CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E151M1243

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: ALL,

Beam: e, polarization: longitudinal
Target: p (Z=1, A=1), polarization: longitudinal
Final state: π+n, polarization: none

Q2 : 0.0084 GeV2
W : 1235 GeV
ε : 0.9196
Ebeam : 1.0539 GeV
εL: 0.0642 

Select data slice:
cos(θπ+) =
Observable quantity measured (Y axis): ALL,
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
ALL Stat. error Syst. error
0.55 258 -0.5719 0.4581 0.0711
0.55 270 -0.1188 0.5161 0.0329
0.65 234 0.6036 0.5792 0.0744
0.65 246 0.0065 0.4503 0.03
0.65 258 0.1685 0.4876 0.0355
0.65 270 -0.8062 0.4667 0.0958
0.75 174 -0.3755 0.6116 0.0519
0.75 246 0.9582 0.4121 0.1122
0.75 258 -0.4202 0.4685 0.0561