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Measurement E151M2823

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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 : 0.101 GeV2
W : 1475 GeV
ε : 0.7018
Ebeam : 1.3383 GeV
εL: 0.128 

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 -0.4629 0.2769 0.0314
0.55 222 0.2464 0.3812 0.0304
0.55 234 0.1452 0.332 0.0301
0.55 246 -0.1096 0.327 0.0301
0.55 258 0.0908 0.3248 0.0301
0.65 126 0.3161 0.3324 0.0307
0.65 138 0.235 0.3426 0.0304
0.65 210 0.0287 0.3971 0.03
0.65 222 0.4573 0.2339 0.0314
0.65 234 -0.3204 0.3226 0.0307
0.65 246 0.4476 0.2186 0.0313
0.65 258 -0.1664 0.333 0.0302
0.75 126 0.4026 0.3129 0.0311
0.75 210 -0.762 0.1728 0.0336
0.75 222 0.2794 0.3675 0.0305
0.75 234 0.0224 0.3095 0.03
0.75 246 -0.0268 0.2901 0.03
0.75 258 -0.2619 0.2592 0.0305
0.85 222 0.1248 0.3377 0.0301
0.85 234 0.0015 0.3117 0.03
0.85 246 -0.0906 0.2749 0.0301
0.85 258 -0.3781 0.2782 0.0309
0.85 270 -0.3582 0.3131 0.0308
0.95 222 -0.558 0.2711 0.032
0.95 234 -0.865 0.1552 0.0346
0.95 246 -0.1404 0.3999 0.0301
0.95 270 -0.4756 0.2458 0.0315
0.45 246 0.0265 0.2851 0.03
0.55 138 -0.163 0.2553 0.0302
0.55 222 0.2217 0.2368 0.0303
0.55 234 0.1091 0.2344 0.0301
0.55 246 -0.3819 0.2204 0.031
0.65 126 -0.2794 0.1842 0.0305
0.65 138 0.3286 0.2255 0.0307
0.65 150 -0.3655 0.2147 0.0309
0.65 162 -0.2032 0.2615 0.0303
0.65 222 0.0141 0.2479 0.03
0.65 234 -0.4091 0.2096 0.0311
0.65 246 0.0849 0.1976 0.03
0.65 258 0.0519 0.2546 0.03
0.75 114 0.4302 0.254 0.0312
0.75 126 0.1321 0.1941 0.0301
0.75 138 -0.032 0.234 0.03
0.75 150 0.1844 0.2288 0.0302
0.75 222 -0.2342 0.2061 0.0304
0.75 234 -0.3298 0.199 0.0307
0.75 246 -0.3733 0.1942 0.0309
0.75 258 -0.1743 0.2018 0.0302
0.85 114 0.2235 0.2339 0.0303
0.85 150 0.1903 0.2467 0.0302
0.85 222 0.1305 0.2821 0.0301
0.85 234 -0.5089 0.2128 0.0317
0.85 246 -0.395 0.1946 0.031
0.85 258 0.2248 0.1799 0.0303
0.95 102 0.5242 0.2331 0.0318
0.95 114 -0.025 0.2657 0.03
0.95 126 0.2015 0.2638 0.0303
0.95 234 -0.5045 0.2482 0.0317
0.95 246 0.2908 0.21 0.0306
0.95 258 0.3283 0.2438 0.0307
0.95 270 -0.0868 0.2269 0.0301