2024-03-29T07:55:54Zhttp://digital.csic.es/dspace-oai/requestoai:digital.csic.es:10261/1088392018-06-25T10:36:07Zcom_10261_37com_10261_4col_10261_290
DIGITAL.CSIC
author
Aaltonen, T.
author
Álvarez González, B.
author
Casal, Bruno
author
Cuevas, Javier
author
Gómez, G.
author
Palencia, Enrique
author
Rodrigo, Teresa
author
Ruiz Jimeno, Alberto
author
Scodellaro, Luca
author
Vila, Iván
author
Vilar, Rocío
author
Vizán, J.
author
CDF Collaboration
2014-12-17T12:39:19Z
2014-12-17T12:39:19Z
2012
Physical Review D 86: 032007 (2012)
http://hdl.handle.net/10261/108839
10.1103/PhysRevD.86.032007
We report a measurement of time-integrated CP-violation asymmetries in the resonant substructure of the three-body decay D0→KS0π +π - using CDF II data corresponding to 6.0fb -1 of integrated luminosity from Tevatron pp̄ collisions at √s=1.96TeV. The charm mesons used in this analysis come from D *+(2010) →D0π + and D *-(2010)→D ̄0π -, where the production flavor of the charm meson is determined by the charge of the accompanying pion. We apply a Dalitz-amplitude analysis for the description of the dynamic decay structure and use two complementary approaches, namely, a full Dalitz-plot fit employing the isobar model for the contributing resonances and a model-independent bin-by-bin comparison of the D0 and D ̄0 Dalitz plots. We find no CP-violation effects and measure an asymmetry of A CP=(-0.05±0. 57(stat)±0.54(syst))% for the overall integrated CP-violation asymmetry, consistent with the standard model prediction. © 2012 American Physical Society.
eng
openAccess
Measurement of CP-violation asymmetries in D0→KS0π+π -
artículo
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URL
https://digital.csic.es/bitstream/10261/108839/1/Measurement%20of%20CPviolation.pdf
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Measurement of CPviolation.pdf.txt
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Measurement of CPviolation.pdf.txt