# First Measurement of $ν_μ$ Charged-Current $π^{0}$ Production on Argon with a LArTPC

Alrashed, M. and An, R. and Anthony, J. and Asaadi, J. and Ashkenazi, A. and Auger, M. and Balasubramanian, S. and Baller, B. and Barnes, C. and Barr, G. and Bass, M. and Bay, F. and Bhat, A. and Bhattacharya, K. and Bishai, M. and Blake, A. and Bolton, T. and Camilleri, L. and Caratelli, D. and Terrazas, I. Caro and Fernandez, R. Castillo and Cavanna, F. and Cerati, G. and Church, E. and Cianci, D. and Cohen, E. O. and Collin, G. H. and Conrad, J. M. and Convery, M. and Cooper-Troendle, L. and Crespo-Anadon, J. I. and Tutto, M. Del and Devitt, D. and Diaz, A. and Duffy, K. and Dytman, S. and Eberly, B. and Ereditato, A. and Sanchez, L. Escudero and Esquivel, J. and Fadeeva, A. A. and Fitzpatrick, R. S. and Fleming, B. T. and Franco, D. and Furmanski, A. P. and Garcia-Gamez, D. and Genty, V. and Lister, A. and Nowak, J. (2019) First Measurement of $ν_μ$ Charged-Current $π^{0}$ Production on Argon with a LArTPC. Physical Review D, 99 (9). ISSN 1550-7998

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MicroBooNE_CCPizero_Run1.pdf - Accepted Version
We report the first measurement of the flux-integrated cross section of $\nu_{\mu}$ charged-current single $\pi^{0}$ production on argon. This measurement is performed with the MicroBooNE detector, an 85 ton active mass liquid argon time projection chamber exposed to the Booster Neutrino Beam at Fermilab. This result on argon is compared to past measurements on lighter nuclei to investigate the scaling assumptions used in models of the production and transport of pions in neutrino-nucleus scattering. The techniques used are an important demonstration of the successful reconstruction and analysis of neutrino interactions producing electromagnetic final states using a liquid argon time projection chamber operating at the earth's surface.