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Measurement E151M3033

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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 : 1445 GeV
ε : 0.8482
Ebeam : 1.9889 GeV
εL: 0.3463 

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
0.15 66 -0.1038 0.2821 0.0301
0.35 66 0.0745 0.2251 0.03
0.35 282 -0.3172 0.2728 0.0307
0.35 294 0.0076 0.2711 0.03
0.55 114 -0.2149 0.259 0.0303
0.65 102 0.1682 0.2153 0.0302
0.65 114 -0.0132 0.2138 0.03
0.65 258 -0.1942 0.2661 0.0303
0.75 90 0.0656 0.2055 0.03
0.75 102 -0.0499 0.2139 0.03
0.75 114 -0.0165 0.237 0.03
0.75 126 -0.0516 0.264 0.03
0.75 234 0.1959 0.239 0.0303
0.75 246 0.1332 0.2531 0.0301
0.75 258 -0.5536 0.2095 0.032
0.75 270 -0.4606 0.2001 0.0314
0.85 66 -0.2299 0.2552 0.0304
0.85 78 -0.2304 0.2438 0.0304
0.85 90 0.3603 0.2509 0.0309
0.85 102 0.3864 0.2601 0.031
0.85 114 -0.104 0.2228 0.0301
0.85 126 0.2752 0.2326 0.0305
0.85 210 -0.6089 0.2574 0.0324
0.85 234 -0.0425 0.2419 0.03
0.85 246 -0.1037 0.2447 0.0301
0.85 258 -0.0581 0.1987 0.03
0.85 270 -0.1654 0.2393 0.0302
0.85 282 -0.0958 0.2121 0.0301
0.95 234 -0.1185 0.2767 0.0301
0.95 258 0.1675 0.2492 0.0302
0.95 270 0.2263 0.232 0.0303
0.95 282 -0.0824 0.2481 0.03
0.95 294 0.226 0.2476 0.0303