Journal Article

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2020-12-04
13:05
OpenAccess [PUBDB-2020-04785] Journal Article/Contribution to a conference proceedings

Operating the Belle II Collaborative Services and Tools
24th International Conference on Computing in High Energy and Nuclear Physics, CHEP2019, AdelaideAdelaide, Australia, 4 Nov 2019 - 8 Nov 20192019-11-042019-11-08 The European physical journal / Web of Conferences 245(9), 08009 () [10.1051/epjconf/202024508009]  GO
In 2016 the Belle II collaboration reviewed and consolidated their collaborative services and tools. Services and tools were migrated into the existing IT infrastructure at DESY. [...]
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2020-12-03
14:24
[PUBDB-2020-04752] Journal Article
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Plasma channel formation in the knife-like focus of laser beam
Journal of plasma physics 86(3), 905860307 (1-24) () [10.1017/S0022377820000458]  GO
The plasma channel formation in the focus of a knife-like nanosecond laser pulse irradiating a gas target is studied theoretically, and in gas-dynamics computer simulations. The distribution of the electromagnetic field in the focus region, obtained analytically, is used to calculate the energy deposition in the plasma, which then is implemented in the magnetohydrodynamic computer code. [...]
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2020-12-03
14:11
[PUBDB-2020-04751] Journal Article
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Gas Density Structure of Supersonic Flows Impinged on by Thin Blades for Laser–Plasma Accelerator Targets
Physics of fluids 32(6), 066108 () [10.1063/5.0005888]  GO
Density transition injection is an effective technique for controllably loading electrons into a trapped phase for laser plasma accelerators. One common technique to achieve the required fluid structure is to impinge a thin blade on the plume of a supersonic nozzle. [...]
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2020-12-03
13:32
[PUBDB-2020-04748] Journal Article
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A Compact, High Resolution Energy, and Emittance Diagnostic for Electron Beams Using Active Plasma Lenses
Applied physics letters 116(23), 234108 (1-5) () [10.1063/5.0005114]  GO
High-resolution (sub-%), single-shot energy distribution, and emittance measurements of GeV-class electron beams generated by laser plasma accelerators (LPAs) have been enabled through the use of an active plasma lens combined with relatively short dipole magnets. This setup, with only 60 cm between the LPA source and the final diagnostic screen, was facilitated through the use of a replenishable ∼20–40 nm thick liquid crystal plasma mirror to separate remnant laser radiation from the electron beam without emittance degradation. [...]
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2020-12-03
13:18
OpenAccess [PUBDB-2020-04747] Journal Article
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Search for a doubly charged $D D K$ bound state in $ϒ ( 1 S , 2 S )$ inclusive decays and via direct production in $e^+ e^−$ collisions at $\sqrt{s}$ = 10.520, 10.580, and 10.867 GeV
[Belle Preprint # 2020-10; KEK Preprint # 2020-11; arXiv:2008.13341]
Physical review / D 102(11), 112001 (1-14) () [10.1103/PhysRevD.102.112001]  GO
We report the results of a first search for a doubly-charged $DDK$ bound state, denoted the $R^{++}$, in $\Upsilon(1S)$ and $\Upsilon(2S)$ inclusive decays and via direct production in $e^+e^-$ collisions at $\sqrt{s}$ = 10.520, 10.580, and 10.867 GeV. The search uses data accumulated with the Belle detector at the KEKB asymmetric-energy $e^+e^-$ collider. [...]
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2020-12-03
11:57
OpenAccess [PUBDB-2020-04744] Journal Article
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Corrigendum: An Accurate and Efficient Laser-Envelope Solver for the Modeling of Laser-Plasma Accelerators
Corrigendum: "An accurate and efficient laser-envelope solver for themodeling of laser-plasma accelerators ", Plasma Phys. Control [...]
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ddc:620

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2020-12-02
11:59
OpenAccess [PUBDB-2020-04699] Journal Article
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String Defects, Supersymmetry and the Swampland
[CPHT-RR046.072020; DESY-20-123; arXiv:2007.12722]
Recently, Kim, Shiu and Vafa proposed general consistency conditions for six dimensional supergravity theories with minimal supersymmetry coming from couplings to strings. We test them in explicit perturbative orientifold models in order to unravel the microscopic origin of these constraints. [...]
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2020-12-02
10:49
OpenAccess [PUBDB-2020-04695] Journal Article
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Co-regulation of the transcription controlling ATF2 phosphoswitch by JNK and p38
Transcription factor phosphorylation at specific sites often activates gene expression, but how environmental cues quantitatively control transcription is not well-understood. Activating protein 1 transcription factors are phosphorylated by mitogen-activated protein kinases (MAPK) in their transactivation domains (TAD) at so-called phosphoswitches, which are a hallmark in response to growth factors, cytokines or stress [...]
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2020-12-02
10:45
[PUBDB-2020-04694] Journal Article
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Nocardamine-Dependent Iron Uptake in Pseudomonas aeruginosa: Exclusive Involvement of the FoxA Outer Membrane Transporter
Iron is a key nutrient for almost all living organisms. Paradoxically, it is poorly soluble and consequently poorly bioavailable [...]
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ddc:540

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2020-12-02
10:02
OpenAccess [PUBDB-2020-04691] Journal Article
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Ligand-induced conformational rearrangements regulate the switch between membrane-proximal and distal functions of Rho kinase 2
Rho-associated protein kinase 2 (ROCK2) is a membrane-anchored, long, flexible, multidomain, multifunctional protein. Its functions can be divided into two categories: membrane-proximal and membrane-distal [...]
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ddc:570

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