Fermilab 'ghosts' hint at new particles


	Fermilab 'ghosts' hint at new particles

arifsali

11-6-2008 2:23 PM

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physics, particle, science

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/f151619d-92ce-489b-a742-a7bcc37a06ef/10E2FB0C-8534-41DF-A08E-1B77048C8874/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://physicsworld.com/cws/article/news/36514" href="http://physicsworld.com/cws/article/news/36514" style="font-size: 11px;">physicsworld.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://physicsworld.com/cws/article/news/36514">Physicists at the Tevatron collider at Fermilab in the US, which is enjoying extended status as the world’s most powerful particle collider while CERN’s Large Hadron Collider (LHC) awaits repair, have reported signals in their data that hint at the existence of new fundamental particles. Last week members of the CDF experiment, one of the Tevatron’s two huge particle detectors, posted a preprint detailing a large sample of proton–antiproton collisions that cannot be accounted for either by quirks of the CDF detector or by known processes in the standard model of particle physics</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://physicsworld.com/cws/article/news/36514"><div align="center"><img src="http://content8.clipmarks.com/blog_cache/physicsworld.com/img/76BB0000-B1B9-4B3F-B686-CA7E3E3DC371" alt="The CDF experiment at Fermilab" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://physicsworld.com/cws/article/news/36514"><P>
If the result does turn out to be due to some unexpected new process, it would be the most significant discovery in particle physics for decades. However, almost a third of CDF’s 600 or so collaborators (including some entire university groups) decided not to put their names on the paper, many believing that publication was premature because more checks need to be done.
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