The study of the proton-proton collisions at the beam momentum 1628 MeV/c

K. N. Ermakov; V. I. Medvedev; V. A. Nikonov; O. V. Rogachevsky; A. V. Sarantsev; V. V. Sarantsev; S. G. Sherman

doi:10.1140/epja/i2011-11159-3

EPJ

The study of the proton-proton collisions at the beam momentum 1628 MeV/c

K. N. Ermakov¹, V. I. Medvedev¹, V. A. Nikonov¹^,2^*, O. V. Rogachevsky¹, A. V. Sarantsev¹^,2, V. V. Sarantsev¹ and S. G. Sherman¹

¹ Petersburg Nuclear Physics Institute, 188300, Gatchina, Russia
² Helmholtz-Institut für Strahlen- und Kernphysik, Universität Bonn, Bonn, Germany

Received: 13 September 2011
Revised: 14 November 2011
Accepted: 23 November 2011
Published online: 22 December 2011

Abstract

The detailed investigation of the single pion production reactions pp → pnπ and pp → ppπ at the incident proton momentum 1628 MeV/c has been carried out. The data are analyzed in the framework of the event-by-event maximum-likelihood method together with the pp → ppπ ⁰ data measured earlier in the energy region below 1 GeV. At 1628 MeV/c the largest contributions stem from the ³ P ₂, ³ P ₁, ³ P ₀, ¹ D ₂ and ³ F ₂ initial partial waves.

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EPJ

The study of the proton-proton collisions at the beam momentum 1628 MeV/c

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