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Measurement E151M1777

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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 : 0.1715 GeV2
W : 1385 GeV
ε : 0.8997
Ebeam : 1.9889 GeV
εL: 0.3715 

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
0.25 66 -1.6062 0.6958 0.1018
0.25 78 -0.2433 0.8282 0.0334
0.25 294 0.5633 0.6737 0.0454
0.25 306 0.2059 0.8076 0.0325
0.35 66 -0.2677 0.7032 0.0341
0.35 78 0.059 0.678 0.0302
0.35 282 0.1886 0.7403 0.0321
0.35 294 0.1708 0.6951 0.0317
0.35 306 -0.1871 0.826 0.0321
0.45 66 -0.9895 0.7511 0.067
0.45 78 0.1543 0.7484 0.0314
0.45 294 1.3192 0.7056 0.0854
0.55 282 1.4133 0.7006 0.0907
0.65 90 0.0928 0.8041 0.0305
0.65 102 -0.581 0.651 0.0463
0.65 114 -0.0245 0.6339 0.03
0.65 126 -0.463 0.8465 0.0411
0.65 246 -0.7745 0.6395 0.0557
0.65 258 -0.8683 0.5541 0.0606
0.65 270 0.6944 0.6534 0.0517
0.75 90 1.0449 0.5304 0.0701
0.75 102 1.0783 0.5789 0.0719
0.75 114 0.1531 0.5457 0.0314
0.75 126 -0.8322 0.7035 0.0587
0.75 138 -0.8435 0.7831 0.0593
0.75 222 1.2721 0.6784 0.0827
0.75 234 -0.6628 0.619 0.0501
0.75 246 -1.1673 0.5059 0.0768
0.75 258 0.3838 0.4868 0.038
0.75 270 -0.4739 0.4837 0.0415
0.75 282 -0.0353 0.653 0.0301
0.85 78 -0.0364 0.8193 0.0301
0.85 90 0.4908 0.671 0.0422
0.85 102 0.7744 0.4917 0.0557
0.85 114 -0.0165 0.6115 0.03
0.85 126 0.9643 0.5428 0.0657
0.85 138 -0.4414 0.7111 0.0402
0.85 150 -0.4074 0.7639 0.0388
0.85 222 -0.2025 0.5903 0.0324
0.85 234 0.4678 0.4851 0.0413
0.85 246 -0.0622 0.585 0.0302
0.85 258 1.0351 0.5471 0.0695
0.85 270 -0.07 0.5581 0.0303
0.85 282 -0.6467 0.4838 0.0494
0.85 294 -0.9429 0.558 0.0645
0.95 78 -1.1608 0.6939 0.0765
0.95 114 -0.1108 0.591 0.0307
0.95 126 -0.845 0.5624 0.0593
0.95 138 0.2436 0.6855 0.0334
0.95 222 -0.1327 0.5922 0.0311
0.95 234 -0.2343 0.6491 0.0332
0.95 246 0.456 0.5419 0.0408
0.95 258 0.1291 0.4822 0.031
0.95 270 -0.0473 0.4553 0.0301
0.95 282 0.8525 0.4429 0.0597
0.95 294 0.2325 0.5246 0.0331