Horia Hulubei National Institute for R and D in Physics and Nuclear Engineering

output

19972026

J / ψ p

resonances consistent with pentaquark states in

Λ_{b}^{0} \to J / ψ K^{-} p

decays

1.3k citations

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

102 papers · 1 filter

hep-ex2012★ 11 cited

First observation of the decays $B ˉ_{(s)}^{0} \to D_{s}^{+} K^{-} π^{+} π^{-}$ and $B ˉ_{s}^{0} \to D_{s 1} (2536)^{+} π^{-}$

LHCb collaboration, R. Aaij, C. Abellan Beteta +621

The first observation of the decays $B ˉ_{s}^{0} \to D_{s}^{+} K^{-} π^{+} π^{-}$ and $B ˉ^{0} \to D_{s}^{+} K^{-} π^{+} π^{-}$ are reported using an integrated luminosity of 1.0 fb $^{- 1}$ recorded by the…

hep-ph2012★ 16 cited

Higgs diphoton rate enhancement from supersymmetric physics beyond the MSSM

Marcus Berg, Igor Buchberger, D. M. Ghilencea +1

We show that supersymmetric "new physics" beyond the MSSM can naturally accommodate a Higgs mass near 126 GeV and enhance the signal rate in the Higgs to diphoton channel, while th…

nucl-ex2012★ 17 cited

Search for Superscreening effect in Superconductor

P. Ujic, F. de Oliveira Santos, M. Lewitowicz +17

The decay of $^{19}$ O( $β^{-}$ ) and $^{19}$ Ne( $β^{+}$ ) implanted in niobium in its superconducting and metallic phase was measured using purified radioactive beams produced by the SPIRA…

astro-ph.HE2012★ 102 cited

Constraints on the origin of cosmic rays above $1 0^{18}$ eV from large scale anisotropy searches in data of the Pierre Auger Observatory

Pierre Auger Collaboration

A thorough search for large scale anisotropies in the distribution of arrival directions of cosmic rays detected above $1 0^{18}$ eV at the Pierre Auger Observatory is reported. For…

hep-th2012★ 25 cited

Geometric algebra techniques in flux compactifications (II)

Calin-Iuliu Lazaroiu, Elena-Mirela Babalic

We study constrained generalized Killing spinors over the metric cone and cylinder of a (pseudo-)Riemannian manifold, developing a toolkit which can be used to investigate certain…

hep-th2012★ 18 cited

Geometric algebra techniques in flux compactifications

Calin-Iuliu Lazaroiu, Elena-Mirela Babalic, Ioana-Alexandra Coman

We study `constrained generalized Killing (s)pinors', which characterize supersymmetric flux compactifications of supergravity theories. Using geometric algebra techniques, we give…

hep-ex2012★ 17 cited

Measurement of CP observables in B0 -> D K*0 with D -> K+ K-

LHCb collaboration, R. Aaij, C. Abellan Beteta +625

The decay B0 -> D K*0 and the charge conjugate mode are studied using 1.0fb-1 of pp collision data collected by the LHCb experiment at sqrt(s) = 7TeV in 2011. The CP asymmetry betw…

hep-ex2012★ 26 cited

Measurement of the forward energy flow in pp collisions at sqrt(s)=7 TeV

LHCb collaboration, R. Aaij, C. Abellan Beteta +628

The energy flow created in pp collisions at sqrt(s)=7 TeV is studied within the pseudorapidity range 1.9<eta<4.9 with data collected by the LHCb experiment. The measurements are pe…

quant-ph2012★ 7 cited

Quantum Measurement and Initial Conditions

Ovidiu Cristinel Stoica

Quantum measurement finds the observed system in a collapsed state, rather than in the state predicted by the Schrödinger equation. Yet there is a relatively spread opinion that th…

hep-ex2012★ 53 cited

Measurement of J/psi production in pp collisions at sqrt(s)=2.76 TeV

LHCb collaboration, R. Aaij, C. Abellan Beteta +624

The production of J/psi mesons is studied with the LHCb detector using data from pp collisions at sqrt(s)=2.76 TeV corresponding to an integrated luminosity of 71 nb^-1. The differ…

