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CERN Document Server 144 のレコードが見つかりました。  1 - 10次最後  レコードへジャンプ: 検索にかかった時間: 0.94 秒 
1.
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
2.
Observation of the $K^+ \to \pi^+ \nu \bar\nu$ 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 $K^+ \to \pi^+ \nu \bar\nu$ 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;
3.
First search for $K^+ \to \pi^0 \pi \mu e$ decays / NA62 Collaboration
The first search for the lepton number violating decay $K^+ \to \pi^0 \pi^- \mu^+ e^+$ and lepton flavour violating decays $K^+ \to \pi^0 \pi^+ \mu^- e^+$, $K^+ \to \pi^0 \pi^+ \mu^+ e^-$ has been performed using a dataset collected by the NA62 experiment at CERN in 2016–2018. Upper limits of $2.9\times 10^{-10}$, $3.1 \times 10^{-10}$ and $5.0 \times 10^{-10}$, 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;
4.
Hubble trouble or Hubble bubble? / Romano, Antonio Enea (CERN ; Antioquia U.)
The recent analysis of low-redshift supernovae (SN) has increased the apparent tension between the value of H0estimated from low and high redshift observations such as the cosmic microwave background (CMB) radiation. At the same time other observations have provided evidence of the existence of local radial inhomogeneities extending indifferent directions up to a redshift of about 0.07.  About 40% of the Cepheids used for SN calibration are directly affected because are located along the directions of these in homogeneities [...]
2022 - 6 p. - Published in : 10.1142/9789811258251_0177 Fulltext: PDF;
In : 15th Marcel Grossmann Meeting on Recent Developments in Theoretical and Experimental General Relativity, Astrophysics, and Relativistic Field Theories, Rome, Italy, 1 - 7 Jul 2018, pp.1251-1256
5.
High Intensity Kaon Experiments proposed for the ECN3 / Romano, Angela (speaker) (University of Birmingham (GB))
Rare kaon decay measurements at CERN are listed as an essential scientific activity in the 2020 Update of the European strategy for particle physics. The High Intensity Kaon Experiments (HIKE) represent a broad, long-term next-generation fixed-target experimental programme at CERN after LS3, based in the North Area ECN3 experimental hall, covering all the main aspects of rare kaon decays and searches accessible via kaon physics, from ultra-rare kaon decays to precision measurements and searches for new phenomena, with unprecedented world-leading sensitivity. [...]
2023 - 4003. Detector Seminar External link: Event details In : High Intensity Kaon Experiments proposed for the ECN3
6.
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
8.
Constraining the time evolution of the propagation speed of gravitational waves with multimessenger astronomy / Romano, Antonio Enea (ICRA, Pescara ; CERN) ; Sakellariadou, Mairi (King's Coll. London)
Several modified gravity theories predict a possible time variation of the propagation speed of gravitational waves (GW) which could be tested with multimessenger astronomy. [...]
arXiv:2309.10903.
- 7 p.
Fulltext
9.
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 $1.4 \times 10^{17}$ 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;
10.
Measurement of the $K^+ \to \pi^+ \gamma \gamma$ decay / NA62 Collaboration
A sample of 3984 candidates of the $K^+ \to \pi^+ \gamma \gamma$ decay, with an estimated background of $291 \pm 14$ 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: 2311.01837 - PDF; Publication - PDF; CERN-EP-2023-247 - PDF;

CERN Document Server : 144 のレコードが見つかりました。   1 - 10次最後  レコードへジャンプ:
似た著者名:
4 Romano, A E
15 Romano, A.
2 Romano, A.E.
2 Romano, Aldo
1 Romano, Alfonso
37 Romano, Angela
2 Romano, Anna
2 Romano, Anna Lisa
19 Romano, Annalisa
1 Romano, Anthony
12 Romano, Antonio
2 Romano, Antonio E
60 Romano, Antonio Enea
1 Romano, Antony
87 romano, A
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