Leandro Salazar de Paula
graduation at Físico from Universidade Federal do Rio de Janeiro (1976), master's at Physic from Universidade Federal do Rio de Janeiro (1981) and doctorate at Physic from Universidade Federal do Rio de Janeiro (1989). Has experience in Physics, acting on the following subjects: modelo padrao, lhc, delphi-lep, standard model and susy.
possui graduação em Físico pela Universidade Federal do Rio de Janeiro (1976), mestrado em Física pela Universidade Federal do Rio de Janeiro (1981) e doutorado em Física pela Universidade Federal do Rio de Janeiro (1989). Atualmente é professor titular da Universidade Federal do Rio de Janeiro. Tem experiência na área de Física, com ênfase em Física Experimental de Altas Energias, atuando principalmente nos seguintes temas: violação de CP, Física do b, trigger, LHCb. Desde 2003 é coordenador do Laboratório de Física de Partículas Elementares do IF-UFRJ.
Áreas De Investigação
- Visão geral
- Publicações
- Pesquisas
- Ensino
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Visão geral
Publicações
publicações selecionadas
- $${{J}/psi }$$ and $${{D}} ^0$$ production in $$sqrt{s_{scriptscriptstyle ext {NN}}} =68.5, ext {GeV} $$ PbNe collisions
- Measurement of the $$ {Lambda}_c^{+} $$ to D0 production ratio in periphera PbPb collisions at $$ sqrt{s_{ extrm{NN}}} $$ = 5.02 TeV
- Search for $$D^{*}(2007)^{0} ightarrow mu ^{+} mu ^{-}$$ in $$B^{-} ightarrow pi ^{-} mu ^{+} mu ^{-}$$ decays
- Search for the rare hadronic decay
- Observation of $$ {Lambda}_b^0 $$ → D+pπ−π− and $$ {Lambda}_b^0 $$ → D*+pπ−π− decays
- Test of lepton universality with $$ {Lambda}_b^0 o {pK}^{-}{mathrm{ell}}^{+}{mathrm{ell}}^{-} $$ decays
- Search for the doubly charmed baryon Ω+cc
- Branching Fraction Measurements of the Rare
- Transferências Múltiplas de alfas e o Espalhamento Anômalo em Ângulos Grandes
- Observation of sizeable contribution to
- Observation of an exotic narrow doubly charmed tetraquark
- Branching Fraction Measurements of the Rare and Decays
- Measurement of the
- First branching fraction measurement of the suppressed decay
- Identification of charm jets at LHCb
- Observation of the
- Updated search for $$ {B}_c^{+} $$ decays to two charm mesons
- Measurement of with
- Search for the baryon- and lepton-number violating decays and
- Observation of the
- Measurement of the $$ {Lambda}_b^0 $$→ J/ψ- angular distribution and the $$ {Lambda}_b^0 $$ polarisation in pp collisions
- Measurement of the shape of the $$ {B}_s^0 o {D}_s^{ast -}{mu}^{+}{ u}_{mu } $$ differential decay rate
- Angular Analysis of
- Search for long-lived particles decaying to $$e ^pm $$ $$mu ^mp $$ $$ u $$
- Study of $$ {mathrm{B}}_{mathrm{s}}^0 $$ → J/ψπ+π−K+K− decays
- Observation of Enhanced Double Parton Scattering in Proton-Lead Collisions at
- Search for CP violation in $$ {D}_{(s)}^{+} o {h}^{+}{pi}^0 $$ and $$ {D}_{(s)}^{+} o {h}^{+}eta $$ decays
- Measurement of the W boson mass
- First Measurement of the
- Search for direct violation in charged charmless decays
- Angular Analysis of the
- Search for the lepton flavour violating decay B+ → K+μ−τ+ using $$ {B}_{s2}^{ast 0} $$ decays
- First observation and branching fraction measurement of the $$ {Lambda}_b^0 o {D}_s^{-}p $$ decay
- Amplitude analysis of the $$ {D}_s^{+} $$ → π−π+π+ decay
- Precise measurement of the ratio of fragmentation fractions and of
- Search for time-dependent violation in and decays
- Amplitude analysis of the D+ → π−π+π+ decay and measurement of the π−π+ S-wave amplitude
- Observation of a New Excited Meson in
- Measurement of antiproton production from antihyperon decays in $${p} extrm{He}$$ collisions at $$sqrt{s_{scriptscriptstyle mathrm NN}} =110$$ $$, ext {Gehspace{-1.00006pt}V}$$
- Observation of the doubly charmed baryon decay $$ {arXi}_{cc}^{++} o {arXi}_c^{prime +}{pi}^{+} $$
- Observation of the $$ {B}_s^0 $$ → D*+D*− decay
- First measurement of the $$C!P$$-violating phase in $${{B} ^0_{s}} ! ightarrow {{J /psi }} ($$ $$ ightarrow $$ $$e ^+e ^-$$)$$phi $$ decays
