Article: NEW DETECTOR MAY IMPROVE DETECTION OF DARK MATTER IN UNIVERSE

Article: Listening to dark matter.
NewsRx Health & Science;  November 2, 2008 ;     700+ words ... ... neutrons and alpha particles in a detector ... very similar to dark matter induced signals ... suppression in dark matter searches with ... detector. So far, alpha particles have been an ... detection of dark matter's weakly interacting ...

Article: Insertions May Point to Past Exposure to High-LET (alpha) ...
Blood Weekly;  March 16, 2000 ;     700+ words ... ... environmentally relevant doses of high-LET (alpha)-particles, according to a report from England ... lymphocytes after exposure to high-LET (alpha)-particles in vitro ("Complex chromosome aberrations ... biomarker of exposure to high-LET alpha-particles," International Journal of ...

Article: More than one way to mutate a cell's DNA.(alpha ...
Science News;  May 1, 1999 ;     700+ words ... ... directly, new research shows. These alpha particles spawn chemicals called free radicals ... ground, accounts for most of the alpha particles that bombard people. Second only ... attributed the cellular havoc wreaked by alpha particles to their direct effects on DNA. The ...

Article: New Jersey Inventors Develop Ambient Air Alpha ...
US Fed News Service, Including US State News;  September 19, 2006 ;     587 words ... ... have developed an ambient air alpha particles ionization detector. According to ... radiological public health risk from alpha particles emitted by inhaled air. The ionized ... overcomes the difficulties in measuring alpha particles caused by oxygen ions that quickly ...

Article: Experiments with rotating collimators cutting out pencil of ...
Progress in Physics;  April 1, 2005 ;     700+ words ... ... collimators restricting a flow of the alpha particles of radioactive decay at the direction ... measurements, but about a direction of alpha particles flow. In experiments with two collimators ... collimator, restricting a flow of the alpha particles in a certain direction. Results of ...

Article: Effect of the Size Distribution of Alpha Particles ...
Metallurgical and Materials Transactions;  January 1, 2005 ;     700+ words ... ... describe the diffusional growth of a size distribution of alpha particles in Ti-6Al-4V during cooldown following alpha/beta ... In particular, the static-coarsening behavior of the alpha particles during heating cycles typical of those used during ingot ...

Encyclopedia entry: alpha particles
World Encyclopedia;      289 words ...alpha particles ( alpha rays ) Stable, positively charged particle emitted spontaneously from the nuclei of certain radioactive isotopes undergoing ...