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Measurement E151M3274

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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 : 0.0415 GeV2
W : 1475 GeV
ε : 0.927
Ebeam : 2.2596 GeV
εL: 0.0759 

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
0.35 66 -0.3708 0.2493 0.0309
0.35 78 0.4631 0.1656 0.0314
0.45 78 -0.1341 0.2508 0.0301
0.45 90 0.0691 0.2463 0.03
0.45 282 0.1306 0.252 0.0301
0.55 78 0.2377 0.2285 0.0304
0.55 282 -0.3671 0.2368 0.0309
0.65 114 0.0634 0.2649 0.03
0.65 126 -0.1655 0.2533 0.0302
0.65 222 0.3956 0.264 0.031
0.65 234 -0.5603 0.2223 0.032
0.65 246 0.3931 0.213 0.031
0.75 114 0.2458 0.2562 0.0304
0.75 126 -0.4543 0.2361 0.0313
0.75 138 0.4545 0.2181 0.0313
0.75 222 0.0173 0.2663 0.03
0.75 234 0.1213 0.2453 0.0301
0.75 246 -0.4149 0.2569 0.0311
0.85 222 0.3589 0.2477 0.0308
0.85 234 0.2572 0.2333 0.0304
0.85 246 -0.003 0.2286 0.03
0.35 282 -0.5277 0.2122 0.0318
0.45 78 -0.0942 0.2043 0.0301
0.45 282 -0.0852 0.2321 0.03
0.45 294 -0.0389 0.2505 0.03
0.55 114 -0.5056 0.2181 0.0317
0.55 126 0.2031 0.2495 0.0303
0.55 270 -0.0302 0.2661 0.03
0.55 282 0.1562 0.2326 0.0302
0.65 150 -0.2111 0.2384 0.0303
0.65 222 0.0225 0.2544 0.03
0.65 234 -0.0993 0.2157 0.0301
0.75 114 -0.1541 0.2071 0.0302
0.75 126 0.4141 0.2092 0.0311
0.75 138 0.4101 0.2482 0.0311
0.75 222 -0.1639 0.2244 0.0302
0.75 234 -0.2192 0.2194 0.0303
0.85 222 -0.1502 0.244 0.0302
0.85 234 0.2933 0.2279 0.0306
0.85 246 0.2654 0.2375 0.0305