CLAS Physics Database

Measurement E151M1802

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: ALL
εL: 0.1009
Q2: 0.0496 GeV2
W: 1445.0 GeV
Ebeam: 1.9889 GeV
ε: 0.9129

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty
0.15 30.0 -0.3644 0.6938
0.15 42.0 0.7102 0.8159
0.15 66.0 0.3892 0.8023
0.15 342.0 -0.3201 0.8216
0.25 18.0 -0.0174 0.878
0.25 30.0 -0.5517 0.7129
0.25 42.0 0.7842 0.7315
0.25 54.0 -0.0278 0.6537
0.25 66.0 0.1899 0.6027
0.25 78.0 0.2582 0.6242
0.25 282.0 0.6386 0.6422
0.25 294.0 -0.5328 0.5467
0.25 306.0 0.5191 0.7106
0.25 318.0 0.4597 0.7699
0.35 18.0 1.1903 0.6787
0.35 30.0 -0.5145 0.674
0.35 54.0 -0.8972 0.8362
0.35 66.0 -0.2104 0.5057
0.35 78.0 -0.3814 0.4934
0.35 90.0 0.9133 0.6073
0.35 270.0 0.5808 0.5996
0.35 282.0 -0.854 0.454
0.35 294.0 -0.0703 0.4367
0.35 306.0 -0.4338 0.5908
0.35 318.0 1.0416 0.8314
0.35 330.0 -0.0707 0.8406
0.45 30.0 -1.4602 0.8888
0.45 66.0 0.8399 0.5148
0.45 78.0 -0.5523 0.398
0.45 90.0 -0.483 0.4865
0.45 102.0 0.2487 0.5871
0.45 114.0 0.0406 0.7971
0.45 126.0 1.2886 0.8226
0.45 258.0 0.1186 0.7226
0.45 270.0 -0.3628 0.445
0.45 282.0 0.8038 0.4237
0.45 294.0 -0.6764 0.4736
0.45 306.0 0.4144 0.7397
0.45 318.0 -0.4539 0.8046
0.45 330.0 0.2451 0.8596
0.55 66.0 -0.9459 0.6405
0.55 78.0 0.7089 0.4369
0.55 90.0 -0.3528 0.4807
0.55 102.0 0.2845 0.5342
0.55 114.0 -0.0684 0.5601
0.55 126.0 0.2476 0.5611
0.55 138.0 0.6054 0.6166
0.55 210.0 0.0545 0.8712
0.55 222.0 0.0989 0.6614
0.55 234.0 -0.1035 0.6022
0.55 246.0 -0.7514 0.4967
0.55 258.0 -0.6643 0.5365
0.55 270.0 -0.4023 0.4263
0.55 282.0 0.1904 0.3529
0.55 294.0 0.4886 0.5422
0.65 66.0 1.4834 0.4624
0.65 78.0 0.2767 0.6023
0.65 90.0 0.7437 0.5823
0.65 102.0 -1.148 0.5642
0.65 114.0 -0.2955 0.4662
0.65 126.0 0.5577 0.4714
0.65 138.0 -0.0249 0.5432
0.65 150.0 -0.9799 0.6277
0.65 162.0 -0.4785 0.7521
0.65 198.0 -0.1093 0.7184
0.65 210.0 0.0965 0.5705
0.65 222.0 0.1594 0.4517
0.65 234.0 -0.2094 0.4262
0.65 246.0 0.1661 0.4952
0.65 258.0 0.145 0.4702
0.65 270.0 0.5938 0.4701
0.65 282.0 -0.9356 0.5171
0.65 294.0 0.8191 0.4978
0.65 306.0 0.8808 0.6076
0.75 66.0 -0.7095 0.7524
0.75 78.0 0.7252 0.6448
0.75 90.0 -0.2643 0.7441
0.75 102.0 -0.4881 0.6082
0.75 114.0 -0.0649 0.4541
0.75 126.0 0.1853 0.4278
0.75 138.0 -0.0649 0.5198
0.75 150.0 0.0052 0.6
0.75 162.0 -0.0239 0.6989
0.75 186.0 -0.2812 0.7743
0.75 198.0 -0.1158 0.7921
0.75 210.0 -0.3029 0.4954
0.75 222.0 -0.0675 0.4648
0.75 234.0 -0.3978 0.3557
0.75 246.0 -0.5674 0.4601
0.75 258.0 -0.1446 0.4574
0.75 270.0 0.9263 0.6624
0.75 282.0 0.3819 0.4554
0.75 294.0 -0.084 0.4868
0.85 90.0 0.0674 0.8465
0.85 102.0 0.4189 0.6644
0.85 114.0 -0.957 0.5917
0.85 126.0 -0.5451 0.6073
0.85 138.0 -0.9628 0.6461
0.85 150.0 -0.3812 0.7374
0.85 198.0 0.2448 0.5672
0.85 210.0 -0.2255 0.4822
0.85 222.0 -0.1598 0.5204
0.85 234.0 0.5916 0.4081
0.85 246.0 -0.0204 0.4557
0.85 258.0 0.5284 0.5289
0.85 270.0 0.9037 0.6851
0.95 114.0 0.1409 0.7087
0.95 126.0 0.3169 0.7313
0.95 210.0 -0.217 0.6901
0.95 222.0 0.2031 0.5676
0.95 234.0 -0.5042 0.5044
0.95 246.0 -0.056 0.6057
0.95 258.0 1.436 0.6342