Performance evaluation of LHCf-ATLAS ZDC joint measurement using proton beam

M. Kondo, O. Adriani, E. Berti, P. Betti, L. Bonechi, M. Bongi, R. D’Alessandro, S. Detti, M. Haguenauer, Y. Itow, K. Kasahara, Y. Kitagami, Y. Matsubara, H. Menjo, Y. Muraki, K. Ohashi, P. Papini, G. Piparo, S. Ricciarini, T. Sako, N. Sakurai, M. Scaringella, Y. Shimizu, T. Tamura, A. Tiberio, S. Torii, A. Tricomi, W. Turner, K. Yoshida, Z. Citron, B. Cole, M. Grosse-Perdekamp, Chad Lantz, R. Longo, D. MacLean, Y. Moyal, S. Shenkar, P. Steinberg, L. Sudit, A. Tate
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引用次数: 1

Abstract

Measurements of forward neutrons in pp collisions will allow us to investigate π-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%.
质子束LHCf-ATLAS ZDC联合测量性能评价
对pp碰撞中正向中子的测量将使我们能够通过单介子交换过程来研究π-p截面,这对风淋室的发展具有重要意义。然而,这些测量的精度受到LHCf探测器能量分辨率的限制。为了改进它,计划与ATLAS ZDC进行联合测量。2021年,为了评估LHCf-Arm1和ZDC探测器在SPS下使用350 GeV质子束联合测量的性能,进行了束流测试。结合LHCf数据和ZDC数据,我们证实能量分辨率从约40%提高到21.4%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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