- Search for the radiative $$ {Xi}_b^{-} $$ → -−γ decay
- Observation of the $$ {B}_s^0 $$ → D*±D- decay
- Measurement of χc1(3872) production in proton-proton collisions at $$ sqrt{s} $$ = 8 and 13 TeV
- Observation of excited baryons in decays
- Observation of a $$ {arLambda}_b^0 $$ − $$ {overline{arLambda}}_b^0 $$ production asymmetry in proton-proton collisions at $$ sqrt{s} $$ = 7 and 8 TeV
- First observation of the decay
- Study of the lineshape of the stat
- Charmonium production in pNe collisions at $$sqrt{s_{scriptscriptstyle ext {NN}}} =68.5$$ GeV
- Observation of new excited $${B} ^0_{s} $$ states
- Measurement of CP violation in B0→ D∗±D- decays
- Measurement of the $${eta _{c}} (1S)$$ production cross-section in $$p $$ $$p $$ collisions at $$sqrt{s} = 13$$ $$, ext {TeV}$$
- Measurement of the photon polarization in decays
- Model-Independent Study of Structure in
- Tests of Lepton Universality Using
- Test of lepton universality in beauty-quark decays
- Measurement of prompt charged-particle production in pp collisions at $$ sqrt{mathrm{s}} $$ = 13 TeV
- Measurement of asymmetry in
- Search for the doubly heavy baryon decaying to *
- Observation of the semileptonic decay B+→pp¯μ+νμ$$ {B}^{+} o poverline{p}{mu}^{+}{ u}_{mu } $$
- Constraints on the
- Search for the lepton-flavour violating decays B0 → K*0μ±e- and $$ {B}_s^0 $$ → -μ±e-
- Evidence for a New Structure in the and
- Amplitude analysis of the
- Observation of the Decay
- Measurement of the CKM angle γ with B± → D[K-π±π±π-]h± decays using a binned phase-space approach
- Observation of the Mass Difference between Neutral Charm-Meson Eigenstates
- Observation of New Baryons Decaying to
- Search for CP violation in $${{{arXi }} ^+_{c}} ightarrow {p} {{K} ^-} {{pi } ^+} $$ decays using model-independent techniques
- Measurement of J/ψ production cross-sections in pp collisions at $$ sqrt{s} $$ = 5 TeV
- Measurement of the charm mixing parameter using two-body meson decays
- Search for the doubly heavy baryons and decaying to and *
- Observation of a new state
- Precise determination of the $$B_{mathrm{s}}^0$$-$$overline B_{mathrm{s}}^0$$ oscillation frequency
- Measurement of the CKM angle γ and $$ {B}_s^0hbox{-} {overline{B}}_s^0 $$ mixing frequency with $$ {B}_s^0 o {D}_s^{mp }{h}^{pm }{pi}^{pm }{pi}^{mp } $$ decays
- Determination of quantum numbers for several excited charmed mesons observed in
- Study of the doubly charmed tetraquark $${{{{{{ m{T}}}}}}}_{{{{{{ m{c}}}}}}{{{{{ m{c}}}}}}}^{+}$$
- Measurement of - production in pp collisions at $$ sqrt{s} $$ = 5 TeV
- Measurement of the Z boson production cross-section in proton-lead collisions at $$ sqrt{s_{ extrm{NN}}} $$ = 8.16 TeV
- Measurement of Violation in the Decay
- Measurement of branching fraction ratios for B+ → D*+D−K+, B+ → D*−D+K+, and B0 → D*−D0K+ decays
- Observation of Several Sources of Violation in
- Amplitude analysis of the
- Study of charmonium and charmonium-like contributions in B+ → J/ψηK+ decays
- Search for Rare Decays of Mesons into Two Muons
- Measurement of the prompt-production cross-section ratio
- Measurement of the CKM angle γ in B± → DK± and B± → Dπ± decays with D → $$ {K}_{mathrm{S}}^0 $$h+h−
- Observation of New Resonances Decaying to and
- Simultaneous determination of CKM angle γ and charm mixing parameters
- Angular analysis of $$ {B}^0 o {D}^{ast -}{D}_s^{ast +} $$ with $$ {D}_s^{ast +} o {D}_s^{+}gamma $$ decays
- Search for
- Measurement of the Nuclear Modification Factor and Prompt Charged Particle Production in -Pb and Collisions at
- First observation of the decay
- Measurement of the ratio of branching fractions $$ mathcal{B}left({B}_c^{+} o {B}_s^0{pi}^{+} ight)/mathcal{B}left({B}_c^{+} o J/psi {pi}^{+} ight) $$
- Study of exclusive photoproduction of charmonium in ultra-peripheral lead-lead collisions
- Precision measurement of the -cc++$$ { arXi}_{cc}^{++} $$ mass
- Search for the Rare Decays
- Measurement of the charm mixing parameter
- Updated measurement of decay-time-dependent asymmetries in
