Z. Ajaltouni

Centre National de la Recherche Scientifique — France

Physics and Astronomy · Physical Sciences

83h-index28.1kcitations583works3.22yr avg
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Research Topics

Particle physics theoretical and experimental studies(569), Quantum Chromodynamics and Particle Interactions(493), High-Energy Particle Collisions Research(381), Neutrino Physics Research(81), Dark Matter and Cosmic Phenomena(59)

Publications581 total

Measurement of the branching fractions and longitudinal polarisations of $B^0_{(s)} \to K^{*0} \kern 0.18em \overline{\kern -0.18em K}{}^{*0}$ decays
arXiv (Cornell University)·2025Open Access
Inclusive B-meson flavour-tagging algorithm at LHCb
Journal of High Energy Physics·2025Open Access
Study of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"> <mml:mrow> <mml:msub> <mml:mrow> <mml:mi>B</mml:mi> </mml:mrow> <mml:mrow> <mml:mi>c</mml:mi> </mml:mrow> </mml:msub> <mml:mo stretchy="false">(</mml:mo> <mml:mn>1</mml:mn> <mml:mi>P</mml:mi> <mml:msup> <mml:mrow> <mml:mo stretchy="false">)</mml:mo> </mml:mrow> <mml:mrow> <mml:mo>+</mml:mo> </mml:mrow> </mml:msup> </mml:mrow> </mml:math> states in the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"> <mml:msubsup> <mml:mi>B</mml:mi> <mml:mi>c</mml:mi> <mml:mo>+</mml:mo> </mml:msubsup> <mml:mi>γ</mml:mi> </mml:math> mass spectrum
Physical review. D/Physical review. D.·2025· 1 citedOpen Access
First observation of the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msubsup><mml:mrow><mml:mi mathvariant="normal">Λ</mml:mi></mml:mrow><mml:mrow><mml:mi>b</mml:mi></mml:mrow><mml:mrow><mml:mn>0</mml:mn></mml:mrow></mml:msubsup><mml:mo stretchy="false">→</mml:mo><mml:msubsup><mml:mrow><mml:mi mathvariant="normal">Λ</mml:mi></mml:mrow><mml:mrow><mml:mi>c</mml:mi></mml:mrow><mml:mrow><mml:mo>+</mml:mo></mml:mrow></mml:msubsup><mml:msubsup><mml:mrow><mml:mi>D</mml:mi></mml:mrow><mml:mrow><mml:mi>s</mml:mi></mml:mrow><mml:mrow><mml:mo>−</mml:mo></mml:mrow></mml:msubsup><mml:msup><mml:mrow><mml:mi>K</mml:mi></mml:mrow><mml:mrow><mml:mo>+</mml:mo></mml:mrow></mml:msup><mml:msup><mml:mrow><mml:mi>K</mml:mi></mml:mrow><mml:mrow><mml:mo>−</mml:mo></mml:mrow></mml:msup></mml:mrow></mml:math> decay and search for pentaquarks in the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msubsup><mml:mi mathvariant="normal">Λ</mml:mi><mml:mi>c</mml:mi><mml:mo>+</mml:mo></mml:msubsup><mml:msubsup><mml:mi>D</mml:mi><mml:mi>s</mml:mi><mml:mo>−</mml:mo></mml:msubsup></mml:math> system
Physical review. D/Physical review. D.·2025· 1 citedOpen Access
Precision measurement of the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msubsup><mml:mi mathvariant="normal">Ξ</mml:mi><mml:mi>b</mml:mi><mml:mn>0</mml:mn></mml:msubsup></mml:math> baryon lifetime
Physical review. D/Physical review. D.·2025Open Access
Angular analysis of the decay $$ {B}_s^0 $$ → ϕe+e−
Journal of High Energy Physics·2025Open Access
Measurements of $$\psi (2S)$$ and $$\chi _{c1}(3872)$$ production within fully reconstructed jets
The European Physical Journal C·2025· 1 citedOpen Access
Probing the nature of the χc1(3872) state using radiative decays
Journal of High Energy Physics·2024· 9 citedOpen Access
Amplitude analysis and branching fraction measurement of $$ {B}^{+}\to {D}^{\ast -}{D}_s^{+}{\pi}^{+} $$ decays
Journal of High Energy Physics·2024· 1 citedOpen Access
Search for the $$ {B}_s^0 $$ → μ+μ−γ decay
Journal of High Energy Physics·2024· 3 citedOpen Access
