INFN e Università di Roma Tor Vergata WiZard PAMELA Commissione II INFN Piergiorgio Picozza INFN e Università di Roma Tor Vergata Perugia, 27 Settembre 2011
COSMIC RAYS
Proton and Helium fluxes Science 332,69 (2011) ICRC≠≠1218
Proton and Helium fluxes
Proton Flux
Helium Flux
Vari modelli presentati all’ICRC Proton to Helium ratio Vari modelli presentati all’ICRC
Proton and Helium fluxes PAMELA ICRC≠≠196
Solar Modulation of galactic cosmic rays BESS Caprice / Mass /TS93 AMS-01 Pamela Study of charge sign dependent effects Asaoka Y. et al. 2002, Phys. Rev. Lett. 88, 051101), Bieber, J.W., et al. Physi-cal Review Letters, 84, 674, 1999. J. Clem et al. 30th ICRC 2007 U.W. Langner, M.S. Potgieter, Advances in Space Research 34 (2004)
Time Dependence of PAMELA Proton Flux Decreasing solar activity Increasing GCR flux
Time Dependence of PAMELA Proton Flux Full solar minimum Time (month / year)
Time Dependence of PAMELA Helium Flux
Gradients in the Heliosphere, PAMELA & ULYSSES This slide shows the Ulysses orbit together with the trajectory of the Earth project. While PAMELA stays close to Earth the Kiel Electron Telescope moves within the inner heliosphere ICRC≠≠569 ASTRA 2011 15
Gradients in the Heliosphere, PAMELA & ULYSSES Comparison of the proton flux measured between 1.5 and 1.57GV by PAMELA and ULYSSES as a function of time Mirko Boezio, COSPAR, Bremen, 2010/07/18
Radial gradients
Latitudinal gradients
Boron and Carbon nuclei Spectra ICRC≠≠1079
C/O ratio
Light nuclei isotopes 3He/4He 2H/4He ICRC≠≠842 2H/H Preliminary
Measurements of Lithium Isotopes preliminary ICRC 0669
Measurements of Beryllium Isotopes preliminary preliminary PAMELA pre-preliminary ICRC 0669
PAMELA Electron flux Phys. Rev. Lett. 106, 201101 (2011)
PAMELA electron (e-) spectrum Flux=A • E- = 3.18 ±0.05 e- e+ + e- O. Adriani et al., PRL 106 (2011) 201101.
All electrons
Time Dependence of PAMELA Electron (e-) Flux Preliminary
Antiparticles
Antiproton Flux (0.06 GeV - 180 GeV) Donato et al. (ApJ 563 (2001) 172) Ptuskin et al. (ApJ 642 (2006) 902) PRL. 105, 121101 (2010)
Antiproton to proton ratio (0.06 GeV - 180 GeV) Simon et al. (ApJ 499 (1998) 250) Ptuskin et al. (ApJ 642 (2006) 902) Donato et al. (PRL 102 (2009) 071301) PRL 102, 051101 (2009) and PRL. 105, 121101 (2010)
Estimate of the lower limit Preliminary ICRC 815
PAMELA & Fermi Positron Fraction Fermi Symposium, May 9 2011
Positron flux ICRC≠≠815
PAMELA trapped antiprotons O. Adriani et al., APJL 737 L29 (2011); ICRC≠≠1029
Antielio su Elio JEPT Letters, Vol. 93, N.11, 628, 2011
Subcut-off electrons and positrons ICRC≠≠558
Pubblicazioni Settembre 2010 – Settembre 2011 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. The Astrophysical Journal, ISSN: 0004-637X (in stampa). PAMELA Measurements of Cosmic-Ray Proton and Helium Spectra. SCIENCE, vol. 332 no. 6025; p. 69-72, ISSN: 0036-8075, doi: 10.1126/science.1199172 (2011) The discovery of geomagnetically trapped cosmic ray antiprotons. The Astrophysical Journal Letters, vol. 737; p. L29, ISSN: 2041-8205, doi: 10.1088/2041-8205/737/2/L29 (2011) The cosmic-ray electron flux measured by the PAMELA experiment between 1 