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Measurement E151M2654

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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 : 0.1205 GeV2
W : 1205 GeV
ε : 0.9081
Ebeam : 1.3383 GeV
εL: 0.8044 

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
0.45 282 0.5542 0.2492 0.032
0.45 294 0.2473 0.379 0.0304
0.55 270 0.306 0.3268 0.0306
0.55 282 -0.5603 0.248 0.032
0.55 294 0.4366 0.2812 0.0312
0.65 270 -0.0001 0.3633 0.03
0.65 282 -0.1215 0.3432 0.0301
0.75 270 -0.8319 0.196 0.0343
0.75 282 -0.0782 0.3275 0.03
0.85 102 0.3305 0.3192 0.0307
0.95 114 -0.0188 0.3935 0.03
0.95 126 0.097 0.3599 0.0301
0.95 138 -0.2644 0.3607 0.0305
0.95 150 -0.4862 0.2767 0.0315
0.95 198 -0.2243 0.3769 0.0303
0.35 294 0.2214 0.2592 0.0303
0.45 282 0.0984 0.2473 0.0301
0.55 270 0.3198 0.2153 0.0307
0.55 282 -0.087 0.2258 0.0301
0.55 294 -0.4148 0.2381 0.0311
0.65 270 0.1366 0.2094 0.0301
0.65 282 0.0691 0.2152 0.03
0.75 258 -0.0347 0.2951 0.03
0.75 270 0.0572 0.2467 0.03
0.75 282 0.1788 0.2203 0.0302
0.85 102 0.2582 0.2625 0.0304
0.85 126 0.1539 0.2874 0.0302
0.95 114 0.2422 0.2441 0.0304
0.95 126 -0.0973 0.2697 0.0301
0.95 138 -0.2582 0.2282 0.0304
0.95 150 -0.1947 0.236 0.0303
0.95 162 -0.0577 0.2659 0.03
0.95 186 -0.262 0.2216 0.0305