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Measurement E151M2859

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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 : 0.0844 GeV2
W : 1535 GeV
ε : 0.6289
Ebeam : 1.3383 GeV
εL: 0.0768 

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
0.55 138 -0.2922 0.2434 0.0306
0.55 234 0.0803 0.2479 0.03
0.65 162 -0.221 0.2334 0.0303
0.65 210 -0.5141 0.2226 0.0317
0.65 222 -0.3762 0.2232 0.0309
0.65 234 -0.1988 0.226 0.0303
0.65 246 -0.2743 0.2208 0.0305
0.75 150 -0.0205 0.2584 0.03
0.75 210 0.7697 0.2404 0.0337
0.75 222 -0.3685 0.2467 0.0309
0.75 246 -0.3012 0.2253 0.0306
0.75 258 -0.2564 0.243 0.0304
0.85 234 -0.1693 0.269 0.0302
0.85 246 -0.3318 0.2338 0.0307
0.85 258 -0.1784 0.201 0.0302
0.95 114 0.1972 0.266 0.0303
0.95 126 0.0159 0.2501 0.03
0.45 246 -0.2526 0.3332 0.0304
0.55 222 -0.2728 0.3836 0.0305
0.55 234 0.0238 0.3604 0.03
0.55 258 -0.0692 0.4163 0.03
0.65 150 0.267 0.3437 0.0305
0.65 162 0.1141 0.3881 0.0301
0.65 210 0.5434 0.2754 0.0319
0.65 222 -0.5688 0.3327 0.0321
0.65 234 0.743 0.2051 0.0335
0.65 246 -0.239 0.3081 0.0304
0.75 150 0.0143 0.3716 0.03
0.75 222 -0.5109 0.2421 0.0317
0.75 246 0.4533 0.2801 0.0313
0.75 258 -0.5749 0.25 0.0321
0.85 222 0.1498 0.4081 0.0301
0.85 234 -0.3753 0.3255 0.0309
0.85 246 0.7358 0.248 0.0334
0.85 258 0.1129 0.2873 0.0301
0.95 234 0.0151 0.4026 0.03