BABAR Publications

Detailed Index as of April 18, 2024 13:59

PUB-07/028 Search for prompt production of chi_c and X(3872) in e+ e- annihilations
Doc Type Journal Papers
Record Created April 19, 2007
SLAC-PUB
SLAC-PUB-12660  No citations
Preprint # 0707.1633 [hep-ex]
Abstract
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\begin{abstract}
  We have searched for prompt production of $\chi_{c1}$, $\chi_{c2}$ and $X(3872)$
  in continuum $e^+e^-$ annihilations using a 386 fb$^{-1}$ data sample
  collected around $\sqrt{s} = 10.6$ GeV with the $BABAR$ detector
  using the $\gamma J/\psi$ decay mode.
  After accounting for the feed-down from $\psi(2S)\rightarrow\gamma\chi_{c1,2}$,
  no significant signal for prompt $\chi_{c1,2}$ production is observed. We
  present improved upper limits on the cross-section,   
  with the rest of the event consisting of more than two charged tracks, to be 
  77 fb for $\chi_{c1}$ and 79 fb for $\chi_{c2}$
  with $e^+e^-$ center-of-mass frame $\chi_c$ momentum greater than 2.0 GeV
  at 90\% confidence level.
  These limits are consistent with NRQCD predictions.  
  We also set an upper limit on the prompt production of $X(3872)$ through the decay
  $X(3872)\rightarrow \gamma J/\psi$. 
\end{abstract}

Revisions and Files 1 revised April 19, 2007
File Date
Thumbnails
File Name File Type File Format File Size (Kb) Comments
16-JUL-2007 abstract.tex Abstract txt 0.90
16-JUL-2007 babar-pub-07028.pdf Paper (journal paper or conference submission by BABAR Collaboration) pdf 161.03
16-JUL-2007 babar-pub-07028.ps.gz Paper (journal paper or conference submission by BABAR Collaboration) ps.gz 181.70
16-JUL-2007 fig01a.eps Figure or plot eps 25.57
16-JUL-2007 fig02a.eps Figure or plot eps 25.19
Submitted ToPhysical Review D - Rapid Communications
Date SubmittedJuly 12, 2007
Journal Year2007
Journal Volume76
Journal Article/Page Range071102
Categories
  • AWG: Charmonium