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- W2258222021 abstract "We present a measurement of the time-dependent asymmetry in the rate for {ovr B}{sup thinsp0}{sub d} versus B{sup 0}{sub d} decays to J/{psi}K{sup 0}{sub S} . A nonzero asymmetry would be an indication of CP violation, and within the standard model this may be used to measure the CP -violation parameter sin(2{beta}) . A total of 198{plus_minus}17 B{sup 0}{sub d}/{ovr B}{sup thinsp0}{sub d} decays were observed in p{ovr p} collisions at {radical} (s) =1.8 TeV by the CDF detector at the Fermilab Tevatron. B{sup 0}{sub d} and {ovr B}{sup thinsp0}{sub d} are distinguished by a technique based on charge correlations from hadronization of the b quark. Our analysis results in sin(2{beta})=1.8{plus_minus}1.1(stat ){plus_minus}0.3(syst) . {copyright} {ital 1998} {ital The American Physical Society }" @default.
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- W2258222021 date "1998-12-01" @default.
- W2258222021 modified "2023-10-17" @default.
- W2258222021 title "Measurement of the CP -Violation Parameter sin(2{beta}) in B{sup 0}{sub d}/{ovr B}{sup thinsp0}{sub d } {r_arrow} J/{psi}K{sup 0}{sub S} Decays" @default.
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