CLAS Physics Database

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Measurement E216M907

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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 : 1.5 — 1.55 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 0.0787133 0.0316618 0.01724823
27 0.111832 0.0271188 0.01829307
45 0.12217 0.0216283 0.01890606
63 0.113022 0.0186306 0.01196911
81 0.0957698 0.0155547 0.01067642
99 0.0860276 0.0126116 0.01138611
117 0.0986641 0.0145653 0.01331089
135 0.0958339 0.0179901 0.01235335
153 0.132404 0.0257881 0.02047728
171 0.135788 0.0349189 0.02779714