First Measurement of Energy-dependent Inclusive Muon Neutrino Charged-Current Cross Sections on Argon with the MicroBooNE Detector

, MicroBooNE Collaboration and Abratenko, P. and An, R. and Anthony, J. and Arellano, L. and Asaadi, J. and Ashkenazi, A. and Balasubramanian, S. and Baller, B. and Barr, G. and Basque, V. and Bathe-Peters, L. and Rodrigues, O. Benevides and Berkman, S. and Bhanderi, A. and Bhat, A. and Bishai, M. and Blake, A. and Bolton, T. and Book, J. Y. and Camilleri, L. and Caratelli, D. and Terrazas, I. Caro and Fernandez, R. Castillo and Cavanna, F. and Cerati, G. and Cianci, D. and Conrad, J. M. and Convery, M. and Cooper-Troendle, L. and Crespo-Anadon, J. I. and Tutto, M. Del and Dennis, S. R. and Detje, P. and Devitt, A. and Diurba, R. and Dorrill, R. and Duffy, K. and Dytman, S. and Eberly, B. and Ereditato, A. and Fine, R. and Aguirre, G. A. Fiorentini and Fitzpatrick, R. S. and Fleming, B. T. and Foppiani, N. and Franco, D. and Devitt, Alesha and Nowak, J. and Patel, N. and Thorpe, C. (2022) First Measurement of Energy-dependent Inclusive Muon Neutrino Charged-Current Cross Sections on Argon with the MicroBooNE Detector. Physical review letters, 128 (15). ISSN 1079-7114

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We report a measurement of the energy-dependent total charged-current cross section $\sigma\left(E_\nu\right)$ for inclusive muon neutrinos scattering on argon, as well as measurements of flux-averaged differential cross sections as a function of muon energy and hadronic energy transfer ($\nu$). Data corresponding to 5.3$\times$10$^{19}$ protons on target of exposure were collected using the MicroBooNE liquid argon time projection chamber located in the Fermilab Booster Neutrino Beam with a mean neutrino energy of approximately 0.8~GeV. The mapping between the true neutrino energy $E_\nu$ and reconstructed neutrino energy $E^{rec}_\nu$ and between the energy transfer $\nu$ and reconstructed hadronic energy $E^{rec}_{had}$ are validated by comparing the data and Monte Carlo (MC) predictions. In particular, the modeling of the missing hadronic energy and its associated uncertainties are verified by a new method that compares the $E^{rec}_{had}$ distributions between data and an MC prediction after constraining the reconstructed muon kinematic distributions, energy and polar angle, to those of data. The success of this validation gives confidence that the missing energy in the MicroBooNE detector is well-modeled and underpins first-time measurements of both the total cross section $\sigma\left(E_\nu\right)$ and the differential cross section $d\sigma/d\nu$ on argon.

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Journal Article
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Physical review letters
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© 2022 American Physical Society
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22 Mar 2022 09:20
Last Modified:
21 May 2022 00:49