CLAS Physics Database

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Measurement E216M306

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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 : 3 — 3.5 GeV2
W : 1.65 — 1.7 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 1.12904 0.101006 0.34404373
27 1.18467 0.101451 0.17690912
45 1.16877 0.0585167 0.14243915
63 1.27158 0.097076 0.14322935
81 1.53544 0.105358 0.12926767
99 1.88479 0.307228 0.27363265
117 1.69037 0.0422473 0.13485613
135 1.61772 0.0452002 0.28779791
153 1.68374 0.0604238 0.15116425
171 1.76464 0.0938582 0.14002131