Nuclear Targets for a Precision Measurement of the Neutral Pion Radiative Width
P. Martel, E. Clinton, R. McWilliams, D. Lawrence, R. Miskimen, A., Ahmidouch, P. Ambrozewicz, A. Asratyan, K. Baker, L. Benton, A. Bernstein, P., Cole, P. Collins, D. Dale, S. Danagoulian, G. Davidenko, R. Demirchyan, A., Deur, A. Dolgolenko, G. Dzyubenko, A. Evdokimov, J. Feng
TL;DR
This paper introduces a precise method for measuring the density and thickness of nuclear targets, specifically carbon and lead, to improve the accuracy of neutral pion radiative width experiments at Jefferson Laboratory.
Contribution
It presents a novel technique for accurately determining target area densities, enhancing the precision of measurements in particle physics experiments.
Findings
Carbon target density measured with ±0.050% precision
Lead target density measured with ±0.43% precision
Method improves accuracy of neutral pion radiative width measurements
Abstract
A technique is presented for precision measurements of the area densities, density * T, of approximately 5% radiation length carbon and 208Pb targets used in an experiment at Jefferson Laboratory to measure the neutral pion radiative width. The precision obtained in the area density for the carbon target is +/- 0.050%, and that obtained for the lead target through an x-ray attenuation technique is +/- 0.43%.
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