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Showing 2018Show all

314 papers · 1 filter

astro-ph.SR2018★ 35 cited

K2 Ultracool Dwarfs Survey. V. High superflare rates on rapidly rotating late-M dwarfs

Rishi R. Paudel, John E. Gizis, D. J. Mullan +4

We observed strong superflares (defined as flares with energy in excess of 10^33 erg) on three late-M dwarfs: 2MASS J08315742+2042213 (hereafter 2M0831+2042; M7 V), 2MASS J08371832…

hep-ph2018★ 14 cited

Probing Heavy Spin-2 Bosons with final states from Vector Boson Fusion Processes at the LHC

Andrés Flórez, Yuhan Guo, Alfredo Gurrola +4

New massive spin-2 particles are predicted in theoretical extensions to the Standard Model (SM) attempting to solve the hierarchy problem. Such theories postulate that gravity is d…

astro-ph.GA2018★ 34 cited

APOGEE [C/N] Abundances Across the Galaxy: Migration and Infall from Red Giant Ages

Sten Hasselquist, Jon A. Holtzman, Matthew Shetrone +14

We present [C/N]-[Fe/H] abundance trends from the SDSS-IV Apache Point Observatory Galactic Evolution Experiment (APOGEE) survey, Data Release 14 (DR14), for red giant branch stars…

cs.IR2018

Montage based 3D Medical Image Retrieval from Traumatic Brain Injury Cohort using Deep Convolutional Neural Network

Cailey I. Kerley, Yuankai Huo, Shikha Chaganti +3

Brain imaging analysis on clinically acquired computed tomography (CT) is essential for the diagnosis, risk prediction of progression, and treatment of the structural phenotypes of…

astro-ph.SR2018★ 20 cited

Predicting Granulation "Flicker" and Radial Velocity "Jitter" from Spectroscopic Observables

Jamie Tayar, Keivan G. Stassun, Enrico Corsaro

Surface granulation can be predicted with the mass, metallicity, and frequency of maximum power of a star. Using the orders-of-magnitude larger APOGEE-Kepler sample, we recalibrate…

astro-ph.IM2018★ 356 cited

The Fifteenth Data Release of the Sloan Digital Sky Surveys: First Release of MaNGA Derived Quantities, Data Visualization Tools and Stellar Library

D. S. Aguado, Romina Ahumada, Andres Almeida +230

Twenty years have passed since first light for the Sloan Digital Sky Survey (SDSS). Here, we release data taken by the fourth phase of SDSS (SDSS-IV) across its first three years o…

math.CO2018★ 1 cited

The Chvátal-Erdős condition for prism-Hamiltonicity

M. N. Ellingham, Pouria Salehi Nowbandegani

The prism over a graph is the cartesian product . It is known that the property of having a Hamiltonian prism (prism-Hamiltonicity) is stronger than that of having…

astro-ph.CO2018★ 38 cited

The Secondary Spin Bias of Dark Matter Haloes

James W. Johnson, Ariyeh H. Maller, Andreas A. Berlind +2

We investigate the role of angular momentum in the clustering of dark matter haloes. We make use of data from two high-resolution N-body simulations spanning over four orders of ma…

hep-ex2018★ 76 cited

Measurement of the top quark mass in the all-jets final state at 13 TeV and combination with the lepton+jets channel

CMS Collaboration

A top quark mass measurement is performed using 35.9 fb of LHC proton-proton collision data collected with the CMS detector at 13 TeV. The measurement uses the…

hep-ex2018★ 88 cited

Measurement of the differential Drell-Yan cross section in proton-proton collisions at 13 TeV

CMS Collaboration

Measurements of the differential cross section for the Drell-Yan process, based on proton-proton collision data at a centre-of-mass energy of 13 TeV, collected by the CMS experimen…

hep-ex2018★ 47 cited

Measurement of the single top quark and antiquark production cross sections in the channel and their ratio in proton-proton collisions at 13 TeV

CMS Collaboration

Measurements of the cross sections for the production of single top quarks and antiquarks in the channel, and their ratio, are presented for proton-proton collisions at a cente…

hep-ex2018★ 114 cited

Measurement of the production cross section, the top quark mass, and the strong coupling constant using dilepton events in pp collisions at 13 TeV

