Uppsala University

researchers with a paper here

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

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Showing 2016 · hep-exShow all

103 papers · 2 filters

hep-ex2016★ 4 cited

Observation of the helicity-selection-rule suppressed decay of the $χ_{c 2}$ charmonium state

BESIII Collaboration, M. Ablikim, M. N. Achasov +424

The decays of $χ_{c 2} \to K^{+} K^{-} π^{0}$ , $K_{S} K^{\pm} π^{\mp}$ and $π^{+} π^{-} π^{0}$ are studied with the $ψ (3686)$ data samples collected with the Beijing Spectrometer (BESIII)…

hep-ex2016★ 60 cited

Measurement of the cross-section for producing a $W$ boson in association with a single top quark in $pp$ collisions at $s = 13$ TeV with ATLAS

ATLAS Collaboration

The inclusive cross-section for the associated production of a $W$ boson and top quark is measured using data from proton-proton collisions at $s = 13$ TeV. The dataset corr…

hep-ex2016★ 36 cited

Measurements of top quark spin observables in $t t ˉ$ events using dilepton final states in $s = 8$ TeV $pp$ collisions with the ATLAS detector

ATLAS Collaboration

Measurements of top quark spin observables in $t t ˉ$ events are presented based on 20.2 fb $^{- 1}$ of $s = 8$ TeV proton-proton collisions recorded with the ATLAS detecto…

hep-ex2016★ 18 cited

Observation of the doubly radiative decay $η^{'} \to γ γ π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +426

Based on a sample of $1.31$ billion $J / ψ$ events collected with the BESIII detector, we report the study of the doubly radiative decay $η^{'} \to γ γ π^{0}$ for the first time, where…

hep-ex2016★ 37 cited

Measurements of top-quark pair differential cross-sections in the $e μ$ channel in $pp$ collisions at $s = 13$ TeV using the ATLAS detector

ATLAS Collaboration

This article presents measurements of $t t ˉ$ differential cross-sections in a fiducial phase-space region, using an integrated luminosity of 3.2 fb $^{- 1}$ of proton--proton dat…

hep-ex2016★ 40 cited

Measurements of top-quark pair to $Z$ -boson cross-section ratios at $s = 13, 8, 7$ TeV with the ATLAS detector

ATLAS Collaboration

Ratios of top-quark pair to $Z$ -boson cross sections measured from proton--proton collisions at the LHC centre-of-mass energies of $s = 13$ TeV, 8TeV, and 7TeV are presented by…

hep-ex2016★ 212 cited

Precision measurement and interpretation of inclusive $W^{+}$ , $W^{-}$ and $Z / γ^{*}$ production cross sections with the ATLAS detector

ATLAS Collaboration

High-precision measurements by the ATLAS Collaboration are presented of inclusive $W^{+} \to ℓ^{+} ν$ , $W^{-} \to ℓ^{-} ν ˉ$ and $Z / γ^{*} \to ℓℓ$ ( $ℓ = e, μ$ ) Drell-Yan production cros…

hep-ex2016★ 116 cited

Measurement of the prompt $J / ψ$ pair production cross-section in $pp$ collisions at $s = 8$ TeV with the ATLAS detector

ATLAS Collaboration

The production of two prompt $J / ψ$ mesons, each with transverse momenta $p_{T} > 8.5$ GeV and rapidity $∣ y ∣ < 2.1$ , is studied using a sample of proton-proton collisions at…

hep-ex2016★ 47 cited

Measurement of the $W$ boson polarisation in $t t ˉ$ events from $pp$ collisions at $s$ = 8 TeV in the lepton+jets channel with ATLAS

ATLAS Collaboration

This paper presents a measurement of the polarisation of $W$ bosons from $t t ˉ$ decays, reconstructed in events with one high-$p_{\mbox{T}}$ lepton and at least four jets. Data…

hep-ex2016★ 262 cited

Electron efficiency measurements with the ATLAS detector using 2012 LHC proton-proton collision data

