Uppsala University

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Showing 2022 · hep-exShow all

174 papers · 2 filters

hep-ex2022★ 4 cited

Measurement of the absolute branching fraction of the inclusive decay $D_{s}^{+} \to π^{+} π^{+} π^{-} X$

BESIII Collaboration, M. Ablikim, M. N. Achasov +579

Using an $e^{+} e^{-}$ collision data sample with a total integrated luminosity of $3.19$ fb $^{- 1}$ collected with the BESIII detector at a center-of-mass energy of 4.178 GeV, the bran…

hep-ex2022★ 3 cited

Measurement of $Υ$ production in $pp$ collisions at $s = 5 TeV$

LHCb collaboration

The production cross-sections of $Υ$ mesons, namely $Υ (1 S)$ , $Υ (2 S)$ and $Υ (3 S)$ , in $pp$ collisions at $s = 5 TeV$ are measured with a data sample corresponding to an…

hep-ex2022★ 3 cited

First observation and branching fraction measurement of the $Λ_{b}^{0} \to D_{s}^{-} p$ decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1048

The first observation of the $Λ_{b}^{0} \to D_{s}^{-} p$ decay is presented using proton-proton collision data collected by the LHCb experiment at a centre-of-mass energy of ${\sqrt{s}=13 \…

hep-ex2022★ 12 cited

Search for rare decays of $D^{0}$ mesons into two muons

LHCb collaboration

A search for the very rare $D^{0} \to μ^{+} μ^{-}$ decay is performed using data collected by the LHCb experiment in proton-proton collisions at $s = 7$ , 8 and $13 TeV$ , corre…

hep-ex2022★ 112 cited

Measurement of lepton universality parameters in $B^{+} \to K^{+} ℓ^{+} ℓ^{-}$ and $B^{0} \to K^{* 0} ℓ^{+} ℓ^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1047

A simultaneous analysis of the $B^{+} \to K^{+} ℓ^{+} ℓ^{-}$ and $B^{0} \to K^{* 0} ℓ^{+} ℓ^{-}$ decays is performed to test muon-electron universality in two ranges of the square of the di…

hep-ex2022★ 126 cited

Test of lepton universality in $b \to s ℓ^{+} ℓ^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1047

The first simultaneous test of muon-electron universality using $B^{+} \to K^{+} ℓ^{+} ℓ^{-}$ and $B^{0} \to K^{* 0} ℓ^{+} ℓ^{-}$ decays is performed, in two r…

hep-ex2022★ 55 cited

Studies of the muon momentum calibration and performance of the ATLAS detector with $pp$ collisions at $s$ =13 TeV

ATLAS Collaboration

This paper presents the muon momentum calibration and performance studies for the ATLAS detector based on the $pp$ collisions data sample produced at $s$ =13 TeV at the LHC d…

hep-ex2022★ 15 cited

Observation of a New $X (3872)$ Production Process $e^{+} e^{-} \to ω X (3872)$

BESIII Collaboration, M. Ablikim, M. N. Achasov +571

Using $4.7 f b^{- 1}$ of $e^{+} e^{-}$ collision data at center-of-mass energies from 4.661 to 4.951 GeV collected by the BESIII detector at the BEPCII collider, we observe the $X(387…

hep-ex2022★ 6 cited

Measurements of $Z γ +$ jets differential cross sections in $pp$ collisions at $s = 13$ TeV with the ATLAS detector

ATLAS Collaboration

Differential cross-section measurements of $Z γ$ production in association with hadronic jets are presented, using the full 139 fb $^{- 1}$ dataset of $s = 13$ TeV proton-proton…

hep-ex2022★ 6 cited

Search for the rare decays $W^{+} \to D_{s}^{+} γ$ and $Z \to D^{0} γ$ at LHCb

LHCb collaboration

A search for the rare decays $W^{+} \to D_{s}^{+} γ$ and $Z \to D^{0} γ$ is performed using proton-proton collision data collected by the LHCb experiment at a centre-…

hep-ex2022★ 6 cited

Measurement of the $C P$ -even fraction of $D^{0} \to K^{+} K^{-} π^{+} π^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +571

A determination of the $C P$ -even fraction $F_{+}$ in the decay $D^{0} \to K^{+} K^{-} π^{+} π^{-}$ is presented. Using $2.93$ fb $^{- 1}$ of $e^{+} e^{-} \to ψ (3770) \to D D ˉ$ data collected by the B…

hep-ex2022★ 23 cited

Measurement of the $C P$ properties of Higgs boson interactions with $τ$ -leptons with the ATLAS detector

