University of Bonn

researchers with a paper here

Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

collaborating institutions

Showing 2012Show all

561 papers · 1 filter

hep-ex2012★ 36 cited

Multi-channel search for squarks and gluinos in sqrt(s)=7 TeV pp collisions with the ATLAS detector

ATLAS Collaboration

A search for supersymmetric particles in final states with zero, one, and two leptons, with and without jets identified as originating from b-quarks, in 4.7 fb-1 of sqrt(s)=7 TeV p…

astro-ph.GA2012★ 161 cited

The thermal state of molecular clouds in the Galactic Center: evidence for non-photon-driven heating

Y. Ao, C. Henkel, K. M. Menten +6

We used the Atacama Pathfinder Experiment (APEX) 12 m telescope to observe the J_KaKc=3_03-2_02, 3_22-2_21, and 3_21-2_20 transitions of para-H_2CO at 218 GHz simultaneously to det…

astro-ph.SR2012★ 573 cited

The rotation rates of massive stars: the role of binary interaction through tides, mass transfer and mergers

S. E. de Mink, N. Langer, R. G. Izzard +2

Rotation is thought to be a major factor in the evolution of massive stars, especially at low metallicity, with consequences for their chemical yields, ionizing flux and final fate…

hep-ph2012★ 31 cited

Improving the Hadron Physics of Non-Standard-Model Decays: Example Bounds on R-parity Violation

J. T. Daub, H. K. Dreiner, C. Hanhart +2

Using the example of selected decays driven by R-parity-violating supersymmetric operators, we demonstrate how strong final-state interactions can be controlled quantitatively with…

astro-ph.CO2012★ 61 cited

Distant galaxy clusters in the XMM Large Scale Structure survey

J. P. Willis, N. Clerc, M. N. Bremer +12

(Abridged) Distant galaxy clusters provide important tests of the growth of large scale structure in addition to highlighting the process of galaxy evolution in a consistently defi…

hep-ph2012★ 33 cited

Extracting $π π$ $S$ -wave scattering lengths from cusp effect in heavy quarkonium dipion transitions

Xiao-Hai Liu, Feng-Kun Guo, Evgeny Epelbaum

Charge-exchange rescattering $π^{+} π^{-} \to π^{0} π^{0}$ leads to a cusp effect in the $π^{0} π^{0}$ invariant mass spectrum of processes with $π^{0} π^{0}$ in the final state which can be used to me…

astro-ph.CO2012★ 127 cited

CFHTLenS tomographic weak lensing: Quantifying accurate redshift distributions

Jonathan Benjamin, Ludovic Van Waerbeke, Catherine Heymans +18

The Canada-France-Hawaii Telescope Lensing Survey (CFHTLenS) comprises deep multi-colour (u*g'r'i'z') photometry spanning 154 square degrees, with accurate photometric redshifts an…

astro-ph.EP2012★ 136 cited

3D Gas Dynamic Simulation of the Interaction Between the Exoplanet WASP-12b and Its Host Star

D. Bisikalo, P. Kaygorodov, D. Ionov +3

HST transit observations in the near-UV performed in 2009 made WASP-12b one of the most "mysterious" exoplanets; the system presents an early-ingress, which can be explained by the…

nucl-ex2012★ 128 cited

Isospin Decomposition of the Basic Double-Pionic Fusion in the Region of the ABC Effect

P. Adlarson, W. Augustyniak, W. Bardan +111

Exclusive and kinematically complete high-statistics measurements of the basic double pionic fusion reactions pn -> dpi0pi0, pn -> d pi+pi- and pp -> dpi+pi0 have been carried out…

astro-ph.CO2012★ 63 cited

Inferring the mass of sub-millimetre galaxies by exploiting their gravitational magnification of background galaxies

H. Hildebrandt, L. van Waerbeke, D. Scott +25

Dust emission at sub-millimetre wavelengths allows us to trace the early phases of star formation in the Universe. In order to understand the physical processes involved in this mo…

cond-mat.mes-hall2012★ 13 cited

Determining molecule diffusion coefficients on surfaces from a locally fixed probe: On the analysis of signal fluctuations

