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470 papers · 1 filter

hep-th2018★ 32 cited

Amplitudes at Infinity

Jacob L. Bourjaily, Enrico Herrmann, Jaroslav Trnka

We investigate the asymptotically large loop-momentum behavior of multi-loop amplitudes in maximally supersymmetric quantum field theories in four dimensions. We check residue-theo…

cond-mat.str-el2018★ 19 cited

Electronic and phononic properties of a two dimensional electron gas coupled to dipolar phonons via small-momentum-transfer scattering

Zi-Xiang Li, T. P. Devereaux, Dung-Hai Lee

We study the electron and phonon spectral functions as well as superconductivity for a two dimensional electron gas couped to dipolar phonons via small-momentum transfer scattering…

physics.optics2018★ 23 cited

Shaping Coherent X-rays with Binary Optics

Stefano Marchesini, Anne Sakdinawat

Diffractive lenses fabricated by lithographic methods are one of the most popular image forming optics in the x-ray regime. Most commonly, binary diffractive optics, such as Fresne…

astro-ph.HE2018★ 56 cited

Accretion geometry of the black-hole binary Cygnus X-1 from X-ray polarimetry

M. Chauvin, H. -G. Florén, M. Friis +13

Black-hole binary (BHB) systems comprise a stellar-mass black hole and a closely orbiting companion star. Matter is transferred from the companion to the black hole, forming an acc…

hep-ex2018★ 16 cited

Properties of at small opening angles in collisions with the ATLAS detector at TeV

ATLAS Collaboration

The fragmentation of high-energy gluons at small opening angles is largely unconstrained by present measurements. Gluon splitting to -quark pairs is a unique probe into the prop…

hep-ex2018★ 70 cited

Elastic differential cross-section at 2.76 TeV and implications on the existence of a colourless 3-gluon bound state

TOTEM Collaboration, G. Antchev, P. Aspell +73

The proton-proton elastic differential cross section has been measured by the TOTEM experiment at TeV energy with m beam optics. The…

hep-ex2018★ 83 cited

Elastic differential cross-section measurement at TeV by TOTEM

TOTEM Collaboration, G. Antchev, P. Aspell +74

The TOTEM collaboration has measured the elastic proton-proton differential cross section at TeV LHC energy using dedicated m beam opti…

physics.acc-ph2018★ 4 cited

Numerical optimization of a low emittance lattice cell

Tong Zhang, Xiaobiao Huang

In the lattice designs for the next generation storage ring light sources, longitudinal gradient bending magnets and anti-bending magnets have been adopted. A logical question rais…

hep-ex2018★ 47 cited

Using world charged pion--nucleus scattering data to constrain an intranuclear cascade model

E. S. Pinzon Guerra, C. Wilkinson, S. Bhadra +19

The NEUT intranuclear cascade model is described and fit to a large body of \pipm--nucleus scattering data. Methods are developed to deal with deficiencies in the available histori…

physics.acc-ph2018★ 8 cited

Determination of the magnetic field dependence of the surface resistance of superconductors from cavity tests

J. R. Delayen, H. Park, S. U. De Silva +2

We present a general method to derive the magnetic field dependence of the surface resistance of superconductors from the Q-curves obtained during the cryogenic tests of cavities.…

astro-ph.CO2018★ 42 cited

Dark Energy Survey Year 1 results: Validation of weak lensing cluster member contamination estimates from P(z) decomposition

T. N. Varga, J. DeRose, D. Gruen +68

Weak lensing source galaxy catalogs used in estimating the masses of galaxy clusters can be heavily contaminated by cluster members, prohibiting accurate mass calibration. In this…

hep-ph2018★ 18 cited

A complete asymptotically safe embedding of the Standard Model

Steven Abel, Esben Molgaard, Francesco Sannino

We present and discuss the "Tetrad Model", a large colour/flavour embedding of the Standard model which has an interacting ultraviolet fixed point. It is shown that its extended-Pa…

physics.ins-det2018★ 6 cited

Characterization of the ePix100a and the FastCCD Semiconductor Detectors for the European XFEL

