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
Journal Article
·
· Physical Review Letters
OSTI ID:300131
more »
- Argonne National Laboratory, Argonne, Illinois 60439 (United States)
- Istituto Nazionale di Fisica Nucleare, University of Bologna, I-40127 Bologna (Italy)
- Brandeis University, Waltham, Massachusetts 02254 (United States)
- University of California at Los Angeles, Los Angeles, California 90024 (United States)
- University of Chicago, Chicago, Illinois 60637 (United States)
- Duke University, Durham, North Carolina 27708 (United States)
- Fermi National Accelerator Laboratory, Batavia, Illinois 60510 (United States)
- University of Florida, Gainesville, Florida 32611 (United States)
- Laboratori Nazionali di Frascati, Istituto Nazionale di Fisica Nucleare, I-00044 Frascati (Italy)
- University of Geneva, CH-1211 Geneva 4 (Switzerland)
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 }
- OSTI ID:
- 300131
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 25 Vol. 81; ISSN 0031-9007; ISSN PRLTAO
- Country of Publication:
- United States
- Language:
- English
Similar Records
Measurement of the CP-violation parameter sin(2{beta}) in B{sup 0}{sub d}/{ovr B}{sup 0}{sub d} {yields} J/{psi}K{sup 0}{sub s} decays.
Measurement of the CP violation parameter sin(2{beta}) in B{sup 0} {r_arrow}J/{psi} K{sub s}{sup 0} Decays
Measurement of the CP asymmetry parameter sin(2{beta}) at CDF.
Journal Article
·
Mon Nov 30 23:00:00 EST 1998
· Phys. Rev. Lett.
·
OSTI ID:942514
Measurement of the CP violation parameter sin(2{beta}) in B{sup 0} {r_arrow}J/{psi} K{sub s}{sup 0} Decays
Conference
·
Thu Sep 02 00:00:00 EDT 1999
·
OSTI ID:10467
Measurement of the CP asymmetry parameter sin(2{beta}) at CDF.
Conference
·
Wed Oct 14 00:00:00 EDT 1998
·
OSTI ID:11039