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High-precision determination of the electric and magnetic form factors of the proton

Bernauer, J C ; Achenbach, P ; Ayerbe Gayoso, C ; Böhm, R ; Bosnar, D ; Debenjak, L ; Distler, M O ; Doria, L ; Esser, A ; Fonvieille, H ; Friedrich, J M ; Friedrich, J ; Gómez Rodríguez de la Paz, M ; Makek, M ; Merkel, H ; Middleton, D G ; Müller, U ; Nungesser, L ; Pochodzalla, J ; Potokar, M ; Sánchez Majos, S ; Schlimme, B S ; Sirca, S ; Walcher, Th ; Weinriefer, M

Physical review letters, 2010-12, Vol.105 (24), p.242001-242001, Article 242001 [Periódico revisado por pares]

United States: American Physical Society

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Título:
High-precision determination of the electric and magnetic form factors of the proton
Autor: Bernauer, J C ; Achenbach, P ; Ayerbe Gayoso, C ; Böhm, R ; Bosnar, D ; Debenjak, L ; Distler, M O ; Doria, L ; Esser, A ; Fonvieille, H ; Friedrich, J M ; Friedrich, J ; Gómez Rodríguez de la Paz, M ; Makek, M ; Merkel, H ; Middleton, D G ; Müller, U ; Nungesser, L ; Pochodzalla, J ; Potokar, M ; Sánchez Majos, S ; Schlimme, B S ; Sirca, S ; Walcher, Th ; Weinriefer, M
Assuntos: ACCURACY ; BARYONS ; BOSONS ; CROSS SECTIONS ; DIMENSIONLESS NUMBERS ; ELECTRON-NUCLEON INTERACTIONS ; ELECTRON-PROTON INTERACTIONS ; ELEMENTARY PARTICLES ; ENERGY RANGE ; ERRORS ; FABRICATION ; FERMIONS ; FORM FACTORS ; FOUR MOMENTUM TRANSFER ; GEV RANGE ; GEV RANGE 01-10 ; HADRONS ; INTERACTIONS ; LEPTON-BARYON INTERACTIONS ; LEPTON-HADRON INTERACTIONS ; LEPTON-NUCLEON INTERACTIONS ; MAGNETIC FORMING ; MATERIALS WORKING ; MESONS ; MOMENTUM TRANSFER ; Nuclear Experiment ; NUCLEAR PHYSICS AND RADIATION PHYSICS ; NUCLEONS ; PARTICLE INTERACTIONS ; PARTICLE PROPERTIES ; Physics ; PHYSICS OF ELEMENTARY PARTICLES AND FIELDS ; PIONS ; PROTONS ; PSEUDOSCALAR MESONS
É parte de: Physical review letters, 2010-12, Vol.105 (24), p.242001-242001, Article 242001
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: New precise results of a measurement of the elastic electron-proton scattering cross section performed at the Mainz Microtron MAMI are presented. About 1400 cross sections were measured with negative four-momentum transfers squared up to Q² = 1 (GeV/c)² with statistical errors below 0.2%. The electric and magnetic form factors of the proton were extracted by fits of a large variety of form factor models directly to the cross sections. The form factors show some features at the scale of the pion cloud. The charge and magnetic radii are determined to be ½ = 0.879(5)stat(4)syst(2)model(4)group fm and ½ = 0.777(13)stat(9)syst(5)model(2)group fm.
Editor: United States: American Physical Society
Idioma: Inglês

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High-precision determination of the electric and magnetic form factors of the proton

United States: American Physical Society

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