CLAS Physics Database

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Measurement E211M2

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Experiment: e2a, 2025

Spokespersons: Steven Dytman

Experiment comment: Beam energies: 2.261 and 4.461 GeV with helium, carbon, and iron targets. All targets had natural isotopic abundance, He (100%), C (98.9%) and Fe (91.8%).

Publication:

S. Dytman, M. Betancourt, N. Steinberg, Lawrence Weinstein, A. Ashkenazi, J. Tena-Vidal, A. Papadopoulou, G. Chambers-Wall, and J. Smith Proton Transparency and Neutrino Physics: New methods and Modeling //

Quantity measured: T, dimensionless
Transparency
Beam: e, polarization: none
Target: C (Z=6, A=0), polarization: none
Final state: ep/e, polarization: none

Observable quantity measured (Y axis): T, dimensionless
Plot measurement data

Parameter (X axis): P_p, GeV/c

Click here to get data in text file, delimited with tabs.

Measured data:

P_p, GeV/c	T, dimensionless	Stat. error, dimensionless
0.71	0.61	0.019
0.99	0.63	0.017
1.3	0.59	0.014
1.64	0.6	0.05