Measurement E103M5
| Experiment: | g7a: Search for medium modification of light vector mesons off nuclei | |
|---|---|---|
| Year: | 2007 |
|
| Spokespersons: | D. Weygand, C. Djalali, M. Kossov | |
| Reaction: | γ12C → 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 |
|---|---|---|
| 0.132 | 1.0 | 1.0 |
| 0.156 | -0.024 | 0.0 |
| 0.18 | 1.146 | 1.095 |
| 0.204 | 2.021 | 1.949 |
| 0.228 | -0.384 | 1.612 |
| 0.252 | -5.195 | 0.001 |
| 0.276 | -0.953 | 2.0 |
| 0.3 | -5.357 | 0.632 |
| 0.324 | -0.174 | 2.49 |
| 0.348 | 16.818 | 4.817 |
| 0.372 | 11.758 | 4.336 |
| 0.396 | 7.539 | 3.899 |
| 0.42 | 3.94 | 3.633 |
| 0.444 | 26.468 | 6.017 |
| 0.468 | 18.618 | 5.459 |
| 0.492 | 8.576 | 4.539 |
| 0.516 | 24.038 | 6.116 |
| 0.54 | 23.619 | 6.083 |
| 0.564 | 33.185 | 6.914 |
| 0.588 | 34.502 | 6.986 |
| 0.612 | 60.71 | 8.532 |
| 0.636 | 69.978 | 8.877 |
| 0.66 | 56.128 | 7.899 |
| 0.684 | 78.287 | 9.22 |
| 0.708 | 93.221 | 10.1 |
| 0.732 | 112.701 | 11.269 |
| 0.756 | 96.548 | 11.576 |
| 0.78 | 92.555 | 17.268 |
| 0.804 | 61.284 | 9.798 |
| 0.828 | 39.887 | 6.753 |
| 0.852 | 28.177 | 5.532 |
| 0.876 | 21.327 | 4.775 |
| 0.9 | 19.446 | 4.539 |
| 0.924 | 7.167 | 2.864 |
| 0.948 | 10.909 | 3.493 |
| 0.972 | 7.507 | 3.033 |
| 0.996 | 20.188 | 5.04 |
| 1.02 | 1.213 | 6.782 |
| 1.044 | 6.713 | 3.493 |
| 1.068 | 4.797 | 2.408 |
| 1.092 | 1.444 | 1.342 |
| 1.116 | 2.77 | 1.732 |
| 1.14 | 4.269 | 2.098 |
| 1.164 | 4.291 | 2.098 |
| 1.188 | 0.936 | 1.0 |