Search for CP Violation in the Decay D+/- to Ks pi+/-
Journal Article
·
· Phys.Rev.D83:071103,2011
We report on a search for CP violation in the decay D{sup {+-}} {yields} K{sub S}{sup 0}{pi}{sup {+-}} using a data set corresponding to an integrated luminosity of 469 fb{sup -1} collected with the BABAR detector at the PEP-II asymmetric energy e{sup +}e{sup -} storage rings. The CP-violating decay rate asymmetry A{sub CP} is determined to be (-0.44 {+-} 0.13(stat) {+-} 0.10(syst))%, consistent with zero at 2.7 {sigma} and with the standard model prediction of (-0.332 {+-} 0.006)%. This is currently the most precise measurement of this parameter.
- Research Organization:
- SLAC National Accelerator Lab., Menlo Park, CA (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC02-76SF00515
- OSTI ID:
- 1023238
- Report Number(s):
- SLAC-PUB-14314; PRVDAQ; arXiv:1011.5477; TRN: US1104384
- Journal Information:
- Phys.Rev.D83:071103,2011, Vol. 83, Issue 7; ISSN 1550-7998
- Country of Publication:
- United States
- Language:
- English
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