Measurement of the spin rotation parameter A+ in the elastic scattering of positive pions on a longitudinally-polarized proton target in the second resonance region

Alekseev, I.; Bobchenko, B.; Budkovsky, P. E.; Kanavets, V.P.; Koroleva, L. I.; Martynov, V.I.; Morozov, B. V.; Nesterov, V. M.; Platonov, V. V.; Ryltsov, V.; Sakharov, V. A.; Sulimov, A. D.; Svirida, D. N.; Zhurkin, V.V.; Abaev, V. V.; Bazhanov, N. A.; Bekrenev, V.; Beloglazov, Y. A.; Filimonov, E. A.; Ковалев, А. И.; Kozlenko, N.; Kruglov, S. P.; Kulbardis, A. A.; Lopatin, I.; Schedrov, V. A.; Sumachev, V. V.; Trautman, V. Yu.

doi:10.1016/0370-2693(95)00426-l

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Cited by 13 publications

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“…Previous measurements of the π + p spin-rotation parameter A, by the same collaboration [21], allowed us to resolve a discrepancy between the GW and the CMB/KH predictions ( Fig. 2), using the method of Barrelet.…”

Section: Databasementioning

confidence: 99%

Extended partial-wave analysis ofπNscattering data

Arndt¹,

Briscoe²,

Strakovsky³

et al. 2006

Phys. Rev. C

479

786

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We present results from a comprehensive partial-wave analysis of π ± p elastic scattering and charge-exchange data, covering the region from threshold to 2.6 GeV in the lab pion kinetic energy, employing a coupled-channel formalism to simultaneously fit π − p → ηn data to 0.8 GeV. Our main result, solution SP06, utilizes a complete set of forward and fixed-t dispersion relation constraints applied to the πN elastic amplitude. The results of these analyses are compared with previous solutions in terms of their resonance spectra and preferred values for couplings and low-energy parameters.

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Section: Databasementioning

confidence: 99%