I. Belyaev

Aix-Marseille Université — France

Physics and Astronomy · Physical Sciences

101h-index46.7kcitations1.3kworks2.52yr avg
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Research Topics

Particle physics theoretical and experimental studies(1211), Quantum Chromodynamics and Particle Interactions(1062), High-Energy Particle Collisions Research(816), Neutrino Physics Research(139), Particle Detector Development and Performance(78)

Publications1.3k total

First Observation of the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"> <mml:mrow> <mml:msubsup> <mml:mrow> <mml:mover accent="true"> <mml:mrow> <mml:mi>B</mml:mi> </mml:mrow> <mml:mrow> <mml:mo stretchy="false">¯</mml:mo> </mml:mrow> </mml:mover> </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: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:mover accent="true"> <mml:mrow> <mml:mi mathvariant="normal">Λ</mml:mi> </mml:mrow> <mml:mrow> <mml:mo stretchy="false">¯</mml:mo> </mml:mrow> </mml:mover> </mml:mrow> <mml:mrow> <mml:mi>c</mml:mi> </mml:mrow> <mml:mrow> <mml:mo>−</mml:mo> </mml:mrow> </mml:msubsup> </mml:mrow> </mml:math> Decay and Evidence for the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"> <mml:mrow> <mml:msup> <mml:mrow> <mml:mover accent="true"> <mml:mrow> <mml:mi>B</mml:mi> </mml:mrow> <mml:mrow> <mml:mo stretchy="false">¯</mml:mo> </mml:mrow> </mml:mover> </mml:mrow> <mml:mrow> <mml:mn>0</mml:mn> </mml:mrow> </mml:msup> <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:mover accent="true"> <mml:mrow> <mml:mi mathvariant="normal">Λ</mml:mi> </mml:mrow> <mml:mrow> <mml:mo stretchy="false">¯</mml:mo> </mml:mrow> </mml:mover> </mml:mrow> <mml:mrow> <mml:mi>c</mml:mi> </mml:mrow> <mml:mrow> <mml:mo>−</mml:mo> </mml:mrow> </mml:msubsup> </mml:mrow> </mml:math> Decay
Physical Review Letters·2026Open Access
Observation of the Rare Baryonic Decay <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"> <mml:mrow> <mml:msup> <mml:mrow> <mml:mi>B</mml:mi> </mml:mrow> <mml:mrow> <mml:mo>+</mml:mo> </mml:mrow> </mml:msup> <mml:mo stretchy="false">→</mml:mo> <mml:mi>p</mml:mi> <mml:mover accent="true"> <mml:mrow> <mml:mi mathvariant="normal">Λ</mml:mi> </mml:mrow> <mml:mrow> <mml:mo stretchy="false">¯</mml:mo> </mml:mrow> </mml:mover> </mml:mrow> </mml:math> and Measurement of its Weak Decay Parameter
Physical Review Letters·2026Open Access
First Observation of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"> <mml:mi>C</mml:mi> <mml:mi>P</mml:mi> </mml:math> Violation and Measurement of Polarization in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"> <mml:msup> <mml:mi>B</mml:mi> <mml:mo>+</mml:mo> </mml:msup> <mml:mo stretchy="false">→</mml:mo> <mml:mi>ρ</mml:mi> <mml:mo stretchy="false">(</mml:mo> <mml:mn>770</mml:mn> <mml:msup> <mml:mo stretchy="false">)</mml:mo> <mml:mn>0</mml:mn> </mml:msup> <mml:msup> <mml:mi>K</mml:mi> <mml:mo>*</mml:mo> </mml:msup> <mml:mo stretchy="false">(</mml:mo> <mml:mn>892</mml:mn> <mml:msup> <mml:mo stretchy="false">)</mml:mo> <mml:mo>+</mml:mo> </mml:msup> </mml:math> Decays
Physical Review Letters·2025Open Access
