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Measurement E151M2780

Experiment: EG4
Year: 2016

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).
Spokesperson: Xiaochao Zheng
Reaction: ep → π+n
Polarization: beam (longitudinal), target (longitudinal)
Quantity: ALU
εL: 0.0883
Q2: 0.0415 GeV2
W: 1415.0 GeV
Ebeam: 1.3383 GeV
ε: 0.8171

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.35 42.0 0.4106 0.2398
0.45 30.0 -0.1874 0.2336
0.45 42.0 -0.4911 0.226
0.55 126.0 0.3871 0.2468
0.55 138.0 0.2551 0.258
0.55 222.0 -0.0414 0.252
0.55 234.0 -0.2506 0.1982
0.55 246.0 -0.3806 0.1983
0.55 258.0 0.0862 0.2895
0.65 126.0 0.0595 0.2166
0.65 138.0 -0.0207 0.1959
0.65 150.0 -0.0942 0.2285
0.65 222.0 0.0904 0.222
0.65 234.0 0.2288 0.1764
0.65 246.0 0.1741 0.1835
0.65 258.0 -0.3189 0.225
0.75 114.0 0.0409 0.2497
0.75 126.0 0.1353 0.1764
0.75 138.0 0.1075 0.2019
0.75 150.0 -0.0192 0.2131
0.75 162.0 0.2132 0.2246
0.75 210.0 0.0313 0.2524
0.75 222.0 0.2108 0.2229
0.75 234.0 -0.22 0.2161
0.75 246.0 0.0044 0.168
0.75 258.0 0.4812 0.1932
0.85 114.0 0.4342 0.2374
0.85 126.0 0.5016 0.209
0.85 150.0 -0.0852 0.2691
0.85 222.0 -0.3294 0.2023
0.85 234.0 -0.5837 0.1649
0.85 246.0 -0.4535 0.167
0.85 258.0 0.197 0.2328
0.85 270.0 -0.293 0.2511
0.95 114.0 0.0456 0.2735
0.95 234.0 -0.3412 0.2471
0.95 246.0 -0.5562 0.1971
0.95 258.0 0.0232 0.2351
0.25 42.0 0.2709 0.3459
0.35 42.0 -0.3016 0.275
0.45 18.0 -0.3909 0.3159
0.45 30.0 -0.1888 0.3071
0.45 42.0 -0.4888 0.2246
0.55 42.0 0.0608 0.3556
0.55 138.0 0.3823 0.3008
0.55 210.0 0.0232 0.434
0.55 222.0 -0.6594 0.2272
0.55 234.0 0.4228 0.3011
0.55 246.0 0.0584 0.2936
0.55 258.0 -0.1279 0.3508
0.65 126.0 -0.127 0.3149
0.65 138.0 -0.0358 0.2974
0.65 150.0 0.3058 0.2537
0.65 210.0 0.1073 0.3629
0.65 222.0 0.1157 0.3203
0.65 234.0 -0.0062 0.2634
0.65 246.0 0.1725 0.2244
0.65 258.0 0.1712 0.3347
0.75 114.0 -0.1705 0.3408
0.75 126.0 0.1725 0.2864
0.75 138.0 -0.2099 0.301
0.75 150.0 0.3866 0.3503
0.75 174.0 0.2934 0.3392
0.75 210.0 -0.2639 0.4035
0.75 222.0 0.1201 0.2718
0.75 234.0 -0.6695 0.1684
0.75 246.0 -0.2818 0.2502
0.75 258.0 0.0703 0.3238
0.85 150.0 0.7719 0.2088
0.85 222.0 0.3349 0.3237
0.85 234.0 -0.1791 0.2613
0.85 246.0 0.2037 0.2844
0.85 258.0 0.0988 0.2429
0.85 270.0 0.3141 0.2894
0.95 126.0 0.3904 0.3219
0.95 234.0 -0.1609 0.3694
0.95 246.0 -0.5738 0.2196
0.95 258.0 -0.1238 0.3217
Created in SINP MSU, CLAS Collaboration