CERN Accelerating science

CERN Document Server 337 записей найдено  1 - 10следующийконец  перейти к записи: Поиск длился 1.42 секунд. 
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First detection of a tagged neutrino in the NA62 experiment / NA62 Collaboration
The NA62 experiment at the CERN SPS reports the first detection of a tagged neutrino candidate based on the data collected in 2022. [...]
arXiv:2412.04033.
- 16.
Fulltext
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Observation of the K+π+νˉνK+π+ν¯ν decay and measurement of its branching ratio / Cortina Gil, Eduardo (Louvain U., CP3) ; Jerhot, Jan (Louvain U., CP3 ; Munich, Max Planck Inst.) ; Lurkin, Nicolas (Louvain U., CP3) ; Bryman, Douglas (British Columbia U. ; TRIUMF) ; Numao, Toshio (TRIUMF) ; Velghe, Bob (TRIUMF) ; Wong, Vincent Wai Sum (TRIUMF) ; Hives, Zdenko (Charles U.) ; Husek, Tomas (Charles U. ; Birmingham U.) ; Kampf, Karol (Charles U.) et al.
A measurement of the K+π+νˉνK+π+ν¯ν decay by the NA62 experiment at the CERN SPS is presented, using data collected in 2021 and 2022. This dataset was recorded, after modifications to the beamline and detectors, at a higher instantaneous beam intensity with respect to the 2016–2018 data taking. [...]
arXiv:2412.12015; CERN-EP-2024-343.- Geneva : CERN, 2024 - 29 p. Draft (restricted): PDF; Fulltext: CERN-EP-2024-343 - PDF; 2412.12015 - PDF;
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Neutrino physics / Di Lella, L
Geneva : CERN, 1997 CERN Academic Training Lecture, 342
In : Academic Training Lectures, CERN, Geneva, Switzerland, 1 Sep 1996 - 30 Jun 1997
4.
Luigi Di Lella / Di Lella, Luigi (speaker) (Johannes Gutenberg Universitaet Mainz (DE))
2024 - 990. Conferences, Workshops & Schools; Alvaro@80 External links: Talk details; Event details In : Alvaro@80
5.
First search for K+π0πμeK+π0πμe decays / NA62 Collaboration
The first search for the lepton number violating decay K+π0πμ+e+K+π0πμ+e+ and lepton flavour violating decays K+π0π+μe+K+π0π+μe+, K+π0π+μ+eK+π0π+μ+e has been performed using a dataset collected by the NA62 experiment at CERN in 2016–2018. Upper limits of 2.9×10102.9×1010, 3.1×10103.1×1010 and 5.0×10105.0×1010, respectively, are obtained at 90% CL for the branching ratios of the three decays on the assumption of uniform phase-space distributions..
arXiv:2409.12981; CERN-EP-2024-224.- Geneva : CERN, 2024-11-12 - 9 p. - Published in : Phys. Lett. B 859 (2024) 139122 Draft (restricted): PDF; Fulltext: CERN-EP-2024-224 - PDF; 2409.12981 - PDF; Publication - PDF;
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Development of a new CEDAR for kaon identification at the NA62 experiment at CERN / NA62 Collaboration
The NA62 experiment at CERN utilises a differential Cherenkov counter with achromatic ring focus (CEDAR) for tagging kaons within an unseparated monochromatic beam of charged hadrons. The CEDAR-H detector was developed to minimise the amount of material in the path of the beam by using hydrogen gas as the radiator medium. [...]
arXiv:2312.17188; CERN-EP-2023-302.- Geneva : CERN, 2024-05-07 - 20 p. - Published in : JINST 19 (2024) P05005 Draft (restricted): PDF; Fulltext: 2312.17188 - PDF; document - PDF; CERN-EP-2023-302 - PDF;
7.
High Intensity Kaon Experiments (HIKE) at the CERN SPS: Proposal for Phases 1 and 2 / HIKE Collaboration
A timely and long-term programme of kaon decay measurements at an unprecedented level of precision is presented, leveraging the capabilities of the CERN Super Proton Synchrotron (SPS). [...]
arXiv:2311.08231 ; CERN-SPSC-2023-031 ; SPSC-P-368.
- 2023. - 147 p.
Fulltext - Fulltext
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Search for leptonic decays of dark photons at NA62Search for Leptonic Decays of Dark Photons at NA62 / NA62 Collaboration
The NA62 experiment at CERN, configured in beam-dump mode, has searched for dark photon decays in flight to electron-positron pairs using a sample of 1.4×10171.4×1017 protons on dump collected in 2021. No evidence for a dark photon signal is observed. [...]
arXiv:2312.12055; CERN-EP-2023-296.- Geneva : CERN, 2024-09-11 - 10 p. - Published in : Phys. Rev. Lett. 133 (2024) 111802 Draft (restricted): PDF; Fulltext: CERN-EP-2023-296 - PDF; 2312.12055 - PDF; Publication - PDF;
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First observation and study of the K±π0π0μ±νK±π0π0μ±ν decay / NA48/2 Collaboration
The NA48/2 experiment at CERN reports the first observation of the K±π0π0μ±νK±π0π0μ±ν decay based on a sample of 2437 candidates with 15% background contamination collected in 2003-2004. The decay branching ratio in the kinematic region of the squared dilepton mass above 0.030.03~GeV2/c42/c4 is measured to be (0.65±0.03)×106(0.65±0.03)×106. [...]
arXiv:2310.20295; CERN-EP-2023-245.- Geneva : CERN, 2024-03-22 - 16 p. - Published in : JHEP 2403 (2024) 137 Draft (restricted): PDF; Fulltext: 2310.20295 - PDF; CERN-EP-2023-245 - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
10.
Measurement of the K+π+γγK+π+γγ decay / NA62 Collaboration
A sample of 3984 candidates of the K+π+γγK+π+γγ decay, with an estimated background of 291±14291±14 events, was collected by the NA62 experiment at CERN during 2017–2018. In order to describe the observed di-photon mass spectrum, the next-to-leading order contribution in chiral perturbation theory was found to be necessary. [...]
arXiv:2311.01837; CERN-EP-2023-247.- Geneva : CERN, 2024-02-07 - 11 p. - Published in : Phys. Lett. B 850 (2024) 138513 Draft (restricted): PDF; Fulltext: CERN-EP-2023-247 - PDF; 2311.01837 - PDF; Publication - PDF;

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