Publications (23)
PAMELA's measurements of geomagnetically trapped and albedo protons
A. Bruno, O. Adriani, G. C. Barbarino +64
Data from the PAMELA satellite experiment were used to perform a detailed measurement of under-cutoff protons at low Earth orbits. On the basis of a trajectory tracing approach usi…
PAMELA Measurements of Cosmic-ray Proton and Helium Spectra
O. Adriani, G. C. Barbarino, G. A. Bazilevskaya +62
Protons and helium nuclei are the most abundant components of the cosmic radiation. Precise measurements of their fluxes are needed to understand the acceleration and subsequent pr…
Solar energetic particle events: trajectory analysis and flux reconstruction with PAMELA
A. Bruno, O. Adriani, G. C. Barbarino +64
The PAMELA satellite experiment is providing first direct measurements of Solar Energetic Particles (SEPs) with energies from about 80 MeV to several GeV in near-Earth space, bridg…
The cosmic-ray positron energy spectrum measured by PAMELA
PAMELA Collaboration, O. Adriani, G. C. Barbarino +63
Precision measurements of the positron component in the cosmic radiation provide important information about the propagation of cosmic rays and the nature of particle sources in ou…
Back-Tracing and Flux Reconstruction for Solar Events with PAMELA
A. Bruno, O. Adriani, G. C. Barbarino +64
The PAMELA satellite-borne experiment is providing first direct measurements of Solar Energetic Particles (SEPs) with energies from 80 MeV to several GeV in near-Earth space.…
Measurement of the isotopic composition of hydrogen and helium nuclei in cosmic rays with the PAMELA experiment
O. Adriani, G. C. Barbarino, G. A. Bazilevskaya +59
The satellite-borne experiment PAMELA has been used to make new measurements of cosmic ray H and He isotopes. The isotopic composition was measured between 100 and 600 MeV/n for hy…
Time dependence of the proton flux measured by PAMELA during the July 2006 - December 2009 solar minimum
O. Adriani, G. C. Barbarino, G. A. Bazilevskaya +61
The energy spectra of galactic cosmic rays carry fundamental information regarding their origin and propagation. These spectra, when measured near Earth, are significantly affected…
The cosmic-ray electron flux measured by the PAMELA experiment between 1 and 625 GeV
PAMELA Collaboration, O. Adriani, G. C. Barbarino +64
Precision measurements of the electron component in the cosmic radiation provide important information about the origin and propagation of cosmic rays in the Galaxy. Here we presen…
PAMELA's Measurements of Magnetospheric Effects on High Energy Solar Particles
O. Adriani, G. C. Barbarino, G. A. Bazilevskaya +64
The nature of particle acceleration at the Sun, whether through flare reconnection processes or through shocks driven by coronal mass ejections (CMEs), is still under scrutiny desp…
The construction of the Fiber-SiPM beam monitor system of the R484 and R582 experiments at the RIKEN-RAL muon facility
M. Bonesini, R. Bertoni, F. Chignoli +12
The scintillating fiber-SiPM beam monitor detectors, designed to deliver beam informations for the R484 and R582 experiments at the high intensity, low energy pulsed muon beam at t…
Trapped proton fluxes at low Earth orbits measured by the PAMELA experiment
O. Adriani, G. C. Barbarino, G. A. Bazilevskaya +59
We report an accurate measurement of the geomagnetically trapped proton fluxes for kinetic energy above > 70 MeV performed by the PAMELA mission at low Earth orbits (350-610 km). D…
Steps towards the hyperfine splitting measurement of the muonic hydrogen ground state: pulsed muon beam and detection system characterization
A. Adamczak, G. Baccolo, D. Bakalov +52
The high precision measurement of the hyperfine splitting of the muonic-hydrogen atom ground state with pulsed and intense muon beam requires careful technological choices both in…
Cosmic-Ray Positron Identification with the PAMELA experiment
O. Adriani, G. C. Barbarino, G. A. Bazilevskaya +63
The PAMELA satellite borne experiment is designed to study cosmic rays with great accuracy in a wide energy range. One of PAMELA's main goal is the study of the antimatter componen…
First Results from the PAMELA Space Mission
M. Boezio, V. Bonvicini, G. Jerse +53
On the 15th of June 2006, the PAMELA satellite-borne experiment was launched from the Baikonur cosmodrome and it has been collecting data since July 2006. The apparatus comprises a…
PAMELA results on the cosmic-ray antiproton flux from 60 MeV to 180 GeV in kinetic energy
PAMELA Collaboration, O. Adriani, G. C. Barbarino +61
The satellite-borne experiment PAMELA has been used to make a new measurement of the cosmic-ray antiproton flux and the antiproton-to-proton flux ratio which extends previously pub…
The discovery of geomagnetically trapped cosmic ray antiprotons
O. Adriani, G. C. Barbarino, G. A. Bazilevskaya +61
The existence of a significant flux of antiprotons confined to Earth's magnetosphere has been considered in several theoretical works. These antiparticles are produced in nuclear i…
Capability of the PAMELA Time-Of-Flight to identify light nuclei: results from a beam test calibration
D. Campana, R. Carbone, G. De Rosa +12
PAMELA is a space telescope orbiting around the Earth since June 2006. The scientific objectives addressed by the mission are the measurement of the antiprotons and positrons spect…
A statistical procedure for the identification of positrons in the PAMELA experiment
O. Adriani, G. C. Barbarino, G. A. Bazilevskaya +58
The PAMELA satellite experiment has measured the cosmic-ray positron fraction between 1.5 GeV and 100 GeV. The need to reliably discriminate between the positron signal and proton…
The PAMELA Space Experiment
E. Mocchiutti, O. Adriani, G. C. Barbarino +55
The 15th of June 2006, the PAMELA satellite-borne experiment was launched from the Baikonur cosmodrome and it has been collecting data since July 2006. The apparatus comprises a ti…
PAMELA's measurements of geomagnetic cutoff variations during solar energetic particle events
A. Bruno, O. Adriani, G. C. Barbarino +64
Data from the PAMELA satellite experiment were used to measure the geomagnetic cutoff for high-energy ( 80 MeV) protons during the solar particle events on 2006 December 1…
Science with the new generation high energy gamma- ray experiments
M. Alvarez, D. D'Armiento, G. Agnetta +197
This Conference is the fifth of a series of Workshops on High Energy Gamma- ray Experiments, following the Conferences held in Perugia 2003, Bari 2004, Cividale del Friuli 2005, El…
Observations of the December 13 and 14, 2006, Solar Particle Events in the 80 MeV/n - 3 GeV/n range from space with PAMELA detector
O. Adriani, G. C. Barbarino, G. A. Bazilevskaya +61
We present the space spectrometer PAMELA observations of proton and helium fluxes during the December 13 and 14, 2006 solar particle events. This is the first direct measurement of…
Measurement of boron and carbon fluxes in cosmic rays with the PAMELA experiment
O. Adriani, G. C. Barbarino, G. A. Bazilevskaya +61
The propagation of cosmic rays inside our galaxy plays a fundamental role in shaping their injection spectra into those observed at Earth. One of the best tools to investigate this…