Susanne Hahne, Julian Ikonomov, Moritz Sokolowski +1

Methods of determining surface diffusion coefficients of molecules from signal fluctuations of a locally fixed probe are revisited and refined. Particular emphasis is put on the in…

astro-ph.SR2012★ 142 cited

The VLT-FLAMES Tarantula Survey X: Evidence for a bimodal distribution of rotational velocities for the single early B-type stars

P. L. Dufton, N. Langer, P. R. Dunstall +12

Aims: Projected rotational velocities (\vsini) have been estimated for 334 targets in the VLT-FLAMES Tarantula survey that do not manifest significant radial velocity variations an…

physics.ins-det2012★ 36 cited

DEPFET active pixel detectors for a future linear $e^{+} e^{-}$ collider

O. Alonso, R. Casanova, A. Dieguez +84

The DEPFET collaboration develops highly granular, ultra-transparent active pixel detectors for high-performance vertex reconstruction at future collider experiments. The character…

hep-lat2012★ 52 cited

Lattice investigation of the scalar mesons a_0(980) and κ using four-quark operators

Constantia Alexandrou, Jan Oliver Daldrop, Mattia Dalla Brida +4

We carry out an exploratory study of the isospin one a0(980) and the isospin one-half kappa scalar mesons using Nf=2+1+1 Wilson twisted mass fermions at one lattice spacing. The va…

hep-ph2012★ 26 cited

The heterotic MiniLandscape and the 126 GeV Higgs boson

Marcin Badziak, Sven Krippendorf, Hans Peter Nilles +1

The MSSM candidates arising from the heterotic MiniLandscape feature a very constrained supersymmetry breaking pattern. This includes a fully predictable gaugino mass pattern, whic…

hep-ex2012★ 69 cited

Leading and Next-to-Leading Order Gluon Polarisation in the Nucleon and Longitudinal Double Spin Asymmetries from Open Charm Muoproduction

C. Adolph, M. G. Alekseev, V. Yu. Alexakhin +217

The gluon polarisation in the nucleon was measured using open charm production by scattering 160 GeV/c polarised muons off longitudinally polarised protons or deuterons. The data w…

hep-ex2012★ 7 cited

D* and D Meson Production in Muon Nucleon Interactions at 160 GeV/c

C. Adolph, M. G. Alekseev, V. Yu. Alexakhin +217

The production of D* and D mesons in inelastic scattering of 160 GeV/c muons off a ^6LiD target has been investigated with the COMPASS spectrometer at CERN for 0.003 (GeV/c)^2 < Q^…

hep-ex2012★ 14 cited

Measurement of the inclusive semileptonic branching fraction $B (B_{s}^{0} \to X^{-} ℓ^{+} ν_{ℓ})$ at Belle

Belle Collaboration, C. Oswald, P. Urquijo +172

We report a measurement of the inclusive semileptonic $B_{s}^{0}$ branching fraction in a $121 f b^{- 1}$ data sample collected near the $Υ (5 S)$ resonance with the Belle detector at the…

hep-ex2012★ 22 cited

Search for CP Violation in the Decay $D^{+} \to K_{S}^{0} K^{+}$

B. R. Ko, E. Won, I. Adachi +142

We search for CP violation in the decay $D^{+} \to K_{S}^{0} K^{+}$ using a data sample with an integrated luminosity of 977 fb $^{- 1}$ collected with the Belle detector at the KEKB…

math.RT2012★ 1 cited

Fusion rings for quantum groups

Henning Haahr Andersen, Catharina Stroppel

We study the fusion rings of tilting modules for a quantum group at a root of unity modulo the tensor ideal of negligible tilting modules. We identify them in type A with the combi…

math-ph2012★ 8 cited

Perturbed GUE Minor Process and Warren's Process with Drifts

Patrik L. Ferrari, René Frings

We consider the minor process of (Hermitian) matrix diffusions with constant diagonal drifts. At any given time, this process is determinantal and we provide an explicit expression…

math.PR2012★ 44 cited

Asymptotic domino statistics in the Aztec diamond

Sunil Chhita, Kurt Johansson, Benjamin Young

We study random domino tilings of the Aztec diamond with different weights for horizontal and vertical dominoes. A domino tiling of an Aztec diamond can also be described by a part…

hep-ex2012★ 21 cited

A search for prompt lepton-jets in pp collisions at sqrt(s) = 7 TeV with the ATLAS detector