Time-dependent amplitude analysis of $B^0 \to K^0_S\pi^ pi^-$

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In this paper we present results from a time-dependent amplitude analysis of the B{sup 0} {yields} K{sup 0}{sub s}{pi}{sup +}{pi}{sup -} decay. In Sec. II we describe the time-dependent DP formalism, and introduce the signal parameters that are extracted in the fit to data. In Sec. III we briefly describe the BABAR detector and the data set. In Sec. IV, we explain the selection requirements used to obtain the signal candidates and suppress backgrounds. In Sec. V we describe the fit method and the approach used to control experimental effects such as resolution. In Sec. VI we present the results ... continued below

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30 pages

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Aubert, B. May 26, 2009.

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Description

In this paper we present results from a time-dependent amplitude analysis of the B{sup 0} {yields} K{sup 0}{sub s}{pi}{sup +}{pi}{sup -} decay. In Sec. II we describe the time-dependent DP formalism, and introduce the signal parameters that are extracted in the fit to data. In Sec. III we briefly describe the BABAR detector and the data set. In Sec. IV, we explain the selection requirements used to obtain the signal candidates and suppress backgrounds. In Sec. V we describe the fit method and the approach used to control experimental effects such as resolution. In Sec. VI we present the results of the fit, and extract parameters relevant to the contributing intermediate resonant states. In Sec. VII we discuss systematic uncertainties in the results, and finally we summarize the results in Sec. VIII.

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30 pages

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  • Journal Name: Submitted to Physical Review D

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  • Report No.: SLAC-PUB-13640
  • Grant Number: AC02-76SF00515
  • Office of Scientific & Technical Information Report Number: 953501
  • Archival Resource Key: ark:/67531/metadc929200

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  • May 26, 2009

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  • Nov. 13, 2016, 7:26 p.m.

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  • Dec. 15, 2016, 3:33 p.m.

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Aubert, B. Time-dependent amplitude analysis of $B^0 \to K^0_S\pi^ pi^-$, article, May 26, 2009; United States. (digital.library.unt.edu/ark:/67531/metadc929200/: accessed August 16, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.