Parameter (X axis): M(e+,e−), GeV
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Experiment: g7a: Search for medium modification of light vector mesons off nuclei, 2007
Spokespersons: D. Weygand, C. Djalali, M. Kossov
Publication:
Quantity measured: dY/dM(e+, e−), counts/12MeV
Differential yield, where M(e+,e−) is invariant mass of e+ and e−.
Beam: γ, polarization: none
Target: Fe56 (Z=26, A=56), polarization: none
Final state: ρ + X, polarization: none
| Eγ : | 0 — 3.8 GeV | |
|---|---|---|
| Ebeam : | 4 GeV |
|
Observable quantity measured (Y axis): dY/dM(e+, e−), counts/12MeV
Parameter (X axis): M(e+,e−), GeV |
Click here to get data in text file, delimited with tabs.
Measured data:
|
M(e+,e−),
GeV |
dY/dM(e+, e−),
counts/12MeV |
Data errors,
counts/12MeV |
|---|---|---|
| 0.006 | 0 | 1 |
| 0.018 | 0 | 1 |
| 0.03 | 0 | 1 |
| 0.042 | 0 | 1 |
| 0.054 | 0 | 1 |
| 0.066 | 0 | 1 |
| 0.078 | 0 | 1 |
| 0.09 | 0 | 1 |
| 0.102 | 0 | 1 |
| 0.114 | 0 | 1 |
| 0.126 | 0 | 1 |
| 0.138 | 0 | 1 |
| 0.15 | 0 | 1 |
| 0.162 | 0 | 1 |
| 0.174 | 0 | 1 |
| 0.186 | 0 | 1 |
| 0.198 | 1.6 | 1.4142135 |
| 0.21 | 0 | 1 |
| 0.222 | 0 | 1 |
| 0.234 | 0 | 1 |
| 0.246 | 0.3999999 | 2 |
| 0.258 | 3.2 | 2.4494898 |
| 0.27 | 0 | 1.4142135 |
| 0.282 | 0 | 1.7320508 |
| 0.294 | 0 | 2.236068 |
| 0.306 | 0 | 2.236068 |
| 0.318 | 2.5999999 | 3 |
| 0.33 | 3.1999998 | 3.4641016 |
| 0.342 | 0 | 2 |
| 0.354 | 4 | 2.8284271 |
| 0.366 | 0 | 3 |
| 0.378 | 0 | 2.236068 |
| 0.39 | 1.8000002 | 3.3166249 |
| 0.402 | 7 | 3.6055512 |
| 0.414 | 0 | 3 |
| 0.426 | 7.5999994 | 4.2426405 |
| 0.438 | 6.5999994 | 4.1231055 |
| 0.45 | 14.1999998 | 4.5825758 |
| 0.462 | 5.1999998 | 4.2426405 |
| 0.474 | 3 | 4.3588991 |
| 0.486 | 13.1999998 | 5.0990195 |
| 0.498 | 16.2000008 | 5.1961522 |
| 0.51 | 23.2000008 | 5.8309517 |
| 0.522 | 14.3999996 | 5.2915025 |
| 0.534 | 15 | 5.3851647 |
| 0.546 | 16 | 5.4772258 |
| 0.558 | 16 | 5.4772258 |
| 0.57 | 9.1999998 | 4.472136 |
| 0.582 | 20 | 5.4772258 |
| 0.594 | 26.2000008 | 6.0827627 |
| 0.606 | 28.7999992 | 6 |
| 0.618 | 18.3999996 | 5.0990195 |
| 0.63 | 27.2000008 | 5.6568542 |
| 0.642 | 15 | 5 |
| 0.654 | 20.7999992 | 5.4772258 |
| 0.666 | 24.7999992 | 6.1644139 |
| 0.678 | 24.3999996 | 5.4772258 |
| 0.69 | 36.5999985 | 6.4031243 |
| 0.702 | 38.7999992 | 6.78233 |
| 0.714 | 23.2000008 | 5.4772258 |
| 0.726 | 52.5999985 | 7.5498343 |
| 0.738 | 40.4000015 | 6.78233 |
| 0.75 | 36.7999992 | 6.4807405 |
| 0.762 | 47.2000008 | 7.2111025 |
| 0.774 | 84.8000031 | 9.3808317 |
| 0.786 | 96 | 10 |
| 0.798 | 37.5999985 | 6.3245554 |
| 0.81 | 20.3999996 | 5.0990195 |
| 0.822 | 23 | 5 |
| 0.834 | 11.3999996 | 3.8729835 |
| 0.846 | 11.1999998 | 3.7416575 |
| 0.858 | 16.2000008 | 4.3588991 |
| 0.87 | 6.3999996 | 3.1622777 |
| 0.882 | 19.7999992 | 4.7958317 |
| 0.894 | 5 | 2.6457512 |
| 0.906 | 6.4000001 | 2.8284271 |
| 0.918 | 7.1999998 | 3.1622777 |
| 0.93 | 12.6000004 | 3.6055512 |
| 0.942 | 5.4000001 | 2.6457512 |
| 0.954 | 9.3999996 | 3.3166249 |
| 0.966 | 5.4000001 | 2.6457512 |
| 0.978 | 0.4 | 1.4142135 |
| 0.99 | 5 | 2.236068 |
| 1.002 | 18.6000004 | 4.3588991 |
| 1.014 | 13.8000002 | 3.8729835 |
| 1.026 | 10.1999998 | 3.3166249 |
| 1.038 | 7.1999998 | 2.8284271 |
| 1.05 | 3.5999999 | 2 |
| 1.062 | 5.1999998 | 2.4494898 |
| 1.074 | 6.1999998 | 2.6457512 |
| 1.086 | 0.8 | 1.4142135 |
| 1.098 | 2.4000001 | 2 |
| 1.11 | 1 | 1 |
| 1.122 | 3 | 1.7320508 |
| 1.134 | 2.5999999 | 1.7320508 |
| 1.146 | 2 | 1.4142135 |
| 1.158 | 2 | 1.4142135 |
| 1.17 | 0.6 | 1 |
| 1.182 | 1.2 | 1.4142135 |
| 1.194 | 3 | 1.7320508 |