Istituto Nazionale di Fisica Nucleare, Sezione di Cagliari

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19922026

most citedFirst Sagittarius A* Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole in the Center of the Milky Way

1.9k 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 2011 · hep-exShow all

21 papers · 2 filters

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 $pp$ collisions at $s = 7$ 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 $s = 7$ TeV in different intervals of pseudorapid…

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 $B^{0} \to K^{* 0} μ^{+} μ^{-}$

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

The angular distributions and the partial branching fraction of the decay $B^{0} \to K^{* 0} μ^{+} μ^{-}$ are studied using an integrated luminosity of $0.37 f b^{- 1}$ 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-ex2011★ 59 cited

Underlying Event measurements in pp collisions at $s$ = 0.9 and 7 TeV with the ALICE experiment at the LHC

ALICE collaboration

We present measurements of Underlying Event observables in pp collisions at $s$ = 0.9 and 7 TeV. The analysis is performed as a function of the highest charged-particle tran…

hep-ex2011★ 23 cited

First observation of the decay $B ˉ_{s}^{0} \to D^{0} K^{* 0}$ and a measurement of the ratio of branching fractions $\frac{B ( B ˉ _{s}^{0} \to D ^{0} K ^{* 0} )}{B ( B ˉ ^{0} \to D ^{0} ρ ^{0} )}$

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

The first observation of the decay $B ˉ_{s}^{0} \to D^{0} K^{* 0}$ using $pp$ data collected by the LHCb detector at a centre-of-mass energy of 7 TeV, corresponding to an integrated l…

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 $b$ hadron production ratios in proton-proton collisions at a centre-of-mass energy of 7 TeV with an integrated luminosity of 3 pb $^{- 1}$ are presented. We study th…

hep-ex2011★ 141 cited

J/ $ψ$ polarization in pp collisions at $s = 7$ TeV

ALICE Collaboration

We have studied J/psi production in pp collisions at $s = 7$ TeV at the LHC through its muon pair decay. The polar and azimuthal angle distributions of the decay muons were me…

hep-ex2011★ 33 cited

Search for CP violation in $D^{+} \to K^{-} K^{+} π^{+}$ decays

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

A model-independent search for direct CP violation in the Cabibbo suppressed decay $D^{+} \to K^{-} K^{+} π^{+}$ in a sample of approximately 370,000 decays is carried out. The data were co…

hep-ex2011★ 50 cited

Search for the lepton number violating decays $B^{+} \to π^{-} μ^{+} μ^{+}$ and $B^{+} \to K^{-} μ^{+} μ^{+}$

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

A search is performed for the lepton number violating decay $B^{+} \to h^{-} μ^{+} μ^{+}$ , where $h^{-}$ represents a $K^{-}$ or a $π^{-}$ , using data from the LHCb detector corresponding to an…

hep-ex2011★ 35 cited

Measurements of the Branching fractions for $B_{(} s) - > D_{(} s) π π π$ and $Λ_{b}^{0} - > Λ_{c}^{+} π π π$

LHCb Collaboration, R. Aaij, B. Adeva +566

Branching fractions of the decays $H_{b} \to H_{c} π^{-} π^{+} π^{-}$ relative to $H_{b} \to H_{c} π^{-}$ are presented, where $H_{b}$ ( $H_{c}$ ) represents B^0-bar( $D^{+}$ ), $B^{-}$ ( $D^{0}$ ), B_s^0-bar ( $D_{s}^{+}$ )…

hep-ex2011★ 3 cited

Measurement of the $η$ and $ω$ Dalitz decays transition form factors in p-A collisions at 400 GeV/ $c$ with the NA60 apparatus

Antonio Uras, NA60 Collaboration

The NA60 experiment has studied low-mass muon pairs production in proton-nucleus collisions at 400 GeV/ $c$ at the CERN SPS. The mass spectrum is well described by the superposition…

hep-ex2011★ 28 cited

Measurement of $V^{0}$ production ratios in $pp$ collisions at $s = 0.9$ and 7\,TeV

LHCb Collaboration, R. Aaij, B. Adeva +547

The $Λ ˉ /Λ$ and $Λ ˉ / K_{S}^{0}$ production ratios are measured by the LHCb detector from $0.3 nb^{- 1}$ of $pp$ collisions delivered by the LHC at $\sqrt{s} =…

hep-ex2011★ 68 cited

Measurement of charm production in neutrino charged-current interactions

A. Kayis-Topaksu, G. Önengüt, R. van Dantzig +85

The nuclear emulsion target of the CHORUS detector was exposed to the wide-band neutrino beam of the CERN SPS of 27 GeV average neutrino energy from 1994 to 1997. In total about 10…

hep-ex2011★ 45 cited

Determination of f_s/f_d for 7 TeV pp collisions and a measurement of the branching fraction of the decay Bd->D-K+

