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 2024Show all

409 papers · 1 filter

cond-mat.mes-hall2024★ 9 cited

Topological invariants of vortices, merons, skyrmions, and their combinations in continuous and discrete systems

Filipp N. Rybakov, Olle Eriksson, Nikolai S. Kiselev

Magnetic vortices and skyrmions are typically characterized by distinct topological invariants. This work presents a unified approach for the topological classification of these te…

cond-mat.mtrl-sci2024★ 8 cited

Chiral Phonons Enhance Ferromagnetism

Jonas Fransson, Yael Kapon, Lilach Brann +4

Recent experiments suggest that the conditions for ferromagnetic order in, e.g., magnetite, can be modified by adsorption of chiral molecules. Especially, the coercivity of magneti…

hep-ex2024★ 6 cited

Study of the semileptonic decay $D^{0} \to K ˉ^{0} π^{-} e^{+} ν_{e}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +656

We report an improved study of the semileptonic decay $D^{0} \to K ˉ^{0} π^{-} e^{+} ν_{e}$ based on a sample of $7.9 fb^{- 1}$ of $e^{+} e^{-}$ annihilation data collected at…

cs.CY2024★ 30 cited

Research Integrity and GenAI: A Systematic Analysis of Ethical Challenges Across Research Phases

Sonja Bjelobaba, Lorna Waddington, Mike Perkins +3

Background: The rapid development and use of generative AI (GenAI) tools in academia presents complex and multifaceted ethical challenges for its users. Earlier research primarily…

cond-mat.str-el2024★ 3 cited

Quantum Critical Scaling of Specific Heat in a Quasicrystal

A. Khansili, Y. -C. Huang, U. Häussermann +2

In strongly correlated systems, interactions give rise to critical fluctuations surrounding the quantum critical point (QCP) of a quantum phase transition. Quasicrystals allow the…

hep-ex2024★ 1 cited

Study of the decay ψ(3686) \to Σ^{0}\barΣ^{0}ϕ

BESIII Collaboration, M. Ablikim, M. N. Achasov +649

Using $(27.12 \pm 0.14) \times 1 0^{8}$ $ψ (3686)$ events collected with the BESIII detector operating at the BEPCII collider, the decay $ψ (3686) \to Σ^{0} Σ ˉ^{0} ϕ$ is observed for the…

math.SG2024

On weakly exact Lagrangians in Liouville bi-fillings

Georgios Dimitroglou Rizell

Here we study several questions concerning Liouville domains that are diffeomorphic to cylinders, so called trivial bi-fillings, for which the Liouville skeleton moreover is smooth…

hep-ex2024★ 3 cited

Measurement of Born cross section of $e^{+} e^{-} \to Σ^{0} Σ ˉ^{0}$ at $s = 3.50 - 4.95$ GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +654

Using $e^{+} e^{-}$ collision data collected with the BESIII detector at the BEPCII collider at thirty-two center-of-mass energies from 3.50 to 4.95 GeV, corresponding to an integrated…

cond-mat.mtrl-sci2024★ 3 cited

Discovery of an ultrastable antiferromagnetic two-dimensional CrF3 phase with anisotropic quasi-one-dimensional mechanical, electronic, and thermal properties

Xin Chen, Fengyi Zhou, Yan Suo +4

We report the discovery of an ultra-stable antiferromagnetic two-dimensional (2D) CrF3 phase that is energetically more favorable than the traditionally assumed hexagonal structure…

hep-ex2024★ 9 cited

Search for charged Higgs bosons produced in top-quark decays or in association with top quarks and decaying via $H^{\pm} \to τ^{\pm} ν_{τ}$ in 13 TeV $pp$ collisions with the ATLAS detector

ATLAS Collaboration

Charged Higgs bosons produced either in top-quark decays or in association with a top-quark, subsequently decaying via $H^{\pm} \to τ^{\pm} ν_{τ}$ , are searched for in 140 $\text{fb}^…

cond-mat.str-el2024★ 1 cited

On the relation between fractional charge and statistics

T. H. Hansson, Rodrigo Arouca, Thomas Klein Kvorning

We revisit an argument, originally given by Kivelson and Roček, for why the existence of fractional charge necessarily implies fractional statistics. In doing so, we resolve a cont…

hep-ex2024

Energy scale and resolution for anti- $k_{t}$ jets with radius parameters $R = 0.2$ and 0.6 measured in proton-proton collisions at $s = 13$ TeV with the ATLAS detector

ATLAS Collaboration

Jets with different radius parameters $R$ are an important tool to probe quantum chromodynamics processes at different angular scales. Jets with small $R = 0.2$ are instrumental in m…

hep-ex2024★ 1 cited

Differential cross-section measurements of $D^{\pm}$ and $D_{s}^{\pm}$ meson production in proton-proton collisions at $s = 13$ TeV with the ATLAS detector

