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19972026
most citedAncient human genomes suggest three ancestral populations for present-day Europeans

1.5k citations

Showing 2011Show all

65 papers · 1 filter

nucl-ex2011★ 21 cited

Measurement of the two-photon exchange contribution in elastic scattering at VEPP-3

A. V. Gramolin, J. Arrington, L. M. Barkov +18

We report on the status of the Novosibirsk experiment on a precision measurement of the ratio of the elastic and scattering cross sections. Such measurements de…

hep-ex2011★ 42 cited

Measurement of mixing and CP violation parameters in two-body charm decays

LHCb Collaboration, R. Aaij, C. Abellan Beteta +585

A study of mixing and indirect CP violation in D0 mesons through the determination of the parameters y_CP and A_Γ is presented. The parameter y_CP is the deviation from unity of th…

hep-ex2011★ 53 cited

Measurement of charged particle multiplicities in collisions at TeV in the forward region

LHCb Collaboration, R. Aaij, C. Abellan Beteta +589

The charged particle production in proton-proton collisions is studied with the LHCb detector at a centre-of-mass energy of TeV in different intervals of pseudorapid…

hep-ex2011★ 95 cited

Spin-Parity Analysis of ppbar Mass Threshold Structure in J/psi and psi' Radiative Decays

BESIII Collaboration

A partial wave analysis of the mass-threshold enhancement in the reaction is used to determine: its quantum numbers to be ; i…

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…

physics.ins-det2011★ 68 cited

Advances in Cryogenic Avalanche Detectors

A. Buzulutskov

Cryogenic Avalanche Detectors (CRADs) are referred to as a new class of noble-gas detectors operated at cryogenic temperatures with electron avalanching performed directly in the d…

hep-ex2011★ 179 cited

Observation of X(3872) production in pp collisions at sqrt(s)= 7 TeV

LHCb Collaboration, R. Aaij, C. Abellan Beteta +585

Using 34.7 pb-1 of data collected with the LHCb detector, the inclusive production of the X(3872) meson in pp collisions at sqrt(s) = 7 TeV is observed for the first time. Candidat…

hep-ex2011★ 20 cited

Observation of Bs -> J/ψf'2(1525) in J/ψK+K- final states

LHCb Collaboration, R. Aaij, C. Abellan Beteta +583

The decay Bs -> J/ψK+ K- is investigated using 0.16/fb of data collected with the LHCb detector using 7 TeV pp collisions. Although the J/ψϕ channel is well known, final states at…

hep-ex2011★ 68 cited

Measurement of the B^0_s - \bar{B}^0_s oscillation frequency Delta m_s in B^0_s -> D_s^-(3) pi decays

LHCb Collaboration, R. Aaij, C. Abellan Beteta +579

The B^0_s-\bar{B}^0_s oscillation frequency Delta m_s is measured with 36 pb^{-1} of data collected in pp collisions at \sqrt{s} = 7 TeV by the LHCb experiment at the Large Hadron…

hep-ex2011★ 90 cited

Differential branching fraction and angular analysis of the decay

LHCb Collaboration, R. Aaij, C. Abellan Beteta +585

The angular distributions and the partial branching fraction of the decay are studied using an integrated luminosity of of data c…

hep-ex2011★ 133 cited

Measurement of the CP-violating phase phi_s in the decay Bs->J/psi phi

LHCb Collaboration, R. Aaij, C. Abellan Beteta +585

We present a measurement of the time-dependent CP-violating asymmetry in B_s -> J/psi phi decays, using data collected with the LHCb detector at the LHC. The decay time distributio…

hep-ph2011★ 10 cited

Charge asymmetry in the differential cross section of high-energy e+e- photoproduction in the field of a heavy atom

R. N. Lee, A. I. Milstein, V. M. Strakhovenko

First quasiclassical correction to the differential cross section of high-energy electron-positron photoproduction in the electric field of a heavy atom is obtained with the exact…

hep-ex2011★ 23 cited

First observation of the decay and a measurement of the ratio of branching fractions

