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Measurement E151M2031

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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 : 0.1435 GeV2
W : 1415 GeV
ε : 0.9222
Ebeam : 2.2596 GeV
εL: 0.2911 

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 66 -0.0482 1.1466 0.0303
0.45 78 0.9235 1.1189 0.09
0.45 282 -2.4093 0.8857 0.2234
0.45 294 0.4137 0.8093 0.0484
0.65 102 -0.2964 1.143 0.0405
0.65 114 0.1244 1.1309 0.0321
0.65 246 -0.4188 1.0765 0.0488
0.75 90 -1.2732 1.1344 0.1208
0.75 102 -1.9244 1.0209 0.1794
0.75 114 0.1342 0.9733 0.0324
0.75 126 1.7159 1.2179 0.1605
0.75 138 1.0223 1.3442 0.0986
0.75 210 -1.2618 1.222 0.1198
0.75 234 -1.3993 1.0739 0.1321
0.75 246 -0.2083 0.943 0.0356
0.75 258 0.4847 0.9634 0.0537
0.75 270 -0.4763 1.1389 0.0531
0.85 102 -0.6158 1.477 0.0641
0.85 114 -1.2426 1.14 0.1181
0.85 126 2.1342 1.2487 0.1984
0.85 138 1.4206 1.4659 0.134
0.85 222 -1.4098 1.322 0.133
0.85 234 0.2178 1.1522 0.0361
0.85 246 1.4484 1.0516 0.1364
0.85 258 0.0702 0.9143 0.0307
0.85 270 0.7481 0.9646 0.075
0.95 234 5.0399 3.488 0.4641
0.95 246 -2.7457 3.2725 0.2541
0.95 258 1.319 2.9356 0.1249
0.95 270 1.077 3.0399 0.1034
0.95 282 0.8176 2.8838 0.0809
0.25 294 1.4738 0.6256 0.1005
0.35 66 0.2928 0.5624 0.0355
0.35 294 -0.0727 0.6663 0.0304
0.35 306 0.6051 0.6658 0.0495
0.45 66 -0.8033 0.7093 0.0603
0.45 78 -2.2398 2.2398 0.1488
0.45 282 0.1734 0.7527 0.0321
0.45 294 -0.1481 0.6837 0.0315
0.55 270 0.3121 0.7759 0.0362
0.55 282 -0.4172 0.7297 0.0405
0.65 102 1.197 0.55 0.0834
0.65 114 0.5551 0.6995 0.0469
0.65 246 -0.3571 0.7473 0.0379
0.75 90 1.1246 0.6303 0.0791
0.75 102 -0.0669 0.6353 0.0303
0.75 114 -0.3783 0.7001 0.0388
0.75 126 -0.3213 0.7354 0.0366
0.75 138 -1.0682 0.8497 0.0757
0.75 234 0.3544 0.8761 0.0378
0.75 246 -0.1484 0.6821 0.0315
0.75 258 0.55 0.8073 0.0467
0.75 270 0.4074 0.7828 0.04
0.85 90 -0.199 0.8945 0.0327
0.85 102 -0.4681 0.8139 0.0427
0.85 114 1.1708 0.8157 0.0819
0.85 126 0.9656 0.6745 0.0696
0.85 138 0.9084 0.8962 0.0663
0.85 222 -1.218 0.983 0.0847
0.85 234 0.5758 0.678 0.048
0.85 246 1.0367 0.747 0.0738
0.85 258 -0.1123 0.6493 0.0309
0.85 270 0.8035 0.6447 0.0603
0.85 282 0.1668 0.723 0.0319
0.95 222 0.6251 1.4002 0.0505
0.95 246 0.771 1.2135 0.0584
0.95 258 -1.609 1.1756 0.1089
0.95 270 0.2119 1.029 0.033
0.95 282 0.5738 1.0279 0.0479