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Measurement E216M934

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Experiment: CLAS12 Run Group A, 2018

Spokespersons: Krishna Chandra

No publications available for this experiment

Quantity measured: dσ/d(−cos(θ(π−))), mcbn/rad
Differential cross section, where cos(θ(π−) is cosine of the azimuthal angle of π− in CMS.
Beam: e, polarization: none
Target: p (Z=1, A=1), polarization: none
Final state: π+π−p, polarization: none

Q2 : 7 — 8 GeV2
W : 1.65 — 1.7 GeV

Observable quantity measured (Y axis): dσ/d(−cos(θ(π−))), mcbn/rad
Plot measurement data

Parameter (X axis): θ(π−), deg

Click here to get data in text file, delimited with tabs.

Measured data:

θ(π−),
deg
dσ/d(−cos(θ(π−))),
mcbn/rad
Stat. error,
mcbn/rad
Syst. error,
mcbn/rad
9 0.371185 0.0900906 0.06612403
27 0.242612 0.0475844 0.06910335
45 0.263073 0.0305637 0.03005845
63 0.22784 0.0229419 0.02064273
81 0.18883 0.0178667 0.01824819
99 0.126019 0.0120326 0.01448101
117 0.166337 0.016506 0.01828929
135 0.140668 0.018702 0.01710265
153 0.154581 0.0246068 0.01962211
171 0.178075 0.0330992 0.02782817