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Measurement E151M1514

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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 : 0.0171 GeV2
W : 1355 GeV
ε : 0.8844
Ebeam : 1.3383 GeV
εL: 0.0564 

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
0.35 42 1.186 0.811 0.0772
0.45 30 2.3441 2.3441 0.1437
0.55 30 -0.7779 0.8191 0.0554
0.55 42 -0.8451 0.7615 0.0589
0.55 222 1.6012 0.6489 0.1005
0.55 234 -0.3963 0.6919 0.0383
0.55 246 -0.1258 0.6249 0.0309
0.55 258 0.5985 0.6077 0.0468
0.65 126 0.0198 0.6806 0.03
0.65 138 0.1915 0.593 0.0321
0.65 150 -0.4961 0.7594 0.0422
0.65 162 0.2864 0.6739 0.0346
0.65 210 0.1121 0.743 0.0307
0.65 222 -0.5038 0.488 0.0426
0.65 234 0.6767 0.503 0.0504
0.65 246 -0.522 0.4715 0.0433
0.65 258 1.5092 0.5437 0.0953
0.75 126 0.5658 0.7591 0.0453
0.75 138 1.1251 0.5375 0.0738
0.75 150 0.2342 0.6969 0.0331
0.75 162 -0.2976 0.7029 0.0349
0.75 198 1.6232 0.7166 0.1018
0.75 210 -0.3508 0.7299 0.0366
0.75 222 -0.0865 0.544 0.0304
0.75 234 0.0997 0.4866 0.0306
0.75 246 0.4394 0.4541 0.0399
0.75 258 1.0071 0.5308 0.0674
0.85 114 0.3516 0.743 0.0367
0.85 162 -0.4885 0.8137 0.0419
0.85 210 -0.2878 0.7128 0.0346
0.85 222 0.8406 0.5508 0.0586
0.85 234 0.0348 0.5214 0.0301
0.85 246 -0.7262 0.5577 0.0529
0.85 258 -0.1436 0.5569 0.0312
0.25 42 -1.2677 1.1437 0.0796
0.35 42 -0.2182 0.8275 0.0326
0.45 30 -1.9933 0.5112 0.1197
0.45 42 -0.3266 1.0502 0.0355
0.55 30 -0.0237 1.191 0.03
0.55 126 -1.2483 1.0776 0.0785
0.55 138 1.1233 0.9521 0.0719
0.55 222 0.0195 0.8862 0.03
0.55 234 -1.0041 0.7753 0.0656
0.55 246 -0.2318 0.7576 0.0329
0.65 126 -1.11 1.0408 0.0712
0.65 138 -0.5014 0.8684 0.0418
0.65 150 2.0695 0.4979 0.124
0.65 162 -0.2562 1.1058 0.0335
0.65 222 -1.3605 0.5586 0.0846
0.65 234 0.2144 0.6269 0.0325
0.65 246 1.9527 0.4441 0.1174
0.65 258 -1.7747 0.5156 0.1075
0.75 126 0.7804 1.0131 0.0544
0.75 138 -0.1486 0.9737 0.0312
0.75 150 0.2018 0.8415 0.0322
0.75 162 0.709 0.9515 0.051
0.75 210 -1.7115 0.7358 0.1039
0.75 222 -0.117 0.7653 0.0308
0.75 234 -1.2858 0.5402 0.0806
0.75 246 -0.0458 0.6065 0.0301
0.75 258 -0.4449 0.8033 0.0396
0.85 162 -0.7767 0.9108 0.0542
0.85 210 -0.4204 0.8409 0.0387
0.85 222 0.1357 0.6324 0.031
0.85 234 -0.3607 0.6484 0.0366
0.85 246 -0.4231 0.5705 0.0388
0.85 258 -0.1458 0.7356 0.0312
0.85 270 -0.7042 1.0945 0.0508
0.95 222 0.2034 0.7858 0.0322
0.95 234 0.0547 0.8261 0.0302
0.95 246 -0.6103 0.9123 0.0465