LHCb Collaboration, R. Aaij, B. Adeva +548

The relative abundance of the three decay modes $B_{d} \to D^{-} K^{+}$ , $B_{d} \to D^{-} π^{+}$ and $B_{s} \to D_{s}^{-} π^{+}$ produced in 7 TeV $pp$ collisions at the LHC is determined from data co…

hep-ex2011★ 161 cited

Rapidity and transverse momentum dependence of inclusive J/ $ψ$ production in pp collisions at $s = 7$ TeV

ALICE Collaboration

The ALICE experiment at the LHC has studied inclusive J/ $ψ$ production at central and forward rapidities in pp collisions at $s = 7$ TeV. In this Letter, we report on the fi…

hep-ex2011★ 343 cited

Measurement of J/psi production in pp collisions at sqrt(s)=7 TeV

LHCb Collaboration, R. Aaij, B. Adeva +543

The production of J/psi mesons in proton-proton collisions at sqrt(s)=7 TeV is studied with the LHCb detector at the LHC. The differential cross-section for prompt J/psi production…

hep-ex2011★ 295 cited

Production of pions, kaons and protons in pp collisions at $s = 900$ GeV with ALICE at the LHC

ALICE Collaboration

The production of $π^{+}$ , $π^{-}$ , $K^{+}$ , $K^{-}$ , p, and pbar at mid-rapidity has been measured in proton-proton collisions at $s = 900$ GeV with the ALICE detector. Particle id…

hep-ex2011★ 139 cited

Femtoscopy of pp collisions at $s$ =0.9 and 7 TeV at the LHC with two-pion Bose-Einstein correlations

ALICE Collaboration

We report on the high statistics two-pion correlation functions from pp collisions at $s = 0.9$ TeV and $s$ =7 TeV, measured by the ALICE experiment at the Large Hadron…

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

Measurement of charged particle multiplicities in pp collisions at s​=7TeV in the forward region

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

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

Differential branching fraction and angular analysis of the decay B0→K∗0μ+μ−

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

Underlying Event measurements in pp collisions at s​ = 0.9 and 7 TeV with the ALICE experiment at the LHC

First observation of the decay Bˉs0​→D0K∗0 and a measurement of the ratio of branching fractions B(Bˉ0→D0ρ0)B(Bˉs0​→D0K∗0)​

Measurement of b hadron production fractions in 7 TeV pp collisions

J/ψ polarization in pp collisions at s​=7 TeV

Search for CP violation in D+→K−K+π+ decays

Search for the lepton number violating decays B+→π−μ+μ+ and B+→K−μ+μ+

Measurements of the Branching fractions for B(​s)−>D(​s)πππ and Λb0​−>Λc+​πππ

Measurement of the η and ω Dalitz decays transition form factors in p-A collisions at 400 GeV/c with the NA60 apparatus

Measurement of V0 production ratios in pp collisions at s​=0.9 and 7\,TeV

Measurement of charm production in neutrino charged-current interactions

Determination of f_s/f_d for 7 TeV pp collisions and a measurement of the branching fraction of the decay Bd->D-K+

Rapidity and transverse momentum dependence of inclusive J/ψ production in pp collisions at s​=7 TeV

Measurement of J/psi production in pp collisions at sqrt(s)=7 TeV

Production of pions, kaons and protons in pp collisions at s​=900 GeV with ALICE at the LHC

Femtoscopy of pp collisions at s​=0.9 and 7 TeV at the LHC with two-pion Bose-Einstein correlations

Measurement of charged particle multiplicities in $pp$ collisions at $s = 7$ TeV in the forward region

Differential branching fraction and angular analysis of the decay $B^{0} \to K^{* 0} μ^{+} μ^{-}$

Underlying Event measurements in pp collisions at $s$ = 0.9 and 7 TeV with the ALICE experiment at the LHC

First observation of the decay $B ˉ_{s}^{0} \to D^{0} K^{* 0}$ and a measurement of the ratio of branching fractions $\frac{B ( B ˉ _{s}^{0} \to D ^{0} K ^{* 0} )}{B ( B ˉ ^{0} \to D ^{0} ρ ^{0} )}$

J/ $ψ$ polarization in pp collisions at $s = 7$ TeV

Search for CP violation in $D^{+} \to K^{-} K^{+} π^{+}$ decays

Search for the lepton number violating decays $B^{+} \to π^{-} μ^{+} μ^{+}$ and $B^{+} \to K^{-} μ^{+} μ^{+}$

Measurements of the Branching fractions for $B_{(} s) - > D_{(} s) π π π$ and $Λ_{b}^{0} - > Λ_{c}^{+} π π π$

Measurement of the $η$ and $ω$ Dalitz decays transition form factors in p-A collisions at 400 GeV/ $c$ with the NA60 apparatus

Measurement of $V^{0}$ production ratios in $pp$ collisions at $s = 0.9$ and 7\,TeV

Rapidity and transverse momentum dependence of inclusive J/ $ψ$ production in pp collisions at $s = 7$ TeV

Production of pions, kaons and protons in pp collisions at $s = 900$ GeV with ALICE at the LHC

Femtoscopy of pp collisions at $s$ =0.9 and 7 TeV at the LHC with two-pion Bose-Einstein correlations