CERN Accelerating science

CERN Document Server Pronađeno je 288 zapisa  1 - 10slijedećikraj  idi na zapis: Pretraživanje je potrajalo 0.74 sekundi 
1.
Timepix3 as solid-state time-projection chamber in particle and nuclear physics / MOEDAL Collaboration
Timepix3 devices are hybrid pixel detectors developed within the Medipix3 collaboration at CERN providing a simultaneous measurement of energy (ToT) and time of arrival (ToA) in each of its 256×256 pixels (pixel pitch: 55 µm). The timestamp resolution below 2 ns allows a measurement of charge carrier drift times, so that particle trajectories can be reconstructed in 3D on a microscopic level (z-resolution: 30-60 µm). [...]
SISSA, 2021 - 8 p. - Published in : PoS ICHEP2020 (2021) 720 Fulltext: PDF;
In : 40th International Conference on High Energy Physics (ICHEP), Prague, Czech Republic, 28 Jul - 6 Aug 2020, pp.720
2.
Reinterpretation of LHC Results for New Physics: Status and Recommendations after Run 2 / Abdallah, Waleed (Harish-Chandra Res. Inst. ; Cairo U.) ; AbdusSalam, Shehu (Shahid Beheshti U.) ; Ahmadov, Azar (Baku State U.) ; Ahriche, Amine (ICTP, Trieste ; Algiers, Ecole Normale Superieure) ; Alguero, Gaël (LPSC, Grenoble) ; Allanach, Benjamin C. (Unlisted ; Cambridge U., DAMTP) ; Araz, Jack Y. (Concordia U., Montreal) ; Arbey, Alexandre (IP2I, Lyon ; CERN) ; Arina, Chiara (Louvain U., CP3) ; Athron, Peter (Monash U.) et al. /LHC Reinterpretation Forum
We report on the status of efforts to improve the reinterpretation of searches and measurements at the LHC in terms of models for new physics, in the context of the LHC Reinterpretation Forum. We detail current experimental offerings in direct searches for new particles, measurements, technical implementations and Open Data, and provide a set of recommendations for further improving the presentation of LHC results in order to better enable reinterpretation in the future. [...]
arXiv:2003.07868; CERN-LPCC-2020-001; FERMILAB-FN-1098-CMS-T; Imperial/HEP/2020/RIF/01.- 2020-08-21 - 58 p. - Published in : SciPost Phys. 9 (2020) 022 Fulltext: 2003.07868 - PDF; fermilab-fn-1098-cms-t - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server (fulltext available)
3.
Near-Earth Supernova Explosions: Evidence, Implications, and Opportunities / Fields, Brian D. (Illinois U., Urbana) ; Ellis, John R. (King's Coll. London) ; Binns, Walter R. (Washington U., St. Louis) ; Breitschwerdt, Dieter (Helmholtz-Zentrum, Berlin) ; deNolfo, Georgia A. (NASA, Goddard) ; Diehl, Roland (Garching, Max Planck Inst., MPE) ; Dwarkadas, Vikram V. (Chicago U.) ; Ertel, Adrienne (Illinois U., Urbana) ; Faestermann, Thomas (Tech. U., Munich (main)) ; Feige, Jenny (Helmholtz-Zentrum, Berlin) et al.
There is now solid experimental evidence of at least one supernova explosion within 100 pc of Earth within the last few million years, from measurements of the short-lived isotope 60Fe in widespread deep-ocean samples, as well as in the lunar regolith and cosmic rays. [...]
arXiv:1903.04589.
- 11 p.
Fulltext
4.
Magnetic Imprisonment of Dusty Pinballs by a Supernova Remnant / Fry, Brian J. (U.S. Air Force Academy ; Illinois U., Urbana, Astron. Dept.) ; Fields, Brian D. (Illinois U., Urbana, Astron. Dept. ; Illinois U., Urbana) ; Ellis, John R. (King's Coll. London ; NICPB, Tallinn ; CERN)
Motivated by recent measurements of deposits of 60Fe on the ocean floor and the lunar surface, we model the transport of dust grains containing 60Fe from a near-Earth (i.e., within 100 pc) supernova (SN). We inject dust grains into the environment of an SN remnant (SNR) and trace their trajectories by applying a 1D hydrodynamic description assuming spherical symmetry to describe the plasma dynamics, and include a rudimentary, 3D magnetic field description to examine its influence on charged dust grains. [...]
arXiv:1801.06859; KCL-PH-TH/2018-01; CERN-TH/2018-003; KCL-PH-TH-2018-01; CERN-TH-2018-003.- 2020-05-12 - 29 p. - Published in : Astrophys. J. 894 (2020) 109 Fulltext: PDF; Preprint: PDF;
5.
Radioactive Iron Rain: Transporting 60Fe in Supernova Dust to the Ocean Floor / Fry, Brian J. (Illinois U., Urbana, Astron. Dept.) ; Fields, Brian D. (Illinois U., Urbana, Astron. Dept.) ; Ellis, John R. (King's Coll. London ; CERN)
Several searches have found evidence of 60Fe deposition, presumably from a near-Earth supernova (SN), with concentrations that vary in different locations on Earth. This paper examines various influences on the path of interstellar dust carrying 60Fe from a SN through the heliosphere, with the aim of estimating the final global distribution on the ocean floor. [...]
arXiv:1604.00958; KCL-PH-TH-2016-15; LCTS-2016-09; CERN-TH-2016-076; KCL-PH-TH-2016-15; LCTS-2016-09; CERN-TH-2016-076.- Geneva : CERN, 2016 - 18 p. - Published in : Astrophys. J. 827 (2016) 48 Fulltext: PDF; External link: Preprint
6.
