Measurement E213M1331
| Experiment: | E1-6, 2025 | |
|---|---|---|
| Year: | 2001 | |
| Spokespersons: | R.W. Gothe, A. Trivedi | |
| Reaction: | ep → π+π−p | |
| Polarization: | none | |
| Quantity: | dσ/dM(π+,π−) | |
| Q2: | 4.2 — 5.0 GeV2 | |
| W: | 1.775 — 1.8 GeV | |
| Ebeam: | 5.754 GeV | |
| M(π+,π−), [GeV] | dσ/dM(π+,π−), [μb/GeV] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 0.301733 | 0.5992 | 0.0855 | 0.1499 | 0.1726 |
| 0.346918 | 1.6316 | 0.1888 | 0.3753 | 0.4202 |
| 0.392102 | 2.1015 | 0.2311 | 0.4379 | 0.4951 |
| 0.437287 | 2.3828 | 0.2539 | 0.4628 | 0.5279 |
| 0.482472 | 1.9649 | 0.2242 | 0.4172 | 0.4736 |
| 0.527657 | 2.0282 | 0.2166 | 0.4175 | 0.4704 |
| 0.572842 | 2.0157 | 0.2039 | 0.4245 | 0.4709 |
| 0.618027 | 2.5301 | 0.2596 | 0.4951 | 0.5591 |
| 0.663211 | 3.5992 | 0.3716 | 0.5892 | 0.6966 |
| 0.708396 | 4.4461 | 0.5549 | 0.5451 | 0.7779 |
| 0.753581 | 5.2746 | 0.4548 | 0.5448 | 0.7097 |
| 0.798766 | 3.0494 | 0.257 | 0.3067 | 0.4002 |
| 0.843951 | 0.9558 | 0.1163 | 0.107 | 0.158 |
| 0.889136 | 0.0 | 0.0 | 0.0 | 0.0 |
Experiment comment: