On the Production of $π^+π^+$ Pairs in pp Collisions at 0.8 GeV

Details On the Production of $π^+π^+$ Pairs in pp Collisions at 0.8 GeV On the Production of $π^+π^+$ Pairs in pp Collisions at 0.8 GeV

2009-06-17

arxiv.org/abs/0906.3095v1

Eur.Phys.J.A42:159-161,2009

Physics

Nuclear Physics

Nuclear Experiment

Scientific paper

10.1140/epja/i2009-10877-3

Data accumulated recently for the exclusive measurement of the $pp\to pp\pi^+\pi^-$ reaction at a beam energy of 0.793 GeV using the COSY-TOF spectrometer have been analyzed with respect to possible events from the $pp \to nn\pi^+\pi^+$ reaction channel. The latter is expected to be the only $\pi\pi$ production channel, which contains no major contributions from resonance excitation close to threshold and hence should be a good testing ground for chiral dynamics in the $\pi\pi$ production process. No single event has been found, which meets all conditions for being a candidate for the $pp \to nn \pi^+\pi^+$ reaction. This gives an upper limit for the cross section of 0.16 $\mu$b (90% C.L.), which is more than an order of magnitude smaller than the cross sections of the other two-pion production channels at the same incident energy.

Affiliated with

Also associated with

No associations

Rating

On the Production of $π^+π^+$ Pairs in pp Collisions at 0.8 GeV 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 Production of $π^+π^+$ Pairs in pp Collisions at 0.8 GeV, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and On the Production of $π^+π^+$ Pairs in pp Collisions at 0.8 GeV will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-222536