astro-ph.HE2012★ 77 cited

A Search for Point Sources of EeV Neutrons

The Pierre Auger Collaboration

A thorough search of the sky exposed at the Pierre Auger Cosmic Ray Observatory reveals no statistically significant excess of events in any small solid angle that would be indicat…

nucl-ex2012★ 7 cited

High-spin structure in $^{40}$ K

P. -A. Söderström, F. Recchia, J. Nyberg +74

High-spin states of $^{40}$ K have been populated in the fusion-evaporation reaction $^{12}$ C( $^{30}$ Si,np) $^{40}$ K and studied by means of $γ$ -ray spectroscopy techniques using one…

hep-ex2012★ 391 cited

First evidence for the decay Bs -> mu+ mu-

LHCb collaboration, R. Aaij, C. Abellan Beteta +617

A search for the rare decays Bs->mu+mu- and B0->mu+mu- is performed using data collected in 2011 and 2012 with the LHCb experiment at the Large Hadron Collider. The data samples co…

hep-ex2012★ 26 cited

Measurement of the time-dependent CP asymmetry in B0 -> J/ψ KS0 decays

LHCb collaboration, R. Aaij, C. Abellan Beteta +622

This Letter reports a measurement of the CP violation observables S_J/ψKS0 and C_J/ψKS0 in the decay channel B0 -> J/ψ KS0 performed with 1.0/fb of pp collisions at sqrt(s) = 7 TeV…

hep-ex2012★ 62 cited

First observation of the decay $B_{s 2}^{} (5840)^{0} \to B^{+} K^{-}$ and studies of excited $B_{s}$ mesons

LHCb collaboration, R. Aaij, C. Abellan Beteta +621

Properties of the orbitally excited (L=1) $B_{s}$ states are studied using 1.0 fb $^{- 1}$ of pp collisions at $s = 7$ TeV collected with the LHCb detector. The first observation…

math.CO2012★ 33 cited

Combinatorial Hopf algebraic description of the multiscale renormalization in quantum field theory

Thomas Krajewski, Vincent Rivasseau, Adrian Tanasa

We define in this paper several Hopf algebras describing the combinatorics of the so-called multi-scale renormalization in quantum field theory. After a brief recall of the main ma…

hep-ph2012★ 61 cited

Perturbative expansion of the QCD Adler function improved by renormalization-group summation and analytic continuation in the Borel plane

Gauhar Abbas, B. Ananthanarayan, Irinel Caprini +1

We examine the large-order behaviour of a recently proposed renormalization-group-improved expansion of the Adler function in perturbative QCD, which sums in an analytically closed…

hep-ex2012★ 91 cited

Observation of D0-D0bar oscillations

LHCb collaboration, R. Aaij, C. Abellan Beteta +616

We report a measurement of the time-dependent ratio of D0->K+pi- to D0->K-pi+ decay rates in D*+-tagged events using 1.0 fb^{-1} of integrated luminosity recorded by the LHCb exper…

hep-ph2012★ 10 cited

Model independent bounds on the modulus of the pion form factor on the unitarity cut below the $ω π$ threshold

B. Ananthanarayan, I. Caprini, Diganta Das +1

We calculate upper and lower bounds on the modulus of the pion electro magnetic form factor on the unitarity cut below the $ω π$ inelastic threshold, using as input the phase in the…

astro-ph.HE2012★ 10 cited

A search for anisotropy in the arrival directions of ultra high energy cosmic rays recorded at the Pierre Auger Observatory

Pierre Auger Collaboration

Observations of cosmic ray arrival directions made with the Pierre Auger Observatory have previously provided evidence of anisotropy at the 99% CL using the correlation of ultra hi…

astro-ph.HE2012★ 76 cited

Search for Point-Like Sources of Ultra-High Energy Neutrinos at the Pierre Auger Observatory and Improved Limit on the Diffuse Flux of Tau Neutrinos