CMS Collaboration

A measurement of the top quark-antiquark pair production cross section in proton-proton collisions at a centre-of-mass energy of 13 TeV is presented. T…

hep-ex2018★ 26 cited

Search for contact interactions and large extra dimensions in the dilepton mass spectra from proton-proton collisions at 13 TeV

CMS Collaboration

A search for nonresonant excesses in the invariant mass spectra of electron and muon pairs is presented. The analysis is based on data from proton-proton collisions at a center-of-…

hep-ex2018★ 53 cited

Search for vector-like quarks in events with two oppositely charged leptons and jets in proton-proton collisions at 13 TeV

CMS Collaboration

A search for the pair production of heavy vector-like partners T and B of the top and bottom quarks has been performed by the CMS experiment at the CERN LHC using proton-proton col…

astro-ph.SR2018★ 11 cited

The Time-Domain Spectroscopic Survey: Radial Velocity Variability in Dwarf Carbon Stars

Benjamin R. Roulston, Paul J. Green, John J. Ruan +6

Dwarf carbon (dC) stars, main sequence stars showing carbon molecular bands, were initially thought to be an oxymoron since only AGB stars dredge carbon into their atmospheres. Mas…

math.CV2018

Perturbations of Christoffel-Darboux kernels. I: detection of outliers

Bernhard Beckermann, Mihai Putinar, Edward B. Saff +1

Two central objects in constructive approximation, the Christoffel-Darboux kernel and the Christoffel function, are encoding ample information about the associated moment data and…

hep-ex2018★ 15 cited

Search for a heavy resonance decaying to a top quark and a vector-like top quark in the lepton+jets final state in pp collisions at 13 TeV

CMS Collaboration

A search is presented for a heavy spin-1 resonance Z' decaying to a top quark and a vector-like top quark partner T in the lepton+jets final state. The search is performed using a…

hep-ex2018★ 76 cited

Search for an exotic decay of the Higgs boson to a pair of light pseudoscalars in the final state with two muons and two b quarks in pp collisions at 13 TeV

CMS Collaboration

A search for exotic decays of the Higgs boson to a pair of light pseudoscalar particles a is performed under the hypothesis that one of the pseudoscalars decays to a pair of op…

hep-ex2018★ 10 cited

Inclusive search for supersymmetry in pp collisions at 13 TeV using razor variables and boosted object identification in zero and one lepton final states

CMS Collaboration

An inclusive search for supersymmetry (SUSY) using the razor variables is performed using a data sample of proton-proton collisions corresponding to an integrated luminosity of 35.…

hep-ex2018★ 33 cited

Observation of single top quark production in association with a Z boson in proton-proton collisions at 13 TeV

CMS Collaboration

The observation of single top quark production in association with a Z boson and a quark (tZq) is reported. Events from proton-proton collisions at a center-of-mass energy of 13 Te…

hep-ex2018★ 15 cited

Measurement of the energy density as a function of pseudorapidity in proton-proton collisions at 13 TeV

CMS Collaboration

A measurement of the energy density in proton-proton collisions at a centre-of-mass energy of 13 TeV is presented. The data have been recorded with the CMS experiment…

math.AT2018★ 7 cited

A multiplicative comparison of Waldhausen and Segal K-theory

Anna Marie Bohmann, Angélica Osorno

In this paper, we establish a multiplicative equivalence between two multiplicative algebraic -theory constructions, Elmendorf and Mandell's version of Segal's -theory and Bl…

astro-ph.IM2018★ 128 cited

SDSS-IV MaStar -- A Large and Comprehensive Empirical Stellar Spectral Library: First Release

Renbin Yan, Yanping Chen, Daniel Lazarz +45

We present the first release of the MaNGA Stellar Library (MaStar), which is a large, well-calibrated, high-quality empirical library covering the wavelength range of 3,622-10,354A…

hep-ex2018★ 13 cited

Measurement of inclusive very forward jet cross sections in proton-lead collisions at 5.02 TeV

CMS Collaboration

Measurements of differential cross sections for inclusive very forward jet production in proton-lead collisions as a function of jet energy are presented. The data were collected w…