Testing the Standard Model at LEP / Ellis, John R (CERN)
1991 - Published in : (1991) , pp. 1-27
In : 1st International Triangle Workshop JINR-CERN-IHEP : Standard Model and beyond : from LEP to UNK and LHC, Dubna, Soviet Union, 1 - 5 Oct 1990, pp.1-27
7.
Astrophysical Shrapnel: Discriminating Among Near-Earth Stellar Explosion Sources of Live Radioactive Isotopes / Fry, Brian J. (Illinois U., Urbana, Astron. Dept.) ; Fields, Brian D. (Illinois U., Urbana, Astron. Dept.) ; Ellis, John R. (King's Coll. London ; CERN)
We consider the production and deposition on Earth of isotopes with half-lives in the range 105 to 108 years that might provide signatures of nearby stellar explosions, extending previous analyses of Core-Collapse Supernovae (CCSNe) to include Electron-Capture Supernovae (ECSNe), Super-Asymptotic Giant Branch (SAGBs) stars, Thermonuclear/Type Ia Supernovae (TNSNe), and Kilonovae/Neutron Star Mergers (KNe). We revisit previous estimates of the 60Fe and 26Al signatures, and extend these estimates to include 244Pu and 53Mn. [...]
arXiv:1405.4310; KCL-PH-TH-2014-16; LCTS-2014-15; CERN-PH-TH-2014-062; KCL-PH-TH-2014-16; LCTS-2014-15; CERN-PH-TH-2014-062.- 2015-02-10 - 38 p. - Published in : Astrophys. J. 800 (2015) 71 Fulltext: PDF; External link: Preprint
8.
Discovering baryon-number violating neutralino decays at the LHC / Butterworth, Jonathan M (University Coll. London) ; Ellis, John R (CERN) ; Raklev, Are R (Cambridge U., DAMTP ; Cambridge U.) ; Salam, Gavin P (Paris, LPTHE ; Paris U., VI-VII)
Recently there has been much interest in the use of single-jet mass and jet substructure to identify boosted particles decaying hadronically at the LHC. We develop these ideas to address the challenging case of a neutralino decaying to three quarks in models with baryonic violation of R-parity. [...]
arXiv:0906.0728; CAVENDISH-HEP-2009-07; CERN-PH-TH-2009-073; DAMTP-2009-40.- 2009 - Published in : Phys. Rev. Lett. 103 (2009) 241803 APS Published version, local copy: PDF; External link: Preprint
9.
Sneutrino NLSP Scenarios in the NUHM with Gravitino Dark Matter / Ellis, John R. (CERN) ; Olive, Keith A. (Minnesota U., Theor. Phys. Inst.) ; Santoso, Yudi (Durham U., IPPP)
We analyze scenarios in which some flavour of sneutrino is the next-to-lightest supersymmetric particle (NLSP), assuming that the gravitino is the lightest supersymmetric particle (LSP) and provides the cold dark matter. Such scenarios do not arise in the constrained supersymmetric extension of the Standard Model (CMSSM) with universal gaugino and scalar masses input at the GUT scale. [...]
arXiv:0807.3736; CERN-PH-TH-2008-159; UMN-TH-2708-08; FTPI-MINN-08-28; IPPP-08-53; DCPT-08-106; CERN-PH-TH-2008-159; DCPT-08-106; FTPI-MINN-08-28; IPPP-08-53; UMN-TH-2708-08.- Geneva : CERN, 2008 - 29 p. - Published in : JHEP 10 (2008) 005 Fulltext: arXiv:0807.3736 - PDF; JHEP10(2008)005 - PDF; SISSA/IOP Open Access article: PDF; External link: Preprint
10.
Review of the Safety of LHC Collisions / Ellis, John R. (CERN) ; Giudice, Gian (CERN) ; Mangano, Michelangelo L. (CERN) ; Tkachev, Igor (CERN) ; Wiedemann, Urs (Moscow, INR) /LSAG: LHC Safety Assessment Group
The safety of collisions at the Large Hadron Collider (LHC) was studied in 2003 by the LHC Safety Study Group, who concluded that they presented no danger. Here we review their 2003 analysis in light of additional experimental results and theoretical understanding, which enable us to confirm, update and extend the conclusions of the LHC Safety Study Group. [...]
arXiv:0806.3414; CERN-PH-TH-2008-136.- 2008 - 15 p. - Published in : J. Phys. G 35 (2008) 115004 Fulltext: PDF; External link: Interactions.org article

CERN Document Server : Pronađeno je 288 zapisa   1 - 10slijedećikraj  idi na zapis:
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47 ELLIS, J.
38 ELLIS, J.R.
357 ELLIS, John
25 ELLIS, Jonathan R.
120 Ellis, J
13 Ellis, J A
1 Ellis, J B
1 Ellis, J E
1 Ellis, J J
2 Ellis, J L
1 Ellis, J P
9 Ellis, J R
1 Ellis, J-R
47 Ellis, J.
1 Ellis, J.A.
5 Ellis, J.R
38 Ellis, J.R.
1 Ellis, Jennifer L
1 Ellis, Jeremy D
1 Ellis, Jillian
357 Ellis, John
285 Ellis, John R.
1 Ellis, John Rolfe
1 Ellis, Jon Robert
3 Ellis, Jonathan
2 Ellis, Jonathan D
1 Ellis, Jonathan D.
25 Ellis, Jonathan R.
614 Ellis, Jonathan Richard
2 Ellis, Jordan
1 Ellis, Joseph J
1 Ellis, Joshua
2 Ellis, Joshua Peter
4 Ellis, Juanita
9 Ellis, Justin
3 Ellis, Justin A
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