Measurement of ${\sigma }_{\mathrm{ABS}}$ and ${\sigma }_{\mathrm{CX}}$ of ${\pi }^{+}$ on carbon by DUET

Abstract

The DUET Collaboration reports on the measurements of the absorption (${\sigma }_{\mathrm{ABS}}$) and charge exchange (${\sigma }_{\mathrm{CX}}$) cross sections of positively charged pions on carbon nuclei for the momentum range 201.6 MeV$/c$ to 295.1 MeV$/c$. The uncertainties on the absorption and charge exchange cross sections are $\sim$9.5\% and $\sim$18\%, respectively. The results are in good agreement with previous experiments. A covariance matrix correlating the 5 ${\sigma }_{\mathrm{ABS}}$ and 5 ${\sigma }_{\mathrm{CX}}$ measured data points is also reported

arXiv comment11 pages, 15 figures. To be submitted to PRC

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