E835 is an experiment which continues the study of charmonium. The predecessor experiment, E760, took data during the Fermilab Fixed Target run on 1990-91. Since the last data taking much analysis, writing of papers, development of new detector subsystems, upgrades to exisiting subsytems and preparations for the 1996-97 Fermilab Fixed Target run kept the collaboration busy. Data taking began in October 1996.
A charm quark and an anti-charm anti-quark bound together by the
strong force makes a charmonium meson.
Different combinations of quantum numbers
(e.g. spin and angular momentum) of the two bound constituents
form different charmonium particle states.
The study of the different states' masses, resonance widths and decay
channels increases what is know about the strong force and tests many
different theories concerning the strong interaction.
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E835 News |
Decommissioning. |
Collaborators |
Publications & Memos |
Numbers & Information |
DAQ, Computing & Offline |
1999-2000 Run
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1996-1997 Run
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Photo Gallery |
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Scannerized pictures of the apparatus (from Roger Rusack) |
Detector Information |
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QUARKONIUM WORKING GROUP.
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An E835 web
page template.
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Antihydrogen (E862) Home Page E862 is a companion experiment to E835, running simultaneously using the same gas jet target. Collaborators on E862 are from UC Irvine and Fermilab.
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FNAL home page containing information
for both the laboratory user and the general public.
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HEP Information Center This page includes search engines for Worldwide HEP sites, links to pages for Physics Conferences, HEP Laboratories, etc.
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Bartoszek Engineering founder Larry Bartoszek has played a major role in the construction and installation of both experiments E760 and E835. | |
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