Search Results - "Valtonen, E."
-
1
First Analysis of Ground-Level Enhancement (GLE) 72 on 10 September 2017: Spectral and Anisotropy Characteristics
Published in Solar physics (01-10-2018)“…Using data obtained with neutron monitors and space-borne instruments, we analyzed the second ground-level enhancement (GLE) of Solar Cycle 24, namely the…”
Get full text
Journal Article -
2
The Alpha Magnetic Spectrometer (AMS) on the international space station: Part II — Results from the first seven years
Published in Physics reports (07-02-2021)“…The Alpha Magnetic Spectrometer (AMS) is a precision particle physics detector on the International Space Station (ISS) conducting a unique, long-duration…”
Get full text
Journal Article -
3
Antiproton Flux, Antiproton-to-Proton Flux Ratio, and Properties of Elementary Particle Fluxes in Primary Cosmic Rays Measured with the Alpha Magnetic Spectrometer on the International Space Station
Published in Physical review letters (26-08-2016)“…A precision measurement by AMS of the antiproton flux and the antiproton-to-proton flux ratio in primary cosmic rays in the absolute rigidity range from 1 to…”
Get full text
Journal Article -
4
Vulnerability and diet breadth predict larval and adult parasite diversity in fish of the Bothnian Bay
Published in Oecologia (01-01-2014)“…Recent studies of aquatic food webs show that parasite diversity is concentrated in nodes that likely favour transmission. Various aspects of parasite…”
Get full text
Journal Article -
5
Precision Measurement of the Proton Flux in Primary Cosmic Rays from Rigidity 1 GV to 1.8 TV with the Alpha Magnetic Spectrometer on the International Space Station
Published in Physical review letters (30-04-2015)“…A precise measurement of the proton flux in primary cosmic rays with rigidity (momentum/charge) from 1 GV to 1.8 TV is presented based on 300 million events…”
Get full text
Journal Article -
6
Increasing water temperature and disease risks in aquatic systems: Climate change increases the risk of some, but not all, diseases
Published in International journal for parasitology (01-11-2010)“…Global warming may impose severe risks for aquatic animal health if increasing water temperature leads to an increase in the incidence of parasitic diseases…”
Get full text
Journal Article -
7
Precision Measurement of the Boron to Carbon Flux Ratio in Cosmic Rays from 1.9 GV to 2.6 TV with the Alpha Magnetic Spectrometer on the International Space Station
Published in Physical review letters (02-12-2016)“…Knowledge of the rigidity dependence of the boron to carbon flux ratio (B/C) is important in understanding the propagation of cosmic rays. The precise…”
Get full text
Journal Article -
8
Precision Measurement of the Helium Flux in Primary Cosmic Rays of Rigidities 1.9 GV to 3 TV with the Alpha Magnetic Spectrometer on the International Space Station
Published in Physical review letters (17-11-2015)“…Knowledge of the precise rigidity dependence of the helium flux is important in understanding the origin, acceleration, and propagation of cosmic rays. A…”
Get full text
Journal Article -
9
High statistics measurement of the positron fraction in primary cosmic rays of 0.5-500 GeV with the alpha magnetic spectrometer on the international space station
Published in Physical review letters (19-09-2014)“…A precision measurement by AMS of the positron fraction in primary cosmic rays in the energy range from 0.5 to 500 GeV based on 10.9 million positron and…”
Get full text
Journal Article -
10
Properties of Iron Primary Cosmic Rays: Results from the Alpha Magnetic Spectrometer
Published in Physical review letters (28-01-2021)“…We report the observation of new properties of primary iron (Fe) cosmic rays in the rigidity range 2.65 GV to 3.0 TV with 0.62×10^{6} iron nuclei collected by…”
Get full text
Journal Article -
11
Properties of Neon, Magnesium, and Silicon Primary Cosmic Rays Results from the Alpha Magnetic Spectrometer
Published in Physical review letters (29-05-2020)“…We report the observation of new properties of primary cosmic rays, neon (Ne), magnesium (Mg), and silicon (Si), measured in the rigidity range 2.15 GV to 3.0…”
Get full text
Journal Article -
12
Intensive fish farming and the evolution of pathogen virulence: the case of columnaris disease in Finland
Published in Proceedings of the Royal Society. B, Biological sciences (22-02-2010)“… This effect is intensified by the recent increases in summer water temperature. More generally, we predict that intensive fish farming will lead to the…”
Get full text
Journal Article -
13
Observation of Fine Time Structures in the Cosmic Proton and Helium Fluxes with the Alpha Magnetic Spectrometer on the International Space Station
Published in Physical review letters (03-08-2018)“…We present the precision measurement from May 2011 to May 2017 (79 Bartels rotations) of the proton fluxes at rigidities from 1 to 60 GV and the helium fluxes…”
Get full text
Journal Article -
14
Precision Measurement of the (e^{+}+e^{-}) Flux in Primary Cosmic Rays from 0.5 GeV to 1 TeV with the Alpha Magnetic Spectrometer on the International Space Station
Published in Physical review letters (28-11-2014)“…We present a measurement of the cosmic ray (e^{+}+e^{-}) flux in the range 0.5 GeV to 1 TeV based on the analysis of 10.6 million (e^{+}+e^{-}) events…”
Get full text
Journal Article -
15
Properties of Heavy Secondary Fluorine Cosmic Rays: Results from the Alpha Magnetic Spectrometer
Published in Physical review letters (26-02-2021)“…Precise knowledge of the charge and rigidity dependence of the secondary cosmic ray fluxes and the secondary-to-primary flux ratios is essential in the…”
Get full text
Journal Article -
16
Observation of Complex Time Structures in the Cosmic-Ray Electron and Positron Fluxes with the Alpha Magnetic Spectrometer on the International Space Station
Published in Physical review letters (03-08-2018)“…We present high-statistics, precision measurements of the detailed time and energy dependence of the primary cosmic-ray electron flux and positron flux over 79…”
Get full text
Journal Article -
17
Precision Measurement of Cosmic-Ray Nitrogen and its Primary and Secondary Components with the Alpha Magnetic Spectrometer on the International Space Station
Published in Physical review letters (03-08-2018)“…A precision measurement of the nitrogen flux with rigidity (momentum per unit charge) from 2.2 GV to 3.3 TV based on 2.2×10^{6} events is presented. The…”
Get full text
Journal Article -
18
Periodicities in the Daily Proton Fluxes from 2011 to 2019 Measured by the Alpha Magnetic Spectrometer on the International Space Station from 1 to 100 GV
Published in Physical review letters (31-12-2021)“…We present the precision measurement of the daily proton fluxes in cosmic rays from May 20, 2011 to October 29, 2019 (a total of 2824 days or 114 Bartels…”
Get full text
Journal Article -
19
Properties of Cosmic Helium Isotopes Measured by the Alpha Magnetic Spectrometer
Published in Physical review letters (01-11-2019)“…Precision measurements by the Alpha Magnetic Spectrometer (AMS) on the International Space Station of 3He and 4He fluxes are presented. The measurements are…”
Get full text
Journal Article -
20
Manipulation of fish host by eye flukes in relation to cataract formation and parasite infectivity
Published in Animal behaviour (01-10-2005)“…Trophically transmitted parasites may predispose infected hosts to predation by altering host behaviour, which can be either an adaptation of the parasites to…”
Get full text
Journal Article