S-D mixing and $ψ(3770)$ production in $e^+e^-$ annihilation and B decay and its radiative transitions

Details S-D mixing and $ψ(3770)$ production in $e^+e^-$ annihilation and B decay and its radiative transitions S-D mixing and $ψ(3770)$ production in $e^+e^-$ annihilation and B decay and its radiative transitions

2004-05-13

arxiv.org/abs/hep-ph/0405126v2

Phys.Rev.D70:094001,2004

Physics

High Energy Physics

High Energy Physics - Phenomenology

final version to appear in Phys.Rev.D, discussion on uncertainties associated with the color-octet matrix elements is added, 1

Scientific paper

10.1103/PhysRevD.70.094001

The large decay rate observed by Belle for $B^+\to\psi(3770)K^+$, which is comparable to $B^+\to\psi(3686)K^+$, might indicate either an unexpectedly large S-D mixing angle $|\theta|\approx 40^o$ or the leading role of the color-octet mechanism in D-wave charmonium production in B decay. By calculating the production rate of $\psi(3770)$ in the continuum $e^+e^-$ annihilation at $\sqrt{s}=10.6$ GeV with these two possible approaches (i.e. the large S-D mixing and the color-octet mechanism), we show that the measurement for this process at Belle and BaBar may provide a clear cut clarification for the two approaches. In addition, the radiative E1 transition ratio $\Gamma(\psi(3770)\to \gamma\chi_{c2})/\Gamma(\psi(3770)\to \gamma\chi_{c1})$ may dramatically change from $\sim$ 0.04 (for $\theta\approx 0^o$) to $\sim$ 200 (for $\theta\approx -40^o$) due to the large S-D interference effect, thus the E1 transition measurement of $\psi(3770)$ at BES and CLEO-c will also be very useful in clarifying this issue.

Affiliated with

Also associated with

No associations

Rating

S-D mixing and $ψ(3770)$ production in $e^+e^-$ annihilation and B decay and its radiative transitions does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with S-D mixing and $ψ(3770)$ production in $e^+e^-$ annihilation and B decay and its radiative transitions, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and S-D mixing and $ψ(3770)$ production in $e^+e^-$ annihilation and B decay and its radiative transitions will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-671453