Showing 2011Show all

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hep-ex2011★ 448 cited

Jet energy measurement with the ATLAS detector in proton-proton collisions at sqrt(s) = 7 TeV

ATLAS Collaboration

The jet energy scale (JES) and its systematic uncertainty are determined for jets measured with the ATLAS detector at the LHC in proton-proton collision data at a centre-of-mass en…

cs.LG2011

Alignment Based Kernel Learning with a Continuous Set of Base Kernels

Arash Afkanpour, Csaba Szepesvari, Michael Bowling

The success of kernel-based learning methods depend on the choice of kernel. Recently, kernel learning methods have been proposed that use data to select the most appropriate kerne…

astro-ph.HE2011★ 97 cited

Multi-year search for dark matter annihilations in the Sun with the AMANDA-II and IceCube detectors

IceCube Collaboration, R. Abbasi, Y. Abdou +258

A search for an excess of muon-neutrinos from dark matter annihilations in the Sun has been performed with the AMANDA-II neutrino telescope using data collected in 812 days of live…

math.PR2011★ 2 cited

On drift parameter estimation in models with fractional Brownian motion

Yuriy Kozachenko, Alexander Melnikov, Yuliya Mishura

We consider a stochastic differential equation involving standard and fractional Brownian motion with unknown drift parameter to be estimated. We investigate the standard maximum l…

hep-ph2011★ 10 cited

Two-loop electroweak corrections to high energy large-angle Bhabha scattering

A. A. Penin, G. Ryan

We compute the dominant logarithmically enhanced two-loop electroweak corrections to the electron-positron scattering differential cross section in the high energy limit for large…

hep-ph2011★ 43 cited

Photon-photon scattering: a tutorial

Yi Liang, Andrzej Czarnecki

Long-established results for the low-energy photon-photon scattering, gamma gamma --> gamma gamma, have recently been questioned. We analyze that claim and demonstrate that it is i…

astro-ph.HE2011★ 41 cited

Optical counterpart of HLX-1 during the 2010 outburst

Roberto Soria, Pasi Hakala, George Hau +2

We studied the optical counterpart of the intermediate-mass black hole candidate HLX-1 in ESO 243-49. We used a set of Very Large Telescope imaging observations from 2010 November,…

hep-ex2011★ 215 cited

Measurement of inclusive jet and dijet production in pp collisions at sqrt(s) = 7 TeV using the ATLAS detector

ATLAS Collaboration

Inclusive jet and dijet cross sections have been measured in proton-proton collisions at a centre-of-mass energy of 7 TeV using the ATLAS detector at the Large Hadron Collider. The…

hep-ex2011★ 43 cited

Search for heavy vector-like quarks coupling to light quarks in proton-proton collisions at sqrt(s) = 7 TeV with the ATLAS detector

ATLAS Collaboration

This letter presents a search for singly produced vector-like quarks, Q, coupling to light quarks, q. The search is sensitive to both charged current (CC) and neutral current (NC)…

hep-ex2011★ 106 cited

Observation of a new chi_b state in radiative transitions to Upsilon(1S) and Upsilon(2S) at ATLAS

ATLAS Collaboration

The chi_b(nP) quarkonium states are produced in proton-proton collisions at the Large Hadron Collider (LHC) at sqrt(s) = 7 TeV and recorded by the ATLAS detector. Using a data samp…

cond-mat.mes-hall2011★ 8 cited

Microfluidic and Nanofluidic Cavities for Quantum Fluids Experiments

A. Duh, A. Suhel, B. D. Hauer +4

The union of quantum fluids research with nanoscience is rich with opportunities for new physics. The relevant length scales in quantum fluids, 3He in particular, are comparable to…

hep-ex2011★ 47 cited

Search for first generation scalar leptoquarks in pp collisions at sqrt(s) = 7 TeV with the ATLAS detector

ATLAS Collaboration

We report a search for first generation scalar leptoquarks using 1.03 fb^-1 of proton-proton collisions data produced by the Large Hadron Collider at sqrt(s)=7 TeV and recorded by…

hep-ex2011★ 42 cited

Measurement of D*+/- meson production in jets from pp collisions at sqrt(s) = 7 TeV with the ATLAS detector

