1. Measurement of the π− -Ar total hadronic cross section at the LArIAT experiment
- Author
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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., Santos, M. V. dos, 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., Guzzo, M. Reggiani, Ross-Lonergan, M., Nunes, M. Soares, Schmitz, D. W., Segreto, E., Shooltz, D., Smith, D., Soderberg, M., Soubasis, B., Spagliardi, F., John, J. M. St., 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., and Zhu, J.
- Subjects
Physics::Instrumentation and Detectors ,Nuclear Theory ,High Energy Physics::Experiment ,Nuclear Experiment ,High Energy Physics - Experiment - Abstract
We present the first measurement of the negative pion total hadronic cross section on argon, which we performed at the Liquid Argon In A Testbeam (LArIAT) experiment. All hadronic reaction channels, as well as hadronic elastic interactions with scattering angle greater than 5~degrees are included. The pions have a kinetic energies in the range 100-700~MeV and 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 generally higher than the prediction, our measurement of the ($\pi^-$,Ar) total hadronic cross section is in agreement with the prediction of the Geant4 model when considering a model uncertainty of $\sim$5.1\%., Comment: 15 pages, 15 figures, 3 tables, accepted by PRD
- Published
- 2022
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