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Measurement E151M2751

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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: ALU,
Beam asymmetry.
Beam: e, polarization: longitudinal
Target: p (Z=1, A=1), polarization: longitudinal
Final state: π+n, polarization: none

Q2 : 0.2445 GeV2
W : 1355 GeV
ε : 0.7279
Ebeam : 1.3383 GeV
εL: 0.4351 

Select data slice:
cos(θπ+) =
Observable quantity measured (Y axis): ALU,
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 		ALU Stat. error Syst. error
0.65 270 -0.1287 0.386 0.0301
0.65 282 -0.09 0.4188 0.0301
0.75 126 -0.0773 0.3913 0.03
0.75 246 -0.0392 0.3422 0.03
0.85 102 -0.0395 0.3947 0.03
0.85 114 -0.01 0.4276 0.03
0.85 126 -0.0318 0.3866 0.03
0.85 150 -0.4221 0.3537 0.0312
0.85 258 -0.862 0.2093 0.0346
0.85 282 -0.0601 0.3999 0.03
0.85 294 0.3861 0.2835 0.031
0.85 306 -0.9057 0.146 0.035
0.95 294 -0.4331 0.4287 0.0312
0.55 258 -0.1373 0.2713 0.0301
0.65 258 0.0168 0.2479 0.03
0.65 270 0.0714 0.2476 0.03
0.75 234 -0.3872 0.2666 0.031
0.75 246 0.2908 0.2497 0.0306
0.75 270 -0.126 0.2723 0.0301
0.75 282 0.1394 0.2651 0.0301
0.85 114 0.1989 0.2547 0.0303
0.85 126 -0.191 0.2587 0.0302
0.85 138 0.0697 0.248 0.03
0.85 234 -0.1303 0.2724 0.0301
0.85 246 0.4403 0.2426 0.0313
0.85 258 0.0986 0.272 0.0301
0.85 270 0.0683 0.2277 0.03
0.85 282 0.1293 0.2385 0.0301
0.85 294 -0.1751 0.2462 0.0302
0.85 306 0.4672 0.2553 0.0314
0.95 138 0.3698 0.267 0.0309
0.95 270 -0.4523 0.2395 0.0313
0.95 294 0.0766 0.259 0.03