ATLAS Collaboration

A study of the charge conjugation and parity ( $C P$ ) properties of the interaction between the Higgs boson and $τ$ -leptons is presented. The study is based on a measurement of $C P$ -…

hep-ex2022★ 30 cited

Search for pair-produced vector-like top and bottom partners in events with large missing transverse momentum in pp collisions with the ATLAS detector

ATLAS Collaboration

A search for pair-produced vector-like quarks using events with exactly one lepton ( $e$ or $μ$ ), at least four jets including at least one $b$ -tagged jet, and large missing transve…

hep-ex2022★ 6 cited

Improved measurement of the absolute branching fraction of inclusive semileptonic $Λ_{c}^{+}$ decay

BESIII Collaboration, M. Ablikim, M. N. Achasov +563

Using $4.5 fb^{- 1}$ of $e^{+} e^{-}$ annihilation data samples collected at center-of-mass energies ranging from 4.600 to 4.698 GeV with the BESIII detector at the BEPCII colli…

hep-ex2022★ 17 cited

Study of $e^{+} e^{-} \to Ω^{-} Ω ˉ^{+}$ at center-of-mass energies from 3.49 to 3.67 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +565

Using data samples of $e^{+} e^{-}$ collisions collected with the BESIII detector at eight center-of-mass energy points between 3.49 and 3.67 GeV, corresponding to an integrated luminos…

hep-ex2022★ 80 cited

First observation of a doubly charged tetraquark and its neutral partner

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1055

A combined amplitude analysis is performed for the decays $B^{0} \to D^{0} D_{s}^{+} π^{-}$ and $B^{+} \to D^{-} D_{s}^{+} π^{+}$ , which are related by isospin symmetry. The an…

hep-ex2022★ 4 cited

Measurement of exclusive pion pair production in proton-proton collisions at $s = 7$ TeV with the ATLAS detector

ATLAS Collaboration

The exclusive production of pion pairs in the process $pp \to pp π^{+} π^{-}$ has been measured at $s$ = 7 TeV with the ATLAS detector at the LHC, using 80 $μ$ b $^{- 1}$ of low-lumin…

hep-ex2022★ 3 cited

Measurement of the inclusive $t t ˉ$ production cross section in the lepton+jets channel in $pp$ collisions at $s$ = 7 TeV with the ATLAS detector using support vector machines

ATLAS Collaboration

A measurement of the top quark pair-production cross section in the lepton+jets decay channel is presented. It is based on 4.6 fb $^{- 1}$ of $s = 7$ TeV $pp$ collision data…

hep-ex2022★ 2 cited

Observation of $e^{+} e^{-} \to pp p ˉ n ˉ π^{-} + c . c .$

M. Ablikim, M. N. Achasov, P. Adlarson +559

Using data taken at 29 center-of-mass energies between 4.16 and 4.70 GeV with the BESIII detector at the Beijing Electron Positron Collider corresponding to a total integrated lumi…

hep-ex2022★ 7 cited

Measurement of $e^{+} e^{-} \to Λ Λ ˉ η$ from 3.5106 to 4.6988 GeV and study of $Λ Λ ˉ$ mass threshold enhancement

BESIII Collaboration, M. Ablikim, M. N. Achasov +599

Using data samples with a total integrated luminosity of approximately 18 fb $^{- 1}$ collected by the BESIII detector operating at the BEPCII, the process $e^+e^-\rightarrowΛ\barΛ η…

hep-ex2022★ 26 cited

Tools for estimating fake/non-prompt lepton backgrounds with the ATLAS detector at the LHC

ATLAS Collaboration

Measurements and searches performed with the ATLAS detector at the CERN Large Hadron Collider often involve signatures with one or more prompt leptons. Such analyses are subject to…

hep-ex2022★ 17 cited

Measurement of $Z γ γ$ production in $pp$ collisions at $s = 13$ TeV with the ATLAS detector

ATLAS Collaboration

Cross-sections for the production of a $Z$ boson in association with two photons are measured in proton $-$ proton collisions at a centre-of-mass energy of 13 TeV. The data used corr…

hep-ex2022★ 9 cited

Search for dark matter produced in association with a single top quark and an energetic $W$ boson in $s =$ 13 TeV $pp$ collisions with the ATLAS detector

ATLAS Collaboration

This paper presents a search for dark matter, $χ$ , using events with a single top quark and an energetic $W$ boson. The analysis is based on proton-proton collision data collected…

hep-ex2022★ 42 cited

Search for an axion-like particle in radiative $J / ψ$ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +588

We search for an axion-like particle (ALP) $a$ through the process $ψ (3686) \to π^{+} π^{-} J / ψ$ , $J / ψ \to γ a$ , $a \to γ γ$ in a data sample of $(2.71 \pm 0.01) \times 1 0^{9}$ …

