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most citedFirst M87 Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole

4.3k citations

Showing 2010 · hep-exShow all

34 papers · 2 filters

hep-ex2010★ 198 cited

Strange particle production in proton-proton collisions at TeV with ALICE at the LHC

ALICE Collaboration

The production of mesons containing strange quarks (K, ) and both singly and doubly strange baryons (, Anti-, and +Anti-) are measured at central rapidity in p…

hep-ex2010★ 39 cited

Measurement of cross sections near threshold using initial-state radiation

G. Pakhlova et al.

We report a measurement of exclusive cross sections as a function of center-of-mass energy near threshold with initial-sta…

hep-ex2010★ 70 cited

Measurement of the form factors of the decay B0 -> D*- ell+ nu and determination of the CKM matrix element |Vcb|

W. ~Dungel, C. ~Schwanda, I. ~Adachi +124

This article describes a determination of the Cabibbo-Kobayashi-Maskawa matrix element from the decay using 711 fb of Belle data colle…

hep-ex2010★ 59 cited

Cross section and double helicity asymmetry for eta mesons and their comparison to neutral pion production in p+p collisions at sqrt(s)=200 GeV

A. Adare, S. Afanasiev, C. Aidala +429

Measurements of double-helicity asymmetries for inclusive hadron production in polarized p+p collisions are sensitive to helicity--dependent parton distribution functions, in parti…

hep-ex2010★ 35 cited

Event Structure and Double Helicity Asymmetry in Jet Production from Polarized p+p Collisions at sqrt(s) = 200 GeV

A. Adare, S. Afanasiev, C. Aidala +372

We report on event structure and double helicity asymmetry () of jet production in longitudinally polarized p+p collisions at =200 GeV. Photons and charged particle…

hep-ex2010★ 42 cited

Measurement of Transverse Single-Spin Asymmetries for J/psi Production in Polarized p+p Collisions at sqrt(s) = 200 GeV

A. Adare, S. Afanasiev, C. Aidala +444

We report the first measurement of transverse single-spin asymmetries in production from transversely polarized collisions at GeV with data taken by th…

hep-ex2010★ 15 cited

Search for charmonium and charmonium-like states in radiative decays

C. P. Shen

Using a sample of 102 million events collected with the Belle detector, we report on the first search for charge-parity-even charmonium and charmonium-like states in $Υ(1S)…

hep-ex2010★ 68 cited

Cross Section and Parity Violating Spin Asymmetries of W^+/- Boson Production in Polarized p+p Collisions at sqrt(s)=500 GeV

A. Adare, S. Afanasiev, C. Aidala +371

Large parity violating longitudinal single spin asymmetries A^{e^-}_L= -0.86^{+0.14}_{-0.30} and A^{e^+}_L= 0.88^{+0.12}_{-0.71} are observed for inclusive high transverse momentum…

hep-ex2010★ 26 cited

Study of the K+ pi+ pi- Final State in B+ -> J/psi K+ pi+ pi- and B+ -> psi-prime K+ pi+ pi-

H. Guler et al.

Using 535 x 10^6 B-meson pairs collected by the Belle detector at the KEKB e+ e- collider, we measure branching fractions of (7.16 +/- 0.10(stat) +/- 0.60(syst)) x 10^-4 for B+ ->…

hep-ex2010★ 9 cited

Search for CP violating charge asymmetry in B^+ -> J/psi K^+ decays

K. Sakai, T. Kawasaki, H. Aihara +136

We present the result of a search for charge asymmetry in B^+ -> J/psi K^+ decays. The CP-violating charge asymmetry is measured to be A_CP(B^+ -> J/psi K^+) = [-0.76 +/- 0.50 (sta…

hep-ex2010★ 14 cited

Measurements of Branching Fractions for B0 --> Ds+pi- and B0-bar --> Ds+K-

The Belle Collaboration, A. Das

We present improved measurements of the branching fractions for the decays B0 --> Ds+pi- and B0-bar --> Ds+K- using a data sample of 657x10^6 BB-bar events collected at the Y(4S) r…

hep-ex2010★ 48 cited

Measurement of CP violating asymmetries in B^0 -> K^+K^- K^0_S decays with a time-dependent Dalitz approach