ATLAS Collaboration

The production of $D^{\pm}$ and $D_{s}^{\pm}$ charmed mesons is measured using the $D^{\pm} / D_{s}^{\pm} \to ϕ (μμ) π^{\pm}$ decay channel with 137 fb $^{- 1}$ of $s = 13$ TeV pr…

nucl-ex2024★ 2 cited

Azimuthal anisotropies of charged particles with high transverse momentum in Pb+Pb collisions at $s_{_{NN}} = 5.02$ TeV with the ATLAS detector

ATLAS Collaboration

A measurement is presented of elliptic ( $v_{2}$ ) and triangular ( $v_{3}$ ) azimuthal anisotropy coefficients for charged particles produced in Pb+Pb collisions at $\sqrt{s_{_\text{NN}}}…

hep-ex2024

Improved reconstruction of highly boosted $τ$ -lepton pairs in the $τ τ \to (μ ν_{μ} ν_{τ}) (ha d r o n s + ν_{τ})$ decay channels with the ATLAS detector

ATLAS Collaboration

This paper presents a new $τ$ -lepton reconstruction and identification procedure at the ATLAS detector at the Large Hadron Collider, which leads to significantly improved performan…

cond-mat.supr-con2024★ 1 cited

Impurity strength-temperature phase diagram with phase crystals and competing time-reversal symmetry breaking states in nodal $d$ -wave superconductors

Kevin Marc Seja, Niclas Wall-Wennerdal, Tomas Löfwander +3

Phase crystals are a class of nonuniform superconducting ground states characterized by spontaneous phase gradients of the superconducting order parameter. These phase gradients no…

cond-mat.supr-con2024★ 7 cited

Odd-frequency pairing due to Majorana and trivial Andreev bound states

Eslam Ahmed, Shun Tamura, Yukio Tanaka +1

Majorana and trivial Andreev bound states are predicted to appear in superconductor-semiconductor hybrid systems, but their identification is still a challenging task. Here we cons…

hep-ex2024★ 2 cited

Measurement of $C P$ asymmetry in $B_{s}^{0} \to D_{s}^{\mp} K^{\pm}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1119

A measurement of the $C P$ -violating parameters in $B_{s}^{0} \to D_{s}^{\mp} K^{\pm}$ decays is reported, based on the analysis of proton-proton collision data collected by the LHCb expe…

hep-ex2024

Search for Higgs boson decays into a pair of pseudoscalar particles in the $γ γ τ_{had} τ_{had}$ final state using $pp$ collisions at $s = 13$ TeV with the ATLAS detector

ATLAS Collaboration

A search for exotic decays of the 125 GeV Higgs boson into a pair of new spin-0 particles, $H \to aa$ , where one decays into a photon pair and the other into a $τ$ -lepton pair, is…

hep-ex2024★ 10 cited

Measurement of $C P$ asymmetries in $Λ_{b}^{0} \to p h^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1129

A search for $C P$ violation in $Λ_{b}^{0} \to p K^{-}$ and $Λ_{b}^{0} \to p π^{-}$ decays is presented using the full Run 1 and Run 2 data samples of $pp$ collisions collected with…

hep-ex2024★ 5 cited

Observation of the charmonium decay $η_{c} \to γ γ$ in $J / ψ \to γ η_{c}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +662

Using $(2712.4 \pm 14.3) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector at the BEPCII collider, the decay $η_{c} \to γ γ$ in $J / ψ \to γ η_{c}$ is observed. We determine the p…

hep-ex2024★ 1 cited

Test of lepton flavour universality in $W$ -boson decays into electrons and $τ$ -leptons using $pp$ collisions at $s = 13$ TeV with the ATLAS detector

ATLAS Collaboration

A measurement of the ratio of the branching fractions, $R_{τ / e} = B (W \to τ ν) / B (W \to e ν)$ , is performed using a sample of $W$ bosons originating from top-quark decays to final s…

hep-ex2024★ 3 cited

Test of lepton flavour universality with $B^{+} \to K^{+} π^{+} π^{-} ℓ^{+} ℓ^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1132

The first test of lepton flavor universality between muons and electrons using $B^{+} \to K^{+} π^{+} π^{-} ℓ^{+} ℓ^{-}$ ( $ℓ = e, μ$ ) decays is presented. The measurement is performed with d…

hep-ex2024

Cross-section measurements for the production of a $W$ -boson in association with high-transverse-momentum jets in $pp$ collisions at $s$ = 13 TeV with the ATLAS detector

ATLAS Collaboration

A set of measurements for the production of a $W$ -boson in association with high-transverse-momentum jets is presented using 140 fb $^{- 1}$ of proton-proton collision data at a cent…

Topological invariants of vortices, merons, skyrmions, and their combinations in continuous and discrete systems

