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Measurement E151M1818

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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: ALL,

Beam: e, polarization: longitudinal
Target: p (Z=1, A=1), polarization: longitudinal
Final state: π+n, polarization: none

Q2 : 0.0593 GeV2
W : 1475 GeV
ε : 0.8962
Ebeam : 1.9889 GeV
εL: 0.1019 

Select data slice:
cos(θπ+) =
Observable quantity measured (Y axis): ALL,
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 		ALL Stat. error Syst. error
0.15 30 -0.5432 0.6668 0.0445
0.15 42 0.2666 0.873 0.0341
0.15 306 0.238 0.7753 0.0333
0.25 30 -0.9886 0.7502 0.067
0.25 54 -0.0047 0.7573 0.03
0.25 66 0.5396 0.5432 0.0444
0.25 78 -0.1029 0.6074 0.0306
0.25 282 -0.0566 0.685 0.0302
0.25 294 -0.0373 0.5825 0.0301
0.25 306 -1.4897 0.5709 0.0951
0.25 318 -1.3743 0.7048 0.0885
0.25 330 -0.1769 0.8117 0.0319
0.35 18 -1.6787 0.6302 0.1061
0.35 30 -0.4975 0.6473 0.0425
0.35 54 -0.3487 0.6457 0.0367
0.35 66 -0.0959 0.4743 0.0306
0.35 78 0.0498 0.4575 0.0302
0.35 90 -0.5107 0.5768 0.0431
0.35 270 0.3083 0.5659 0.0353
0.35 282 0.7177 0.4236 0.0528
0.35 294 0.1728 0.4292 0.0318
0.35 306 -0.7245 0.6408 0.0532
0.35 318 -0.7333 0.7665 0.0536
0.35 330 -0.4982 0.7708 0.0426
0.35 342 -0.7694 0.8238 0.0554
0.45 66 -0.3772 0.5472 0.0377
0.45 78 -0.0138 0.4117 0.03
0.45 90 -0.8364 0.4816 0.0589
0.45 102 0.3382 0.7329 0.0363
0.45 114 0.6238 0.8166 0.0483
0.45 246 -0.8521 0.8009 0.0597
0.45 258 -1.2724 0.5681 0.0827
0.45 270 -0.5294 0.4442 0.0439
0.45 282 -0.2628 0.4157 0.034
0.45 294 0.6449 0.4332 0.0493
0.45 306 0.1002 0.6404 0.0306
0.45 318 -0.0457 0.7473 0.0301
0.45 330 0.7318 0.6986 0.0535
0.55 66 1.2506 0.5967 0.0815
0.55 78 -0.7149 0.48 0.0527
0.55 90 0.4285 0.5014 0.0397
0.55 102 -0.0325 0.5715 0.0301
0.55 114 0.8913 0.4693 0.0618
0.55 126 0.3902 0.5169 0.0382
0.55 138 -0.2758 0.6377 0.0343
0.55 150 0.563 0.8077 0.0454
0.55 210 0.9008 0.6934 0.0623
0.55 222 -0.2715 0.5537 0.0342
0.55 234 0.2723 0.5572 0.0342
0.55 246 0.0771 0.5804 0.0304
0.55 258 0.9641 0.4683 0.0657
0.55 270 0.0753 0.4464 0.0303
0.55 282 -0.2537 0.3958 0.0337
0.55 294 0.1826 0.5384 0.032
0.65 54 -0.2337 0.8609 0.0332
0.65 66 0.0305 0.6618 0.0301
0.65 78 -0.6325 0.5799 0.0487
0.65 90 0.3748 0.5932 0.0376
0.65 102 -1.1136 0.4994 0.0739
0.65 114 -0.5624 0.4807 0.0454
0.65 126 0.5035 0.4236 0.0428
0.65 138 -0.5933 0.4906 0.0468
0.65 150 0.4849 0.5921 0.042
0.65 162 1.3173 0.6644 0.0853
0.65 186 -0.3484 0.7298 0.0367
0.65 198 -1.3295 0.7018 0.086
0.65 210 -1.6198 0.4226 0.1026
0.65 222 0.0909 0.4606 0.0305
0.65 234 0.155 0.4502 0.0314
0.65 246 -0.2455 0.4947 0.0335
0.65 258 -0.16 0.4627 0.0315
0.65 270 -0.3305 0.5383 0.0361
0.65 282 -0.7901 0.5396 0.0565
0.65 294 0.509 0.479 0.043
0.65 306 -0.0236 0.622 0.03
0.75 66 0.2713 0.6316 0.0342
0.75 78 -0.3492 0.603 0.0367
0.75 90 -0.7279 0.7822 0.0533
0.75 102 0.7999 0.56 0.057
0.75 114 -0.518 0.3955 0.0434
0.75 126 0.2551 0.4565 0.0337
0.75 138 -0.508 0.5114 0.043
0.75 150 0.3847 0.6082 0.038
0.75 162 -0.3203 0.7603 0.0357
0.75 174 0.8578 0.7405 0.06
0.75 186 -1.1609 0.729 0.0765
0.75 198 -0.5929 0.6164 0.0468
0.75 210 -0.5268 0.4894 0.0438
0.75 222 0.3506 0.4431 0.0368
0.75 234 0.4712 0.3564 0.0414
0.75 246 -0.854 0.4278 0.0598
0.75 258 -0.1495 0.5003 0.0313
0.75 270 -1.3283 0.6271 0.0859
0.75 282 -0.6831 0.4643 0.0511
0.75 294 0.2091 0.5573 0.0326
0.85 90 0.0676 0.6269 0.0303
0.85 102 0.1619 0.563 0.0316
0.85 114 -0.066 0.5675 0.0303
0.85 126 0.5769 0.5387 0.0461
0.85 138 -0.3761 0.5305 0.0377
0.85 150 -0.1634 0.6725 0.0316
0.85 198 -0.5465 0.6867 0.0447
0.85 210 -0.5255 0.5242 0.0438
0.85 222 0.1082 0.5166 0.0307
0.85 234 -0.7164 0.39 0.0528
0.85 246 0.0912 0.439 0.0305
0.85 258 0.0783 0.5178 0.0304
0.85 270 1.2966 0.5378 0.0841
0.95 114 0.0524 0.696 0.0302
0.95 210 -0.1327 0.7346 0.0311
0.95 222 -0.3065 0.6843 0.0353
0.95 234 0.5642 0.4862 0.0455
0.95 246 -0.5377 0.4916 0.0443
0.95 258 0.5291 0.595 0.0439