluorescence detectors of the High Resolution Fly's Eye observatory operating in monocular mode. We describe the detector,...
7.
Bayly P, Matthews J, Dobson P, PRICE M, Thomas D
Br J Surg
. 2001 May;
88(5):687-92.
PMID: 11350442
Background: The mortality rate associated with elective aortic aneurysm repair is widely assumed to be in the region of 5 per cent. This figure does not take into consideration the...
8.
NDow J, Robson C, Matthews J, Neal D, Pearson J
J Urol
. 2001 May;
165(5):1433-40.
PMID: 11342892
Purpose: After transposition into the urinary tract, intestinal segments continue to produce mucus. We determine the effectiveness of muco-regulatory drugs, including N-acetylcysteine, aspirin and ranitidine, in reducing mucus secretion and...
9.
Ainsworth S, Beresford M, Milligan D, Shaw N, Matthews J, Fenton A, et al.
Lancet
. 2000 May;
355(9213):1387-92.
PMID: 10791521
Background: Exogenous surfactant preparations vary in their constitution and biophysical properties. Synthetic and animal-derived preparations lower the rate of death compared with controls. No significant differences in mortality or important...
10.
Healy E, Flannagan N, Ray A, Todd C, JACKSON I, Matthews J, et al.
Lancet
. 2000 Apr;
355(9209):1072-3.
PMID: 10744096
Susceptibility to sunburn, photoageing, and skin cancer is inversely related to an individual's ability to tan after sun exposure. We examined variants in the melanocortin-1-receptor (MC1R) gene in individuals from...