Search for Pentaquarks at BABAR

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The results of searches for the strange pentaquark states, {Theta}{sub 5}(1540){sup +}, {Xi}{sub 5}(1860){sup --} and {Xi}{sub 5}(1860){sup 0} in data recorded by the BABAR experiment are presented. We search for these three states inclusively in 123.4 fb{sup -1} of e{sup +}e{sup -} annihilation data produced at the PEP-II asymmetric storage rings; we find no evidence for their production in any physics process, and set limits on their production rates that are well below the measured rates for conventional baryons. We also search for {Theta}{sub 5}(1540){sup +} produced in interactions of electrons or hadrons in the material of the inner ... continued below

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4 pages

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Gotzen, K. & /Ruhr U., Bochum October 19, 2005.

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The results of searches for the strange pentaquark states, {Theta}{sub 5}(1540){sup +}, {Xi}{sub 5}(1860){sup --} and {Xi}{sub 5}(1860){sup 0} in data recorded by the BABAR experiment are presented. We search for these three states inclusively in 123.4 fb{sup -1} of e{sup +}e{sup -} annihilation data produced at the PEP-II asymmetric storage rings; we find no evidence for their production in any physics process, and set limits on their production rates that are well below the measured rates for conventional baryons. We also search for {Theta}{sub 5}(1540){sup +} produced in interactions of electrons or hadrons in the material of the inner part of the detector. No evidence for this state is found in a sample with much higher statistics than similar electroproduction experiments that claim a signal.

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4 pages

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  • To appear in the proceedings of QCD 05: 12th International QCD Conference, Montpellier, France, 4-8 Jul 2005

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  • Report No.: SLAC-PUB-11527
  • Grant Number: AC02-76SF00515
  • Office of Scientific & Technical Information Report Number: 878045
  • Archival Resource Key: ark:/67531/metadc875350

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  • October 19, 2005

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  • Sept. 21, 2016, 2:29 a.m.

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  • Dec. 1, 2016, 7:06 p.m.

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Gotzen, K. & /Ruhr U., Bochum. Search for Pentaquarks at BABAR, article, October 19, 2005; [Menlo Park, California]. (digital.library.unt.edu/ark:/67531/metadc875350/: accessed August 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.