Contributions to a conference proceedings

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2020-10-26
10:50
OpenAccess [PUBDB-2020-04017] Journal Article/Contribution to a conference proceedings
et al
Tunable and precise two-bunch generation at FLASHForward
[DESY-20-039; arXiv:2005.12071]
4th European Advanced Accelerator Concepts Workshop 15-20 September 2019, EAAC2019, Isola d'ElbaIsola d'Elba, Italy, 15 Sep 2019 - 21 Sep 20192019-09-152019-09-21 Journal of physics / Conference Series 1596(1), 012002 (1-7) () [10.1088/1742-6596/1596/1/012002]  GO
Beam-driven plasma-wakefield acceleration based on external injection has the potential to significantly reduce the size of future accelerators. Stability and quality of the acceleration process substantially depends on the incoming bunch parameters. [...]
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2020-10-20
13:00
OpenAccess [PUBDB-2020-03917] Journal Article/Contribution to a conference proceedings
et al
Hybridizing Multi-pass and Multi-plate Bulk Compression
Europhoton 2020, PraguePrague, Czech Republic, 30 Aug 2020 - 4 Sep 20202020-08-302020-09-04 The European physical journal / Web of Conferences 243, 21001 () [10.1051/epjconf/202024321001]  GO
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2020-10-20
11:44
OpenAccess [PUBDB-2020-03916] Contribution to a conference proceedings
et al
Progress on the PITZ TDS
5th International Beam Instrumentation Conference, IBIC 2016, BarcelonaBarcelona, Spain, 11 Sep 2016 - 15 Sep 20162016-09-112016-09-15 JACoW, Geneva, Switzerland 1-4 () [10.18429/JACoW-IBIC2016-WEPG47]  GO
A transverse deflecting system (TDS) is under commissioning at the Photo Injector Test Facility at DESY, Zeuthen site (PITZ). The structure was designed and manufactured by the Institute for Nuclear Research (INR RAS, Moscow, Russia) as prototype for the TDS in the injector part of the European XFEL. [...]
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2020-10-20
11:24
OpenAccess [PUBDB-2020-03915] Contribution to a conference proceedings
et al
Compact Ring-Based X-Ray Source With on-Orbit and on-Energy Laser-Plasma Injection
North American Particle Accelerator Conference 2016, NAPAC16, ChicagoChicago, USA, 9 Oct 2016 - 14 Oct 20162016-10-092016-10-14 JACoW, Geneva, Switzerland 435-438 () [10.18429/JACoW-NAPAC2016-TUA3CO03]  GO
We report here the results of a one week long investigation into the conceptual design of an X-ray source based on a compact ring with on-orbit and on-energy laser-plasma accelerator (mini-project 10.4 from [1]). We performed these studies during the June 2016 USPAS class 'Physics of Accelerators, Lasers, and Plasma…' applying the art of inventiveness TRIZ. [...]
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2020-10-20
10:04
OpenAccess [PUBDB-2020-03914] Contribution to a conference proceedings
et al
Latest News on High Average RF Power Operation at PITZ
28th International Linear Accelerator Conference, LINAC16, East LansingEast Lansing, USA, 25 Sep 2016 - 30 Sep 20162016-09-252016-09-30 JACoW, Geneva, Switzerland 3 pp. () [10.18429/JACoW-LINAC2016-MOOP08]  GO
The Photo Injector Test Facility at DESY in Zeuthen (PITZ) develops, tests and characterizes high brightness electron sources for FLASH and European XFEL. Since these FELs work with superconducting accelerators in pulsed mode, also the corresponding normal-conducting RF gun has to operate with long RF pulses. [...]
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2020-10-20
09:50
OpenAccess [PUBDB-2020-03912] Contribution to a conference proceedings
et al
Investigations on Electron Beam Imperfections at PITZ
28th Linear Accelerator Conference, LINAC2016, East LansingEast Lansing, USA, 25 Sep 2016 - 30 Sep 20162016-09-252016-09-30 JACoW, Geneva, Switzerland 3 pp. () [10.18429/JACoW-LINAC2016-MOPLR013]  GO
Since more than a decade, the photo injector test facility at DESY, Zeuthen site (PITZ), has developed and optimized high brightness electron sources for modern Free Electros Lasers like FLASH and the European XFEL. Despite a very high performance of the photo injector was experimentally demonstrated, several discrepancies between measurements and beam dynamics simulations have been revealed. [...]
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2020-10-15
19:10
OpenAccess [PUBDB-2020-03889] Journal Article/Contribution to a conference proceedings

