CLAS Physics Database

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Measurement E216M252

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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 : 2.4 — 3 GeV2
W : 2.05 — 2.1 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 1.72992 0.120373 0.28259718
27 1.74817 0.106677 0.21632125
45 1.23248 0.0384687 0.11076515
63 1.09513 0.0308672 0.09095685
81 1.37129 0.0939862 0.13665178
99 1.67626 0.0398208 0.13076592
117 1.86604 0.0437865 0.14188881
135 2.25656 0.0513378 0.17593176
153 3.5702 0.06636 0.27644578
171 5.10958 0.183207 0.41089201