CLAS Physics Database

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Measurement E216M241

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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 : 2.4 — 3 GeV2
W : 2 — 2.05 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 3.44445 0.499742 1.25818301
27 3.37554 0.22242 0.36333779
45 2.35585 0.0626233 0.19032571
63 2.07801 0.0716774 0.152329
81 1.74826 0.0322523 0.13312153
99 1.54632 0.0349808 0.11650851
117 1.40966 0.0326176 0.10544151
135 1.39341 0.0282712 0.11655894
153 1.75336 0.105977 0.19504836
171 2.26529 0.0852949 0.45534206