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math.GT2012

Lipschitz constants to curve complexes

Vaibhav Gadre, Eriko Hironaka, Richard P. Kent +1

We determine the asymptotic behavior of the optimal Lipschitz constant for the systole map from Teichmuller space to the curve complex.

stat.CO2012★ 185 cited

Generative Models for Functional Data using Phase and Amplitude Separation

J. Derek Tucker, Wei Wu, Anuj Srivastava

Constructing generative models for functional observations is an important task in statistical functional analysis. In general, functional data contains both phase (or x or horizon…

nucl-ex2012★ 56 cited

Medium modification of jet fragmentation in Au+Au collisions at sqrt(s_NN)=200 GeV measured in direct photon-hadron correlations

A. Adare, S. Afanasiev, C. Aidala +559

The jet fragmentation function is measured with direct photon-hadron correlations in p+p and Au+Au collisions at sqrt(s_NN)=200 GeV. The p_T of the photon is an excellent approxima…

astro-ph.HE2012★ 8 cited

Spectropolarimetry of the Type Ia SN 2007sr Two Months After Maximum Light

P. Zelaya, J. R. Quinn, D. Baade +6

We present late time spectropolarimetric observations of SN 2007sr, obtained with the VLT telescope at ESO Paranal Observatory when the object was 63 days after maximum light. The…

hep-ex2012★ 14 cited

Measurement of the combined rapidity and dependence of dijet azimuthal decorrelations in collisions at TeV

D0 Collaboration

We present the first combined measurement of the rapidity and transverse momentum dependence of dijet azimuthal decorrelations, based on the recently proposed quantity . Th…

nucl-ex2012★ 25 cited

Separated Structure Functions for Exclusive and Electroproduction at 5.5 GeV with CLAS

D. S. Carman, K. Park, B. A. Raue +1

We report measurements of the exclusive electroproduction of and final states from an unpolarized proton target using the CLAS detector at the Thomas Jefferson Nati…

cond-mat.mtrl-sci2012★ 107 cited

Successive magnetic phase transitions and multiferroicity in Spin-1 triangular lattice antiferromagnet BaNiNbO

J. Hwang, E. S. Choi, F. Ye +4

We report the magnetic and electric properties of BaNiNbO, which is a quasi-two-dimensional spin-1 triangular lattice antiferromagnet (TLAF) with trigonal structure. At…

cond-mat.str-el2012★ 10 cited

Edge spin excitations and reconstructions of integer quantum Hall liquids

Yuhui Zhang, Kun Yang

We study the effect of electron-electron interaction on the charge and spin structures at the edge of integer quantum Hall liquids, under three different kinds of confining potenti…

hep-ex2012★ 74 cited

Measurement of the t t-bar production cross section in pp collisions at sqrt(s) = 7 TeV with lepton + jets final states

CMS Collaboration

A measurement of the t t-bar production cross section in pp collisions at sqrt(s) = 7 TeV is presented. The results are based on data corresponding to an integrated luminosity of 2…

hep-ex2012★ 367 cited

Study of the mass and spin-parity of the Higgs boson candidate via its decays to Z boson pairs

CMS Collaboration

A study is presented of the mass and spin-parity of the new boson recently observed at the LHC at a mass near 125 GeV. An integrated luminosity of 17.3 inverse femtobarns, collecte…

hep-ex2012★ 54 cited

Search for supersymmetry in pp collisions at sqrt(s) = 7 TeV in events with a single lepton, jets, and missing transverse momentum

The CMS Collaboration

Results are reported from a search for new physics processes in events containing a single isolated high-transverse-momentum lepton (electron or muon), energetic jets, and large mi…

hep-ex2012★ 38 cited

Search for new physics in events with same-sign dileptons and b jets in pp collisions at sqrt(s) = 8 TeV

