http://www.physorg.com/ en-us Physorg.com internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. New, higher precision data that could only have been gathered at the Department of Energy`s Thomas Jefferson National Accelerator Facility (Jefferson Lab) shows the Theta-plus pentaquark doesn`t appear in another place it was expected. http://www.physorg.com/news4903.html Physics Fri, 01 Jul 2005 15:21:31 EST news4903 New data from the Department of Energy's Jefferson Lab shows the pentaquark doesn't appear in one place it was expected. The result contradicts earlier findings in this same region and adds to the controversy over whether research groups from around the world have caught a glimpse of the so-called pentaquark, a particle built of five quarks. http://www.physorg.com/news3815.html Physics Thu, 21 Apr 2005 10:23:31 EST news3815 This new particle, called Theta+, is believed to be the first observed "pentaquark," a type of matter composed of five subatomic quarks instead of the standard three or the more unstable two. "Discovered" by Japanese physicists in 2002 and published in 2003, Theta+ is one of those enigmatic developments that churns the arcane world of quantum physics while stirring barely a ripple outside it. http://www.physorg.com/news878.html Physics Sun, 22 Aug 2004 00:58:38 EST news878