BABAR Publications

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PUB-10/031 Measurement of the D_s1(2536) mass and width
Doc Type Journal Papers
Record Created November 25, 2010
SLAC-PUB
SLAC-PUB-14400  No citations
Preprint # 1103.2675
Accession Code DC10983
First Author Lees
Abstract
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The decay width and mass of the Ds1(2536)+ meson are measured via the decay channel Ds1+ -> D*+KS0 using 385 fb^-1 of data recorded with the BABAR detector in the vicinity of the Y(4S) resonance at the PEP-II asymmetric-energy electron-positron collider. The result for the decay width is 0.92 +- 0.03 (stat) +- 0.04 (syst) MeV. For the mass, a value of 2535.08 +- 0.01 +- 0.15 MeV/c^2 is obtained. The mass difference between the Ds1+ and the D*+ is measured to be 524.83 +- 0.01 +- 0.04 MeV/c^2, representing a significant improvement compared to the current world average. The unnatural spin-parity assignment for the Ds1+ meson is confirmed.
Revisions and Files 1 revised November 25, 2010
File Date
Thumbnails
File Name File Type File Format File Size (Kb) Comments
15-MAR-2011 abstract.txt Abstract txt 0.63
15-MAR-2011 babar-pub-10031.pdf B.A.D.: Draft of a journal article pdf 433.82
15-MAR-2011 babar-pub-10031.ps.gz B.A.D.: Draft of a journal article ps.gz 446.63
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Submitted ToPhysical Review D
Date SubmittedMarch 14, 2011
Journal Year2011
Journal Volume83
Journal Article/Page Range072003
Categories
  • AWG: Charm