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CERN Accelerating science

CERN Document Server Znaleziono 2,010 rekordów  1 - 10następnykoniec  skocz do rekordu: Szukanie trwało 0.42 sekund. 
1.
Probing compressed dark sectors at 100 TeV in the dileptonic mono-Z channel / Mahbubani, Rakhi (ITPP, Lausanne) ; Zurita, José (KIT, Karlsruhe, IKP ; KIT, Karlsruhe, TTP)
We examine the sensitivity at a future 100 TeV proton-proton collider to compressed dark sectors whose decay products are invisible due to below-threshold energies and/or small couplings to the Standard Model. This scenario could be relevant to models of WIMP dark matter, where the lightest New Physics state is an (isolated) electroweak multiplet whose lowest component is stable on cosmological timescales. [...]
arXiv:1806.08310; CERN-TH-2018-133; CERN-TH/2018-133; TTP18-021.- 2018-12-14 - 22 p. - Published in : JHEP 12 (2018) 092 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF;
2.
Closing the window for compressed Dark Sectors with disappearing charged tracks / Mahbubani, Rakhi (CERN ; Ecole Polytechnique, Lausanne) ; Schwaller, Pedro (U. Mainz, PRISMA ; Mainz U., Inst. Phys.) ; Zurita, Jose (KIT, Karlsruhe, IKP)
We investigate the sensitivity at current and future hadron colliders to a heavy electrically-charged particle with a proper decay length below a centimetre, whose decay products are invisible due to below-threshold energies and/or small couplings to the Standard Model. A cosmologically-motivated example of a framework that contains such a particle is the Minimal Supersymmetric Standard Model in the limit of pure Higgsinos. [...]
arXiv:1703.05327; CERN-TH-2017-054; TTP17-005; MITP/17-011.- 2017-06-22 - 22 p. - Published in : JHEP 06 (2017) 119 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF;
3.
Effect of Feedbacks and Below-Threshold Instabilities on Bunched-Beam Longitudinal Diffusion Inflicted by and External RF-Noise / Ivanov, S
1994 External link: Published version from JACoW
In : 4th European Particle Accelerator Conference, London, UK, 27 Jun - 1 Jul 1994, pp.1087
4.
Searching for Heavy Neutral Leptons at A Future Muon Collider / Kwok, Tsz Hong (Hong Kong U. Sci. Tech.) ; Li, Lingfeng (Brown U.) ; Liu, Tao (Hong Kong U. Sci. Tech.) ; Rock, Ariel (Hong Kong U. Sci. Tech.)
As the planning stages for a high energy muon collider enter a more concrete era, an important question arises as to what new physics could be uncovered. [...]
arXiv:2301.05177.
- 2023. - 27 p.
Fulltext
5.
A Theory of Dark Pions / Cheng, Hsin-Chia (UC, Davis, QMAP) ; Li, Lingfeng (Hong Kong U. Sci. Tech. ; Brown U.) ; Salvioni, Ennio (CERN ; Padua U., Astron. Dept.)
We present a complete model of a dark QCD sector with light dark pions, broadly motivated by hidden naturalness arguments. The dark quarks couple to the Standard Model via irrelevant $Z$- and Higgs-portal operators, which encode the low-energy effects of TeV-scale fermions interacting through Yukawa couplings with the Higgs field. [...]
arXiv:2110.10691; CERN-TH-2021-150.- 2022-01-21 - 52 p. - Published in : JHEP 2201 (2022) 122 Fulltext: document - PDF; 2110.10691 - PDF;
6.
Mass and Cross Section Measurements of light-flavored Squarks at CLIC / WEUSTE, L. ; SIMON, F. /CERN Linear Collider Detector collaboration
We present a study of the prospects for the measurement of TeV-scale light-flavored right-squark masses and and the production cross sections at a 3 TeV e+e- collider based on CLIC technology. The analysis, performed in the framework of the CLIC Conceptual Design Report, is based on full Geant4 simulations of the CLIC ILD detector concept, including standard model physics background and machine related hadronic background from two-photon processes [...]
LCD-Note-2011-027.- Geneva : CERN, 2011 Fulltext: PDF;
7.
Perspective on TeV-scale physics / Chanowitz, M S
LBL-26547.- Berkeley, CA : Lawrence Berkeley Nat. Lab., 1989 - 97 p.
In : BIMP Symposium on Heavy-flavor Physics, Beijing, China, 11 - 20 Aug 1988, pp.70-160 - CERN library copies
8.
Exotic Higgs decays (and Long-Lived Particles) at future colliders / Zurita, Jose Francisco (KIT, Karlsruhe, IKP ; KIT, Karlsruhe, TTP)
In this contribution I have summarized the existing studies on exotic Higgs decays at current and future collliders. While the proton-proton machines would in principle be the best option due to their larger energies and luminosities, we have also seen that the phase space regions where the LHC and FCC-hh lose steam, namely, low X masses and low lifetimes provide a unique window of opportunity for both e −p and e +e − colliders. [...]
2019 - 8 p. - Published in : 10.23731/CYRM-2020-003.241 Fulltext: Preprint - PDF; Publication - PDF;
In : Theory for the FCC-ee : Report on the 11th FCC-ee Workshop Theory and Experiments, pp.241-246
9.
Indirect detection of composite asymmetric dark matter / Mahbubani, Rakhi (U. Bern, AEC ; CERN) ; Redi, Michele (INFN, Florence ; U. Florence (main)) ; Tesi, Andrea (INFN, Florence ; U. Florence (main))
Dark Matter can form bound states upon the emission of quanta of energy equal to the binding energy. The rate of this process is large for strongly-interacting Dark Matter, and further enhanced by long distance effects. [...]
arXiv:1908.00538; CERN-TH-2019-125.- 2020-05-28 - 6 p. - Published in : Phys. Rev. D 101 (2020) 103037 Article from SCOAP3: PDF; Fulltext: PDF;
10.
Search for Single Production of a Vector Like T Quark Decaying to a Higgs Boson and a Leptonically Decaying Top Quark /CMS Collaboration
We search for singly produced vector-like top quark partners (T) in pp collisions at a center-of-mass energy of 13 TeV with the CMS experiment at the LHC. This is of particular interest, as the rate of single production of TeV-scale vector-like quarks increases faster than the rate of pair production with increasing centre-of-mass energy [...]
CMS-PAS-B2G-15-008.- Geneva : CERN, 2016 Figure_001: PDF; Figure_002-a: PDF; Figure_002-b: PDF; Figure_002-c: PDF; Figure_002-d: PDF; Figure_003-a: PDF; Figure_003-b: PDF; Figure_004-a: PDF; Figure_004-b: PDF; Figure_005-a: PDF; Figure_005-b: PDF; Figure_006-a: PDF; Figure_006-b: PDF; Figure_007-a: PDF; Figure_007-b: PDF; Figure_008-a: PDF; Figure_008-b: PDF; Figure_008-c: PDF; Figure_009-a: PDF; Figure_009-b: PDF; Figure_009-c: PDF; Figure_009-d: PDF; Figure_010-a: PDF; Figure_010-b: PDF; Figure_010-c: PDF; Figure_010-d: PDF; Fulltext in PDF: PDF;

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