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Measurement E151M1004

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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 : 0.205 GeV2
W : 1385 GeV
ε : 0.9558
Ebeam : 2.999 GeV
εL: 0.4467 

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 Stat. error Syst. error
0.05 54 1.4954 0.9074 0.1133
0.05 66 -0.0132 0.6872 0.03
0.05 306 -1.6626 0.3871 0.1252
0.15 54 1.1181 0.6513 0.0871
0.15 66 -0.4862 0.4844 0.0465
0.15 294 0.0498 0.5573 0.0302
0.15 306 -0.584 0.4832 0.0522
0.25 54 -0.2864 0.6946 0.0366
0.25 66 0.0455 0.4253 0.0302
0.25 78 0.073 0.7562 0.0305
0.25 282 -0.0112 0.5768 0.03
0.25 294 0.125 0.5536 0.0314
0.25 306 -0.3731 0.5293 0.0405
0.35 54 0.5417 0.6584 0.0497
0.35 66 0.8241 0.513 0.0673
0.35 78 -0.2574 0.5242 0.0354
0.35 282 0.2852 0.6228 0.0365
0.35 294 -0.4625 0.4141 0.0452
0.35 306 0.0578 0.6915 0.0303
0.45 54 0.29 0.6022 0.0367
0.45 66 1.4498 0.6686 0.1101
0.45 78 0.1002 0.7391 0.0309
0.45 90 -1.0925 0.5297 0.0853
0.45 270 -0.3821 0.714 0.041
0.45 282 0.666 0.5889 0.0572
0.45 294 -0.1288 0.4422 0.0314
0.45 306 0.5119 0.8162 0.048
0.55 54 -0.8559 0.5855 0.0694
0.55 66 0.9845 0.7299 0.078
0.55 78 -0.4626 0.5663 0.0452
0.55 90 0.385 0.5404 0.0411
0.55 102 -0.2068 0.4992 0.0336
0.55 258 0.3 0.6916 0.0372
0.55 270 -0.785 0.4353 0.0647
0.55 282 -0.956 0.4877 0.076
0.55 294 -0.7452 0.5965 0.0622
0.55 306 0.1015 0.673 0.0309
0.65 66 0.1916 0.7593 0.0331
0.65 78 -0.2195 0.396 0.034
0.65 90 0.2062 0.3815 0.0336
0.65 102 0.8311 0.4335 0.0677
0.65 114 -0.2354 0.4724 0.0346
0.65 126 -0.2395 0.7191 0.0347
0.65 246 -0.7091 0.446 0.0599
0.65 258 0.9323 0.5293 0.0745
0.65 270 -0.2001 0.4332 0.0334
0.65 282 -0.1377 0.5218 0.0316
0.65 294 0.2455 0.6435 0.035
0.65 306 -0.7863 0.6328 0.0648
0.75 54 0.1399 0.7417 0.0317
0.75 66 -0.2534 0.5636 0.0353
0.75 78 0.5972 0.3839 0.053
0.75 90 0.3365 0.3236 0.0388
0.75 102 -0.2702 0.3193 0.0359
0.75 114 -0.1304 0.3844 0.0315
0.75 126 0.1981 0.4698 0.0333
0.75 138 0.0887 0.6823 0.0307
0.75 210 0.3824 0.889 0.041
0.75 222 -0.1738 0.582 0.0326
0.75 234 0.4348 0.4923 0.0437
0.75 246 0.5311 0.4559 0.0491
0.75 258 -0.0412 0.3651 0.0302
0.75 270 -0.2184 0.3359 0.034
0.75 282 -0.1733 0.4042 0.0326
0.75 294 -0.4236 0.4428 0.0431
0.75 306 -1.1289 0.5631 0.0878
0.85 54 -1.3245 0.3735 0.1013
0.85 66 0.7714 0.5557 0.0639
0.85 78 0.301 0.4367 0.0372
0.85 90 0.3727 0.3697 0.0405
0.85 102 -0.1068 0.3174 0.031
0.85 114 0.0353 0.3518 0.0301
0.85 126 0.1989 0.4245 0.0333
0.85 138 -0.1443 0.5208 0.0318
0.85 150 -0.5116 0.4806 0.0479
0.85 198 -0.5661 0.5477 0.0511
0.85 210 0.6282 0.4996 0.0548
0.85 222 0.2673 0.441 0.0358
0.85 234 0.1708 0.3506 0.0325
0.85 246 -0.1095 0.3504 0.031
0.85 258 0.3282 0.3063 0.0384
0.85 270 0.2012 0.313 0.0334
0.85 282 -0.293 0.2895 0.0369
0.85 294 0.2262 0.355 0.0343
0.85 306 0.0348 0.4349 0.0301
0.95 54 0.6806 0.5551 0.0581
0.95 66 1.0264 0.6113 0.0808
0.95 90 -0.6687 0.37 0.0573
0.95 102 -0.2273 0.419 0.0343
0.95 114 -0.4476 0.4402 0.0444
0.95 126 -0.3787 0.4682 0.0408
0.95 138 -1.0999 0.4269 0.0858
0.95 150 -0.3107 0.5259 0.0376
0.95 162 -0.6916 0.5846 0.0588
0.95 174 1.2165 0.7059 0.0938
0.95 186 1.3213 0.6913 0.1011
0.95 198 -0.1792 0.4965 0.0327
0.95 210 0.0371 0.4582 0.0301
0.95 222 -0.3014 0.3668 0.0372
0.95 234 -0.1543 0.3768 0.0321
0.95 246 -0.0589 0.3647 0.0303
0.95 258 0.2313 0.4043 0.0344
0.95 270 -0.0729 0.3419 0.0305
0.95 282 0.1772 0.3194 0.0327
0.95 294 0.2806 0.3061 0.0363
0.95 306 -0.22 0.3292 0.034
0.95 318 -0.0509 0.6069 0.0302