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Search for exclusive gammagamma production in Hadron-Hadron collisions.

Abstract:

We have searched for exclusive gammagamma production in proton-antiproton collisions at sqrt[s]=1.96 TeV, using 532 pb(-1) of integrated luminosity taken by the run II Collider Detector at Fermilab. The event signature requires two electromagnetic showers, each with transverse energy E(T)>5 GeV and pseudorapidity |eta|<1.0, with no other particles detected in the event. Three candidate events are observed. We discuss the consistency of the three events with gammagamma, pi(0)pi(0), or et...

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Publication status:
Published

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Journal:
Physical Review Letters
Volume:
99
Issue:
24
Pages:
242002
Publication date:
2007-12-14
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
Source identifiers:
511
Language:
English
Keywords:
Pubs id:
pubs:511
UUID:
uuid:3737abed-06a3-4c98-9614-95b15de867a1
Local pid:
pubs:511
Deposit date:
2012-12-19

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