CLAS Physics Database

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Measurement E216M134

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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+πp, polarization: none

Q2 : 2.4 — 3 GeV2
W : 1.4 — 1.45 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 1.07325 0.138546 0.1519869
27 0.910966 0.0622487 0.07272055
45 0.786384 0.0398208 0.0651166
63 0.82644 0.0357246 0.06494899
81 0.785603 0.0372632 0.06762865
99 0.771542 0.0417582 0.09516935
117 0.722733 0.0223356 0.17308508
135 0.588965 0.0344812 0.21310981
153 0.733779 0.00628119 0.38769908
171 0.948424 0.00292572 0.51203188