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Status and Prospects of the LHCf and RHICf experiments

Precise understanding of hadronic interactions at high energies is a key to improve mass composition measurements of very high energy cosmic-rays and to solve the muon excess issue observed in high energy cosmic-ray experiments using an air-shower technique. The LHCf and RHICf experiments measures t...

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Autores principales: Menjo, Hiroaki, Adriani, Oscar, Berti, Eugenio, Bonechi, Lorenzo, Bongi, Massimo, D'Alessandro, Raffaello, Castellini, Guido, Haguenauer, Maurice, Itow, Yoshitaka, Kasahara, Katsuaki, Kondo, Moe, Matsubara, Yutaka, Muraki, Yasushi, Ohashi, Ken, Papini, Paolo, Ricciarini, Sergio, Sako, Takashi, Sakurai, Nobuyuki, Sato, Kenta, Shimizu, Yuki, Tamura, Tadashi, Tiberio, Alessio, Torii, Shoji, Tricomi, Alessia, Turner, William C, Ueno, Mana, Yoshida, Kenji, Goto, Yuji, Hong, Byungsik, Kim, Minho H, Nakagawa, Itaru, Seidl, Ralf, Tanida, Kiyoshi
Lenguaje:eng
Publicado: SISSA 2022
Materias:
Acceso en línea:https://dx.doi.org/10.22323/1.395.0301
http://cds.cern.ch/record/2814825
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author Menjo, Hiroaki
Adriani, Oscar
Berti, Eugenio
Bonechi, Lorenzo
Bongi, Massimo
D'Alessandro, Raffaello
Castellini, Guido
Haguenauer, Maurice
Itow, Yoshitaka
Kasahara, Katsuaki
Kondo, Moe
Matsubara, Yutaka
Muraki, Yasushi
Ohashi, Ken
Papini, Paolo
Ricciarini, Sergio
Sako, Takashi
Sakurai, Nobuyuki
Sato, Kenta
Shimizu, Yuki
Tamura, Tadashi
Tiberio, Alessio
Torii, Shoji
Tricomi, Alessia
Turner, William C
Ueno, Mana
Yoshida, Kenji
Goto, Yuji
Hong, Byungsik
Kim, Minho H
Nakagawa, Itaru
Seidl, Ralf
Tanida, Kiyoshi
author_facet Menjo, Hiroaki
Adriani, Oscar
Berti, Eugenio
Bonechi, Lorenzo
Bongi, Massimo
D'Alessandro, Raffaello
Castellini, Guido
Haguenauer, Maurice
Itow, Yoshitaka
Kasahara, Katsuaki
Kondo, Moe
Matsubara, Yutaka
Muraki, Yasushi
Ohashi, Ken
Papini, Paolo
Ricciarini, Sergio
Sako, Takashi
Sakurai, Nobuyuki
Sato, Kenta
Shimizu, Yuki
Tamura, Tadashi
Tiberio, Alessio
Torii, Shoji
Tricomi, Alessia
Turner, William C
Ueno, Mana
Yoshida, Kenji
Goto, Yuji
Hong, Byungsik
Kim, Minho H
Nakagawa, Itaru
Seidl, Ralf
Tanida, Kiyoshi
author_sort Menjo, Hiroaki
collection CERN
description Precise understanding of hadronic interactions at high energies is a key to improve mass composition measurements of very high energy cosmic-rays and to solve the muon excess issue observed in high energy cosmic-ray experiments using an air-shower technique. The LHCf and RHICf experiments measures the differential production cross sections of very forward neutral particle as photons, neutral pions and neutrons at LHC and RHIC, respectively. These data are critically important to test and tune hadronic interaction models used for air-shower simulations. In this presentation, we introduce the recent results of both the experiments as well as our future operation plans. LHCf published an updated result of forward neutron measurement at pp, $\sqrt{s}$ = 13 TeV. From the observed neutron energy spectra, we also obtained the average inelasticity, which is one of the key parameters for air shower development, as 0.536 +0.031-0.037. In addition, several analysis are on-going; neutral pion measurement at pp, $\sqrt{s}$ = 13 TeV, central- forward correlation analysis with LHCf+ATLAS, photon measurement by RHICf. LHCf plans to have operations at $pp$ and $p$O during the LHC-Run3 period. At pp collisions, new silicon readout system will be introduced to improve the read-out speed, and 10 times more statistics of the previous operation in 2015 will be obtained. Thanks to high statistics, rare particles such as $\eta$, $K^0_s$ and $\Lambda$ will be addressed also. We also plan another operation at RHIC in 2024 with a new detector. The detector, a calorimeter composed of tungsten, Si pad and pixel layers, will have a much wider acceptance and higher sensitivity of $K^0_s$ measurement than the current detector.
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institution Organización Europea para la Investigación Nuclear
language eng
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publisher SISSA
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spelling cern-28148252022-07-21T13:26:46Zdoi:10.22323/1.395.0301http://cds.cern.ch/record/2814825engMenjo, HiroakiAdriani, OscarBerti, EugenioBonechi, LorenzoBongi, MassimoD'Alessandro, RaffaelloCastellini, GuidoHaguenauer, MauriceItow, YoshitakaKasahara, KatsuakiKondo, MoeMatsubara, YutakaMuraki, YasushiOhashi, KenPapini, PaoloRicciarini, SergioSako, TakashiSakurai, NobuyukiSato, KentaShimizu, YukiTamura, TadashiTiberio, AlessioTorii, ShojiTricomi, AlessiaTurner, William CUeno, ManaYoshida, KenjiGoto, YujiHong, ByungsikKim, Minho HNakagawa, ItaruSeidl, RalfTanida, KiyoshiStatus and Prospects of the LHCf and RHICf experimentsDetectors and Experimental TechniquesParticle Physics - ExperimentPrecise understanding of hadronic interactions at high energies is a key to improve mass composition measurements of very high energy cosmic-rays and to solve the muon excess issue observed in high energy cosmic-ray experiments using an air-shower technique. The LHCf and RHICf experiments measures the differential production cross sections of very forward neutral particle as photons, neutral pions and neutrons at LHC and RHIC, respectively. These data are critically important to test and tune hadronic interaction models used for air-shower simulations. In this presentation, we introduce the recent results of both the experiments as well as our future operation plans. LHCf published an updated result of forward neutron measurement at pp, $\sqrt{s}$ = 13 TeV. From the observed neutron energy spectra, we also obtained the average inelasticity, which is one of the key parameters for air shower development, as 0.536 +0.031-0.037. In addition, several analysis are on-going; neutral pion measurement at pp, $\sqrt{s}$ = 13 TeV, central- forward correlation analysis with LHCf+ATLAS, photon measurement by RHICf. LHCf plans to have operations at $pp$ and $p$O during the LHC-Run3 period. At pp collisions, new silicon readout system will be introduced to improve the read-out speed, and 10 times more statistics of the previous operation in 2015 will be obtained. Thanks to high statistics, rare particles such as $\eta$, $K^0_s$ and $\Lambda$ will be addressed also. We also plan another operation at RHIC in 2024 with a new detector. The detector, a calorimeter composed of tungsten, Si pad and pixel layers, will have a much wider acceptance and higher sensitivity of $K^0_s$ measurement than the current detector.SISSAoai:cds.cern.ch:28148252022
spellingShingle Detectors and Experimental Techniques
Particle Physics - Experiment
Menjo, Hiroaki
Adriani, Oscar
Berti, Eugenio
Bonechi, Lorenzo
Bongi, Massimo
D'Alessandro, Raffaello
Castellini, Guido
Haguenauer, Maurice
Itow, Yoshitaka
Kasahara, Katsuaki
Kondo, Moe
Matsubara, Yutaka
Muraki, Yasushi
Ohashi, Ken
Papini, Paolo
Ricciarini, Sergio
Sako, Takashi
Sakurai, Nobuyuki
Sato, Kenta
Shimizu, Yuki
Tamura, Tadashi
Tiberio, Alessio
Torii, Shoji
Tricomi, Alessia
Turner, William C
Ueno, Mana
Yoshida, Kenji
Goto, Yuji
Hong, Byungsik
Kim, Minho H
Nakagawa, Itaru
Seidl, Ralf
Tanida, Kiyoshi
Status and Prospects of the LHCf and RHICf experiments
title Status and Prospects of the LHCf and RHICf experiments
title_full Status and Prospects of the LHCf and RHICf experiments
title_fullStr Status and Prospects of the LHCf and RHICf experiments
title_full_unstemmed Status and Prospects of the LHCf and RHICf experiments
title_short Status and Prospects of the LHCf and RHICf experiments
title_sort status and prospects of the lhcf and rhicf experiments
topic Detectors and Experimental Techniques
Particle Physics - Experiment
url https://dx.doi.org/10.22323/1.395.0301
http://cds.cern.ch/record/2814825
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