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First Measurement of the Muon Neutrino Interaction Cross Section and Flux as a Function of Energy at the LHC with FASER / Mammen Abraham, Roshan (UC, Irvine) ; Ai, Xiaocong (Zhengzhou U.) ; Anders, John (CERN) ; Antel, Claire (U. Geneva (main)) ; Ariga, Akitaka (Bern U., LHEP ; Chiba U.) ; Ariga, Tomoko (Kyushu U., Fukuoka (main)) ; Atkinson, Jeremy (Bern U., LHEP) ; Bernlochner, Florian U. (U. Bonn (main)) ; Boeckh, Tobias (U. Bonn (main)) ; Boyd, Jamie (CERN) et al.
This letter presents the measurement of the energy-dependent neutrino-nucleon cross section in tungsten and the differential flux of muon neutrinos and anti-neutrinos. The analysis is performed using proton-proton collision data at a center-of-mass energy of 13.6 TeV and corresponding to an integrated luminosity of (65.6 ± 1.4) fb−1. [...]
arXiv:2412.03186; CERN-EP-2024-309.- Geneva : CERN, 2024 - 15 p. Draft (restricted): PDF; Fulltext: CERN-EP-2024-309 - PDF; 2412.03186 - PDF;

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Shining Light on the Dark Sector - Searches for Axion-like Particles and Other New Physics in Photonic Final States with FASER / FASER Collaboration
The first FASER search for a light, long-lived particle decaying into a pair of photons is reported. [...]
arXiv:2410.10363 ; CERN-EP-2024-262. - 2024 - 37.
Full text - Draft (restricted) - Fulltext

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First measurement of the $\nu_e$ and $\nu_\mu$ interaction cross sections at the LHC with FASER’s emulsion detector / FASER Collaboration
This paper presents the first results of the study of high-energy electron and muon neutrino charged-current interactions in the FASER$\nu$ emulsion/tungsten detector of the FASER experiment at the LHC. A subset of the FASER$\nu$ volume, which corresponds to a target mass of 128.6~kg, was exposed to neutrinos from the LHC $pp$ collisions with a centre-of-mass energy of 13.6~TeV and an integrated luminosity of 9.5 fb$^{-1}$. [...]
arXiv:2403.12520; CERN-EP-2024-079.- Geneva : CERN, 2024-07-11 - 12 p. - Published in : Phys. Rev. Lett. 133 (2024) 021802 Draft (restricted): PDF; Fulltext: CERN-EP-2024-079 - PDF; 2403.12520 - PDF; Publication - PDF;

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Neutrino Rate Predictions for FASER / FASER Collaboration
The Forward Search Experiment (FASER) at CERN's Large Hadron Collider (LHC) has recently directly detected the first collider neutrinos. Neutrinos play an important role in all FASER analyses, either as signal or background, and it is therefore essential to understand the neutrino event rates. [...]
arXiv:2402.13318.- 2024-07-01 - 19 p. - Published in : Phys. Rev. D 110 (2024) 012009 Fulltext: PDF;

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Prospects of the LHCf operation in 2022 / Ohashi, Ken (Nagoya U., ISEE) /LHCf Collaboration
The Large Hadron Collider forward (LHCf) experiment measures forward neutral particles to improve hadronic interaction models adopted in cosmic-ray air shower simulations. In September 2022, we plan to perform data-taking on proton–proton collisions. [...]
2023 - 5 p. - Published in : PoS LHCP2022 (2023) 354 Fulltext: PDF;
In : 10th Annual Large Hadron Collider Physics (LHCP2022), Online, 16 - 20 May 2022, pp.354