Belle Collaboration, Y. Nakahama, K. Sumisawa +133

We report a measurement of violating asymmetries in decays with a time-dependent Dalitz approach. This analysis is based on a data samp…

hep-ex2010★ 22 cited

Measurement of eta eta production in two-photon collisions

S. Uehara, Y. Watanabe, H. Nakazawa +1

We report the first measurement of the differential cross section for the process gamma gamma --> eta eta in the kinematic range above the eta eta threshold, 1.096 GeV < W < 3.8 Ge…

hep-ex2010★ 208 cited

Transverse momentum spectra of charged particles in proton-proton collisions at GeV with ALICE at the LHC

ALICE Collaboration

The inclusive charged particle transverse momentum distribution is measured in proton-proton collisions at GeV at the LHC using the ALICE detector. The measurement…

hep-ex2010★ 77 cited

Two-pion Bose-Einstein correlations in pp collisions at GeV

ALICE Collaboration

We report on the measurement of two-pion correlation functions from pp collisions at GeV performed by the ALICE experiment at the Large Hadron Collider. Our analysis…

hep-ex2010★ 39 cited

High p_T Direct Photon and pi^0 Triggered Azimuthal Jet Correlations in sqrt(s)=200 GeV p+p Collisions

A. Adare, S. Afanasiev, C. Aidala +428

Correlations of charged hadrons of 1 < pT < 10 GeV/c with high pT direct photons and pi^ 0 mesons in the range 5 <pT < 15 GeV/c are used to study jet fragmentation in the photon+je…

hep-ex2010★ 93 cited

Midrapidity antiproton-to-proton ratio in pp collisions at and TeV measured by the ALICE experiment

ALICE Collaboration

The ratio of the yields of antiprotons to protons in pp collisions has been measured by the ALICE experiment at and TeV during the initial running periods of t…

hep-ex2010★ 18 cited

Search for B_{s}^{0}->hh Decays at the Resonance

C. -C. Peng, P. Chang, the Belle Collaboration

We have searched for B_{s}^{0}->hh decays, where h stands for a charged or neutral kaon, or a charged pion. These results are based on a 23.6 fb^{-1} data sample collected with the…

hep-ex2010★ 76 cited

Evidence for B- -> tau- nu_bar with a Semileptonic Tagging Method

The Belle collaboration, K. Hara, T. Iijima

We present a measurement of the decay B- -> tau- nu_bar using a data sample containing 657 million BB_bar pairs collected at the Upsilon(4S) resonance with the Belle detector at th…

hep-ex2010★ 236 cited

Measurement of neutral mesons in p+p collisions at sqrt(s) = 200 GeV and scaling properties of hadron production

A. Adare, S. Afanasiev, C. Aidala +428

The PHENIX experiment at the Relativistic Heavy Ion Collider has measured the invariant differential cross section for production of K^0_S , ω, ηprime, and ϕmesons in p + p collisi…

hep-ex2010★ 120 cited

Observation of B+ -> Dbar*0 tau+ nu_tau and Evidence for B+ -> Dbar^0 tau+ nu_tau at Belle

A. Bozek, M. Rozanska et al.

We present measurements of B+ -> Dbar*0 tau+ nu_tau and B+ -> Dbar^0 tau+ nu_tau decays in a data sample of 657 x 10^6 BBbar pairs collected with the Belle detector at the KEKB asy…

hep-ex2010★ 30 cited

Search for a Low Mass Particle Decaying into mu^+ mu^- in B0-> K*0 X and B0-> rho0 X at Belle

H. J. Hyun, H. K. Park, H. O. Kim +1

We search for dimuon decays of a low mass particle in the decays B0->K*0 X and B0->rho X using a data sample of 657x10^6 B Bbar events collected with the Belle detector at the KEKB…

hep-ex2010★ 18 cited

Observation of Bs->Ds(*)+Ds(*)- using e+e- collisions and a determination of the Bs-Bsbar width difference ΔΓ_s

S. Esen, A. J. Schwartz, I. Adachi +125

We have made the first observation of Bs->Ds(*)+Ds(*)- decays using 23.6 fb-1 of data recorded by the Belle experiment running on the Upsilon(5S) resonance. The branching fractions…

hep-ex2010★ 296 cited

Charged-particle multiplicity measurement in proton-proton collisions at = 7 TeV with ALICE at LHC

ALICE Collaboration

The pseudorapidity density and multiplicity distribution of charged particles produced in proton-proton collisions at the LHC, at a centre-of-mass energy TeV, were m…