Measurement E179M9
Experiment: | SIDIS Dihadron Beam Spin Asymmetry | |
---|---|---|
Year: | 2020 | |
Spokespersons: | C. Dilks, T. Hayward, A. Vossen | |
Reaction: | ep → π π + X | |
Polarization: | beam (longitudinal) | |
Quantity: | ALUsin φR | |
Q2: | 1.0 — 10.6 GeV2 | |
W: | 2.0 — 4.0 GeV | |
x: | 0.06 — 0.77 | |
Ebeam: | 10.6041 GeV | |
Publication: |
T.B. Hayward, C. Dilks, A. Vossen, H. Avakian Observation of Beam Spin Asymmetries in the Process ep→eπ+π-X with CLAS12 //
(submitted to PRL)
|
Q2, [GeV2] | x | M(π+,π−), [GeV] | z | PT, [GeV] | ALUsin φR | uncertainty | syst. uncert. |
---|---|---|---|---|---|---|---|
1.542 | 0.105 | 0.83 | 0.531 | 0.55 | 0.0129509 | 0.00505108 | 0.000786260037914721 |
1.783 | 0.127 | 0.809 | 0.547 | 0.53 | 0.0202707 | 0.0051048 | 0.000945575867642985 |
1.953 | 0.143 | 0.794 | 0.557 | 0.526 | 0.0249649 | 0.00511836 | 0.00116677604640731 |
2.105 | 0.157 | 0.78 | 0.559 | 0.52 | 0.0258283 | 0.00500829 | 0.00123486521454488 |
2.286 | 0.174 | 0.763 | 0.566 | 0.506 | 0.0272455 | 0.00460246 | 0.00127509237130908 |
2.471 | 0.191 | 0.749 | 0.571 | 0.5 | 0.0236855 | 0.00485763 | 0.00109462936584264 |
2.707 | 0.211 | 0.743 | 0.571 | 0.492 | 0.020022 | 0.00435745 | 0.0010424432838742 |
3.003 | 0.235 | 0.733 | 0.572 | 0.485 | 0.0246336 | 0.0045003 | 0.00139535226998407 |
3.307 | 0.261 | 0.716 | 0.571 | 0.468 | 0.0176335 | 0.00473241 | 0.00114905878313679 |
3.721 | 0.294 | 0.701 | 0.569 | 0.46 | 0.0222448 | 0.00443933 | 0.00143349192047438 |
4.337 | 0.342 | 0.679 | 0.565 | 0.44 | 0.0326048 | 0.00449402 | 0.00243382356175454 |
5.658 | 0.44 | 0.63 | 0.547 | 0.408 | 0.0203109 | 0.00453343 | 0.00145445710988 |
Measurement comment:
Experiment comment:
Process: ep→eπ+π-X
Data tables have the following columns: