CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E151M387

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 : 0.0143 GeV2
W : 1505 GeV
ε : 0.7348
Ebeam : 1.3383 GeV
εL: 0.019 

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 42 -0.1562 0.7921 0.0314
0.45 138 -0.0214 0.9581 0.03
0.45 222 0.939 1.0165 0.064
0.55 30 -1.2077 0.4261 0.0787
0.55 42 0.8994 0.8888 0.0619
0.55 150 -1.3263 0.4733 0.0853
0.55 210 -0.9017 0.5061 0.062
0.55 222 0.3725 0.7594 0.0375
0.55 234 1.3879 1.2469 0.0888
0.55 246 -0.0083 0.8495 0.03
0.65 42 1.9829 1.0687 0.1231
0.65 138 -0.8749 0.601 0.0606
0.65 150 -0.13 0.8097 0.031
0.65 198 -0.4187 0.8409 0.0392
0.65 222 -0.0931 0.609 0.0305
0.65 234 0.0989 0.6625 0.0306
0.65 246 1.0695 0.9485 0.071
0.75 198 0.3323 0.8943 0.0361
0.75 210 0.5817 1.0451 0.0461
0.75 222 -0.5001 0.6906 0.0425
0.75 234 0.28 0.6545 0.0344
0.75 246 2.2207 2.2207 0.137
0.85 210 1.1681 1.2869 0.0765
0.85 222 -0.9759 0.4481 0.066
0.85 234 -0.51 0.5427 0.0429
0.85 246 1.1065 1.2414 0.0731
0.35 30 -0.1129 0.625 0.0308
0.35 42 0.8809 0.6297 0.0623
0.45 30 -0.2452 0.5677 0.0336
0.45 54 1.4088 0.5573 0.0922
0.45 222 0.1012 0.5468 0.0306
0.45 234 1.2439 0.5258 0.0827
0.55 18 -0.0188 0.6216 0.03
0.55 42 0.2703 0.5217 0.0344
0.55 126 -1.181 0.5361 0.079
0.55 138 -0.5966 0.5082 0.0476
0.55 150 1.0508 0.5651 0.0716
0.55 162 -0.5977 0.5897 0.0476
0.55 210 0.3347 0.4918 0.0365
0.55 222 0.6773 0.5001 0.0516
0.55 234 0.1181 0.5153 0.0309
0.55 246 1.201 0.5412 0.0802
0.65 126 0.5647 0.5805 0.0461
0.65 138 -0.0033 0.5557 0.03
0.65 150 -0.6946 0.5114 0.0524
0.65 162 -0.5981 0.5631 0.0477
0.65 210 0.1316 0.5448 0.0311
0.65 222 0.4233 0.4916 0.0398
0.65 234 1.5903 0.3992 0.1029
0.65 246 0.3441 0.5476 0.0368
0.75 138 0.3046 0.6251 0.0354
0.75 210 -0.2159 0.5075 0.0328
0.75 222 0.7375 0.467 0.0546
0.75 234 0.5832 0.4671 0.0469
0.85 138 -0.6679 0.5443 0.0511
0.85 222 1.3228 0.4481 0.0872
0.85 234 0.3911 0.507 0.0386