Pierre Auger Collaboration

The Surface Detector array of the Pierre Auger Observatory can detect neutrinos with energy between 10^17 eV and 10^20 eV from point-like sources across the sky south of +55 deg an…

hep-th2012★ 21 cited

Low-scale SUSY breaking and the (s)goldstino physics

I. Antoniadis, D. M. Ghilencea

For a 4D N=1 supersymmetric model with a low SUSY breaking scale (f) and general Kahler potential K(Phi^i,Phi_j^*) and superpotential W(Phi^i) we study, in an effective theory appr…

hep-ex2012★ 39 cited

Measurement of the CP asymmetry in B0 -> K*0 mu+ mu- decays

LHCb collaboration, R. Aaij, C. Abellan Beteta +620

A measurement of the CP asymmetry in B0 -> K*0 mu+ mu- decays is presented, based on 1.0fb-1 of pp collision data recorded by the LHCb experiment during 2011. The measurement is pe…

astro-ph.HE2012★ 55 cited

Large scale distribution of arrival directions of cosmic rays detected above $1 0^{18}$ eV at the Pierre Auger Observatory

Pierre Auger Collaboration

A thorough search for large scale anisotropies in the distribution of arrival directions of cosmic rays detected above $1 0^{18}$ eV at the Pierre Auger Observatory is presented. Th…

First observation of the decays Bˉ(s)0​→Ds+​K−π+π− and Bˉs0​→Ds1​(2536)+π−

Higgs diphoton rate enhancement from supersymmetric physics beyond the MSSM

Search for Superscreening effect in Superconductor

Constraints on the origin of cosmic rays above 1018 eV from large scale anisotropy searches in data of the Pierre Auger Observatory

Geometric algebra techniques in flux compactifications (II)

Geometric algebra techniques in flux compactifications

Measurement of CP observables in B0 -> D K*0 with D -> K+ K-

Measurement of the forward energy flow in pp collisions at sqrt(s)=7 TeV

Quantum Measurement and Initial Conditions

Measurement of J/psi production in pp collisions at sqrt(s)=2.76 TeV

A Search for Point Sources of EeV Neutrons

High-spin structure in 40K

First evidence for the decay Bs -> mu+ mu-

Measurement of the time-dependent CP asymmetry in B0 -> J/ψ KS0 decays

First observation of the decay Bs2∗​(5840)0→B∗+K− and studies of excited Bs​ mesons

Combinatorial Hopf algebraic description of the multiscale renormalization in quantum field theory

Perturbative expansion of the QCD Adler function improved by renormalization-group summation and analytic continuation in the Borel plane

Observation of D0-D0bar oscillations

Model independent bounds on the modulus of the pion form factor on the unitarity cut below the ωπ threshold

A search for anisotropy in the arrival directions of ultra high energy cosmic rays recorded at the Pierre Auger Observatory

Search for Point-Like Sources of Ultra-High Energy Neutrinos at the Pierre Auger Observatory and Improved Limit on the Diffuse Flux of Tau Neutrinos

Low-scale SUSY breaking and the (s)goldstino physics

Measurement of the CP asymmetry in B0 -> K*0 mu+ mu- decays

Large scale distribution of arrival directions of cosmic rays detected above 1018 eV at the Pierre Auger Observatory

First observation of the decays $B ˉ_{(s)}^{0} \to D_{s}^{+} K^{-} π^{+} π^{-}$ and $B ˉ_{s}^{0} \to D_{s 1} (2536)^{+} π^{-}$

Constraints on the origin of cosmic rays above $1 0^{18}$ eV from large scale anisotropy searches in data of the Pierre Auger Observatory

High-spin structure in $^{40}$ K

First observation of the decay $B_{s 2}^{} (5840)^{0} \to B^{+} K^{-}$ and studies of excited $B_{s}$ mesons

Model independent bounds on the modulus of the pion form factor on the unitarity cut below the $ω π$ threshold

Large scale distribution of arrival directions of cosmic rays detected above $1 0^{18}$ eV at the Pierre Auger Observatory