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NSR database version of May 9, 2024.

Search: Author = J.Ruiz de Elvira

Found 4 matches.

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2018RU01      J.Phys.(London) G45, 024001 (2018)

J.Ruiz de Elvira, M.Hoferichter, B.Kubis, U.-G.Meissner

Extracting the σ-term from low-energy pion-nucleon scattering

NUCLEAR REACTIONS 1H(π+, π+), E not given; analyzed available data on σ(θ); deduced pion-nucleon scattering lengths from low-energy scattering.

doi: 10.1088/1361-6471/aa9422
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2016HO21      Eur.Phys.J. A 52, 331 (2016)

M.Hoferichter, B.Kubis, J.Ruiz de Elvira, H.-W.Hammer, U.-G.Meissner

On the ππ continuum in the nucleon form factors and the proton radius puzzle

NUCLEAR STRUCTURE 1n, 1H; calculated nucleon electromagnetic form factors using ππ continuum contribution to isovector spectral functions with up-to-date results for ππ partial waves extracted from Roy-Steiner equations with most recent data on pion vector form factor; deduced contribution to nucleon isovector electric and magnetic radii using sum rules.

doi: 10.1140/epja/i2016-16331-7
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2015HO10      Phys.Rev.Lett. 15, 092301 (2015)

M.Hoferichter, J.Ruiz de Elvira, B.Kubis, U.-G.Meissner

High-Precision Determination of the Pion-Nucleon σ Term from Roy-Steiner Equations

ATOMIC PHYSICS 1,2H; analyzed available data on pionic atoms and πN scattering; deduced pion-nucleon (πN) σ term, scattering lengths.

doi: 10.1103/PhysRevLett.115.092301
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2015HO12      Phys.Rev.Lett. 115, 192301 (2015)

M.Hoferichter, J.Ruiz de Elvira, B.Kubis, Ulf-G.Meissner

Matching Pion-Nucleon Roy-Steiner Equations to Chiral Perturbation Theory

doi: 10.1103/PhysRevLett.115.192301
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