CMS Collaboration

A search for new physics is performed using events with isolated same-sign leptons and at least two bottom-quark jets in the final state. Results are based on a sample of proton-pr…

nucl-ex2012★ 28 cited

Measurement of transparency ratios for protons from short-range correlated pairs

O. Hen, H. Hakobyan, R. Shneor +5

Nuclear transparency, Tp(A), is a measure of the average probability for a struck proton to escape the nucleus without significant re-interaction. Previously, nuclear transparencie…

cond-mat.str-el2012★ 51 cited

Competition between the structural phase transition and superconductivity in IrPtTe as revealed by pressure effects

A. Kiswandhi, J. S. Brooks, H. B. Cao +4

Pressure-dependent transport measurements of IrPtTe are reported. With increasing pressure, the structural phase transition at high temperatures is enhanced while i…

cond-mat.str-el2012★ 11 cited

Distinguishing particle-hole conjugated Fractional Quantum Hall states using quantum dot mediated edge transport

Hsin-Hua Lai, Kun Yang

We study theoretically edge transport of a fractional quantum Hall liquid, in the presence of a quantum dot inside the Hall bar with well controlled electron density and Landau lev…

hep-ex2012★ 11 cited

Search for contact interactions in opposite-sign dimuon events in pp collisions at sqrt(s) = 7 TeV

CMS Collaboration

Results are reported from a search for the effects of contact interactions using events with a high-mass, oppositely charged muon pair. The events are collected in proton-proton co…

math.AG2012★ 54 cited

Belyi functions for hyperbolic hypergeometric-to-Heun transformations

Mark van Hoeij, Raimundas Vidunas

A complete classification of Belyi functions for transforming certain hypergeometric equations to Heun equations is given. The considered hypergeometric equations have the local ex…

hep-ph2012★ 183 cited

Global parton distributions with nuclear and finite-Q^2 corrections

J. F. Owens, A. Accardi, W. Melnitchouk

We present three new sets of next-to-leading order parton distribution functions (PDFs) determined by global fits to a wide variety of data for hard scattering processes. The analy…

math.GT2012★ 14 cited

Classification and rigidity of totally periodic pseudo-Anosov flows in graph manifolds

Thierry Barbot, Sergio R. Fenley

In this article we analyze totally periodic pseudo-Anosov flows in graph three manifolds. This means that in each Seifert fibered piece of the torus decomposition, the free homotop…

nucl-ex2012★ 3 cited

Near Threshold Neutral Pion Electroproduction at High Momentum Transfers and Generalized Form Factors

P. Khetarpal, P. Stoler, I. G. Aznauryan +157

We report the measurement of near threshold neutral pion electroproduction cross sections and the extraction of the associated structure functions on the proton in the kinematic ra…

cond-mat.supr-con2012★ 45 cited

Artificial and self-assembled pinning centers in Ba(Fe1-xCox)2As2 thin films as a route to very high current density

C. Tarantini, S. Lee, F. Kametani +7

We report on the superior vortex pinning of single and multilayer Ba(Fe1-xCox)2As2 thin films with self-assembled c-axis and artificially introduced ab-plane pins. Ba(Fe1-xCox)2As2…

cond-mat.supr-con2012★ 137 cited

Anisotropic Impurity-States, Quasiparticle Scattering and Nematic Transport in Underdoped Ca(Fe1-xCox)2As2

M. P. Allan, T. -M. Chuang, F. Massee +9

Iron-based high temperature superconductivity develops when the `parent' antiferromagnetic/orthorhombic phase is suppressed, typically by introduction of dopant atoms. But their im…

cond-mat.supr-con2012★ 35 cited

Emergence of superconductivity from the dynamically heterogeneous insulating state in La_{2-x}Sr_{x}CuO_{4}

Xiaoyan Shi, G. Logvenov, A. T. Bollinger +3

A central issue for copper oxides is the nature of the insulating ground state at low carrier densities and the emergence of high-temperature superconductivity from that state with…

cond-mat.mes-hall2012★ 12 cited

Effects of Spin Polarization in the HgTe Quantum Well

M. V. Yakunin, A. V. Suslov, S. M. Podgornykh +2

Magnetoresistivity features connected with the spin level coincidences under tilted fields in a conduction band of the HgTe quantum well were found to align along straight tr…