CLAS Physics Database

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Measurement E216M567

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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 : 1.7 — 1.75 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 0.780918 0.0865229 0.14243917
27 0.707385 0.0457457 0.09056554
45 0.74495 0.0526039 0.08967305
63 0.905832 0.0613228 0.15002881
81 1.06541 0.0577306 0.10498483
99 1.10364 0.0344121 0.08548718
117 1.06485 0.0455412 0.08265601
135 0.909451 0.0350742 0.07253094
153 0.812305 0.051611 0.0756557
171 0.820692 0.0627498 0.07151086