Differential cross section for elastic π± helium isotopes scattering from 25 to 65 MeV

Fournier, G.; Gérard, A.; Miller, J.; Picard, J.; Saghai, B.; Vernin, P.; Bertin, P.Y.; Coupat, B.; Lingeman, E.W.A.; Seth, K. K.

doi:10.1016/0375-9474(84)90163-5

Cited by 20 publications

(4 citation statements)

References 10 publications

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“…In the fit we obtained a value of u,~f~& --- 6 MeV, which is within the range of values obtained before. However, this result depends strongly on the way the weight of the total cross section data is chosen in the fit.…”

Section: The Hadronic Amplitudesupporting

confidence: 86%

“…2k sin (20) (6) fP + is calculated numerically with the He form factor F of Germond and Wilkin [18] and the pion form factor F of Frosch [19] from the Klein-Gordon equation [14].…”

Section: Coulomb Correctionsmentioning

confidence: 99%

“…To determine the coefFicients of the expressions for B, t, , and Imfo, we used difFerential cross section measurements from Nordberg and Kinsey [1] at T = 24 MeV, Fournier et aL [6] at T = 25 and 51 MeV, Block et al [2] at T = 51 -68 MeV, Crowe et at [3] at . T = 51 -75 MeV, Brinkmoller et al [11] at T = 90 -240 MeV, and Binon et aL [5] at T = 110 -260 MeV.…”

Section: The Hadronic Amplitudementioning

confidence: 99%

“…[3] and by Fournier et al [6] are incompatible with each other. Our solution follows the data of Crowe et al To fit the data of Fournier et al one needs a larger value for Refo, which can be obtained by choosing ur, g f~& ---25 MeV.…”

Section: The Hadronic Amplitudementioning

confidence: 99%

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Phase shift analysis ofπ±−4He elastic scattering

Brinkmöller

Schaile

1993

Phys. Rev. C

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An energy-dependent phase shift analysis of 7r+-He elastic scattering data up to an energy T = 260 MeV was carried out. Using a careful treatment of Coulomb effects to describe the Coulomb nuclear interference we reexamined the constraints to the 7r-He forward scattering amplitude fo by dispersion relations. This allows a stringent consistency check of the data. A satisfactory description of the data could only be achieved assuming large error bars of the total cross section measurements and allowing normalization factors for the differential cross section data.PACS number(s): 25.80.Dj

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Section: The Hadronic Amplitudesupporting

confidence: 86%

“…2k sin (20) (6) fP + is calculated numerically with the He form factor F of Germond and Wilkin [18] and the pion form factor F of Frosch [19] from the Klein-Gordon equation [14].…”

Section: Coulomb Correctionsmentioning

confidence: 99%