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PAMELA detector
PAMELA (Payload for Antimatter Matter Exploration and Light-nuclei Astrophysics) is an operational cosmic ray research module attached to an Earth orbiting satellite. ''PAMELA'' was launched on 15 June 2006 and is the first satellite-based experiment dedicated to the detection of cosmic rays, with a particular focus on their antimatter component, in the form of positrons and antiprotons. Other objectives include long-term monitoring of the solar modulation of cosmic rays, measurements of energetic particles from the Sun, high-energy particles in Earth's magnetosphere and Jovian electrons. It is also hoped that it may detect evidence of dark matter annihilation.〔(【引用サイトリンク】 title=The Space Mission PAMELA )〕
==Development and launch==
''PAMELA'' is the largest device yet built by the Wizard collaboration, which includes Russia, Italy, Germany and Sweden and has been involved in many satellite and balloon-based cosmic ray experiments such as Fermi-GLAST. The 470 kg, US$32 million (EU€24.8 million, UK£16.8 million) instrument was originally projected to have a three-year mission. However, this durable module is still operational and making significant scientific contributions after more than six years.
''PAMELA'' is mounted on the upward-facing side of the Resurs-DK1 Russian satellite.〔 It was launched by a Soyuz rocket from Baikonur Cosmodrome on 15 June 2006. ''PAMELA'' has been put in a polar elliptical orbit at an altitude between 350 and 610 km, with an inclination of 70°.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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