Experimental study of the P11(1440) and D13(1520) resonances from the CLAS data on ep→e′π+π−p

V. Mokeev, Angela Biselli

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Abstract

The transition helicity amplitudes from the proton ground state to the P11(1440) and D13(1520) excited states (γvpN∗ electrocouplings) were determined from the analysis of nine independent one-fold differential π+π−p electroproduction cross sections off a proton target, taken with CLAS at photon virtualities of 0.25

Original languageAmerican English
JournalPhysical Review C
Volume86
DOIs
StatePublished - Jan 1 2012

Disciplines

  • Physical Sciences and Mathematics
  • Physics

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