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: C12 (Z=6, A=12), 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 | 1 | 1 |
| 0.15 | 0 | 1 |
| 0.162 | 0 | 1 |
| 0.174 | 0 | 1 |
| 0.186 | 1.1999999 | 1.7320508 |
| 0.198 | 3.4000001 | 2 |
| 0.21 | 0.3999999 | 2 |
| 0.222 | 3e-07 | 1.7320508 |
| 0.234 | 2.5999999 | 2.8284271 |
| 0.246 | 1e-07 | 2.236068 |
| 0.258 | 3e-07 | 1.4142135 |
| 0.27 | 3.5999999 | 3 |
| 0.282 | 0.3999996 | 3.6055512 |
| 0.294 | 8e-07 | 3.4641016 |
| 0.306 | 0.3999996 | 3.1622777 |
| 0.318 | 4.3999996 | 3.7416575 |
| 0.33 | 1.7999992 | 3.8729835 |
| 0.342 | 5.1999998 | 4 |
| 0.354 | 18 | 4.8989797 |
| 0.366 | 6 | 4.8989797 |
| 0.378 | 12.7999992 | 4.7958317 |
| 0.39 | 7.1999998 | 4.5825758 |
| 0.402 | 8 | 4.1231055 |
| 0.414 | 4.7999992 | 4.8989797 |
| 0.426 | 8.3999996 | 4.8989797 |
| 0.438 | 13.3999996 | 5.3851647 |
| 0.45 | 22.7999992 | 5.7445626 |
| 0.462 | 11.7999992 | 5.5677643 |
| 0.474 | 18 | 6.4807405 |
| 0.486 | 10.7999992 | 5.4772258 |
| 0.498 | 9.7999992 | 5.0990195 |
| 0.51 | 21.7999992 | 6.1644139 |
| 0.522 | 15.5999985 | 6 |
| 0.534 | 25 | 6.78233 |
| 0.546 | 12 | 5.7445626 |
| 0.558 | 20 | 6.4031243 |
| 0.57 | 27.7999992 | 6.6332498 |
| 0.582 | 30 | 6.7082038 |
| 0.594 | 18.7999992 | 5.91608 |
| 0.606 | 36.2000008 | 6.8556547 |
| 0.618 | 36.5999985 | 6.9282031 |
| 0.63 | 34.7999992 | 6.4807405 |
| 0.642 | 44 | 7.6811457 |
| 0.654 | 37.2000008 | 7.1414285 |
| 0.666 | 25.1999989 | 6.7082038 |
| 0.678 | 35.5999985 | 6.6332498 |
| 0.69 | 49.4000015 | 7.483315 |
| 0.702 | 46.2000008 | 7.5498343 |
| 0.714 | 55.7999992 | 8.1240387 |
| 0.726 | 63.4000015 | 8.3666 |
| 0.738 | 63.5999985 | 8.485281 |
| 0.75 | 56.2000008 | 8 |
| 0.762 | 77.8000031 | 9.2195444 |
| 0.774 | 137.1999969 | 11.9163752 |
| 0.786 | 161 | 12.9228477 |
| 0.798 | 73.4000015 | 8.7749643 |
| 0.81 | 22.5999985 | 5.5677643 |
| 0.822 | 26 | 5.3851647 |
| 0.834 | 19.6000004 | 5 |
| 0.846 | 16.7999992 | 4.5825758 |
| 0.858 | 13.7999992 | 4.2426405 |
| 0.87 | 13.6000004 | 4.3588991 |
| 0.882 | 9.1999998 | 3.7416575 |
| 0.894 | 7 | 3.1622777 |
| 0.906 | 13.6000004 | 4 |
| 0.918 | 2.7999997 | 2.6457512 |
| 0.93 | 5.4000001 | 2.4494898 |
| 0.942 | 9.6000004 | 3.4641016 |
| 0.954 | 2.5999999 | 2.236068 |
| 0.966 | 5.5999999 | 2.8284271 |
| 0.978 | 3.5999999 | 2.4494898 |
| 0.99 | 13 | 3.6055512 |
| 1.002 | 12.3999996 | 3.6055512 |
| 1.014 | 22.2000008 | 4.8989797 |
| 1.026 | 23.7999992 | 5 |
| 1.038 | 7.8000002 | 3 |
| 1.05 | 4.4000001 | 2.236068 |
| 1.062 | 0 | 1 |
| 1.074 | 5.8000002 | 2.6457512 |
| 1.086 | 0.1999999 | 1.4142135 |
| 1.098 | 1.5999999 | 2 |
| 1.11 | 2 | 1.4142135 |
| 1.122 | 1 | 1 |
| 1.134 | 1.4 | 1.4142135 |
| 1.146 | 3 | 1.7320508 |
| 1.158 | 1 | 1 |
| 1.17 | 3.4000001 | 2 |
| 1.182 | 0 | 1 |
| 1.194 | 1 | 1 |