CLAS Physics Database

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Measurement E216M531

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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 : 4.2 — 5 GeV2
W : 1.5 — 1.55 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 0.257289 0.033462 0.06613379
27 0.402944 0.069818 0.06665171
45 0.425484 0.0526563 0.08582759
63 0.400232 0.0460175 0.05247641
81 0.528365 0.08945 0.05248946
99 0.460004 0.0289128 0.03956122
117 0.401724 0.142319 0.06608898
135 0.559576 0.0344644 0.06421926
153 0.617571 0.0419002 0.05820608
171 0.535286 0.0652152 0.05959303