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An integrated flux-symmetric spectrometer-magnet system for the SND@LHC experiment upgrade
/ SND@LHC Collaboration
The proposed upgrade of the SND@LHC experiment for the High Luminosity phase of the LHC (HL-LHC) will strongly benefit from the presence of a magnetized region, allowing for muon momentum and chargemeasurement. In this paper we describe an iron core magnet system that is partly integrated with the calorimeter and that is designed to respect the strict constraints from the available space in the experimental cavern, power consumption, and field requirements.Semi-analytical tools are introduced to explore the parameter space, in order to define the primary design options. [...]
2024 - 26 p.
- Published in : JINST 19 (2024) P12002
Fulltext: PDF;
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Observation of collider neutrinos without final state muons with the SND@LHC experiment
/ Abbaneo, D. (CERN) ; Ahmad, S. (PINSTECH, Islamabad) ; Albanese, R. (INFN, Naples ; Naples U.) ; Alexandrov, A. (INFN, Naples ; Naples U.) ; Alicante, F. (INFN, Naples ; Naples U.) ; Androsov, K. (Ecole Polytechnique, Lausanne) ; Anokhina, A. ; Asada, T. (INFN, Naples ; Naples U.) ; Asawatangtrakuldee, C. (Chulalongkorn U.) ; Ayala Torres, M.A. (Andres Bello Natl. U.) et al.
/SND@LHC
We report the observation of neutrino interactions without final state muons at the LHC, with a significance of 6.4\,$\sigma$. A data set of proton-proton collisions at $\sqrt{s}= 13.6$\,TeV collected by \SND in 2022 and 2023 is used, corresponding to an integrated luminosity of 68.6\,fb$^{-1}$. [...]
arXiv:2411.18787; CERN-EP-2024-316.-
Geneva : CERN, 2024 - 7 p.
Draft (restricted): PDF; Fulltext: Observation_of_electron_neutrino_or_neutral_current_collider_events - PDF; CERN-EP-2024-316 - PDF; 2411.18787 - PDF;
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LHC Triplet Task Force Report
/ Arduini, Gianluigi (CERN) ; Bradu, Benjamin (CERN) ; Brodzinski, Krzysztof (CERN) ; Bruce, Roderik (CERN) ; Cerutti, Francesco (CERN) ; Ciccotelli, Alessia (University of Manchester (GB)) ; Deferne, Guy (CERN) ; Fartoukh, Stephane (CERN) ; Fessia, Paolo (CERN) ; Garion, Cedric (CERN) et al.
The excellent performance of the Large Hadron Collider (LHC) and the extension of Run 3 by one year have led to a significant increase of the expected integrated luminosity by the end of its operation and before the start of the High Luminosity LHC (HL-LHC), exceeding the design LHC integrated luminosity of 300 fb−1 for which the final focus region has been designed. [...]
CERN-ACC-2023-0004.
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2023. - 95 p.
Full text
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Measurement of the muon flux at the SND@LHC experiment
/ SND@LHC Collaboration
The Scattering and Neutrino Detector at the LHC (\SND) is a compact standalone experiment, which started taking data at the beginning of Run 3 of the LHC. The experiment is designed to perform measurements with neutrinos produced in proton-proton collisions at the LHC in an energy range between~100~GeV and~1~TeV, and a previously unexplored pseudo-rapidity range of \mbox{$7.2<\eta<8.4$} [...]
arXiv:2310.05536; CERN-EP-2023-222.-
Geneva : CERN, 2024-01-27 - 11 p.
- Published in : Eur. Phys. J. C 84 (2024) 90
Draft (restricted): PDF; Fulltext: 2310.05536 - PDF; CERN-EP-2023-222 - PDF; document - PDF;
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Update on the FPF Facility technical studies
/ Boyd, Jamie (CERN) ; Andreini, Marco (CERN) ; Arduini, Gianluigi (CERN) ; Balazs, Kincso (CERN) ; Bozzi, Roberto Ales (CERN) ; Cerutti, Francesco (CERN) ; Corsanego, Fabio (CERN) ; Corso, Jean-Pierre (CERN) ; Elie, Lucie (CERN) ; Infantino, Angelo (CERN) et al.
The Forward Physics Facility (FPF) is a proposed new facility to house several new experiments at the CERN High Luminosity LHC (HL-LHC). The FPF is located such that the experiments can be aligned with the collision axis line of sight (LOS), a location which allows many interesting physics measurements and searches for new physics to be carried out. [...]
CERN-PBC-Notes-2023-002.-
Geneva : CERN, 2023 - 25.
Fulltext: PDF;
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Optical Transmission Characterization of Fused Silica Materials Irradiated at the CERN Large Hadron Collider
/ Yang, S. (Illinois U., Urbana) ; Tate, A. (Illinois U., Urbana) ; Longo, R. (Illinois U., Urbana) ; Gilarte, M. Sabate (CERN) ; Cerutti, F. (CERN) ; Mazzoni, S. (CERN) ; Grosse Perdekamp, M. (Illinois U., Urbana) ; Bravin, E. (CERN) ; Citron, Z. (Ben Gurion U. of Negev) ; Kühn, B. (Bitfabrik, Rodgau) et al.
The Target Absorbers for Neutrals (TANs) represent one of the most radioactive regions in the Large Hadron Collider (LHC). Seven 40 cm long fused silica rods with different dopant specifications, manufactured by Heraeus, were irradiated in one of the TANs located around the ATLAS experiment by the Beam RAte of Neutrals (BRAN) detector group. [...]
arXiv:2212.03392; FERMILAB-PUB-22-916-AD.-
2023-07-07 - 29 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 1055 (2023) 168523
Fulltext: 2212.03392 - PDF; FERMILAB-PUB-22-916-AD - PDF; External link: Fermilab Library Server
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$^{22}$Na activation level measurements of fused silica rods in the LHC target absorber for neutrals compared to simulations
/ Yang, S. (Illinois U., Urbana ; Illinois U., Urbana (main)) ; Gilarte, M. Sabate (CERN) ; Tate, A. (Illinois U., Urbana ; Illinois U., Urbana (main)) ; Santiago, N. (Illinois U., Urbana ; Illinois U., Urbana (main)) ; Longo, R. (Illinois U., Urbana) ; Mazzoni, S. (CERN) ; Cerutti, F. (CERN) ; Bravin, E. (CERN) ; Grosse Perdekamp, M. (Illinois U., Urbana) ; Lerner, G. (CERN) et al.
The Target Absorbers for Neutrals (TANs) are located in a high-intensity radiation environment inside the tunnel of the Large Hadron Collider (LHC). TANs are positioned about $140$ m downstream from the beam interaction points. [...]
arXiv:2204.01937.-
2022-09-01 - 11 p.
- Published in : Phys. Rev. Accel. Beams 25 (2022) 091001
Fulltext: 2204.01937 - PDF; Publication - PDF;
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