| 1. |
- Adriani, O., et al.
(author)
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The PAMELA space mission
- 2009
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Conference paper (peer-reviewed)abstract
- The PAMELA (a Payload for Antimatter-Matter Exploration and Light-nuclei Astrophysics) space mission has been launched on-board the Resurs-DK1 satellite on June 15(th) 2006 from the Baikonur cosmodrome, in Kazakhstan. PAMELA is a particle spectrometer designed to study charged particles in the cosmic radiation with special focus on the investigation of the nature of dark matter, by mean of the measure of the cosmic-ray antiproton and positron spectra over the largest energy range ever achieved.
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| 2. |
- Casolino, M., et al.
(author)
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Cosmic ray measurements with Pamela experiment
- 2009
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Conference paper (peer-reviewed)abstract
- PAMELA is a satellite borne experiment designed to study with great accuracy cosmic rays of galactic, solar, and trapped nature hi a wide energy range (protons: 80 MeV-700 GeV, electrons 50 MeV-400 GeV). Main objective is the study of the antimatter component: antiprotons (80 MeV-190 GeV), positrons (50 MeV-270 GeV) and search for antinuclei with a precision of the order of 10(-8)). The experiment, housed on board the Russian Resurs-DK1 satellite, was launched on June, 15(th) 2006 in a 350 X 600 km orbit with an inclination of 70 degrees. In this work we describe the scientific objectives awl the performance of PAMELA in its first two years of operation. Data oil protons of trapped, secondary and galactic nature - as well as measurements of the December 13(th) 2006 Solar Particle Event - are also provided.
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| 3. |
- Papini, P., et al.
(author)
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Latest results from PAMELA
- 2009
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Conference paper (peer-reviewed)abstract
- The PAMELA experiment is a satellite-borne apparatus designed to study charged particles in the cosmic radiation, with a particular focus on antiparticles. The detector is housed on the Resurs-DK1 satellite and it is taking data since June 2006. The main parts of the apparatus are a magnetic spectrometer, which is equipped with a silicon-microstrip tracking system and which is used to measure the rigidity and the charge of particles, and a silicon/tungsten electromagnetic calorimeter which provides particle identification. The main results about the antiparticles component of cosmic rays obtained during the first 500 days of data taking are summarized here.
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| 4. |
- Bredthauer, Andreas
(author)
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Generalized Kaehler geometry from supersymmetry
- 2006
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Conference paper (peer-reviewed)abstract
- We review the physical derivation of generalized Kähler geometry of [A. Bredthauer, et. al., Lett. Math. Phys. 77 (2006) 291 [ hep-th/0603130 ]]. The relation between supersymmetry and complex geometry has long been known. In particular, for a two-dimensional sigma model with N = ( 2 , 2 ) worldsheet supersymmetry, the target space is bi-hermitian. Recent developments in mathematics shed new light on this topic. Here, we rederive and explain the results of Gualtieri regarding the equivalence between generalized Kähler and bi-hermitian geometry from the sigma model point of view and show how this relation is obtained by considering the Lagrangian and the Hamiltonian formulation of the sigma model.
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