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arxiv: 2205.07943 · v3 · pith:AGNFUTNAnew · submitted 2022-05-16 · ✦ hep-ex

Measurement of neutral current single π⁰ production on argon with the MicroBooNE detector

MicroBooNE collaboration: P. Abratenko , J. Anthony , L. Arellano , J. Asaadi , A. Ashkenazi , S. Balasubramanian , B. Baller , C. Barnes
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G. Barr J. Barrow V. Basque L. Bathe-Peters O. Benevides Rodrigues S. Berkman A. Bhanderi A. Bhat M. Bhattacharya M. Bishai A. Blake T. Bolton J. Y. Book L. Camilleri D. Caratelli I. Caro Terrazas F. Cavanna G. Cerati Y. Chen D. Cianci J. M. Conrad M. Convery L. Cooper-Troendle J. I. Crespo-Anadon M. Del Tutto S. R. Dennis P. Detje A. Devitt R. Diurba R. Dorrill K. Duffy S. Dytman B. Eberly A. Ereditato J. J. Evans R. Fine O. G. Finnerud G. A. Fiorentini Aguirre R. S. Fitzpatrick B. T. Fleming N. Foppiani D. Franco A. P. Furmanski D. Garcia-Gamez S. Gardiner G. Ge S. Gollapinni O. Goodwin E. Gramellini P. Green H. Greenlee W. Gu R. Guenette P. Guzowski L. Hagaman O. Hen R. Hicks C. Hilgenberg G. A. Horton-Smith R. Itay C. James X. Ji L. Jiang J. H. Jo R. A. Johnson Y. J. Jwa D. Kalra N. Kamp N. Kaneshige G. Karagiorgi W. Ketchum M. Kirby T. Kobilarcik I. Kreslo M. B. Leibovitch I. Lepetic J.-Y. Li K. Li Y. Li K. Lin B. R. Littlejohn W. C. Louis X. Luo K. Manivannan C. Mariani D. Marsden J. Marshall D. A. Martinez Caicedo K. Mason A. Mastbaum N. McConkey V. Meddage T. Mettler K. Miller J. Mills K. Mistry T. Mohayai A. Mogan M. Mooney A. F. Moor C. D. Moore L. Mora Lepin J. Mousseau S. Mulleria Babu D. Naples A. Navrer-Agasson N. Nayak M. Nebot-Guinot R. K. Neely D. A. Newmark J. Nowak M. Nunes N. Oza O. Palamara V. Paolone A. Papadopoulou V. Papavassiliou H. Parkinson S. F. Pate N. Patel A. Paudel Z. Pavlovic E. Piasetzky I. Ponce-Pinto S. Prince X. Qian J.L. Raaf V. Radeka A. Rafique M. Reggiani-Guzzo L. Ren L. C. J. Rice L. Rochester J. Rodriguez Rondon M. Rosenberg M. Ross-Lonergan C. Rudolph von Rohr G. Scanavini D. W. Schmitz A. Schukraft W. Seligman M. H. Shaevitz R. Sharankova J. Shi J. Sinclair A. Smith E.L. Snider M. Soderberg S. Soldner-Rembold P. Spentzouris J. Spitz M. Stancari J. St. John T. Strauss K. Sutton S. Sword-Fehlberg A. M. Szelc W. Tang N. Taniuchi K. Terao C.Thorpe D. Torbunov D. Totani M. Toups Y. -T. Tsai M. A. Uchida T. Usher B. Viren M. Weber H. Wei A. J. White Z. Williams S. Wolbers T. Wongjirad M. Wospakrik K. Wresilo N. Wright W. Wu E. Yandel T. Yang G. Yarbrough L. E. Yates H. W. Yu G. P. Zeller J. Zennamo C. Zhang
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classification ✦ hep-ex
keywords exclusiveargonmeasurementneutrinotextsctopologycurrentdetector
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We report the first measurement of $\pi^0$ production in neutral current (NC) interactions on argon with average neutrino energy of $\lesssim1$~GeV. We use data from the MicroBooNE detector's 85-tonne active volume liquid argon time projection chamber situated in Fermilab's Booster Neutrino Beam and exposed to $5.89\times10^{20}$ protons on target for this measurement. Measurements of NC $\pi^0$ events are reported for two exclusive event topologies without charged pions. Those include a topology with two photons from the decay of the $\pi^0$ and one proton and a topology with two photons and zero protons. Flux-averaged cross-sections for each exclusive topology and for their semi-inclusive combination are extracted (efficiency-correcting for two-plus proton final states), and the results are compared to predictions from the \textsc{genie}, \textsc{neut}, and \textsc{NuWro} neutrino event generators. We measure cross sections of $1.243\pm0.185$ (syst) $\pm0.076$ (stat), $0.444\pm0.098\pm0.047$, and $0.624\pm0.131\pm0.075$ $[10^{-38}\textrm{cm}^2/\textrm{Ar}]$ for the semi-inclusive NC$\pi^0$, exclusive NC$\pi^0$+1p, and exclusive NC$\pi^0$+0p processes, respectively.

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