ATLAS Collaboration

This paper describes the algorithms for the reconstruction and identification of electrons in the central region of the ATLAS detector at the Large Hadron Collider (LHC). These alg…

hep-ex2016★ 855 cited

Performance of the ATLAS Trigger System in 2015

ATLAS Collaboration

During 2015 the ATLAS experiment recorded 3.8 fb $^{- 1}$ of proton--proton collision data at a centre-of-mass energy of 13 TeV. The ATLAS trigger system is a crucial component of th…

hep-ex2016★ 22 cited

Search for new phenomena in events containing a same-flavour opposite-sign dilepton pair, jets, and large missing transverse momentum in $s = 13$ TeV pp collisions with the ATLAS detector

ATLAS Collaboration

Two searches for new phenomena in final states containing a same-flavour opposite-lepton (electron or muon) pair, jets, and large missing transverse momentum are presented. These s…

hep-ex2016★ 39 cited

Observation of $Λ_{c}^{+} \to n K_{S}^{0} π^{+}$

M. Ablikim, M. N. Achasov, S. Ahmed +424

We report the first direct measurement of decays of the $Λ_{c}^{+}$ baryon involving the neutron. The analysis is performed using 567 pb $^{- 1}$ of $e^{+} e^{-}$ collision data collected at…

hep-ex2016★ 264 cited

Precise measurement of the $e^{+} e^{-} \to π^{+} π^{-} J / ψ$ cross section at center-of-mass energies from 3.77 to 4.60 GeV

M. Ablikim, M. N. Achasov, X. C. Ai +412

The cross section for the process $e^{+} e^{-} \to π^{+} π^{-} J / ψ$ is measured precisely at center-of-mass energies from 3.77 to 4.60~GeV using 9~fb $^{- 1}$ of data collected with the BESIII d…

hep-ex2016★ 77 cited

Measurements of $ψ (2 S)$ and $X (3872) \to J / ψ π^{+} π^{-}$ production in $pp$ collisions at $s = 8$ TeV with the ATLAS detector

ATLAS Collaboration

Differential cross sections are presented for the prompt and non-prompt production of the hidden-charm states $X (3872)$ and $ψ (2 S)$ , in the decay mode $J / ψ π^{+} π^{-}$ , measured using 1…

hep-ex2016★ 16 cited

Measurement of jet activity produced in top-quark events with an electron, a muon and two $b$ -tagged jets in the final state in $pp$ collisions at $s = 13$ TeV with the ATLAS detector

ATLAS Collaboration

Measurements of jet activity in top-quark pair events produced in proton--proton collisions are presented, using 3.2 fb $^{- 1}$ of $pp$ collision data at a centre-of-mass energy of…

hep-ex2016★ 14 cited

Measurements of charge and CP asymmetries in $b$ -hadron decays using top-quark events collected by the ATLAS detector in $pp$ collisions at $s = 8$ TeV

ATLAS Collaboration

Same- and opposite-sign charge asymmetries are measured in lepton+jets $t t ˉ$ events in which a $b$ -hadron decays semileptonically to a soft muon, using data corresponding to a…

hep-ex2016★ 28 cited

Measurement of the $Z Z$ production cross section in $pp$ collisions at $s$ = 8 TeV using the $Z Z \to ℓ^{-} ℓ^{+} ℓ^{' -} ℓ^{' +}$ and $Z Z \to ℓ^{-} ℓ^{+} ν ν ˉ$ channels with the ATLAS detector

ATLAS Collaboration

A measurement of the $Z Z$ production in the $ℓ^{-} ℓ^{+} ℓ^{' -} ℓ^{' +}$ and $ℓ^{-} ℓ^{+} ν ν ˉ$ channels $(ℓ = e, μ)$ in proton--proton collisions at $…

hep-ex2016★ 189 cited

Evidence of Two Resonant Structures in $e^{+} e^{-} \to π^{+} π^{-} h_{c}$

M. Ablikim, M. N. Achasov, S. Ahmed +424

The cross sections of $e^{+} e^{-} \to π^{+} π^{-} h_{c}$ at center-of-mass energies from 3.896 to 4.600 GeV are measured using data samples collected with the BESIII detector operating a…

hep-ex2016★ 32 cited

Search for triboson $W^{\pm} W^{\pm} W^{\mp}$ production in $pp$ collisions at $s = 8$ TeV with the ATLAS detector

