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2025-07-17
13:52
[PUBDB-2025-02444] Dissertation / PhD Thesis
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τ -Lepton Lifetime Measurement andWorking Point Optimization for the PixelVertex Detector at Belle II
257 pp. () = Dissertation, University of Hamburg, 2025  GO
In the Standard Model of Particle Physics, all leptons have the same coupling strength tothe weak interaction. Comparing the theoretical model with experimental observations revealsa slight deviation in the electron branching fraction of τ -lepton decays. [...]
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2025-07-16
14:42
[PUBDB-2025-02414] Journal Article
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Evidence of quadratic time dependence of the kinetics in a continuous order-disorder transition
Kinetics of order-disorder transitions including melting in low-dimensional systems is theoretically predicted to be heterogeneous that start by nucleation in defect sites at lower than homogeneous bulk-melting temperature requiring substantially lower energy barrier. We probed kinetics of such transition in thin multilayered films using x-ray scattering and in situ atomic force microscopy (AFM) studies. [...]
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2025-07-16
09:58
DBCoverage [PUBDB-2025-02403] Preprint
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Search for light neutral particles decaying promptly into collimated pairs of electrons or muons in pp collisions at $\sqrt{s}$ = 13 $\text {T}\text {e}\hspace{-1.00006pt}\text {V}$ with the ATLAS detector
[CERN-EP-2024-183; arXiv:2407.09168]
A search for a dark photon, a new light neutral particle, which decays promptly into collimated pairs of electrons or muons is presented. The search targets dark photons resulting from the exotic decay of the Standard Model Higgs boson, assuming its production via the dominant gluon-gluon fusion mode. [...]
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2025-07-16
09:54
DBCoverage [PUBDB-2025-02402] Journal Article
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Search for diphoton resonances in the 66 to 110 GeV mass range using pp collisions at $ \sqrt{s} $ = 13 TeV with the ATLAS detector
[CERN-EP-2024-166; arXiv:2407.07546]
A search is performed for light, spin-0 bosons decaying into two photons in the 66 to 110 GeV mass range, using 140 fb$^{−1}$ of proton-proton collisions at $ \sqrt{s} $ = 13 TeV produced by the Large Hadron Collider and collected by the ATLAS detector. Multivariate analysis techniques are used to define event categories that improve the sensitivity to new resonances beyond the Standard Model [...]
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2025-07-16
09:35

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2025-07-16
09:31

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2025-07-16
09:17

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2025-07-16
09:13

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2025-07-16
09:04
[PUBDB-2025-02396] Journal Article
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Ni Migration-Induced Strain and Phase Segregation in $LiNiO_2$ Cathodes
ACS nano 19(20), 19364 - 19372 () [10.1021/acsnano.5c03288]  GO
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2025-07-15
15:18

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