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Measurement E103M6
| Experiment: | g7a: Search for medium modification of light vector mesons off nuclei | |
|---|---|---|
| Year: | 2007 |
|
| Spokespersons: | D. Weygand, C. Djalali, M. Kossov | |
| Reaction: | γ56Fe → ρ + X | |
| Polarization: | none | |
| Quantity: | dY/dMρ(e+, e−) | |
| Ebeam: | 4.0 GeV | |
| Eγ: | 0.0 — 3.8 GeV | |
| Publication: |
R. Nasseripour, M. Wood, C. Djalali, D. Weygand, C. Tur, U. Mosel, P. Muehlich Search for Medium Modifications of the ρ Meson //
Phys. Rev. Lett. 99, 262302 (2007)
|
|
| Mρ(e+,e−), [GeV] | dY/dMρ(e+, e−), [counts/24MeV] | uncertainty |
|---|---|---|
| 0.156 | -0.001 | 0.0 |
| 0.18 | -0.048 | 0.0 |
| 0.204 | 0.839 | 1.265 |
| 0.228 | -1.699 | 0.0 |
| 0.252 | 1.338 | 1.897 |
| 0.276 | -2.682 | 0.0 |
| 0.3 | -3.331 | 0.0 |
| 0.324 | 2.393 | 2.408 |
| 0.348 | 0.612 | 2.0 |
| 0.372 | -3.744 | 0.0 |
| 0.396 | 4.595 | 2.966 |
| 0.42 | 2.765 | 2.757 |
| 0.444 | 15.435 | 4.561 |
| 0.468 | 2.257 | 2.864 |
| 0.492 | 22.506 | 5.422 |
| 0.516 | 30.581 | 6.132 |
| 0.54 | 23.427 | 5.568 |
| 0.564 | 17.492 | 5.02 |
| 0.588 | 38.297 | 6.797 |
| 0.612 | 40.443 | 6.87 |
| 0.636 | 36.665 | 6.496 |
| 0.66 | 41.278 | 6.753 |
| 0.684 | 56.391 | 7.81 |
| 0.708 | 55.96 | 7.874 |
| 0.732 | 83.468 | 9.644 |
| 0.756 | 61.35 | 9.165 |
| 0.78 | 76.143 | 13.446 |
| 0.804 | 40.196 | 7.616 |
| 0.828 | 31.247 | 5.865 |
| 0.852 | 25.931 | 5.235 |
| 0.876 | 25.182 | 5.119 |
| 0.9 | 10.535 | 3.376 |
| 0.924 | 18.885 | 4.45 |
| 0.948 | 13.823 | 3.847 |
| 0.972 | 4.339 | 2.408 |
| 0.996 | 19.861 | 4.858 |
| 1.02 | -0.303 | 4.899 |
| 1.044 | 7.822 | 3.286 |
| 1.068 | 10.903 | 3.376 |
| 1.092 | 2.949 | 1.789 |
| 1.116 | 3.904 | 2.0 |
| 1.14 | 4.531 | 2.145 |
| 1.164 | 2.55 | 1.612 |
| 1.188 | 4.172 | 2.049 |