I. Klačková, G. Blaj, P. Denes +6

The European X-ray Free Electron Laser (EuXFEL) is a research facility providing spatially coherent X-ray flashes in the energy range from 0.25keV to 25keV of unprecedented brillia…

physics.acc-ph2018★ 28 cited

The Role of Magnetic Flux Expulsion to Reach Q0>3x10^10 in SRF Cryomodules

S. Posen, G. Wu, E. Harms +7

When a superconducting radiofrequency cavity is cooled through its critical temperature, ambient magnetic flux can become "frozen in" to the superconductor, resulting in degradatio…

astro-ph.HE2018★ 15 cited

PoGO+ polarimetric constraint on the synchrotron jet emission of Cygnus X-1

Maxime Chauvin, Hans-Gustav Florén, Miranda Jackson +8

We report a polarimetric constraint on the hard X-ray synchrotron jet emission from the Cygnus X-1 black-hole binary system. The observational data were obtained using the PoGO+ ha…

cond-mat.mtrl-sci2018★ 53 cited

Visualizing topological edge states of single and double bilayer Bi supported on multibilayer Bi(111) films

Lang Peng, Jing-Jing Xian, Peizhe Tang +4

Freestanding single-bilayer Bi(111) is a two-dimensional topological insulator with edge states propagating along its perimeter. Given the interlayer coupling experimentally, the t…

astro-ph.HE2018★ 173 cited

A -ray determination of the Universe's star-formation history

LAT Collaboration, M. Ajello, K. Helgason +4

The light emitted by all galaxies over the history of the Universe produces the extragalactic background light (EBL) at ultraviolet, optical, and infrared wavelengths. The EBL is a…

hep-ex2018★ 39 cited

Search for top-quark decays with 36 fb of collision data at TeV with the ATLAS detector

ATLAS Collaboration

A search for flavour-changing neutral current decays of a top quark into an up-type quark () and the Standard Model Higgs boson, , is presented. The search…

astro-ph.CO2018★ 75 cited

A New RASS Galaxy Cluster Catalog with Low Contamination Extending to in the DES Overlap Region

Matthias Klein, Sebastian Grandis, Joseph Mohr +2

We present the MARD-Y3 catalog of between 1086 and 2171 galaxy clusters (52\% and 65\% new) produced using multi-component matched filter (MCMF) followup in 5000\,deg of DES-Y3…

hep-ex2018★ 34 cited

Search for large missing transverse momentum in association with one top-quark in proton-proton collisions at TeV with the ATLAS detector

ATLAS Collaboration

This paper describes a search for events with one top-quark and large missing transverse momentum in the final state. Data collected during 2015 and 2016 by the ATLAS experiment fr…

cond-mat.str-el2018★ 15 cited

Frustrated Magnetism from Local Moments in FeSe

Harrison Ruiz, Yao Wang, Brian Moritz +3

We investigate properties of a spin-1 Heisenberg model with extended and biquadratic interactions, which captures crucial aspects of the low energy physics in FeSe. While we show t…

hep-ex2018★ 47 cited

Search for chargino and neutralino production in final states with a Higgs boson and missing transverse momentum at TeV with the ATLAS detector

ATLAS Collaboration

A search is conducted for the electroweak pair production of a chargino and a neutralino , where the chargino decays into the lightest neu…

hep-th2018

Inflationary spectral tilts as a result of the dilatation symmetry breaking

Pisin Chen, Jiro Matsumoto, Rio Saitou

We derive the spectral indices and their runnings of single inflation models by a new approach. We perform a dilatation transformation to the linear cosmological perturbations and…

hep-th2018★ 137 cited

The two-loop five-point amplitude in super-Yang-Mills theory

Samuel Abreu, Lance J. Dixon, Enrico Herrmann +2

We compute the symbol of the two-loop five-point scattering amplitude in = 4 super-Yang-Mills theory, including its full color dependence. This requires constructing…