Measurement of the absolute branching fraction of the inclusive decay Ds+​→π+π+π−X

Measurement of Υ production in pp collisions at s​=5 TeV

First observation and branching fraction measurement of the Λb0​→Ds−​p decay

Search for rare decays of D0 mesons into two muons

Measurement of lepton universality parameters in B+→K+ℓ+ℓ− and B0→K∗0ℓ+ℓ− decays

Test of lepton universality in b→sℓ+ℓ− decays

Studies of the muon momentum calibration and performance of the ATLAS detector with pp collisions at s​=13 TeV

Observation of a New X(3872) Production Process e+e−→ωX(3872)

Measurements of Zγ+jets differential cross sections in pp collisions at s​=13 TeV with the ATLAS detector

Search for the rare decays W+→Ds+​γ and Z→D0γ at LHCb

Measurement of the CP-even fraction of D0→K+K−π+π−

Measurement of the CP properties of Higgs boson interactions with τ-leptons with the ATLAS detector

Search for pair-produced vector-like top and bottom partners in events with large missing transverse momentum in pp collisions with the ATLAS detector

Improved measurement of the absolute branching fraction of inclusive semileptonic Λc+​ decay

Study of e+e−→Ω−Ωˉ+ at center-of-mass energies from 3.49 to 3.67 GeV

First observation of a doubly charged tetraquark and its neutral partner

Measurement of exclusive pion pair production in proton-proton collisions at s​=7 TeV with the ATLAS detector

Measurement of the inclusive ttˉ production cross section in the lepton+jets channel in pp collisions at s​= 7 TeV with the ATLAS detector using support vector machines

Observation of e+e−→pppˉ​nˉπ−+c.c.

Measurement of e+e−→ΛΛˉη from 3.5106 to 4.6988 GeV and study of ΛΛˉ mass threshold enhancement

Tools for estimating fake/non-prompt lepton backgrounds with the ATLAS detector at the LHC

Measurement of Zγγ production in pp collisions at s​=13 TeV with the ATLAS detector

Search for dark matter produced in association with a single top quark and an energetic W boson in s​= 13 TeV pp collisions with the ATLAS detector

Search for an axion-like particle in radiative J/ψ decays

Measurement of the absolute branching fraction of the inclusive decay $D_{s}^{+} \to π^{+} π^{+} π^{-} X$

Measurement of $Υ$ production in $pp$ collisions at $s = 5 TeV$

First observation and branching fraction measurement of the $Λ_{b}^{0} \to D_{s}^{-} p$ decay

Search for rare decays of $D^{0}$ mesons into two muons

Measurement of lepton universality parameters in $B^{+} \to K^{+} ℓ^{+} ℓ^{-}$ and $B^{0} \to K^{* 0} ℓ^{+} ℓ^{-}$ decays

Test of lepton universality in $b \to s ℓ^{+} ℓ^{-}$ decays

Studies of the muon momentum calibration and performance of the ATLAS detector with $pp$ collisions at $s$ =13 TeV

Observation of a New $X (3872)$ Production Process $e^{+} e^{-} \to ω X (3872)$

Measurements of $Z γ +$ jets differential cross sections in $pp$ collisions at $s = 13$ TeV with the ATLAS detector

Search for the rare decays $W^{+} \to D_{s}^{+} γ$ and $Z \to D^{0} γ$ at LHCb

Measurement of the $C P$ -even fraction of $D^{0} \to K^{+} K^{-} π^{+} π^{-}$

Measurement of the $C P$ properties of Higgs boson interactions with $τ$ -leptons with the ATLAS detector

Improved measurement of the absolute branching fraction of inclusive semileptonic $Λ_{c}^{+}$ decay

Study of $e^{+} e^{-} \to Ω^{-} Ω ˉ^{+}$ at center-of-mass energies from 3.49 to 3.67 GeV

Measurement of exclusive pion pair production in proton-proton collisions at $s = 7$ TeV with the ATLAS detector

Measurement of the inclusive $t t ˉ$ production cross section in the lepton+jets channel in $pp$ collisions at $s$ = 7 TeV with the ATLAS detector using support vector machines

Observation of $e^{+} e^{-} \to pp p ˉ n ˉ π^{-} + c . c .$

Measurement of $e^{+} e^{-} \to Λ Λ ˉ η$ from 3.5106 to 4.6988 GeV and study of $Λ Λ ˉ$ mass threshold enhancement

Measurement of $Z γ γ$ production in $pp$ collisions at $s = 13$ TeV with the ATLAS detector

Search for dark matter produced in association with a single top quark and an energetic $W$ boson in $s =$ 13 TeV $pp$ collisions with the ATLAS detector

Search for an axion-like particle in radiative $J / ψ$ decays