Measurement E179M14
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 (2φh−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 (2φh−φR) | uncertainty | syst. uncert. |
---|---|---|---|---|---|---|---|
3.145 | 0.249 | 0.338 | 0.53 | 0.638 | 0.00195179 | 0.00613249 | 0.000138562833603989 |
3.09 | 0.242 | 0.422 | 0.546 | 0.589 | 0.000273091 | 0.00568156 | 0.000187265668893084 |
3.057 | 0.24 | 0.496 | 0.551 | 0.571 | 0.00330107 | 0.00594337 | 0.000692657391063257 |
3.056 | 0.238 | 0.568 | 0.55 | 0.549 | -0.011903 | 0.00545683 | 0.00101659455331181 |
3.0 | 0.233 | 0.641 | 0.547 | 0.519 | -0.00640669 | 0.00522128 | 0.000760762780156535 |
2.918 | 0.225 | 0.708 | 0.55 | 0.494 | -0.0152138 | 0.00465744 | 0.00111974048681317 |
2.893 | 0.222 | 0.759 | 0.555 | 0.472 | -0.0084841 | 0.00486695 | 0.00065446925335454 |
2.855 | 0.219 | 0.805 | 0.559 | 0.458 | -0.00926216 | 0.00466098 | 0.000709125225149358 |
2.826 | 0.216 | 0.864 | 0.56 | 0.434 | -0.0022425 | 0.00424473 | 0.000688376753847707 |
2.764 | 0.209 | 0.939 | 0.569 | 0.417 | -0.00955984 | 0.00417187 | 0.000748520503839526 |
2.665 | 0.199 | 1.045 | 0.579 | 0.394 | -0.00715822 | 0.00379735 | 0.000553825915287604 |
2.471 | 0.18 | 1.271 | 0.628 | 0.378 | 0.0038687 | 0.00360298 | 0.00024065945482049 |
Measurement comment:
Experiment comment:
Process: ep→eπ+π-X
Data tables have the following columns: