CLAS Physics Database

Measurement E103M3

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/dM(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)

Measurement data
M(e+,e), [GeV] dY/dM(e+, e), [counts/12MeV] uncertainty
0.006 0.0 1.0
0.018 0.0 1.0
0.03 0.0 1.0
0.042 0.0 1.0
0.054 0.0 1.0
0.066 0.0 1.0
0.078 0.0 1.0
0.09 0.0 1.0
0.102 0.0 1.0
0.114 0.0 1.0
0.126 0.0 1.0
0.138 0.0 1.0
0.15 0.0 1.0
0.162 0.0 1.0
0.174 0.0 1.0
0.186 0.0 1.0
0.198 1.6 1.4142135
0.21 0.0 1.0
0.222 0.0 1.0
0.234 0.0 1.0
0.246 0.3999999 2.0
0.258 3.2 2.4494898
0.27 0.0 1.4142135
0.282 0.0 1.7320508
0.294 0.0 2.236068
0.306 0.0 2.236068
0.318 2.5999999 3.0
0.33 3.1999998 3.4641016
0.342 0.0 2.0
0.354 4.0 2.8284271
0.366 0.0 3.0
0.378 0.0 2.236068
0.39 1.8000002 3.3166249
0.402 7.0 3.6055512
0.414 0.0 3.0
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 3.0 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 15.0 5.3851647
0.546 16.0 5.4772258
0.558 16.0 5.4772258
0.57 9.1999998 4.472136
0.582 20.0 5.4772258
0.594 26.2000008 6.0827627
0.606 28.7999992 6.0
0.618 18.3999996 5.0990195
0.63 27.2000008 5.6568542
0.642 15.0 5.0
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 96.0 10.0
0.798 37.5999985 6.3245554
0.81 20.3999996 5.0990195
0.822 23.0 5.0
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 5.0 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 5.0 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 2.0
1.062 5.1999998 2.4494898
1.074 6.1999998 2.6457512
1.086 0.8 1.4142135
1.098 2.4000001 2.0
1.11 1.0 1.0
1.122 3.0 1.7320508
1.134 2.5999999 1.7320508
1.146 2.0 1.4142135
1.158 2.0 1.4142135
1.17 0.6 1.0
1.182 1.2 1.4142135
1.194 3.0 1.7320508