output
19912026
Showing 2011Show all

507 papers · 1 filter

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…

astro-ph.HE2011★ 73 cited

Fermi Detection of γ-ray emission from the M2 Soft X-ray Flare on 2010 June 12

Fermi GBM Collaboration, Fermi LAT Collaboration, B. R. Dennis +2

The GOES M2-class solar flare, SOL2010-06-12T00:57, was modest in many respects yet exhibited remarkable acceleration of energetic particles. The flare produced an ~50 s impulsive…

astro-ph.CO2011★ 69 cited

Dissecting early-type dwarf galaxies into their multiple components

J. Janz, E. Laurikainen, T. Lisker +8

Early-type dwarf galaxies, once believed to be simple systems, have recently been shown to exhibit an intriguing diversity in structure and stellar content. To analyze this further…

physics.ins-det2011

Metastable Staus: Reconstructing Non-Prompt Tracks at the ILC with the SiD Detector

Christopher Betancourt, F. Alexander Bogert, Bruce A. Schumm

We have explored the reconstruction of kinks from the decay of metastable staus into a gravitino and a stau lepton in the radial region between the outer layer of the vertex detect…

physics.ins-det2011

Generic Microstrip R&D Topics at SCIPP: Longitudinal Charge Division and Length Limitations for Long Strips

Jerome K. Carman, Vitaliy Fadeyev, Khilesh Mistry +4

We discuss results on the use of charge division to estimate the longitudinal position of charge deposition in silicon microstrip sensors, and on the intrinsic noise limitation of…

astro-ph.SR2011★ 124 cited

A new model for mixing by double-diffusive convection (semi-convection): I. The conditions for layer formation

Giovanni M. Mirouh, Pascale Garaud, Stephan Stellmach +2

The process referred to as "semi-convection" in astrophysics and "double-diffusive convection in the diffusive regime" in Earth and planetary sciences, occurs in stellar and planet…

astro-ph.EP2011★ 187 cited

Two Earth-sized planets orbiting Kepler-20

Francois Fressin, Guillermo Torres, Jason F. Rowe +33

Since the discovery of the first extrasolar giant planets around Sun-like stars, evolving observational capabilities have brought us closer to the detection of true Earth analogues…

astro-ph.CO2011★ 68 cited

VERITAS Observations of day-scale flaring of M87 in 2010 April

E. Aliu, T. Arlen, T. Aune +88

VERITAS has been monitoring the very-high-energy (VHE; >100GeV) gamma-ray activity of the radio galaxy M87 since 2007. During 2008, flaring activity on a timescale of a few days wa…

astro-ph.CO2011★ 113 cited

The ongoing assembly of a central cluster galaxy: Phase-space substructures in the halo of M87

Aaron J. Romanowsky, Jay Strader, Jean P. Brodie +5

The halos of galaxies preserve unique records of their formation histories. We carry out the first combined observational and theoretical study of phase-space halo substructure in…

hep-ph2011★ 283 cited

Implications of a 125 GeV Higgs for the MSSM and Low-Scale SUSY Breaking

Patrick Draper, Patrick Meade, Matthew Reece +1

Recently, the ATLAS and CMS collaborations have announced exciting hints for a Standard Model-like Higgs boson at a mass of approximately 125 GeV. In this paper, we explore the pot…

hep-ex2011★ 26 cited

Measurement of ZZ production in leptonic final states at {\surd}s of 1.96 TeV at CDF

T. Aaltonen, B. Alvarez Gonzalez, S. Amerio +512

In this paper we present a precise measurement of the total ZZ production cross section in pp collisions at {\surd}s= 1.96 TeV, using data collected with the CDF II detector corres…

astro-ph.IM2011★ 64 cited

The Impact of Recent Advances in Laboratory Astrophysics on our Understanding of the Cosmos

D. W. Savin, N. S. Brickhouse, J. J. Cowan +11

An emerging theme in modern astrophysics is the connection between astronomical observations and the underlying physical phenomena that drive our cosmos. Both the mechanisms respon…

astro-ph.CO2011★ 19 cited

The Role of Galaxy Interaction in Environmental Dependence of the Star Formation Activity at z~1.2

Yuko Ideue, Yoshiaki Taniguchi, Tohru Nagao +9

In order to understand environmental effects on star formation in high-redshift galaxies, we investigate the physical relationships between the star formation activity, stellar mas…

astro-ph.EP2011★ 40 cited

Constraining the interior of extrasolar giant planets with the tidal Love number k_2 using the example of HAT-P-13b

U. Kramm, N. Nettelmann, J. J. Fortney +2

Transit and radial velocity observations continuously discover an increasing number of exoplanets. However, when it comes to the composition of the observed planets the data are co…

math.QA2011

Some finite properties for vertex operator superalgebras

Chongying Dong, Jianzhi Han

Vertex operator superalgebras are studied and various results on rational Vertex operator superalgebras are obtained. In particular, the vertex operator super subalgebras generated…

hep-ex2011★ 47 cited

Measurement of the CP-Violating Phase beta_s in B0s -> J/Psi Phi Decays with the CDF II Detector

CDF Collaboration, T. Aaltonen

We present a measurement of the \CP-violating parameter \betas using approximately 6500 $\BsJpsiPhi$ decays reconstructed with the CDF\,II detector in a sample of collisi…

astro-ph.EP2011★ 245 cited

Kepler-22b: A 2.4 Earth-radius Planet in the Habitable Zone of a Sun-like Star

William J. Borucki, David G. Koch, Natalie Batalha +80

A search of the time-series photometry from NASA's Kepler spacecraft reveals a transiting planet candidate orbiting the 11th magnitude G5 dwarf KIC 10593626 with a period of 290 da…

hep-ex2011★ 5 cited

Search for new phenomena in events with two bosons and missing transverse momentum in collisions at TeV

T. Aaltonen, B. Alvarez Gonzalez, S. Amerio +512

We present a search for new phenomena in events with two reconstructed bosons and large missing transverse momentum, sensitive to processes $p\bar{p}\rightarrow X_2X_2 \rightar…

math.AC2011★ 3 cited

A generalization of the Pontryagin-Hill theorems to projective modules over Prüfer domains

J. E. Macías-Díaz

Motivated by the Pontryagin-Hill criteria of freeness for abelian groups, we investigate conditions under which unions of ascending chains of projective modules are again projectiv…

math.NA2011★ 85 cited

Geometric integration on spheres and some interesting applications

Debra Lewis, Nilima Nigam

Geometric integration theory can be employed when numerically solving ODEs or PDEs with constraints. In this paper, we present several one-step algorithms of various orders for ODE…

astro-ph.CO2011★ 48 cited

Luminous and High Stellar Mass Candidate Galaxies at z ~ 8 Discovered in CANDELS

Haojing Yan, Steven L. Finkelstein, Kuang-Han Huang +26

One key goal of the Hubble Space Telescope Cosmic Assembly Near-Infrared Deep Extragalactic Legacy Survey is to track galaxy evolution back to z ~ 8. Its two-tiered "wide and deep"…

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…