Chiral Phonons Enhance Ferromagnetism

Study of the semileptonic decay D0→Kˉ0π−e+νe​

Research Integrity and GenAI: A Systematic Analysis of Ethical Challenges Across Research Phases

Quantum Critical Scaling of Specific Heat in a Quasicrystal

Study of the decay ψ(3686) \to Σ^{0}\barΣ^{0}ϕ

On weakly exact Lagrangians in Liouville bi-fillings

Measurement of Born cross section of e+e−→Σ0Σˉ0 at s​=3.50−4.95 GeV

Discovery of an ultrastable antiferromagnetic two-dimensional CrF3 phase with anisotropic quasi-one-dimensional mechanical, electronic, and thermal properties

Search for charged Higgs bosons produced in top-quark decays or in association with top quarks and decaying via H±→τ±ντ​ in 13 TeV pp collisions with the ATLAS detector

On the relation between fractional charge and statistics

Energy scale and resolution for anti-kt​ jets with radius parameters R=0.2 and 0.6 measured in proton-proton collisions at s​=13 TeV with the ATLAS detector

Differential cross-section measurements of D± and Ds±​ meson production in proton-proton collisions at s​=13 TeV with the ATLAS detector

Azimuthal anisotropies of charged particles with high transverse momentum in Pb+Pb collisions at sNN​​​=5.02 TeV with the ATLAS detector

Improved reconstruction of highly boosted τ-lepton pairs in the ττ→(μνμ​ντ​)(hadrons+ντ​) decay channels with the ATLAS detector

Impurity strength-temperature phase diagram with phase crystals and competing time-reversal symmetry breaking states in nodal d-wave superconductors

Odd-frequency pairing due to Majorana and trivial Andreev bound states

Measurement of CP asymmetry in Bs0​→Ds∓​K± decays

Search for Higgs boson decays into a pair of pseudoscalar particles in the γγτhad​τhad​ final state using pp collisions at s​=13 TeV with the ATLAS detector

Measurement of CP asymmetries in Λb0​→ph− decays

Observation of the charmonium decay ηc​→γγ in J/ψ→γηc​

Test of lepton flavour universality in W-boson decays into electrons and τ-leptons using pp collisions at s​=13 TeV with the ATLAS detector

Test of lepton flavour universality with B+→K+π+π−ℓ+ℓ− decays

Cross-section measurements for the production of a W-boson in association with high-transverse-momentum jets in pp collisions at s​= 13 TeV with the ATLAS detector

Study of the semileptonic decay $D^{0} \to K ˉ^{0} π^{-} e^{+} ν_{e}$

Measurement of Born cross section of $e^{+} e^{-} \to Σ^{0} Σ ˉ^{0}$ at $s = 3.50 - 4.95$ GeV

Search for charged Higgs bosons produced in top-quark decays or in association with top quarks and decaying via $H^{\pm} \to τ^{\pm} ν_{τ}$ in 13 TeV $pp$ collisions with the ATLAS detector

Energy scale and resolution for anti- $k_{t}$ jets with radius parameters $R = 0.2$ and 0.6 measured in proton-proton collisions at $s = 13$ TeV with the ATLAS detector

Differential cross-section measurements of $D^{\pm}$ and $D_{s}^{\pm}$ meson production in proton-proton collisions at $s = 13$ TeV with the ATLAS detector

Azimuthal anisotropies of charged particles with high transverse momentum in Pb+Pb collisions at $s_{_{NN}} = 5.02$ TeV with the ATLAS detector

Improved reconstruction of highly boosted $τ$ -lepton pairs in the $τ τ \to (μ ν_{μ} ν_{τ}) (ha d r o n s + ν_{τ})$ decay channels with the ATLAS detector

Impurity strength-temperature phase diagram with phase crystals and competing time-reversal symmetry breaking states in nodal $d$ -wave superconductors

Measurement of $C P$ asymmetry in $B_{s}^{0} \to D_{s}^{\mp} K^{\pm}$ decays

Search for Higgs boson decays into a pair of pseudoscalar particles in the $γ γ τ_{had} τ_{had}$ final state using $pp$ collisions at $s = 13$ TeV with the ATLAS detector

Measurement of $C P$ asymmetries in $Λ_{b}^{0} \to p h^{-}$ decays

Observation of the charmonium decay $η_{c} \to γ γ$ in $J / ψ \to γ η_{c}$

Test of lepton flavour universality in $W$ -boson decays into electrons and $τ$ -leptons using $pp$ collisions at $s = 13$ TeV with the ATLAS detector

Test of lepton flavour universality with $B^{+} \to K^{+} π^{+} π^{-} ℓ^{+} ℓ^{-}$ decays

Cross-section measurements for the production of a $W$ -boson in association with high-transverse-momentum jets in $pp$ collisions at $s$ = 13 TeV with the ATLAS detector