LHCb Collaboration, R. Aaij, C. Abellan Beteta +578

The first observation of the decay using data collected by the LHCb detector at a centre-of-mass energy of 7 TeV, corresponding to an integrated l…

cond-mat.str-el2011★ 12 cited

Anomalous resistivity and the electron-polaron effect in the two-band Hubbard model with one narrow band

M. Yu. Kagan, V. V. Val'kov

We search for anomalous normal and superconductive behavior in the two-band Hubbard model with one narrow band. We analyze the influence of electron-polaron effect and Altshuler-Ar…

hep-ex2011★ 212 cited

Measurement of b hadron production fractions in 7 TeV pp collisions

The LHCb Collaboration, R. Aaij, C. Abellan Beteta +587

Measurements of hadron production ratios in proton-proton collisions at a centre-of-mass energy of 7 TeV with an integrated luminosity of 3 pb are presented. We study th…

cond-mat.supr-con2011★ 72 cited

Gap Symmetry in KFe_2As_2 and cos 4θgap component in LiFeAs

S. Maiti, M. M. Korshunov, A. V. Chubukov

We revisit the issue of the gap symmetry in KFe2As2, which is an Fe-pnictide superconductor with only hole pockets. Previous theoretical studies mostly argued for a d-wave gap in K…

cond-mat.str-el2011★ 3 cited

P-T phase diagram of iron arsenide superconductor NdFeAsO0.88F0.12

Alexander G. Gavriliuk, Viktor V. Struzhkin, Sergey G. Ovchinnikov +5

NdFeAsO0.88F0.12 belongs to the recently discovered family of high-TC iron-based superconductors. The influence of high pressure on transport properties of this material has been s…

physics.optics2011★ 34 cited

Voltage-induced defect mode interaction in a one-dimensional photonic crystal with a twisted-nematic defect layer

Ivan V. Timofeev, Yu-Ting Lin, Vladimir A. Gunyakov +5

Defect modes are investigated in a band gap of an electrically tunable one-dimensional photonic crystal infiltrated with a twisted-nematic liquid crystal (1D PC/TN). Their frequenc…

hep-ex2011★ 33 cited

Search for CP violation in decays

LHCb Collaboration, R. Aaij, B. Adeva +573

A model-independent search for direct CP violation in the Cabibbo suppressed decay in a sample of approximately 370,000 decays is carried out. The data were co…

hep-ex2011★ 610 cited

Observation of two charged bottomonium-like resonances in Y(5S) decays

the Belle Collaboration

We report the observation of two narrow structures in the mass spectra of the pi+-Y(nS) (n=1,2,3) and pi+-hb(mP)(m$ (m=1,2) pairs that are produced in association with a single cha…

hep-ex2011★ 12 cited

Evidence for Direct CP Violation in and Observation of

C. -T. Hoi, P. Chang

We report measurements of the branching fractions and CP asymmetries for B^+- -> eta h^+- (h = K or pi) and the observation of the decay B^0 -> eta K^0 from the final data sample o…

hep-ex2011★ 21 cited

Search for CP Violation in D Meson Decays to phi pi+

Belle Collaboration, M. Starič, H. Aihara +132

We search for CP violation in Cabibbo-suppressed charged D meson decays by measuring the difference between the CP violating asymmetries for the Cabibbo-suppressed decays D+ -> K+K…

math.RA2011★ 12 cited

(n+1)-Ary derivations of simple Malcev algebras

Ivan Kaygorodov

We defined (n+1)-ary derivations of n-ary algebras. We described 3-derivations of simple Malcev algebras and 4-ary derivations of simple ternary Malcev algebra M_8.

physics.geo-ph2011★ 17 cited

Dispersive waves generated by an underwater landslide

Denys Dutykh, Dimitrios Mitsotakis, Sonya Beysel +1

In this work we study the generation of water waves by an underwater sliding mass. The wave dynamics are assumed to fell into the shallow water regime. However, the characteristic…