ATLAS Collaboration

This paper reports a measurement of D*+/- meson production in jets from proton-proton collisions at a center-of-mass energy of sqrt(s) = 7 TeV at the CERN Large Hadron Collider. Th…

hep-ex2011★ 85 cited

Search for scalar bottom pair production with the ATLAS detector in pp collisions at sqrt(s) = 7 TeV

ATLAS Collaboration

The results of a search for pair production of the scalar partners of bottom quarks in 2.05 fb^-1 of pp collisions at sqrt{s} = 7 TeV using the ATLAS experiment are reported. Scala…

hep-ex2011★ 32 cited

Precision muon decay measurements and improved constraints on the weak interaction

TWIST Collaboration, A. Hillairet, R. Bayes +28

The TWIST Collaboration has completed its measurement of the three muon decay parameters ρ, δ, and P_μξ. This paper describes our determination of ρ, which governs the shape of the…

hep-ex2011★ 14 cited

Search for production of resonant states in the photon-jet mass distribution using pp collisions at sqrt(s) = 7 TeV collected by the ATLAS detector

ATLAS Collaboration

This Letter describes a model-independent search for production of new resonant states in photon-jet events in 2.11 fb^-1 of proton-proton collisions at sqrt(s) = 7 TeV. We compare…

hep-ex2011★ 57 cited

Search for the Higgs boson in the H->WW(*)->lvlv decay channel in pp collisions at sqrt(s) = 7 TeV with the ATLAS detector

ATLAS Collaboration

A search for the Higgs boson has been performed in the H->WW->lvlv channel (l=e/mu) with an integrated luminosity of 2.05/fb of pp collisions at sqrt(s) = 7 TeV collected with the…

astro-ph.CO2011★ 120 cited

Feeding compact bulges and supermassive black holes with low angular-momentum cosmic gas at high redshift

Yohan Dubois, Christophe Pichon, Martin Haehnelt +4

We use cosmological hydrodynamical simulations to show that a significant fraction of the gas in high redshift rare massive halos falls nearly radially to their very centre on extr…

hep-ex2011★ 62 cited

Search for extra dimensions using diphoton events in 7 TeV proton-proton collisions with the ATLAS detector

ATLAS Collaboration

Using data recorded in 2011 with the ATLAS detector at the Large Hadron Collider, a search for evidence of extra spatial dimensions has been performed through an analysis of the di…

cs.LG2011★ 1 cited

Multi-timescale Nexting in a Reinforcement Learning Robot

Joseph Modayil, Adam White, Richard S. Sutton

The term "nexting" has been used by psychologists to refer to the propensity of people and many other animals to continually predict what will happen next in an immediate, local, a…

astro-ph.HE2011★ 56 cited

Searching for soft relativistic jets in Core-collapse Supernovae with the IceCube Optical Follow-up Program

The IceCube Collaboration, R. Abbasi, Y. Abdou +262

Context. Transient neutrino sources such as Gamma-Ray Bursts (GRBs) and Supernovae (SNe) are hypothesized to emit bursts of high-energy neutrinos on a time-scale of \lesssim 100 s.…

cs.IT2011★ 1 cited

Connecting Spatially Coupled LDPC Code Chains

Dmitri Truhachev, David G. M. Mitchell, Michael Lentmaier +1

Codes constructed from connected spatially coupled low-density parity-check code (SC-LDPCC) chains are proposed and analyzed. It is demonstrated that connecting coupled chains resu…

nucl-ex2011★ 17 cited

The Majorana experiment: an ultra-low background search for neutrinoless double-beta decay

D. G. Phillips, E. Aguayo, F. T. Avignone +86

The observation of neutrinoless double-beta decay would resolve the Majorana nature of the neutrino and could provide information on the absolute scale of the neutrino mass. The in…

hep-ph2011★ 5 cited

Muon decay in orbit spectra for muon-electron conversion experiments

Andrzej Czarnecki, Xavier Garcia i Tormo, William J. Marciano

We have determined in detail the electron spectrum in the decay of bound muons. These results are especially relevant for the upcoming muon-electron conversion experiments.