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Prospects for the study of gluonic states at Beijing Electron- Positron Collider (BEPC)

Description: Progress in the study of gluonic states depends crucially on accumulating data samples of order 10/sup 8/ J//psi/ decays, in order to perform complete partial wave analyses of radiative and hadronic J//psi/ decays. This requirement is well matched to the capabilities of the Beijing Electron-Positron Collider, which has approached the necessary luminosity in its first two months of operation. 28 refs., 1 fig., 1 tab.
Date: January 11, 1989
Creator: Chanowitz, Michael S.
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Partner: UNT Libraries Government Documents Department
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Measurements of the CP-violation parameter sin(2 beta) in B{superscipt 0} {right arrow} J/{psi}K{0 over S} decays

Description: In the 110 pb{sup -1} Run I data sample, using three complementary flavor-tagging algorithms CDF has made a new measurement of the CP-violating asymmetry sin(2{beta})=0.79{sup +0.41}{sub -0.44}, This corresponds to the limit sin(2{beta})>-0.08 at 95% confidence level. This result agrees well with predictions from indirect constraints based on fits of elements of the CKM matrix.
Date: May 11, 1999
Creator: Lewis, J. D.
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Partner: UNT Libraries Government Documents Department
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CDF results on hard diffraction and rapidity gap physics

Description: We review published rapidity gap results on diffractive W and dijet production and discuss new results on diffractive b and J/{psi} production. The diffractive structure function of the proton obtained from Roman pot dijet data is presented and com- pared with expectations based on the diffractive parton densities extracted from DIS at HERA. Also presented are results on dijet production in double Pomeron exchange. Finally, we review hard double-diffractive results (rapidity gaps between jets) … more
Date: October 11, 1999
Creator: Convery, M. E.
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Partner: UNT Libraries Government Documents Department
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