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Measurement E151M378

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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 : 0.0844 GeV2
W : 1475 GeV
ε : 0.7155
Ebeam : 1.3383 GeV
εL: 0.1118 

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
0.55 138 -1.5895 0.5051 0.1029
0.55 222 -0.4958 0.6606 0.0429
0.55 234 1.4636 0.5957 0.0955
0.55 246 0.63 0.5578 0.0492
0.55 258 0.273 0.6174 0.0344
0.65 126 1.5199 0.549 0.0988
0.65 138 -1.2943 0.541 0.0856
0.65 150 -2.1255 0.4397 0.135
0.65 222 -0.4426 0.5265 0.0406
0.65 234 -0.3958 0.4997 0.0387
0.65 246 -0.2659 0.4522 0.0342
0.65 258 0.3315 0.591 0.0364
0.75 126 -1.1061 0.4436 0.0748
0.75 138 0.2768 0.5735 0.0346
0.75 150 -1.4081 0.4633 0.0922
0.75 162 -0.5588 0.6361 0.0458
0.75 210 0.6009 0.6318 0.0478
0.75 222 -0.3321 0.4591 0.0364
0.75 234 -0.3305 0.5543 0.0363
0.75 246 -0.2499 0.4545 0.0338
0.75 258 0.3893 0.4947 0.0385
0.85 102 -0.0247 0.6843 0.03
0.85 114 -0.1879 0.6756 0.0322
0.85 126 -0.4298 0.5984 0.0401
0.85 150 0.0809 0.6706 0.0304
0.85 222 1.1348 0.5366 0.0764
0.85 234 0.0258 0.4947 0.03
0.85 246 0.4725 0.4258 0.0419
0.85 258 1.3724 0.474 0.0901
0.85 270 -0.6179 0.5161 0.0486
0.95 102 -0.2986 0.5141 0.0352
0.95 114 -0.6755 0.5599 0.0515
0.95 138 -0.3438 0.5877 0.0368
0.95 234 0.3325 0.5791 0.0364
0.95 246 0.7357 0.4602 0.0545
0.95 258 0.7122 0.3907 0.0533
0.95 270 -0.1107 0.4811 0.0308
0.45 234 -0.0995 0.9539 0.0306
0.55 126 -1.7638 0.4299 0.1104
0.55 138 -1.0115 0.7226 0.0679
0.55 222 1.4859 1.4348 0.0944
0.55 246 -1.109 0.4828 0.0732
0.55 258 -0.6855 0.5727 0.051
0.65 126 -0.7193 0.697 0.0527
0.65 138 -0.6971 0.7595 0.0516
0.65 150 0.7285 1.0271 0.0531
0.65 210 -0.3015 0.7368 0.0351
0.65 222 -0.126 0.7378 0.0309
0.65 234 1.1883 0.8679 0.0776
0.65 246 0.4942 0.7211 0.0423
0.65 258 -0.3025 0.7848 0.0351
0.75 126 0.2677 0.8116 0.0341
0.75 138 0.6158 1.0277 0.0477
0.75 150 -1.4984 0.5047 0.0951
0.75 222 0.6262 0.8131 0.0482
0.75 234 0.4599 0.7219 0.0408
0.75 246 0.5671 0.7099 0.0455
0.75 258 0.644 0.7864 0.049
0.85 150 -0.526 0.6761 0.0436
0.85 222 0.4116 0.9159 0.0389
0.85 234 0.6142 0.7738 0.0476
0.85 246 0.6998 0.8738 0.0517
0.85 258 -0.1654 0.5405 0.0316
0.85 270 0.1894 0.8854 0.0321
0.95 114 0.6544 1.0567 0.0495
0.95 222 -0.4074 0.6632 0.0388
0.95 246 -0.0569 0.6738 0.0302
0.95 258 -0.2622 0.588 0.0339
0.95 270 -0.3855 0.5787 0.0379