ATLAS Collaboration

This paper reports a search for triboson $W^{\pm} W^{\pm} W^{\mp}$ production in two decay channels ( $W^{\pm} W^{\pm} W^{\mp} \to ℓ^{\pm} ν ℓ^{\pm} ν ℓ^{\mp} ν$ and $W^{\pm}…

hep-ex2016★ 56 cited

Amplitude analysis of the $χ_{c 1} \to η π^{+} π^{-}$ decays

M. Ablikim, M. N. Achasov, S. Ahmed +430

Using $448.0 \times 1 0^{6}$ ~ $ψ (3686)$ events collected with the BESIII detector, an amplitude analysis is performed for $ψ (3686) \to γ χ_{c 1}$ , $χ_{c 1} \to η π^{+} π^{-}$ decays. The most domin…

hep-ex2016★ 78 cited

Performance of algorithms that reconstruct missing transverse momentum in $s =$ 8 TeV proton-proton collisions in the ATLAS detector

ATLAS Collaboration

The reconstruction and calibration algorithms used to calculate missing transverse momentum ( $E_{T}^{miss}$ ) with the ATLAS detector exploit energy deposits in the calorime…

hep-ex2016★ 33 cited

Measurement of the running of the fine structure constant below 1 GeV with the KLOE Detector

2 Collaboration, A. Anastasi, D. Babusci +63

We have measured the running of the effective QED coupling constant $α (s)$ in the time-like region $0.6 < s < 0.975$ GeV with the KLOE detector at DA $Φ$ NE using the Initial Stat…

hep-ex2016★ 21 cited

A measurement of material in the ATLAS tracker using secondary hadronic interactions in 7 TeV pp collisions

ATLAS Collaboration

Knowledge of the material in the ATLAS inner tracking detector is crucial in understanding the reconstruction of charged-particle tracks, the performance of algorithms that identif…

Observation of the helicity-selection-rule suppressed decay of the χc2​ charmonium state

Measurement of the cross-section for producing a W boson in association with a single top quark in pp collisions at s​=13 TeV with ATLAS

Measurements of top quark spin observables in ttˉ events using dilepton final states in s​=8 TeV pp collisions with the ATLAS detector

Observation of the doubly radiative decay η′→γγπ0

Measurements of top-quark pair differential cross-sections in the eμ channel in pp collisions at s​=13 TeV using the ATLAS detector

Measurements of top-quark pair to Z-boson cross-section ratios at s​=13,8,7TeV with the ATLAS detector

Precision measurement and interpretation of inclusive W+, W− and Z/γ∗ production cross sections with the ATLAS detector

Measurement of the prompt J/ψ pair production cross-section in pp collisions at s​=8 TeV with the ATLAS detector

Measurement of the W boson polarisation in ttˉ events from pp collisions at s​ = 8 TeV in the lepton+jets channel with ATLAS

Electron efficiency measurements with the ATLAS detector using 2012 LHC proton-proton collision data

Performance of the ATLAS Trigger System in 2015

Search for new phenomena in events containing a same-flavour opposite-sign dilepton pair, jets, and large missing transverse momentum in s​=13 TeV pp collisions with the ATLAS detector

Observation of Λc+​→nKS0​π+

Precise measurement of the e+e−→π+π−J/ψ cross section at center-of-mass energies from 3.77 to 4.60 GeV

Measurements of ψ(2S) and X(3872)→J/ψπ+π− production in pp collisions at s​=8 TeV with the ATLAS detector

Measurement of jet activity produced in top-quark events with an electron, a muon and two b-tagged jets in the final state in pp collisions at s​=13 TeV with the ATLAS detector

