CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E151M350

You are not logged in.

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: AUL,
Target spin asymmetry.
Beam: e, polarization: longitudinal
Target: p (Z=1, A=1), polarization: longitudinal
Final state: π+n, polarization: none

Q2 : 0.0171 GeV2
W : 1445 GeV
ε : 0.8048
Ebeam : 1.3383 GeV
εL: 0.0324 

Select data slice:
cos(θπ+) =
Observable quantity measured (Y axis): AUL,
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 		AUL Data errors Systematic errors
0.35 30 0.4707 0.6674 0.0418
0.35 42 0.1094 0.6112 0.0308
0.45 18 0.0046 0.5859 0.03
0.45 30 0.0537 0.5481 0.0302
0.45 42 -1.2977 0.4645 0.0858
0.45 54 1.5196 0.6158 0.0988
0.45 222 -0.0369 0.6912 0.0301
0.45 234 0.9775 0.6391 0.0676
0.55 18 0.364 0.6446 0.0375
0.55 30 -0.5846 0.628 0.047
0.55 42 -0.6808 0.4725 0.0517
0.55 126 -0.0511 0.6212 0.0302
0.55 138 -0.4116 0.5349 0.0394
0.55 150 -0.8053 0.5693 0.0582
0.55 198 -0.2974 0.6701 0.0352
0.55 210 -0.2875 0.5504 0.0349
0.55 222 0.3997 0.6055 0.0389
0.55 234 -0.6797 0.4562 0.0517
0.55 246 0.4437 0.5162 0.0407
0.65 42 0.0308 0.6525 0.0301
0.65 126 -0.0719 0.5411 0.0303
0.65 138 -0.6726 0.5443 0.0513
0.65 150 -0.5987 0.5162 0.0477
0.65 162 -0.4961 0.6579 0.0429
0.65 198 -0.1135 0.7316 0.0308
0.65 210 0.5261 0.4748 0.0443
0.65 222 0.2161 0.4437 0.0328
0.65 234 0.2307 0.4044 0.0332
0.65 246 -0.6531 0.4085 0.0504
0.75 126 -0.1929 0.7128 0.0323
0.75 138 0.2504 0.4985 0.0338
0.75 150 -0.6894 0.5332 0.0522
0.75 162 -0.99 0.5602 0.0682
0.75 210 -0.0353 0.5778 0.0301
0.75 222 -0.4751 0.4711 0.042
0.75 234 0.5322 0.4192 0.0446
0.75 246 1.0206 0.4539 0.07
0.85 114 0.5612 0.6569 0.0459
0.85 126 -0.1597 0.5859 0.0316
0.85 138 0.847 0.6916 0.0604
0.85 210 -0.1384 0.5566 0.0312
0.85 222 -0.0011 0.4542 0.03
0.85 234 -0.1821 0.4459 0.032
0.85 246 0.3693 0.4426 0.0377
0.85 258 -0.3373 0.6436 0.0366
0.95 234 -0.4663 0.5019 0.0416
0.25 30 1.9242 1.3782 0.1197
0.25 42 -0.2266 0.8903 0.033
0.35 30 0.0537 0.8951 0.0302
0.35 42 0.9557 1.0089 0.0649
0.45 18 1.3877 1.1019 0.0888
0.45 30 0.6744 1.0035 0.0505
0.45 42 0.6021 1.0436 0.0471
0.45 54 -0.2044 0.93 0.0324
0.45 234 -0.4015 0.8196 0.0385
0.55 18 -0.8275 0.7005 0.0582
0.55 30 -0.5817 0.5536 0.0461
0.55 42 0.2677 0.9001 0.0341
0.55 138 -2.1954 0.3375 0.1356
0.55 150 -1.4876 0.5145 0.0945
0.55 210 -0.6518 0.666 0.0494
0.55 222 1.0895 0.9304 0.0721
0.55 234 1.5195 0.8515 0.0963
0.55 246 -0.0934 0.7452 0.0305
0.65 42 1.196 1.1714 0.078
0.65 126 -0.8824 0.6466 0.061
0.65 138 -1.24 0.4913 0.0805
0.65 150 -0.7782 0.6031 0.0556
0.65 162 -1.2339 0.6713 0.0801
0.65 198 0.3066 1.0235 0.0352
0.65 210 0.7921 0.8427 0.0563
0.65 222 -0.0176 0.5998 0.03
0.65 234 0.7085 0.8182 0.0522
0.65 246 0.357 0.6909 0.0369
0.75 126 0.0244 0.9139 0.03
0.75 138 -0.596 0.8676 0.0468
0.75 150 -1.123 0.5916 0.074
0.75 210 1.6579 0.9953 0.1042
0.75 222 0.2507 0.6884 0.0336
0.75 234 0.4159 0.5877 0.0391
0.75 246 0.7778 0.7106 0.0556
0.75 258 0.5781 1.1872 0.046
0.85 114 -0.7639 0.7311 0.0549
0.85 126 -0.2034 0.8904 0.0324
0.85 210 -0.2333 0.7316 0.0331
0.85 222 0.4682 0.8069 0.0412
0.85 234 -0.3859 0.488 0.0379
0.85 246 1.1335 0.7395 0.0746
0.85 258 -0.3343 0.7757 0.0361
0.95 234 -0.2993 0.6775 0.035