Rapidity gaps in jet events at D0

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Description

Preliminary results from the D0 experiment on jet production with rapidity gaps in p{anti p} collisions are presented. A class of dijet events with a forward rapidity gap is observed at center-of-mass energies {radical}s = 1800 GeV and 630 GeV. The number of events with rapidity gaps at both center-of-mass energies is significantly greater than the expectation from multiplicity fluctuations and is consistent with a hard diffractive process. A class of events with two forward gaps and central dijets is also observed at 1800 GeV. This topology is consistent with hard double pomeron exchange.

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11 p.

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Abbott, B.; Abolins, M.; Acharya, B.S. & Collaboration, D0 July 1, 1997.

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Description

Preliminary results from the D0 experiment on jet production with rapidity gaps in p{anti p} collisions are presented. A class of dijet events with a forward rapidity gap is observed at center-of-mass energies {radical}s = 1800 GeV and 630 GeV. The number of events with rapidity gaps at both center-of-mass energies is significantly greater than the expectation from multiplicity fluctuations and is consistent with a hard diffractive process. A class of events with two forward gaps and central dijets is also observed at 1800 GeV. This topology is consistent with hard double pomeron exchange.

Physical Description

11 p.

Notes

INIS; OSTI as DE97054022

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  • 18. international symposium on lepton photon interactions, Hamburg (Germany), 28 Jul - 1 Aug 1997

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  • Other: DE97054022
  • Report No.: FNAL/C--97/251-E
  • Report No.: CONF-970787--
  • Grant Number: AC02-76CH03000
  • Office of Scientific & Technical Information Report Number: 568921
  • Archival Resource Key: ark:/67531/metadc698724

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  • July 1, 1997

Added to The UNT Digital Library

  • Aug. 14, 2015, 8:43 a.m.

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  • April 1, 2016, 5:45 p.m.

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Abbott, B.; Abolins, M.; Acharya, B.S. & Collaboration, D0. Rapidity gaps in jet events at D0, article, July 1, 1997; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc698724/: accessed September 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.