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Inclusive double-Pomeron exchange at the Fermilab Tevatron p̄p collider

Abstract:

The double-Pomeron exchange (DPE) process p̄ + p → p̄′ + X + Y is investigated, where Y is a proton. The ratio of the number of DPE events in the region to the total number of events in the sample was 0.194±0.001±0.012. It was found that the value was lower than the prediction based on Regge factorization by a factor of 1.9 ± 0.2. It was indicated that the formation of a second rapidity gap in a single diffractive (SD) event is relatively unsuppressed. It was observed that the results favor t...

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Authors


Affolder, T More by this author
Akimoto, H More by this author
Albrow, MG More by this author
Ambrose, D More by this author
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Journal:
Physical Review Letters
Volume:
93
Issue:
14
Publication date:
2004-10-01
DOI:
ISSN:
0031-9007
URN:
uuid:a185e27b-fb0e-4b99-889c-7ad04e00b973
Source identifiers:
179335
Local pid:
pubs:179335
Language:
English

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