Accession Number : ADA506546


Title :   Positronium Annihilation Gamma Ray Laser


Descriptive Note : Final rept. Apr 2007-Apr 2009


Corporate Author : CALIFORNIA UNIV RIVERSIDE DEPT OF PHYSICS


Personal Author(s) : Mills, Jr, Allen P


Full Text : https://apps.dtic.mil/dtic/tr/fulltext/u2/a506546.pdf


Report Date : Jul 2009


Pagination or Media Count : 42


Abstract : The goal of the work reported here is the perfection of a powerful laser based on the coherent annihilation of a Bose-Einstein condensate of positronium, the hydrogen-like atoms formed from bound electron-positron pairs. We have made progress in several areas that takes us closer to our goal. Specifically we report (I) advances in positron storage and manipulation techniques; (II) Development of laser systems for cooling positronium atoms and measuring their velocity distribution; (III) A theoretical estimate of the ignition threshold for DT fuel heated by a burst from an annihilation gamma ray laser; and (IV) A new concept for more rapid laser cooling of light atoms including positronium.


Descriptors :   *POSITRONIUM , *ANNIHILATION REACTIONS , *BOSE EINSTEIN CONDENSATES , *GAMMA RAYS , COOLING , FUELS , STORAGE , LASERS , ATOMS , COHERENCE , THRESHOLD EFFECTS , ESTIMATES


Subject Categories : Nuclear Physics & Elementary Particle Physics
      Quantum Theory and Relativity


Distribution Statement : APPROVED FOR PUBLIC RELEASE