CLAS Physics Database

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Measurement E216M648

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

Q2 : 5 — 6 GeV2
W : 1.45 — 1.5 GeV

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

Parameter (X axis): θ(p), deg

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

Measured data:

θ(p),
deg
dσ/d(−cos(θ(p))),
mcbn/rad
Stat. error,
mcbn/rad
Syst. error,
mcbn/rad
9 0.201089 0.050918 0.0601843
27 0.1974 0.0225901 0.03896736
45 0.152594 0.0223118 0.02934271
63 0.178656 0.0190002 0.02800909
81 0.227932 0.0599211 0.0464379
99 0.268254 0.0420375 0.07515958
117 0.261725 0.0227384 0.02682451
135 0.319993 0.0241332 0.03096051
153 0.314983 0.0310463 0.03037669
171 0.389424 0.0715481 0.03792687