CLAS Physics Database

Measurement E15M81

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Experiment: E99-105, 2002

Spokespersons: M. Garçon, M. Guidal, E. S. Smith

Measurement comment: Omega spin matrix elements from method of moments, background unsubtracted. Data were integrated up to t' =  t₀ - t < 0.5 GeV². The abscissa (arguments n = 1 - 15) corresponds to the following list of matrix elements: r₀₀⁰⁴, Re r₁₀⁰⁴, r_1-1⁰⁴, r₀₀¹, r₁₁¹, Re r₁₀¹, r_1-1¹, Im r₁₀², Im r_1-1², r₀₀⁵, r₁₁⁵, Re r₁₀⁵, r_1-1⁵, Im r₁₀⁶, Im r_1-1⁶. Virtual photon polarization parameter ε = 0.719. Mandelstam variable –t = 1.232 GeV². Errors include systematics, added in quadrature.

Publication:

• L. Morand, D. Dore, M. Garçon, M. Guidal, J.-M. Laget, S. Morrow, F. Sabatie, E. Smith, and CLAS collaboration Deeply virtual and exclusive electroproduction of omega mesons // hep-ex/0504057

Quantity measured: r, dimensionless
Spin matrix element.
Beam: e, polarization: none
Target: p (Z=1, A=1), polarization: none
Final state: ω p, polarization: none

Observable quantity measured (Y axis): r, dimensionless Parameter (X axis): n, number of argument from the list

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Measured data: