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Article #86Re: Is Positronium an atom?
From: Charles Packer
Date: Wed, 29 Jul 1992 12:00
Date: Wed, 29 Jul 1992 12:00
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In article <UeRMlBy00UhBQ3IWhw@andrew.cmu.edu>, pk03+@andrew.cmu.edu (Paul Karol) writes... >Is positronium an atom? Yes and no. It is sometimes called an "exotic >atom". It doesn't have a nucleus in the usual sense of Okay, I'm reading this from sci.misc, where there's also a thread about whales blowing air bubble rings for fun. Now tell me, does positronium exist only in particle accelerator events, or can one make, say, a gram of the stuff?
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Newsgroups: sci.misc,sci.physics Path: arc1-ca.pugleaf.net!sparky!uunet!sun-barr!ames!nsisrv!amarna.gsfc.nasa.gov!packer From: packer@amarna.gsfc.nasa.gov (Charles Packer) Subject: Re: Is Positronium an atom? Message-ID: <29JUL199208005030@amarna.gsfc.nasa.gov> News-Software: VAX/VMS VNEWS 1.4-b1 Sender: usenet@nsisrv.gsfc.nasa.gov (Usenet) Nntp-Posting-Host: amarna.gsfc.nasa.gov Organization: Dept. of Independence References: <UeRMlBy00UhBQ3IWhw@andrew.cmu.edu> Date: Wed, 29 Jul 1992 12:00:00 GMT Lines: 9