Kara Renee Mattioli

University of Michigan

359 Papers

629 Citations

Kara Renee Mattioli is an academic researcher from University of Michigan. The author has contributed to research in topics: Branching fraction & Meson. The author has an hindex of 25, co-authored 194 publications. Previous affiliations of Kara Renee Mattioli include Syracuse University.

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Papers

•Posted Content

Study of $J/\psi$ photo-production in lead-lead peripheral collisions at $\sqrt{s_{\rm NN}}$ = 5 TeV

Roel Aaij, +952 more

- 05 Aug 2021

- arXiv: High Energy Physics - Experiment

TL;DR: The photo-production of mesons at low transverse momentum was studied in peripheral lead-lead collisions collected by the LHCb experiment at a centre-of-mass energy per nucleon pair of 5 TeV, corresponding to an integrated luminosity of 210 $\rm{\mu b}^{-1}$ as mentioned in this paper.

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Journal Article•10.1007/jhep02(2024)070

Measurement of the Z boson production cross-section in pp collisions at $$ \sqrt{s} $$ = 5.02 TeV

L. C. R. Aaij, +1079 more

- 13 Feb 2024

- Journal of High Energy Physics

TL;DR: The Z boson production cross-section is measured in pp collisions at √s = 5.02 TeV, with a measured cross-section of 39.6 ± 0.7(stat) ± 0.6(syst) ± 0.8(lumi) pb, in agreement with theoretical predictions.

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•Posted Content

arXiv : Measurement of the photon polarization in $\Lambda_b \to \Lambda \gamma$ decays

Roel Aaij, +1007 more

- 19 Nov 2021

- arXiv: High Energy Physics - Experiment

TL;DR: The photon polarization in radiative b-baryon decays exploiting the unique spin structure of Lambda_b \to \Lambda \gamma$ decays was measured for the first time in this article.

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Measurement of τ L using the B 0 s → J /ψη decay mode

Madhan Kumar Mohan, +228 more

TL;DR: In this paper , the lifetime of the light B 0 s mass eigenstate, τ L , was measured using the B0 s → J /ψη decay mode to be τ L = 1 . 445 ± 0 . 016(stat) ± 0. 008(syst) ps .

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Journal Article•10.1103/physrevd.111.l091101

Search for <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi>D</mml:mi></mml:mrow><mml:mrow><mml:mn>0</mml:mn></mml:mrow></mml:msup></mml:mrow></mml:math> meson decays to <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display

L. C. R. Aaij, +1131 more

- 05 May 2025

Abstract: A search for D0 meson decays to the π+π−e+e− and K+K−e+e− final states is reported using a sample of proton-proton collisions collected by the LHCb experiment at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 6 fb−1. The decay D0→π+π−e+e− is observed for the first time when requiring that the two electrons are consistent with coming from the decay of a ϕ or ρ0/ω meson. The corresponding branching fractions are measured relative to the D0→K−π−[e+e−]ρ0/ω decay, where the two electrons are consistent with coming from the decay of a ρ0 or ω meson. No evidence is found for the D0→K+K−e+e− decay and world-best limits are set on its branching fraction. The results are compared to, and found to be consistent with, the branching fractions of the D0→π+π−μ+μ− and D0→K+K−μ+μ− decays recently measured by LHCb and confirm lepton universality at the current precision.

2025

CERN

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