CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E151M203

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 : 0.0348 GeV2
W : 1205 GeV
ε : 0.951
Ebeam : 1.3383 GeV
εL: 0.3169 

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 Data errors Systematic errors
0.45 282 -0.6119 0.3298 0.0532
0.55 258 0.0368 0.4599 0.0301
0.55 270 -0.1149 0.2919 0.0465
0.55 282 0.4574 0.2933 0.0446
0.65 246 0.0933 0.4083 0.0306
0.65 258 -0.154 0.2739 0.0323
0.65 270 -0.0745 0.2154 0.0316
0.65 282 -0.1729 0.2531 0.0423
0.75 138 0.1825 0.8673 0.032
0.75 234 -1.0328 0.3059 0.0691
0.75 246 0.4033 0.3777 0.0395
0.75 258 -0.1098 0.2638 0.0333
0.75 270 -0.6208 0.2727 0.0495
0.85 138 0.1193 0.6142 0.0308
0.85 150 0.0169 0.4848 0.03
0.85 162 -0.3337 0.4318 0.0361
0.85 174 0.0604 0.5832 0.0302
0.85 186 -0.1903 0.4613 0.0321
0.85 198 0.3154 0.6618 0.0355
0.85 210 0.486 0.7894 0.0419
0.85 222 0.2194 0.6453 0.0328
0.85 258 -0.2403 0.5161 0.0333
0.95 162 -0.6018 0.3702 0.047
0.95 210 -0.0567 0.5597 0.0302
0.75 282 0.4985 0.4487 0.043
0.85 126 0.3031 0.4651 0.0354
0.85 138 0.6047 0.409 0.048
0.85 150 -0.4714 0.3332 0.0419
0.85 162 -0.2521 0.3323 0.0338
0.85 174 -0.5178 0.3106 0.0439
0.85 186 -0.1645 0.3972 0.0317
0.85 198 -0.6182 0.2959 0.0486
0.85 210 -0.4748 0.3988 0.042
0.85 234 -0.7709 0.3784 0.0564
0.85 246 0.1122 0.4446 0.0308