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Measurement E151M1772

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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 : 0.0707 GeV2
W : 1385 GeV
ε : 0.9294
Ebeam : 1.9889 GeV
εL: 0.1884 

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 -0.634 0.8237 0.0487
0.15 66 -0.2234 0.7421 0.0329
0.15 294 -0.5149 0.7807 0.0433
0.25 54 -0.7606 0.8207 0.055
0.25 66 -0.5625 0.6092 0.0454
0.25 78 0.0702 0.7307 0.0303
0.25 282 -0.5378 0.5944 0.0443
0.25 294 -0.1241 0.5552 0.0309
0.25 306 -0.3872 0.595 0.0381
0.35 66 -0.5633 0.4494 0.0454
0.35 78 -0.4646 0.4711 0.0411
0.35 90 0.2602 0.7066 0.0339
0.35 282 0.5888 0.4834 0.0466
0.35 294 -0.0861 0.4682 0.0304
0.35 306 -0.4415 0.5999 0.0402
0.45 66 0.5961 0.4906 0.047
0.45 78 -0.0565 0.3959 0.0302
0.45 90 0.1222 0.5689 0.0309
0.45 270 0.7583 0.663 0.0549
0.45 282 0.2444 0.419 0.0335
0.45 294 0.2383 0.4439 0.0333
0.45 306 -0.6426 0.6152 0.0492
0.55 66 0.1567 0.5914 0.0315
0.55 78 -0.8529 0.5362 0.0598
0.55 90 -0.3193 0.5154 0.0357
0.55 102 -0.1913 0.6744 0.0322
0.55 114 -1.0562 0.7903 0.0707
0.55 246 1.0981 0.7397 0.073
0.55 258 0.9286 0.614 0.0638
0.55 270 -0.4987 0.5637 0.0426
0.55 282 0.58 0.4463 0.0462
0.55 294 -0.0469 0.501 0.0301
0.55 306 0.5996 0.7445 0.0471
0.65 66 0.9079 0.5402 0.0627
0.65 78 1.2956 0.4405 0.084
0.65 90 -0.6681 0.5372 0.0504
0.65 102 0.1558 0.4999 0.0315
0.65 114 -0.0486 0.4664 0.0301
0.65 126 0.3011 0.4507 0.0351
0.65 138 -1.1803 0.5685 0.0776
0.65 150 0.3191 0.7566 0.0357
0.65 222 1.2238 0.7173 0.08
0.65 234 -0.0108 0.5127 0.03
0.65 246 0.2917 0.4668 0.0348
0.65 258 -0.4144 0.4894 0.0391
0.65 270 0.1107 0.512 0.0307
0.65 282 0.636 0.5441 0.0488
0.65 294 0.8184 0.5669 0.058
0.75 78 -0.0483 0.6643 0.0301
0.75 90 -0.2231 0.6609 0.0329
0.75 102 -0.0618 0.4652 0.0302
0.75 114 -0.2649 0.43 0.034
0.75 126 -0.1134 0.4325 0.0308
0.75 138 -0.7207 0.4523 0.053
0.75 150 0.9411 0.6167 0.0644
0.75 198 -1.09 0.6819 0.0725
0.75 210 -1.2519 0.5178 0.0816
0.75 222 -0.1355 0.5279 0.0311
0.75 234 0.4671 0.392 0.0412
0.75 246 0.2585 0.3484 0.0338
0.75 258 -0.4691 0.4112 0.0413
0.75 270 0.8572 0.464 0.06
0.75 282 0.5387 0.8078 0.0443
0.75 294 -0.9621 0.784 0.0656
0.85 90 -0.5939 0.7092 0.0469
0.85 102 0.1724 0.5783 0.0318
0.85 114 -0.4442 0.4077 0.0403
0.85 126 -0.3929 0.4253 0.0383
0.85 138 -0.2685 0.4256 0.0341
0.85 150 -0.1381 0.5319 0.0311
0.85 162 0.3936 0.6935 0.0383
0.85 198 -0.0182 0.7317 0.03
0.85 210 -0.0128 0.6096 0.03
0.85 222 0.5657 0.4474 0.0456
0.85 234 0.2004 0.4224 0.0324
0.85 246 0.3958 0.3753 0.0384
0.85 258 -0.1168 0.358 0.0308
0.85 270 0.505 0.4404 0.0429
0.85 282 0.6155 0.6433 0.0479
0.95 102 -0.0716 0.6532 0.0303
0.95 126 0.182 0.6533 0.032
0.95 138 0.8511 0.6542 0.0597
0.95 210 2.006 2.006 0.1252
0.95 222 -0.096 0.5376 0.0306
0.95 234 -0.3164 0.4693 0.0356
0.95 246 -0.4178 0.5021 0.0393
0.95 258 0.5884 0.4762 0.0466
0.95 270 0.4699 0.7453 0.0414