Now showing items 1-20 of 1407

• #### Measurement of CKM matrix elements in single top quark t-channel production in proton-proton collisions at s=13 TeV ﻿

(2020)
The first direct, model-independent measurement is presented of the modulus of the Cabibbo–Kobayashi–Maskawa (CKM) matrix elements |η|Vtb, |η|Vtd, and |η|Vts, in final states enriched in single top quark t-channel events. ...
• #### Measurement of the Y(1S) pair production cross section and search for resonances decaying to Y(1S)μ+μ− in proton-proton collisions at s=13TeV ﻿

(2020)
The fiducial cross section for Y(1S) pair production in proton-proton collisions at a center-of-mass energy of 13 TeV in the region where both Y(1S) mesons have an absolute rapidity below 2.0 is measured to be 79±11(stat ...

(2020)
• #### Polarized evanescent waves reveal trochoidal dichroism ﻿

(2020)
Matter’s sensitivity to light polarization is characterized by linear and circular polarization effects, corresponding to the system’s anisotropy and handedness, respectively. Recent investigations into the near-field ...
• #### Giant photothermoelectric effect in silicon nanoribbon photodetectors ﻿

(2020)
The photothermoelectric (PTE) effect enables efficient harvesting of the energy of photogenerated hot carriers and is a promising choice for high-efficiency photoelectric energy conversion and photodetection. Recently, the ...
• #### Investigation of the linear and mode-coupled flow harmonics in Au+Au collisions at sNN = 200 GeV ﻿

(2020)
Flow harmonics (vn) of the Fourier expansion for the azimuthal distributions of hadrons are commonly employed to quantify the azimuthal anisotropy of particle production relative to the collision symmetry planes. While ...
• #### Electronic and Magnetic Anisotropies in FeSe Family of Iron-Based Superconductors ﻿

(2020)
Most parent compounds of iron-based superconductors (FeSCs) exhibit a tetragonal-to-orthorhombic lattice distortion below Ts associated with an electronic nematic phase that breaks the four-fold (C4) rotational symmetry ...
• #### Search for supersymmetry in proton-proton collisions at s√ = 13 TeV in events with high-momentum Z bosons and missing transverse momentum ﻿

(2020)
A search for new physics in events with two highly Lorentz-boosted Z bosons and large missing transverse momentum is presented. The analyzed proton-proton collision data, corresponding to an integrated luminosity of 137 ...
• #### Studies of Charm Quark Diffusion inside Jets Using Pb-Pb and pp Collisions at √sNN=5.02  TeV ﻿

(2020)
The first study of charm quark diffusion with respect to the jet axis in heavy ion collisions is presented. The measurement is performed using jets with pjetT>60 GeV/c and D0 mesons with pDT>4 GeV/c in lead-lead (Pb-Pb) ...
• #### Correlating the antisymmetrized geminal power wave function ﻿

(2020)
Strong pairing correlations are responsible for superconductivity and off-diagonal long-range order in the two-particle density matrix. The antisymmetrized geminal power wave function was championed many years ago as the ...
• #### Tuning magnetic confinement of spin-triplet superconductivity ﻿

(2020)
Electrical magnetoresistance and tunnel diode oscillator measurements were performed under external magnetic fields up to 41 T applied along the crystallographic b axis (hard axis) of UTe2 as a function of temperature and ...
• #### Theoretical investigation of superconductivity in trilayer square-planar nickelates ﻿

(2020)
The discovery of superconductivity in Sr-doped NdNiO2 is a crucial breakthrough in the long pursuit for nickel oxide materials with electronic and magnetic properties similar to those of the cuprates. NdNiO2 is the ...
• #### Emission-line Data Cubes of the HH 32 Stellar Jet ﻿

(2020)
We analyze data cubes of over 60 emission lines in the HH 32 stellar jet acquired with the Keck Cosmic Web Imager (KCWI). The data cover the less explored blue portion of the spectrum between 3586 and 6351 Å and have both ...
• #### Search for supersymmetry in proton-proton collisions at s√= 13 TeV in events with high-momentum Z bosons and missing transverse momentum ﻿

(2020)
A search for new physics in events with two highly Lorentz-boosted Z bosons and large missing transverse momentum is presented. The analyzed proton-proton collision data, corresponding to an integrated luminosity of 137 ...
• #### Studies of Charm Quark Diffusion inside Jets Using Pb-Pb and pp Collisions at √sNN=5.02  TeV ﻿

(2020)
The first study of charm quark diffusion with respect to the jet axis in heavy ion collisions is presented. The measurement is performed using jets with pjetT>60 GeV/c and D0 mesons with pDT>4 GeV/c in lead-lead (Pb-Pb) ...
• #### Criticality across the energy spectrum from random artificial gravitational lensing in two-dimensional Dirac superconductors ﻿

(2020)
We numerically study weak, random, spatial velocity modulation [quenched gravitational disorder (QGD)] in two-dimensional massless Dirac materials. QGD couples to the spatial components of the stress tensor; the gauge-invariant ...
• #### Spin squeezing in a spin-orbit-coupled Bose-Einstein condensate ﻿

(2020)
We study the spin squeezing in a spin-1/2 Bose-Einstein condensates (BEC) with Raman-induced spin-orbit coupling (SOC). Under the condition of two-photon resonance and weak Raman coupling strength, the system possesses two ...
• #### Wave function methods for canonical ensemble thermal averages in correlated many-fermion systems ﻿

(2020)
We present a wave function representation for the canonical ensemble thermal density matrix by projecting the thermofield double state against the desired number of particles. The resulting canonical thermal state obeys ...
• #### Tunneling spectroscopy of c-axis epitaxial cuprate junctions ﻿

(2020)
Atomically precise epitaxial structures are unique systems for tunneling spectroscopy that minimize extrinsic effects of disorder. We present a systematic tunneling spectroscopy study, over a broad doping, temperature, and ...

(2020)