Dark sector physics with Belle II
European Physical Society Conference on High Energy Physics, EPS-HEP2019, GhentGhent, Belgium, 10 Jul 2019 - 17 Jul 20192019-07-102019-07-17 Proceedings of Science / International School for Advanced Studies 1-6 ()  GO
The Belle II detector has recently started data-taking at the SuperKEKB e$^+$e$^−$accelerator facility.The experiment is expected to collect around 50 times the dataset of Belle. Dark sector theories provide a particle explanation for dark matter without any direct coupling to Standard Model particles. [...]
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2020-10-14
13:00
OpenAccess [PUBDB-2020-03825] Contribution to a conference proceedings/Contribution to a book
et al
Determining the glue component of the nucleon
[20-009; arXiv:2001.07639]
Proceedings of 37th International Symposium on Lattice Field Theory — PoS(LATTICE2019) - Sissa Medialab Trieste, Italy, 2020. - ISBN - doi:10.22323/1.363.0220
37th International Symposium on Lattice Field Theory, Lattice 2019, WuhanWuhan, China, 16 Jun 2019 - 22 Jun 20192019-06-162019-06-22
Sissa Medialab Trieste, Italy 1-6 () [10.22323/1.363.0220]  GO
Computing the gluon component of momentum in the nucleon is a difficult and computationally expensive problem, as the matrix element involves a quark-line-disconnected gluon operator which suffers from ultra-violet fluctuations. But also necessary for a successful determination is the non-perturbative renormalisation of this operator. [...]
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2020-10-14
12:39
OpenAccess [PUBDB-2020-03823] Contribution to a conference proceedings/Contribution to a book

Does confinement imply CP invariance of the strong interactions?
[DESY-19-217; arXiv:1912.03941]
Proceedings of 37th International Symposium on Lattice Field Theory — PoS(LATTICE2019) - Sissa Medialab Trieste, Italy, 2020. - ISBN - doi:10.22323/1.363.0172
37th International Symposium on Lattice Field Theory, Lattice 2019, WuhanWuhan, China, 16 Jun 2019 - 22 Jun 20192019-06-162019-06-22
Sissa Medialab Trieste, Italy 7 pp. () [10.22323/1.363.0172]  GO
The strong coupling constant $1/g^2$ and the vacuum angle $\theta$ of the SU(3) Yang-Mills theory are investigated in the infrared limit under the renormalization group flow. It is shown that the theory has an infrared attractive fixed point at $1/g^2 = \theta = \,0$, which leads to linear confinement and naturally solves the strong CP problem. [...]
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2020-10-08
20:33
OpenAccess [PUBDB-2020-03759] Contribution to a conference proceedings

Novel signatures of additional Higgs bosons at the LHC
[DESY-20-140; arXiv:2010.03471]
The Eighth Annual Conference on Large Hadron Collider Physics, LHCP2020, online conferenceonline conference, international, 25 May 2020 - 30 May 20202020-05-252020-05-30 006 pp. () [10.3204/PUBDB-2020-03759]  GO
We identify two types of well-motivated, so-far experimentally unexplored LHC signatures of extended Higgs sectors: First, Higgs-to-Higgs decay signatures that involve (at least) two Beyond-the-Standard Model (BSM) neutral scalar bosons, $\phi_i \to \phi_j \phi_k$. These signatures are discussed in the framework of the Two-Real-Singlet-Model (TRSM), which can furthermore exhibit cascades of Higgs-to-Higgs decays leading to multi-Higgs final states. [...]
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