Measurements of forward neutrons in pp collisions will allow us to investigate pi-p cross-section via one-pion exchange process, which are important for air shower development. However, the precision of these measurements is limited by the energy resolution of the LHCf detectors. To improve it, a joint measurement with the ATLAS ZDC was planned. In 2021, a beam test was conducted to evaluate the performance of the joint measurement of the LHCf-Arm1 and ZDC detectors using proton beams of 350 GeV at SPS. Combining the LHCf data with the ZDC data, we confirmed that the energy resolution improved from about 40% to 21.4%.
Performance evaluation of LHCf-ATLAS ZDC joint measurement using proton beam / Kondo, M., Adriani, O., Berti, E., Betti, P., Bonechi, L., Bongi, M., D'Alessandro, R., Detti, S., Haguenauer, M., Itow, Y., Kasahara, K., Kitagami, Y., Matsubara, Y., Menjo, H., Muraki, Y., Ohashi, K., Papini, P., Piparo, G., Ricciarini, S., Sako, T., et al.. - In: EPJ WEB OF CONFERENCES. - ISSN 2100-014X. - ELETTRONICO. - 283:(2023), pp. 05012.1-05012.3. [10.1051/epjconf/202328305012]
Performance evaluation of LHCf-ATLAS ZDC joint measurement using proton beam
Adriani, O;Betti, P;Bongi, M;D'Alessandro, R;Tiberio, A;
2023
Abstract
Measurements of forward neutrons in pp collisions will allow us to investigate pi-p cross-section via one-pion exchange process, which are important for air shower development. However, the precision of these measurements is limited by the energy resolution of the LHCf detectors. To improve it, a joint measurement with the ATLAS ZDC was planned. In 2021, a beam test was conducted to evaluate the performance of the joint measurement of the LHCf-Arm1 and ZDC detectors using proton beams of 350 GeV at SPS. Combining the LHCf data with the ZDC data, we confirmed that the energy resolution improved from about 40% to 21.4%.
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