CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E151M931

You are not logged in.

Experiment: EG4, 2016

Spokespersons: Xiaochao Zheng

Experiment comment: Final asymmetry results for the ep-> e pi+ (n) channel extracted from CLAS/EG4 data obtained using a longitudinally polarized beam and a longitudinally polarized NH3 target (CAA HS07-02).

No publications available for this experiment

Quantity measured: AUL,
Target spin asymmetry.
Beam: e, polarization: longitudinal
Target: p (Z=1, A=1), polarization: longitudinal
Final state: π+n, polarization: none

Q2 : 0.0707 GeV2
W : 1715 GeV
ε : 0.7875
Ebeam : 2.2596 GeV
εL: 0.0432 

Select data slice:
cos(θπ+) =
Observable quantity measured (Y axis): AUL,
Plot measurement data

Parameter (X axis): φ(π+), degrees

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

Measured data:

cos(θπ+) φ(π+),
degrees
AUL Stat. error Syst. error
0.75 270 0.3213 0.7301 0.0422
0.85 102 1.2258 1.0567 0.117
0.85 114 -0.1086 0.8597 0.0316
0.65 138 -1.3123 0.5112 0.0912
0.65 210 0.8317 0.6949 0.0623
0.85 102 -1.0777 0.5545 0.0768