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Measurement of the pi(-)-Ar total hadronic cross section at the LArIAT experiment

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Gramellini, E. ; Ho, J. ; Acciarri, R. ; Adams, C. ; Asaadi, J. ; Backfish, M. ; Badgett, W. ; Baller, B. ; Basque, V ; Rodrigues, O. Benevides ; Blaszczyk, F. D. M. ; Bouabid, R. ; Bromberg, C. ; Carey, R. ; Fernandez, R. Castillo ; Cavanna, F. ; Aleman, J. I. Cevallos ; Chatterjee, A. ; Dedin, P. ; dos Santos, M., V ; Edmunds, D. ; Escobar, C. ; Esquivel, J. ; Evans, J. J. ; Falcone, A. ; Flanagan, W. ; Fleming, B. T. ; Foreman, W. ; Garcia-Gamez, D. ; Gastler, D. ; Ghosh, T. ; Gomes, R. A. ; Gran, R. ; Gratieri, D. R. ; Guzowski, P. ; Hahn, A. ; Hamilton, P. ; Hill, C. ; Holin, A. ; Hugon, J. ; Iwai, E. ; Jensen, D. ; Johnson, R. A. ; Kawai, H. ; Kearns, E. ; Kemp, E. ; Kirby, M. ; Kobilarcik, T. ; Kordosky, M. ; Kryczynski, P. ; Lang, K. ; Linehan, R. ; Lockwitz, S. ; Luo, X. ; Machado, A. A. B. ; Marchionni, A. ; Maruyama, T. ; Santos, L. Mendes ; Metcalf, W. ; Moura, C. A. ; Nichol, R. ; Nutini, I ; Olivier, A. ; Palamara, O. ; Paley, J. ; Parmaksiz, I ; Gelli, B. Passarelli ; Paulucci, L. ; Phan, D. ; Pulliam, G. ; Raaf, J. L. ; Rebel, B. ; Reggiani Guzzo, M. ; Ross-Lonergan, M. ; Schmitz, D. W. ; Segreto, E. ; Shooltz, D. ; Smith, D. ; Soares Nunes, M. ; Soderberg, M. ; Soubasis, B. ; Spagliardi, F. ; St John, J. M. ; Stancari, M. ; Stefan, D. ; Stephens, M. ; Sulej, R. ; Szelc, A. M. ; Tabata, M. ; Totani, D. ; Tzanov, M. ; Walker, D. ; Wenzel, H. ; Williams, Z. ; Yang, T. ; Yu, J. ; Zhang, S. ; Zhu, J. ; LArIAT Collaboration
Número total de Autores: 99
Tipo de documento: Artigo Científico
Fonte: PHYSICAL REVIEW D; v. 106, n. 5, p. 16-pg., 2022-09-22.
Resumo

We present the first measurement of the negative pion total hadronic cross section on argon in a restricted phase space, which we performed at the Liquid Argon In ATestbeam (LArIAT) experiment. All hadronic reaction channels, as well as hadronic elastic interactions with scattering angle greater than 5 degrees are included. The pions have kinetic energies in the range 100-700 MeVand are produced by a beam of charged particles impinging on a solid target at the Fermilab test beam facility. LArIAT employs a 0.24 ton active mass liquid argon time projection chamber (LArTPC) to measure the pion hadronic interactions. For this measurement, LArIAT has developed the "thin slice method," a new technique to measure cross sections with LArTPCs. While moderately higher, our measurement of the pi(-)-Ar total hadronic cross section is generally in agreement with the GEANT4 prediction. (AU)

Processo FAPESP: 16/22738-0 - Desenvolvimento de detectores de argônio líquido para física de neutrinos
Beneficiário:Ernesto Kemp
Modalidade de apoio: Bolsas no Exterior - Pesquisa