H. Park
Korea University
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Featured researches published by H. Park.
Physical Review Letters | 2002
J.M. Link; M. Reyes; P. M. Yager; J. C. Anjos; I. Bediaga; C. Göbel; J. Magnin; A. Massafferri; J. M. De Miranda; I. M. Pepe; A. C. dos Reis; S. Carrillo; E. Casimiro; A. Sanchez-Hernandez; C. Uribe; F. Vázquez; L. Cinquini; J. P. Cumalat; B. O'Reilly; J. E. Ramirez; E.W. Vaandering; J. N. Butler; H. W. K. Cheung; I. Gaines; P. H. Garbincius; L. Garren; E. Gottschalk; P. Kasper; A. Kreymer; R. Kutschke
A high statistics sample of photo-produced charm from the FOCUS(E831) experiment at Fermilab has been used to search for direct CP violation in the decays D+->K_S pi+ and D+ ->K_S K+. We have measured the following asymmetry parameters relative to D+->K-pi+pi+: A_CP(K_S pi+) = (-1.6 +/- 1.5 +/- 0.9)%, A_CP(K_S K+) = (+6.9 +/- 6.0 +/- 1.5)% and A_CP(K_S K+) = (+7.1 +/- 6.1 +/- 1.2)% relative to D+->K_S pi+. The first errors quoted are statistical and the second are systematic. We also measure the relative branching ratios: Gamma(D+->bar{K0}pi+)/Gamma(D+->K-pi+pi+) = (30.60 +/- 0.46 +/- 0.32)%, Gamma(D+->bar{K0}K+)/Gamma(D+->K-pi+pi+) = (6.04 +/- 0.35 +/- 0.30)% and Gamma(D+->bar{K0}K+)/Gamma(D+->bar{K0}pi+) = (19.96 +/- 1.19 +/- 0.96)%.
Nuclear Physics B - Proceedings Supplements | 2003
Sergio P Ratti; J.M. Link; M. Reyes; P. M. Yager; J. C. Anjos; I. Bediaga; C. Göbel; J. Magnin; A. Massafferri; J. M. De Miranda; I. M. Pepe; A. C. dos Reis; S. Carrillo; E. Casimiro; A. Sanchez-Hernandez; C. Uribe; F. Vasquez; L. Cinquini; J. P. Cumalat; B. O'Reilly; J. E. Ramirez; E.W. Vaandering; J. N. Butler; I. Gaines; P. H. Garbincius; L. Garren; E. Gottschalk; P. Kasper; A. Kreymer; R. Kuschke
Physical Review Letters | 2002
J.M. Link; M. Reyes; P. M. Yager; J. C. Anjos; I. Bediaga; C. Göbel; J. Magnin; A. Massafferri; J. M. De Miranda; I. M. Pepe; A. C. dos Reis; S. Carrillo; E. Casimiro; A. Sanchez-Hernandez; C. Uribe; F. Vázquez; L. Cinquini; J. P. Cumalat; B. O'Reilly; J. E. Ramirez; E.W. Vaandering; J. N. Butler; H. W. K. Cheung; I. Gaines; P. H. Garbincius; L. Garren; E. Gottschalk; P. Kasper; A. Kreymer; R. Kutschke