Measurements of charge and CP asymmetries in b-hadron decays using top-quark events collected by the ATLAS detector in pp collisions at s​=8 TeV

Measurement of the ZZ production cross section in pp collisions at s​ = 8 TeV using the ZZ→ℓ−ℓ+ℓ′−ℓ′+ and ZZ→ℓ−ℓ+ννˉ channels with the ATLAS detector

Evidence of Two Resonant Structures in e+e−→π+π−hc​

Search for triboson W±W±W∓ production in pp collisions at s​=8 TeV with the ATLAS detector

Amplitude analysis of the χc1​→ηπ+π− decays

Performance of algorithms that reconstruct missing transverse momentum in s​= 8 TeV proton-proton collisions in the ATLAS detector

Measurement of the running of the fine structure constant below 1 GeV with the KLOE Detector

A measurement of material in the ATLAS tracker using secondary hadronic interactions in 7 TeV pp collisions

Observation of the helicity-selection-rule suppressed decay of the $χ_{c 2}$ charmonium state

Measurement of the cross-section for producing a $W$ boson in association with a single top quark in $pp$ collisions at $s = 13$ TeV with ATLAS

Measurements of top quark spin observables in $t t ˉ$ events using dilepton final states in $s = 8$ TeV $pp$ collisions with the ATLAS detector

Observation of the doubly radiative decay $η^{'} \to γ γ π^{0}$

Measurements of top-quark pair differential cross-sections in the $e μ$ channel in $pp$ collisions at $s = 13$ TeV using the ATLAS detector

Measurements of top-quark pair to $Z$ -boson cross-section ratios at $s = 13, 8, 7$ TeV with the ATLAS detector

Precision measurement and interpretation of inclusive $W^{+}$ , $W^{-}$ and $Z / γ^{*}$ production cross sections with the ATLAS detector

Measurement of the prompt $J / ψ$ pair production cross-section in $pp$ collisions at $s = 8$ TeV with the ATLAS detector

Measurement of the $W$ boson polarisation in $t t ˉ$ events from $pp$ collisions at $s$ = 8 TeV in the lepton+jets channel with ATLAS

Search for new phenomena in events containing a same-flavour opposite-sign dilepton pair, jets, and large missing transverse momentum in $s = 13$ TeV pp collisions with the ATLAS detector

Observation of $Λ_{c}^{+} \to n K_{S}^{0} π^{+}$

Precise measurement of the $e^{+} e^{-} \to π^{+} π^{-} J / ψ$ cross section at center-of-mass energies from 3.77 to 4.60 GeV

Measurements of $ψ (2 S)$ and $X (3872) \to J / ψ π^{+} π^{-}$ production in $pp$ collisions at $s = 8$ TeV with the ATLAS detector

Measurement of jet activity produced in top-quark events with an electron, a muon and two $b$ -tagged jets in the final state in $pp$ collisions at $s = 13$ TeV with the ATLAS detector

Measurements of charge and CP asymmetries in $b$ -hadron decays using top-quark events collected by the ATLAS detector in $pp$ collisions at $s = 8$ TeV

Measurement of the $Z Z$ production cross section in $pp$ collisions at $s$ = 8 TeV using the $Z Z \to ℓ^{-} ℓ^{+} ℓ^{' -} ℓ^{' +}$ and $Z Z \to ℓ^{-} ℓ^{+} ν ν ˉ$ channels with the ATLAS detector

Evidence of Two Resonant Structures in $e^{+} e^{-} \to π^{+} π^{-} h_{c}$

Search for triboson $W^{\pm} W^{\pm} W^{\mp}$ production in $pp$ collisions at $s = 8$ TeV with the ATLAS detector

Amplitude analysis of the $χ_{c 1} \to η π^{+} π^{-}$ decays

Performance of algorithms that reconstruct missing transverse momentum in $s =$ 8 TeV proton-proton collisions in the ATLAS detector