CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E151M3648

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

Q2 : 0.0707 GeV2
W : 1895 GeV
ε : 0.7999
Ebeam : 2.999 GeV
εL: 0.0258 

Select data slice:
cos(θπ+) =
Observable quantity measured (Y axis): ALU,
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
ALU Stat. error Syst. error
0.75 114 -0.0028 0.2586 0.03
0.75 210 -0.1326 0.2656 0.0301
0.75 282 -0.1391 0.2332 0.0301
0.85 126 0.2117 0.2644 0.0303
0.85 186 -0.2911 0.235 0.0306
0.85 198 0.0387 0.2302 0.03
0.85 270 -0.4922 0.2156 0.0316