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Measurement E151M1801

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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 : 0.0415 GeV2
W : 1445 GeV
ε : 0.9154
Ebeam : 1.9889 GeV
εL: 0.0858 

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 1.1064 0.813 0.0734
0.15 42 -0.4702 0.858 0.0414
0.25 30 1.0025 0.7592 0.0678
0.25 42 -0.2316 0.8694 0.0331
0.25 54 -1.5407 0.6942 0.0981
0.25 66 -0.5423 0.6716 0.0445
0.25 78 -0.5245 0.6814 0.0437
0.25 282 0.2885 0.6647 0.0347
0.25 294 0.7531 0.5228 0.0546
0.25 306 0.4991 0.7121 0.0426
0.25 318 -0.5499 0.7073 0.0448
0.25 330 1.5047 0.6856 0.096
0.35 30 -0.3785 0.67 0.0378
0.35 54 -1.1319 0.6426 0.0749
0.35 66 0.1976 0.4394 0.0323
0.35 78 0.523 0.4502 0.0436
0.35 90 0.3639 0.5885 0.0372
0.35 270 0.2511 0.6167 0.0336
0.35 282 -0.9822 0.4706 0.0667
0.35 294 -0.5942 0.4263 0.0469
0.35 306 0.941 0.682 0.0644
0.35 330 -0.1332 0.7495 0.0311
0.45 18 -0.0993 0.731 0.0306
0.45 30 0.5022 0.7283 0.0427
0.45 42 0.418 0.7714 0.0393
0.45 66 -0.5036 0.5514 0.0428
0.45 78 -0.3756 0.4136 0.0377
0.45 90 -0.4424 0.4693 0.0402
0.45 102 0.2156 0.6571 0.0327
0.45 114 -0.2754 0.8487 0.0343
0.45 258 0.4713 0.6127 0.0414
0.45 270 1.029 0.3972 0.0692
0.45 282 -0.1853 0.3685 0.032
0.45 294 0.8396 0.4156 0.0591
0.45 306 -0.6668 0.6511 0.0503
0.45 318 0.4582 0.8038 0.0409
0.45 330 0.0897 0.7198 0.0305
0.55 66 -0.9481 0.571 0.0648
0.55 78 -0.3477 0.422 0.0367
0.55 90 0.3583 0.4582 0.037
0.55 102 -0.6402 0.5301 0.049
0.55 114 1.3936 0.5869 0.0896
0.55 126 0.5446 0.5289 0.0446
0.55 138 -0.3052 0.6644 0.0352
0.55 150 -0.903 0.7236 0.0624
0.55 198 0.0833 0.8565 0.0304
0.55 210 -0.4495 0.7618 0.0405
0.55 222 0.5322 0.6718 0.044
0.55 234 -0.4468 0.6047 0.0404
0.55 246 -0.3498 0.6413 0.0367
0.55 258 0.7595 0.548 0.0549
0.55 270 0.0543 0.406 0.0302
0.55 282 0.4372 0.404 0.04
0.55 294 0.5238 0.4557 0.0437
0.65 66 -0.0664 0.5723 0.0303
0.65 78 -0.4671 0.6072 0.0412
0.65 90 0.2504 0.6478 0.0336
0.65 102 -0.0687 0.5494 0.0303
0.65 114 0.4259 0.4818 0.0396
0.65 126 -0.2335 0.4768 0.0332
0.65 138 0.3234 0.5239 0.0358
0.65 150 -1.6087 0.6243 0.102
0.65 162 -0.5102 0.8007 0.0431
0.65 198 0.0968 0.7311 0.0306
0.65 210 -0.5706 0.6082 0.0458
0.65 222 0.7443 0.5245 0.0542
0.65 234 -0.6681 0.3947 0.0504
0.65 246 0.1658 0.5003 0.0316
0.65 258 -0.5653 0.4872 0.0455
0.65 270 -0.0987 0.4381 0.0306
0.65 282 -0.4952 0.5343 0.0424
0.65 294 0.8281 0.6072 0.0585
0.65 306 -0.2415 0.719 0.0334
0.75 66 -0.9058 0.6833 0.0626
0.75 78 -0.6715 0.5688 0.0506
0.75 102 -1.2996 0.5545 0.0843
0.75 114 0.0345 0.4621 0.0301
0.75 126 -0.239 0.4397 0.0333
0.75 138 0.1467 0.4689 0.0313
0.75 150 -0.0073 0.556 0.03
0.75 162 0.442 0.847 0.0402
0.75 186 0.2574 0.8178 0.0338
0.75 198 -0.8181 0.6927 0.0579
0.75 210 0.0211 0.5041 0.03
0.75 222 -0.1504 0.4065 0.0314
0.75 234 -0.8404 0.4035 0.0591
0.75 246 -0.1711 0.3853 0.0317
0.75 258 -0.0751 0.5611 0.0303
0.75 270 -0.1696 0.689 0.0317
0.75 282 0.1607 0.5461 0.0315
0.75 294 -0.5588 0.5904 0.0452
0.85 90 -0.7436 0.7132 0.0541
0.85 102 0.1583 0.6472 0.0315
0.85 114 0.9746 0.6116 0.0662
0.85 126 -0.3133 0.6061 0.0355
0.85 138 0.1131 0.6346 0.0308
0.85 150 0.3115 0.8773 0.0354
0.85 186 -0.1377 0.8611 0.0311
0.85 198 -0.8319 0.6072 0.0587
0.85 210 0.0673 0.4963 0.0303
0.85 222 -0.0149 0.4806 0.03
0.85 234 0.4004 0.4406 0.0386
0.85 246 0.1159 0.4965 0.0308
0.85 258 -0.0083 0.4717 0.03
0.85 270 -0.5878 0.6151 0.0466
0.95 210 -0.3955 0.7296 0.0384
0.95 222 1.2585 0.5509 0.0819
0.95 234 1.3633 0.5392 0.0879
0.95 246 0.1027 0.6367 0.0306