Observation of <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:mo stretchy="false">→</mml:mo> <mml:mi>D</mml:mi> <mml:msup> <mml:mi>h</mml:mi> <mml:mo>+</mml:mo> </mml:msup> <mml:msup> <mml:mi>h</mml:mi> <mml:mo>−</mml:mo> </mml:msup> </mml:math> Decays
Physical Review Letters·2025· 1 citedOpen Access
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
Search for the decay B0 → ϕϕ
Journal of High Energy Physics·2025Open Access
Search for the lepton-flavour-violating decays B0 → K*0τ±e∓
Journal of High Energy Physics·2025Open Access
Measurement of ψ(2S) to J/ψ cross-section ratio as function of multiplicity in pPb collisions at $$ \sqrt{s_{\textrm{NN}}}=8.16 $$ TeV
Journal of High Energy Physics·2025Open Access
Observation and investigation of the $T_{c\bar{c}1}(4430)^{+}$ structure in $B^{+} \to ψ(2S) K_{\text{S}}^{0} π^{+}$ decays
ArXiv.org·2025Open Access
Differential decay rate of $B^+ \to J/ψK^+$ with the LHCb Upgrade I experiment
ArXiv.org·2025Open Access
Deuteron identification via time of flight with LHCb
The European Physical Journal C·2025Open Access
Coherent photoproduction of ρ0, ω and excited vector mesons in ultraperipheral PbPb collisions
Journal of High Energy Physics·2025Open Access
Inclusive B-meson flavour-tagging algorithm at LHCb
Journal of High Energy Physics·2025Open Access
Amplitude analysis 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>c</mml:mi> <mml:mo>+</mml:mo> </mml:msubsup> <mml:mo stretchy="false">→</mml:mo> <mml:mi>p</mml:mi> <mml:msup> <mml:mi>K</mml:mi> <mml:mo>−</mml:mo> </mml:msup> <mml:msup> <mml:mi>π</mml:mi> <mml:mo>+</mml:mo> </mml:msup> </mml:math> decay and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"> <mml:msubsup> <mml:mi mathvariant="normal">Ξ</mml:mi> <mml:mi>c</mml:mi> <mml:mo>+</mml:mo> </mml:msubsup> </mml:math> baryon polarization measurement in semileptonic beauty-hadron decays
Physical review. D/Physical review. D.·2025Open Access
Measurement of branching fractions and CP asymmetries in $$ {\varLambda}_b^0\left({\varXi}_b^0\right)\to p{K}_{\textrm{S}}^0{h}^{-} $$ decays
Journal of High Energy Physics·2025· 1 citedOpen Access
Measurement of the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>Z</mml:mi></mml:math>-Boson Mass
Physical Review Letters·2025Open Access
Observation of the doubly-charmed-baryon decay $$ {\Xi}_{cc}^{++}\to {\Xi}_c^0{\pi}^{+}{\pi}^{+} $$
Journal of High Energy Physics·2025· 2 citedOpen Access
Rapidity and multiplicity dependence of charged-particle flow in pPb collisions at $$ \sqrt{s_{\textrm{NN}}}=8.16 $$ TeV
Journal of High Energy Physics·2025Open Access
Improved measurement of η/η′ mixing in $$ {B}_{(s)}^0\to J/\psi {\eta}^{\left(\prime \right)} $$ decays
Journal of High Energy Physics·2025Open Access
Measurements of charmed meson and antimeson production asymmetries at $$ \sqrt{\textrm{s}}=13.6 $$ TeV
Journal of High Energy Physics·2025Open Access
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Frequent Co-authors

J. Albrecht(48), M. Alexander(47), P. Álvarez Cartelle(47), M. Artuso(47), W. Baldini(47), S. Bifani(46), F. Blanc(46), S. Blusk(46), A. Bondar(46), N. Bondar(45), T. J. V. Bowcock(43), F. Archilli(42), R. J. Barlow(42), A. A. Alves(41), V. Bocci(40), K. Belous(40), C. Bozzi(39), S. Benson(38), R. Aaij(36), F. Bedeschi(36)