CLAS Physics Database

Your browser does not support JavaScript or JavaScript is turned off in your browser. It is strongly recommended to turn JavaScript on to view this page. Some features may not work if JavaScript is turned off.

Measurement E38M193

You are not logged in.

Experiment: E1-5st-Lambda (E93-030/E00-112), 1999

Spokespersons: Mestayer, Hicks, Carman, Raue

Experiment comment: 5 structure function group analysis results for the K⁺Λ channel.

Measurement comment: To determine σ_L/σ_T used Rosenbluth separation.

Publication:

D.S. Carman, B.A. Raue, and CLAS Collaboration Beam-Recoil Polarization Transfer in the Nucleon Resonance Region in the Exclusive ep -> e′K⁺Λ and ep -> e′K⁺Σ⁰ Reactions at CLAS // PRC 79, 065205 (2009)

Quantity measured: σ_L/σ_T,
Ratio of the longitudinal to transverse cross sections.
Beam: e, polarization: none
Target: p (Z=1, A=1), polarization: none
Final state: K⁺ Λ, polarization: none

Q² :	1 GeV²
W :	1.95 GeV

Observable quantity measured (Y axis): σ_L/σ_T,
Plot measurement data

Parameter (X axis): cos(θ),

Click here to get data in text file, delimited with tabs.

Measured data:

cos(θ)	σ_L/σ_T	Data errors	Systematic errors
-0.6	0.3796	0.6455	0.404
-0.25	0.5311	0.3628	0.511
0.05	0.8686	0.2947	0.651
0.35	0.2224	0.157	0.397
0.65	0.4284	0.2231	0.472
0.9	0.7519	0.4961	0.601