CLAS Physics Database

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Measurement E216M215

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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 : 1.85 — 1.9 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 2.61236 0.0788073 0.28989816
27 2.37658 0.0501135 0.24011521
45 2.38861 0.0492332 0.2175538
63 2.24573 0.0402725 0.18770184
81 2.52815 0.0427069 0.1939182
99 2.4509 0.0376347 0.18369419
117 2.34643 0.0590788 0.20611563
135 2.1476 0.143721 0.22194295
153 1.60878 0.0756345 0.30187163
171 1.41068 0.0116288 0.83512197