CLAS Physics Database

Measurement E46M139

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Experiment: N/A, 0

Spokespersons:

Publication:

• S.A.Morrow, M.Guidal, M.Garcon, J.M.Laget, E.S.Smith, and CLAS Collaboration Exclusive ρ⁰ electroproduction on the proton at CLAS // Eur.Phys.J.A39,5-31(2009)

Quantity measured: dσ/dcos(θ_HS^π+), mcb
Differential cross section, where θ_HS^π+ is the polar angle of the π⁺ in the Helicity Frame (HS).
Beam: e, polarization: none
Target: p (Z=1, A=1), polarization: none
Final state: ρ⁰ p, polarization: none

Observable quantity measured (Y axis): dσ/dcos(θHSπ+), mcb Parameter (X axis): cos(θHSπ+), dimensionless

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Measured data: