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Measurement E151M537

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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 : 0.101 GeV2
W : 1355 GeV
ε : 0.9308
Ebeam : 1.9889 GeV
εL: 0.2964 

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
0.15 306 -1.1328 0.4354 0.0755
0.25 54 -1.4322 0.4667 0.0926
0.25 66 -0.0906 0.5935 0.0305
0.25 78 1.6079 0.6716 0.1028
0.25 282 1.091 0.7641 0.0732
0.25 294 -0.3334 0.4223 0.0363
0.25 306 0.2668 0.5453 0.0342
0.35 66 -0.7378 0.3909 0.0542
0.35 78 -0.0027 0.4595 0.03
0.35 282 -0.5211 0.4573 0.0438
0.35 294 0.0412 0.5266 0.0301
0.35 306 0.8731 0.5468 0.0612
0.45 66 0.6642 0.4475 0.0505
0.45 78 -0.1472 0.4231 0.0313
0.45 90 -0.5565 0.5407 0.0454
0.45 282 0.5627 0.5914 0.0457
0.45 294 0.4015 0.4862 0.0388
0.55 66 0.0792 0.527 0.0304
0.55 78 0.1934 0.4703 0.0322
0.55 258 -0.2464 0.5242 0.0336
0.55 270 -0.7983 0.4396 0.0573
0.55 282 -0.267 0.5399 0.0342
0.55 294 -0.5408 0.5781 0.0447
0.65 66 0.4889 0.6318 0.0424
0.65 78 0.4322 0.5975 0.04
0.65 90 -0.2407 0.5451 0.0334
0.65 102 0.7929 0.5541 0.057
0.65 114 0.1152 0.4775 0.0308
0.65 126 0.782 0.775 0.0565
0.65 234 -0.3097 0.506 0.0355
0.65 246 -1.1064 0.3243 0.074
0.65 258 -0.0051 0.4355 0.03
0.65 270 -0.2503 0.4655 0.0337
0.65 282 -1.1136 0.4115 0.0744
0.75 90 0.1317 0.4947 0.0311
0.75 102 0.4449 0.4595 0.0405
0.75 114 0.4965 0.4293 0.0427
0.75 126 -0.4955 0.3759 0.0426
0.75 138 0.5584 0.5791 0.0455
0.75 222 0.0415 0.5384 0.0301
0.75 234 0.4692 0.4784 0.0415
0.75 246 -0.487 0.4042 0.0423
0.75 258 0.4519 0.4237 0.0408
0.75 270 -0.2148 0.414 0.0328
0.75 282 -0.8337 0.413 0.0592
0.85 90 -0.5846 0.5495 0.0467
0.85 102 -0.7864 0.3144 0.0567
0.85 114 -0.0287 0.391 0.0301
0.85 126 -0.0753 0.3732 0.0304
0.85 138 0.2487 0.4447 0.0336
0.85 150 0.3045 0.4613 0.0353
0.85 162 1.0254 0.5849 0.0695
0.85 210 -0.5339 0.4927 0.0443
0.85 222 0.5222 0.4658 0.0438
0.85 234 0.2629 0.4152 0.034
0.85 246 0.0139 0.3453 0.03
0.85 258 0.1937 0.3595 0.0323
0.85 270 -0.0482 0.3623 0.0301
0.85 282 0.0935 0.4475 0.0305
0.95 114 0.0225 0.5921 0.03
0.95 126 -0.3909 0.4778 0.0384
0.95 138 0.6958 0.5303 0.0521
0.95 150 0.546 0.4758 0.0449
0.95 162 -1.018 0.4102 0.0691
0.95 198 0.1833 0.5739 0.032
0.95 210 -0.6704 0.4447 0.0508
0.95 222 -0.4685 0.4338 0.0415
0.95 234 1.0699 0.4321 0.072
0.95 246 -0.4569 0.3393 0.041
0.95 258 0.0956 0.3663 0.0306
0.95 270 0.1993 0.3708 0.0324