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Alpha Magnetic Spectrometer To Search For Anti-Matter In Space

Geneva:  The Alpha Magnetic Spectrometer (AMS), that will search for antimatter and dark matter in space, will leave European Organization For Nuclear Research (CERN) on August 26 for Kennedy Space Centre on its journey to
alpha magnetic spectrometer to search for anti...
PTI August 18, 2010 21:33 IST
Geneva:  The Alpha Magnetic Spectrometer (AMS), that will search for antimatter and dark matter in space, will leave European Organization For Nuclear Research (CERN) on August 26 for Kennedy Space Centre on its journey to the International Space Station.

The AMS detector will be flown to the Kennedy Space Center, Florida on board a US Air Force Galaxy transport aircraft.

AMS will examine fundamental issues about matter and the origin and structure of the Universe directly from space. Its main scientific target is the search for dark matter and antimatter, in a programme that is complementary to that of the Large Hadron Collider.

Last February the AMS detector travelled from CERN to the European Space Research and Technology Centre (ESTEC) in Noordwijk (Netherlands) for testing to certify its readiness for travel into space. It was returned to CERN for final modifications.

The detector's superconducting magnet was replaced by a permanent magnet from the AMS-01 prototype, which had already flown into space in 1998.

 The reason for the decision was that the operational lifetime of the superconducting magnet would have been limited to three years, because there is no way of refilling the magnet with liquid helium, necessary to maintain the magnet's superconductivity, on board the space station. The permanent magnet, on the other hand, will now allow the experiment to remain operational for the entire lifetime of the ISS.

Said Professor Sam Ting, Nobel laureate and spokesman for the experiment. “The detector's construction phase is now finished and we are eager for the data collection phase to begin.”

“The launch of AMS detector is very timely,” added Roberto Petronzio, President of the Italian National Institute for Nuclear Physics.

  “Today we are well aware of our ignorance of Universe's most abundant constituents and we still challenge the puzzle of matter-antimatter asymmetry. Furthermore, recent results from the Pamela experiment suggest scenarios for important discoveries for AMS.  The experiment stems from a large international collaboration joining the effort of major European funding agencies with the US and China.”

Upon arrival at the Kennedy Space Center, AMS will be installed in a clean room for a few more tests. A few weeks later, the detector will be moved to the space shuttle. NASA is planning the last flight of the space shuttle programme, which will carry AMS into space, for the end of February 2011.

Once docked to the ISS, AMS will search for antimatter and dark matter by measuring cosmic rays.

Data collected in space by AMS will be transmitted to Houston and on to CERN's Prévessin site, where the detector control centre will be located, and to a number of regional physics analysis centres set up by the collaborating institutes.
 

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