FLC

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2018-11-30
00:29
OpenAccess [PUBDB-2018-05033] Conference Presentation (After Call)
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Experimental techniques for Higgsinos with $\Delta(M) \sim$ 1 GeV
Asain Linear Collider Workshop, ALCW18, FukuokaFukuoka, Japan, 28 May 2018 - 1 Jun 20182018-05-282018-06-01  GO
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2018-11-29
10:29
OpenAccess [PUBDB-2018-04959] Report/Contribution to a conference proceedings
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Search for Light Scalars Produced in Association with Muon Pairs for $\sqrt{s}$ = 250 GeV at the ILC
[arXiv:1801.08164]
International Workshop On Future Linear Colliders, LCWS2017, StrasbourgStrasbourg, France, 23 Oct 2017 - 27 Oct 20172017-10-232017-10-27
Contributions / Info
14 pp. () [10.3204/PUBDB-2018-04959]  GO
In many models with extended Higgs sectors, $e.g.$ 2HDM, NMSSM, there exists a light scalar $h$, lighter than the Standard Model (SM) like Higgs, and the coupling of $hZZ$ can be very small, as expected from the likeness of the 125 GeV Higgs boson measured at the LHC to the SM Higgs boson. Such a light scalar with suppressed couplings to the $Z$ boson would have escaped detection at LEP due to its limited luminosity. [...]
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2018-11-28
11:27
OpenAccess [PUBDB-2018-04913] Conference Presentation
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Studies on particle identification with dE/dx for the ILD TPC
12th Annual Meeting of the Helmholtz Alliance "Physics at the Terascale", HamburgHamburg, Germany, 26 Nov 2018 - 28 Nov 20182018-11-262018-11-28  GO
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2018-11-28
11:00
OpenAccess [PUBDB-2018-04912] Conference Presentation
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Studies on Particle Identification with dE/dx for the ILD TPC
International Workshop on Future Linear Colliders, LCWS18, ArlingtonArlington, USA, 22 Oct 2018 - 26 Oct 20182018-10-222018-10-26  GO
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2018-11-26
17:14
OpenAccess [PUBDB-2018-04822] Preprint/Report
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HEP Community White Paper on Software trigger and event reconstruction: Executive Summary
[arXiv:1802.08640; FERMILAB-PUB-18-072-CD; HSF-CWP-2017-14]
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Realizing the physics programs of the planned and upgraded high-energy physics (HEP) experiments over the next 10 years will require the HEP community to address a number of challenges in the area of software and computing. For this reason, the HEP software community has engaged in a planning process over the past two years, with the objective of identifying and prioritizing the research and development required to enable the next generation of HEP detectors to fulfill their full physics potential. [...]
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2018-09-25
15:23
OpenAccess [PUBDB-2018-03592] Contribution to a book
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Optimising the ILC Setup: Physics Programme, Running Scenarios and Design Choices
List, Jenny "Optimising the ILC Setup: Physics Programme, Running Scenarios and Design Choices" in Particles, Strings and the Early Universe : The Structure of Matter and Space-Time / Haller, Johannes, Grefe, Michael (eds.), Verlag Deutsches Elektronen-Synchrotron : 2018 Hamburg : Verlag Deutsches Elektronen-Synchrotron 125-153 () [10.3204/PUBDB-2018-00782/B1]  GO
A high-energy $e^+e^-$ Linear Collider has been considered since a long time as an important complement to the LHC. Unprecedented precision measurements as well as the exploration of so far untouched phase space for direct production of new particles will provide unique information to advance the limits of our understanding of our universe. [...]
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2018-08-07
10:53
OpenAccess [PUBDB-2018-02765] Preprint/Report
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The DESY II Test Beam Facility
[DESY-18-111; arXiv:1807.09328]
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DESY Hamburg operates a test beam facility with three independent beam lines at the DESY II synchrotron. It is world-wide one of very few facilities providing test beams in the GeV range. [...]
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2018-07-26
19:20
OpenAccess [PUBDB-2018-02704] Book/Report/Master Thesis
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Vlasov Simulation of Exotic Phase-Space Densities via Tree-Based Domain-Decomposition
[DESY-THESIS-2018-022]
Hamburg : Verlag Deutsches Elektronen-Synchrotron, DESY-THESIS 77 pp. () [10.3204/PUBDB-2018-02704] = Masterarbeit, Universität Hamburg, 2018  GO
Magnetic bunch compression is used to produce the high-brightness electron bunches needed for the operation of a free-electron laser. A longitudinal energy chirp -- imprinted on the bunch via off-crest acceleration -- results in the compression of the bunch in a subsequent dispersive section of the accelerator in form of a magnetic chicane.Such a setup sets the stage for the self-interaction of charge-density in homogeneities via the space-charge fields they generate within the bunch.This can potentially lead to an enhancement of initially present charge-densitymodulations; an effect known as microbunching amplification.Numerical simulation of this dynamics is encumbered by the fact that phase-space densities of electron bunches encountered at free-electron lasers typically exhibit an ``exotic'' structure, as they form a thin, hair-like bandmeandering through phase-space.In this thesis, a Vlasov-simulation approach based on tree domain-decomposition is presented, that allows for the efficient simulation of these phase-space densities despite their exoticness.Further, a beam-dynamics model is presented, which most notably enables the time-discrete treatment of collective space-charge effects in drift regions of the accelerator.Based on this model an arbitrary-order perturbation theory for the microbunching gain in a bunch-compressor is conceived and applied to the case of a long bunch with monochromatic density modulation.Finally, the results from theory and simulation are compared as part of thebenchmarking of the simulation code..
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2018-02-06
13:52
OpenAccess [PUBDB-2018-01077] Talk (non-conference)
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The DESY II Test Beam Facility – Status and Future
6th Beam Telescopes and Test Beam Workshop 2018, BTTB6, DESYZürich, DESY, Switzerland, 16 Jan 2018 - 19 Jan 20182018-01-162018-01-19  GO
The DESY II Test Beam Facility will resume operations mid February 2018. The current status and possibilities for future improvements and extensions of the facility will be presented..
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2018-01-24
11:29
OpenAccess [PUBDB-2018-00782] Book
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Particles, strings and the early universe: The structure of matter and space-time. Research results of the Collaborative Research Centre SFB 676 in Hamburg. July 2006-June 2018 Universität Hamburg and DESY
Hamburg : Verlag Deutsches Elektronen-Synchrotron 421 pages () [10.3204/PUBDB-2018-00782]  GO
Within the Collaborative Research Centre SFB 676 “Particles, Strings and the Early Universe: The Structure of Matter and Space-Time” scientists of Universität Hamburg and DESY have conducted research at the interface of mathematical physics, particle physics and cosmology. The SFB 676 was funded by the German Research Foundation (DFG) from 2006 to 2018. [...]
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HH   530. 142 Hal 1 available HH Handbibliothek 530. 142 Hal 1 arrived ZEU On display E Hal 1 available
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