Measurement of forward charged hadron flow harmonics in peripheral PbPb collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msqrt><mml:msub><mml:mi>s</mml:mi><mml:mrow><mml:mi>N</mml:mi><mml:mi>N</mml:mi></mml:mrow></mml:msub></mml:msqrt><mml:mo>=</mml:mo><mml:mn>5.02</mml:mn><mml:mspace width="0.16em"/><mml:mi>TeV</mml:mi></mml:mrow></mml:math> with the LHCb detector
Physical review. C·2024· 1 citedOpen Access
Erratum to: Measurement of the $$ {\Lambda}_c^{+} $$ to D0 production ratio in peripheral PbPb collisions at $$ \sqrt{s_{NN}} $$ = 5.02 TeV
Journal of High Energy Physics·2024Open Access
Erratum to: Search for CP violation in the phase space of D0 → π−π+π0 decays with the energy test
Journal of High Energy Physics·2024Open Access
Measurement of J/ψ-pair production in pp collisions at $$ \sqrt{s} $$ = 13 TeV and study of gluon transverse-momentum dependent PDFs
Journal of High Energy Physics·2024· 8 citedOpen Access
Fraction of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi>χ</mml:mi></mml:mrow><mml:mrow><mml:mi>c</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:math> Decays in Prompt <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>J</mml:mi><mml:mo>/</mml:mo><mml:mi>ψ</mml:mi></mml:math> Production Measured in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>p</mml:mi><mml:mi>Pb</mml:mi></mml:mrow></mml:math> Collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msqrt><mml:mrow><mml:msub><mml:mrow><mml:mi>s</mml:mi></mml:mrow><mml:mrow><mml:mi>NN</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:msqrt><mml:mo>=</mml:mo><mml:mn>8.16</mml:mn><mml:mtext> </mml:mtext><mml:mtext> </mml:mtext><mml:mi>TeV</mml:mi></mml:mrow></mml:math>
Physical Review Letters·2024· 9 citedOpen Access
Curvature-bias corrections using a pseudomass method
Journal of Instrumentation·2024· 1 citedOpen Access
Enhanced Production of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msubsup><mml:mi mathvariant="normal">Λ</mml:mi><mml:mi>b</mml:mi><mml:mn>0</mml:mn></mml:msubsup></mml:math> Baryons in High-Multiplicity <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>p</mml:mi><mml:mi>p</mml:mi></mml:math> Collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msqrt><mml:mi>s</mml:mi></mml:msqrt><mml:mo>=</mml:mo><mml:mn>13</mml:mn><mml:mtext> </mml:mtext><mml:mtext> </mml:mtext><mml:mi>TeV</mml:mi></mml:math>
Physical Review Letters·2024· 20 citedOpen Access
Measurement of the CKM angle γ using the B± → D*h± channels
Journal of High Energy Physics·2023· 1 citedOpen Access
Erratum to: Observation of the B+ → Jψη′K+ decay
Journal of High Energy Physics·2023· 2 citedOpen Access
Precision Measurement of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>C</mml:mi><mml:mi>P</mml:mi></mml:mrow></mml:math> Violation in the Penguin-Mediated Decay <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msubsup><mml:mrow><mml:mi>B</mml:mi></mml:mrow><mml:mrow><mml:mi>s</mml:mi></mml:mrow><mml:mrow><mml:mn>0</mml:mn></mml:mrow></mml:msubsup><mml:mo stretchy="false">→</mml:mo><mml:mi>ϕ</mml:mi><mml:mi>ϕ</mml:mi></mml:mrow></mml:math>
Physical Review Letters·2023· 8 citedOpen Access
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Frequent Co-authors

J. Albrecht(46), R. Aaij(45), M. Alexander(45), P. Álvarez Cartelle(44), F. Archilli(44), M. Artuso(44), W. Baldini(44), I. Belyaev(44), R. J. Barlow(43), S. Bifani(43), F. Blanc(43), S. Blusk(43), A. A. Alves(42), W. Barter(42), S. Benson(42), A. Bondar(42), N. Bondar(42), B. Adeva(41), V. Bocci(41), L. Anderlini(40)