CLAS Physics Database

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Measurement E216M791

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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 : 6 — 7 GeV2
W : 1.55 — 1.6 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 0.226136 0.0408712 0.02227041
27 0.169785 0.0203219 0.01499199
45 0.172838 0.0152655 0.01348249
63 0.163225 0.0134402 0.01309337
81 0.186643 0.015242 0.01447354
99 0.158094 0.0190896 0.0163181
117 0.19127 0.0270848 0.01791401
135 0.145619 0.0180021 0.03101326
153 0.105124 0.0123041 0.05830432
171 0.150622 0.00013553 0.09509325