The scattering of positive 120 MeV pions on protons

Lorı́a, Alvar; Mittnbk, P.; Santangelo, E. M.; Scotoni, I.; Zago, G.; Aubert, B.; Brennver, A.; Goldschmidt‐Clermont, Y.; Grard, F.; Macleod, G.R.; Eanzi, A.; Montanet, L.

doi:10.1007/bf02783107

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(Ii) Amplitudes Which Have Resonances2

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1964

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Cited by 10 publications

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“…When Q(s) exceeds the unitary limit, Eq. (36) shows that the rescattering integral must be negative. We conjecture therefore that a steadily increasing Q(s), which eventually crosses the unitary limit at s=s u , implies that there is a resonance for some value of s less than s u , provided that the inelasticity coefficient f3(s) never decreases.…”

Section: (Ii) Amplitudes Which Have Resonancesmentioning

confidence: 98%

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Prediction ofp-,d-, andf-Wave Pion-Nucleon Scattering

1964

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Section: (Ii) Amplitudes Which Have Resonancesmentioning

confidence: 98%

“…The phase shift d l±^ = ai ±^+ iPi ±^( whext a l± < T \ fr ± < T > are real, and /3j ± (T) >0) is given by § exp(-2/5z ± ( r >(s)) sm(2a l±^( s)) = g 2 w-1 ReFi ± < r )(j). (36) Let F f i ± (T) (s) be the sum of all the left-hand-cut terms (including a core if necessary). We define…”

Section: (Ii) Amplitudes Which Have Resonancesmentioning

confidence: 99%