and 625 GeV. Physical Review Letters, vol. 106; p. 201101, ISSN: 0031-9007 (2011) High-Energy Cosmic Ray Proton Spectrum. Bulletin Of The Lebedev Physics Institute, vol. 38, n.3; p. 68-75, (2011) Upper Limit on the Antihelium Flux In Primary Cosmic Rays JEPT Letters, Vol. 93, N.11, 628, (2011 PAMELA results on the cosmic-ray antiproton flux from 60 MeV to 180 GeV in kinetic energy. Physical Review Letters, vol. 105, Issue 12; p. 121101, (2010) A statistical procedure For The Identification Of Positrons In The PAMELA Experiment. Astroparticle Physics, vol. 34; p. 1-11, (2010)
The instrument PAMELA for antimatter and dark matter search in space. NIM vol. 623, Issue 2; p. 672-676, ISSN: 0168-9002, doi: 10.1016/j.nima.2010.02.099 (2010) Latitudinal and radial gradients of galactic cosmic ray protons in the inner heliosphere – PAMELA and Ulysses observations, ASTRA, in press, 2011. 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, in press on The Astrophysical Journal, 2011. PAMELA and electrons. 2nd Roma International Conference on Astroparticle Physics (RICAP 2009), vol. 630, Issue 1, p. 28-35, doi: 10.1016/j.nima.2010.06.021 (2011) Detection of antimatter in our Galaxy. IoP Journals Conference Series, vol. 203, doi: 10.1088/1742-6596/203/1/012021 (2010) Cosmic rays studies with the PAMELA space experiment. Il Nuovo Cimento, vol. 32 C, Issue 05-06, p. 1-10, (2011).
Talks at ICRC 1. Highlight talk: Five years of PAMELA in orbit Piergiorgio Picozza Sessioni Parallele 1. Study of a possible Jupiter signature on the Cosmic Rays measured by PAMELA M. Ricci SH 3.2 2. Sub-cutoff spectra of electrons and positrons measured with PAMELA V. Mikhaylov OG 1.1 3. Measurements of Cosmic-Ray Lithium and Beryllium Isotopes with the PAMELA-Experiment W. Menn OG 1.1 4. Electrons and Positron Spectra Measured by the PAMELA Space Experiment Mocchiutti Emiliano OG 1.1 5. First detection of geomagnetically trapped antiprotons by the PAMELA experiment A. Bruno OG 1.1 6. Recent PAMELA measurements of proton and helium nuclei and cosmic ray acceleration in the galaxy M. Casolino OG 1.1 7. Spatial Gradients of Galactic Cosmic Ray Protons in the Inner Heliosphere - PAMELA and Ulysses Observations C. de Santis SH 3.3
Posters at ICRC 1. OG1.1 196 A. KARELIN, The method and some results of high energy primary proton and light nuclei measurements with the PAMELA calorimeter 2. OG1.1 232 G. OSTERIA Measurements of light nuclei with the Time of Flight system of the PAMELA experiment 3. OG1.1 667 L.ROSSETTO, Positron identification study with the PAMELA calorimeter 4. OG1.1 842 V. FORMATO, Measurement of Deuterium and 3He component in cosmic rays with Pamela experiment 5. OG1.1 963 F. S. CAFAGNA, A. BRUNO Precise measurement of trapped proton fluxes by the PAMELA experiment 6. OG1.1 1079 C. DE SANTIS PAMELA measurements of boron and carbon spectra in the energy range 100MeV/n - 100GeV/n 7. SH4.2 567 V. MIKHAYLOV, Sub-cutoff spectra of electrons and positrons measured with PAMELA
Stato del Satellite Piena operatività del satellite Decisione dei Russi di continuare oltre il 31 Dicembre Necessità di partecipare alle spese vive