{pi}{pi} final state interaction in K{r_arrow}{pi}{pi}, pp{r_arrow}pp{pi}{pi}, and related processes
- Paul Scherrer Institute, 5232 Villigen PSI (Switzerland)
Final state interactions in the S-wave {pi}{pi} system (I=0,2) are reexamined on the basis of the Omn{grave e}s-Muskhelishvili equation and the coupled channel formalism. The contributions to the pion scalar form factor from {rho} and f{sub 2}(1270) exchange in the t channel and from the f{sub 0}(980) s-channel resonance are separately evaluated and the role of the nontrivial polynomial in the Omn{grave e}s function in a coupled channel situation is elucidated. Applications are made to K{r_arrow}{pi}{pi} and pp{r_arrow}pp{pi}{pi}. It is found that the contribution from the f{sub 0} resonance to the form factor is strongly reduced by a nearby zero. {copyright} {ital 1997} {ital The American Physical Society}
- OSTI ID:
- 467539
- Journal Information:
- Physical Review, D, Journal Name: Physical Review, D Journal Issue: 5 Vol. 55; ISSN PRVDAQ; ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
Similar Records
Combined analysis of the reactions pp{r_arrow}pp,{pi}d{r_arrow}{pi}d, and {pi}d{r_arrow}pp
Dispersive analysis on the f{sub 0}(600) and f{sub 0}(980) resonances in {gamma}{gamma}{yields}{pi}{sup +}{pi}{sup -}, {pi}{sup 0}{pi}{sup 0} processes
Search for the scalar a{sub 0} and f{sub 0} mesons in the reactions e{sup +}e{sup {minus}}{r_arrow}{gamma}{pi}{sup 0}{pi}{sup 0}({eta})
Journal Article
·
Fri Aug 01 00:00:00 EDT 1997
· Physical Review, C
·
OSTI ID:656136
Dispersive analysis on the f{sub 0}(600) and f{sub 0}(980) resonances in {gamma}{gamma}{yields}{pi}{sup +}{pi}{sup -}, {pi}{sup 0}{pi}{sup 0} processes
Journal Article
·
Mon Jun 01 00:00:00 EDT 2009
· Physical Review. D, Particles Fields
·
OSTI ID:21300904
Search for the scalar a{sub 0} and f{sub 0} mesons in the reactions e{sup +}e{sup {minus}}{r_arrow}{gamma}{pi}{sup 0}{pi}{sup 0}({eta})
Journal Article
·
Wed Oct 01 00:00:00 EDT 1997
· Physical Review, D
·
OSTI ID:560581