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Search for dark photons with the FASER detector at the LHC / FASER collaboration
The FASER experiment at the LHC is designed to search for light, weakly-interacting particles produced in proton-proton collisions at the ATLAS interaction point that travel in the far-forward direction. The first results from a search for dark photons decaying to an electron-positron pair, using a dataset corresponding to an integrated luminosity of $27.0~\mathrm{fb}^{-1}$ collected at center-of-mass energy $\sqrt{s} = 13.6$ TeV in 2022 in LHC Run 3, are presented. [...]
arXiv:2308.05587; CERN-EP-2023-161.- 2023-12-07 - 10 p. - Published in : Phys. Lett. B 848 (2024) 138378 Fulltext: DarkPhoton_PLB_Final - PDF; 2308.05587 - PDF; Publication - PDF;

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Results from the LHCf Run II in proton-proton collisions at $\sqrt{s}$ = 13 TeV / Tiberio, Alessio (INFN, Florence) ; Adriani, Oscar (INFN, Florence ; Florence U.) ; Berti, Eugenio (INFN, Florence ; Florence U.) ; Bonechi, Lorenzo (INFN, Florence) ; Bongi, Massimo (INFN, Florence ; Florence U.) ; D'Alessandro, Raffaello (INFN, Florence ; Florence U.) ; Castellini, Guido (IFAC, Florence) ; Haguenauer, Maurice (Ec. Polytech., Palaiseau (main)) ; Itow, Yoshitaka (Nagoya U., ISEE ; Nagoya U. (main)) ; Kasahara, Katsuaki (Shibaura Inst. Tech.) et al.
The LHCf experiment, at the Large Hadron Collider (LHC), consists of two small independent calorimeters placed 140 metres away, on opposite sides of the ATLAS interaction point (IP1). LHCf has the capability to measure zero-degree neutral particles, covering the pseudorapidity region above 8.4. [...]
2022 - 6 p. - Published in : PoS EPS-HEP2021 (2022) 105 Fulltext: PDF;
In : European Physics Society conference on High Energy Physics 2021, Online, Online, 26 - 30 Jul 2021, pp.105

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A simulation study for one-pion exchange contribution on very forward neutron productions in ATLAS-LHCf common events / Ohashi, Ken (Nagoya U., ISEE) ; Menjo, Hiroaki (Nagoya U., ISEE) ; Itow, Yoshitaka (Nagoya U., ISEE ; KMI, Nagoya) ; Sako, Takashi (Tokyo U., ICRR)
Interpretations of the mass composition of ultra-high energy cosmic rays are unclear owing to uncertainties in the hadronic interaction models. Therefore, validations of hadronic interaction models via experiments are required. [...]
SISSA, 2022 - 8 p. - Published in : PoS ICRC2021 (2022) 190 Fulltext: PDF;
In : 37th International Cosmic Ray Conference (ICRC 2021), Berlin, Germany, 15 - 22 Jul 2021, pp.190

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LHCf plan for proton-oxygen collisions at LHC / LHCf Collaboration
The LHCf experiment is designed to provide precise measurements of very forward neutral particle production from high energy proton-proton, proton-ion and ion-ion collisions. This information is necessary to test and tune hadronic interaction models used by ground-based cosmic rays experiments to extract the average composition of Ultra High Energy Cosmic Rays. [...]
SISSA, 2022 - 9 p. - Published in : PoS ICRC2021 (2022) 348 Fulltext: PDF;
In : 37th International Cosmic Ray Conference (ICRC 2021), Berlin, Germany, 15 - 22 Jul 2021, pp.348

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10.

Status and Prospects of the LHCf and RHICf experiments / LHCf Collaboration
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. [...]
SISSA, 2022 - 9 p. - Published in : PoS ICRC2021 (2022) 301 Fulltext: PDF;
In : 37th International Cosmic Ray Conference (ICRC 2021), Berlin, Germany, 15 - 22 Jul 2021, pp.301

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Vedi anche: autori con nomi simili
40	Ohashi, K
3	Ohashi, K.
1	Ohashi, Kaoru
30	Ohashi, Keisuke
1	Ohashi, Kenjiro

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