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Measurement E151M2822

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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 : 1475 GeV
ε : 0.7155
Ebeam : 1.3383 GeV
εL: 0.1118 

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 0.0729 0.2383 0.03
0.55 222 -0.2951 0.2637 0.0306
0.55 234 -0.4014 0.2569 0.0311
0.55 246 0.2772 0.2246 0.0305
0.55 258 0.1294 0.2545 0.0301
0.65 126 -0.0082 0.2381 0.03
0.65 138 -0.2453 0.2325 0.0304
0.65 150 -0.0053 0.2542 0.03
0.65 222 0.3625 0.208 0.0309
0.65 234 -0.2471 0.2037 0.0304
0.65 246 -0.2084 0.1848 0.0303
0.65 258 -0.1744 0.248 0.0302
0.75 126 0.2465 0.187 0.0304
0.75 138 -0.5843 0.2048 0.0322
0.75 150 0.2103 0.2067 0.0303
0.75 162 0.3914 0.2503 0.031
0.75 210 -0.3792 0.2495 0.0309
0.75 222 0.1068 0.1904 0.0301
0.75 234 0.1747 0.2296 0.0302
0.75 246 0.0922 0.1912 0.0301
0.75 258 -0.0183 0.2078 0.03
0.85 102 0.0209 0.2817 0.03
0.85 114 0.2054 0.2756 0.0303
0.85 126 0.1262 0.2471 0.0301
0.85 150 -0.281 0.2707 0.0305
0.85 222 -0.1363 0.2427 0.0301
0.85 234 -0.0724 0.2109 0.03
0.85 246 -0.2796 0.1799 0.0305
0.85 258 -0.2853 0.2202 0.0305
0.85 270 0.0634 0.2268 0.03
0.95 102 0.1354 0.2426 0.0301
0.95 114 -0.2483 0.2668 0.0304
0.95 138 -0.285 0.2696 0.0305
0.95 234 0.5596 0.2534 0.032
0.95 246 -0.3023 0.2264 0.0306
0.95 258 -0.2443 0.1951 0.0304
0.95 270 0.0772 0.2376 0.03
0.45 234 0.0245 0.4119 0.03
0.55 126 0.402 0.297 0.0311
0.55 138 -0.1877 0.3763 0.0302
0.55 222 -0.3851 0.3379 0.031
0.55 246 -0.1791 0.3123 0.0302
0.55 258 0.071 0.3098 0.03
0.65 126 -0.0827 0.3261 0.03
0.65 138 -0.4343 0.3134 0.0312
0.65 150 0.0159 0.3384 0.03
0.65 210 -0.7924 0.1532 0.0339
0.65 222 -0.4854 0.2832 0.0315
0.65 234 0.4674 0.2092 0.0314
0.65 246 0.0796 0.2713 0.03
0.65 258 -0.1111 0.3831 0.0301
0.75 126 0.3776 0.2609 0.0309
0.75 138 -0.3113 0.323 0.0306
0.75 150 0.5381 0.3101 0.0319
0.75 222 -0.4791 0.267 0.0315
0.75 234 0.4302 0.2 0.0312
0.75 246 -0.3213 0.2139 0.0307
0.75 258 0.2967 0.3003 0.0306
0.85 150 0.1893 0.3083 0.0302
0.85 222 -0.4836 0.3433 0.0315
0.85 234 0.4932 0.2662 0.0316
0.85 246 -0.4557 0.2327 0.0314
0.85 258 0.1103 0.2555 0.0301
0.85 270 0.6772 0.2084 0.0329
0.95 114 0.5198 0.2718 0.0318
0.95 222 0.0223 0.39 0.03
0.95 246 -0.0184 0.355 0.03
0.95 258 0.2546 0.3234 0.0304
0.95 270 0.2401 0.3222 0.0304