On the $Λ$ to $Σ^0$ ratio from proton-proton collisions

Details On the $Λ$ to $Σ^0$ ratio from proton-proton collisions On the $Λ$ to $Σ^0$ ratio from proton-proton collisions

2000-04-10

arxiv.org/abs/nucl-th/0004022v2

Physics

Nuclear Physics

Nuclear Theory

5 pages, espcrc2-style, including 4 figures

Scientific paper

We compare the recent COSY data on the total $pp{\to}p\Lambda{K^+}$ and $pp{\to}p\Sigma^0{K^+}$ cross sections with the predictions from two boson exchange models that either are based solely on $\pi$ and $K$ exchange or include $\pi$, $\eta$ and $\rho$ exchange as well as the virtual excitation of intermediate baryon resonances. Both models are found to reproduce the data after the inclusion of final state hyperon-nucleon interactions. Thus, within the experimental uncertainties, both models also roughly reproduce the strong dependence of the $\Lambda$ to $\Sigma^0$ ratio as a function of the excess energy near threshold, as well as at higher energies.

Affiliated with

Also associated with

No associations

Rating

On the $Λ$ to $Σ^0$ ratio from proton-proton collisions 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 On the $Λ$ to $Σ^0$ ratio from proton-proton collisions, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and On the $Λ$ to $Σ^0$ ratio from proton-proton collisions will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-139828