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Measurement E151M255

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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 : 0.0205 GeV2
W : 1295 GeV
ε : 0.9197
Ebeam : 1.3383 GeV
εL: 0.0994 

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
0.25 30 0.7986 0.9869 0.0567
0.25 42 0.2001 0.6632 0.0323
0.35 42 -0.1905 0.5927 0.0321
0.35 54 0.2741 1.4339 0.0342
0.45 30 0.1797 0.8411 0.0319
0.55 234 0.2113 0.6969 0.0326
0.55 246 1.4113 0.7746 0.0901
0.55 258 1.0291 0.7164 0.0688
0.55 270 -0.1575 0.6078 0.0315
0.65 138 0.6747 0.8603 0.0505
0.65 150 -0.5812 0.5829 0.0461
0.65 222 0.8729 0.7584 0.0605
0.65 234 -0.2386 0.4497 0.0333
0.65 246 0.3286 0.4796 0.0359
0.65 258 -0.0916 0.4433 0.0305
0.65 270 -0.7547 0.3835 0.0545
0.75 126 -0.2179 0.5303 0.0327
0.75 138 -0.3926 0.4555 0.0382
0.75 150 -0.3079 0.5156 0.0353
0.75 162 0.4427 0.7338 0.0401
0.75 174 0.8545 0.9837 0.0596
0.75 198 -0.302 0.6916 0.0351
0.75 222 -0.3621 0.4993 0.0371
0.75 234 0.2381 0.452 0.0333
0.75 246 0.1363 0.4488 0.0311
0.75 258 0.0708 0.47 0.0303
0.75 270 0.9025 0.7096 0.0621
0.85 126 -0.2442 0.7207 0.0334
0.85 138 0.5886 0.8284 0.0464
0.85 150 -0.6571 0.4683 0.0497
0.85 162 0.4539 0.8192 0.0406
0.85 174 0.7843 0.9584 0.056
0.85 210 -0.0983 0.6803 0.0306
0.85 222 0.6437 0.7531 0.049
0.85 234 1.2154 0.6399 0.0791
0.85 246 0.1616 0.4111 0.0315
0.85 258 0.0886 0.4281 0.0305
0.85 270 -0.2889 0.443 0.0347
0.95 234 1.09 0.9534 0.0722
0.95 246 -0.6878 0.4373 0.0511
0.15 42 -0.9025 0.5259 0.0634
0.25 30 0.7067 0.5765 0.0531
0.25 42 -0.4046 0.4646 0.0391
0.25 54 -0.2145 0.5994 0.0328
0.35 30 0.2301 0.5696 0.0332
0.35 42 0.4912 0.5181 0.0427
0.35 54 -0.2605 0.4758 0.0341
0.55 42 -0.034 0.5605 0.0301
0.55 234 0.1227 0.4741 0.0309
0.55 246 -0.0826 0.3675 0.0304
0.55 258 -0.2307 0.3443 0.0332
0.55 270 0.9249 0.4675 0.0647
0.65 126 0.2609 0.5486 0.0341
0.65 138 0.0131 0.4014 0.03
0.65 150 -0.5749 0.4978 0.0466
0.65 222 0.0628 0.3698 0.0303
0.65 234 0.0062 0.3276 0.03
0.65 246 -0.1805 0.2954 0.032
0.65 258 -0.2104 0.2982 0.0327
0.65 270 -0.0506 0.4143 0.0302
0.75 114 -0.9342 0.5193 0.0652
0.75 126 0.3651 0.4234 0.0376
0.75 138 0.0145 0.3877 0.03
0.75 150 -0.0219 0.3456 0.03
0.75 162 0.1367 0.4195 0.0312
0.75 174 0.3748 0.5594 0.0379
0.75 186 0.5674 0.5685 0.0462
0.75 198 -0.9798 0.4873 0.0677
0.75 210 0.2602 0.5653 0.0341
0.75 222 -0.8089 0.3607 0.0584
0.75 234 -0.2232 0.2889 0.033
0.75 246 -0.1882 0.2632 0.0322
0.75 258 0.3309 0.2843 0.0363
0.75 270 -0.0866 0.4408 0.0305
0.85 126 -0.138 0.4892 0.0312
0.85 138 -0.529 0.4307 0.0444
0.85 150 0.4489 0.478 0.0409
0.85 162 -0.4855 0.4118 0.0425
0.85 174 -0.8821 0.4695 0.0623
0.85 186 -0.2276 0.471 0.0331
0.85 210 -0.0996 0.4848 0.0306
0.85 222 -0.1725 0.3481 0.0318
0.85 234 0.1814 0.3461 0.032
0.85 246 0.1081 0.2727 0.0307
0.85 258 -0.1318 0.2948 0.0311
0.85 270 -0.0928 0.4032 0.0305