- Measurement of ${{ arXi_{cc}^{++}}}$ production in pp collisions at ${sqrt{ s}=13}$ TeV
- Searches for rare $$ {B}_s^0 $$ and B0 decays into four muons
- Search for the doubly charmed baryon $$Xi_{cc}^+$$-cc+
- Isospin Amplitudes in
- Measurement of -Averaged Observables in the Decay
- Test of lepton flavor universality using
- ESTUDO DA ESTRUTURA DO 102RU VIA REACAO (D,P)
- Observation of Two New Excited States Decaying to
- Search for the decay B0 → -μ+μ−
- First Observation of Excited States
- Centrality determination in heavy-ion collisions with the LHCb detector
- Measurement of differential $$ boverline{b} $$- and $$ coverline{c} $$-dijet cross-sections in the forward region of pp collisions at $$ sqrt{s} $$ = 13 TeV
- Measurement of CP observables in B± → D(*)K± and B± → D(*)π± decays using two-body D final states
- photoproduction in Pb-Pb peripheral collisions at
- Searches for low-mass dimuon resonances
- Observation of the suppressed
- Measurement of the relative branching fractions of
- Searches for 25 rare and forbidden decays of D+ and $$ {D}_s^{+} $$ mesons
- Search for heavy neutral leptons in $$W^+ ightarrow mu ^{+}mu ^{pm }, ext {jet}$$ decays
- Measurement of CP observables in B± → DK± and B± → Dπ± with D → $$ {K}_{mathrm{S}}^0{K}^{pm }{pi}^{mp } $$ decays
- Constraints on the CKM angle γ from B± → Dh± decays using D → h±h--π0 final states
- Search for the Rare Decays and
- Observation of CP violation in two-body $$ {B}_{(s)}^0 $$-meson decays to charged pions and kaons
- First Observation of a Doubly Charged Tetraquark and Its Neutral Partner
- Search for the rare decay B 0 → J/ψ- *
- Measurement of
- Constraints on the Branching Fraction
- Search for decays at LHCb
- First observation of the decay
- Search for CP violation in $$ {D}_{(s)}^{+} $$ → K−K+K+ decays
- First Observation of Excited States
- Amplitude analysis of
- Open charm production and asymmetry in pNe collisions at $$sqrt{s_{scriptscriptstyle { extrm{NN}}}} = 68.5$$ $$, ext {Gehspace{-1.00006pt}V}$$
- Search for the lepton-flavour violating decays B0 → K*0τ±μ-
- Precision measurement of forward Z boson production in proton-proton collisions at $$ sqrt{mathrm{s}} $$ = 13 TeV
- Measurement of $${psi {(2S)}} $$ production cross-sections in proton-proton collisions at $$sqrt{s} =7$$ and $$13 ext { TeV} $$
- Search for violation and observation of violation in decays
- Measurement of $$ au _ ext {L}$$ using the $${B} _s^0 ightarrow J/psi eta $$ decay mode
- Observation of a Resonance Consistent with a Strange Pentaquark Candidate in Decays
- Search for massive long-lived particles decaying semileptonically at $${sqrt{s}}=13,hbox {TeV}$$
- Study of coherent J/ψ production in lead-lead collisions at $$ sqrt{{mathrm{s}}_{mathrm{NN}}} $$ = 5 TeV
- Amplitude analysis of the
- Angular analysis of the rare decay $$ {B}_s^0 $$ → -μ+μ−
- Nuclear Modification Factor of Neutral Pions in the Forward and Backward Regions in Collisions
- First Observation of the Decay
- Search for the doubly charmed baryon $$ {arXi}_{cc}^{+} $$ in the $$ {arXi}_c^{+}{pi}^{-}{pi}^{+} $$ final state
- Study of $$ {mathrm{B}}_{mathrm{c}}^{+} $$ decays to charmonia and three light hadrons
- Measurement of the branching fraction of the decay
- Measurement of the Nuclear Modification Factor and Prompt Charged Particle Production in -Pb and Collisions at
- Direct violation in charmless three-body decays of mesons
- Study of the ψ2(3823) and χc1(3872) states in B+ → (J/ψπ+π−)K+ decays
- Search for violation in
- Observation of Multiplicity Dependent Prompt
- Analysis of Neutral -Meson Decays into Two Muons
- Measurement of -Averaged Observables in the
- Measurement of CP asymmetries in $$ {D}_{(s)}^{+} o eta {pi}^{+} $$ and $$ {D}_{(s)}^{+} o {eta}^{prime }{pi}^{+} $$ decays
- Measurement of Variation with Proton-Proton Collision Energy and -Meson Kinematics
- Search for the doubly heavy $$ {Xi}_{bc}^0 $$ baryon via decays to D0pK−
- Study of Bosons Produced in Association with Charm in the Forward Region
- Observation of the decay $$ {Lambda}_{mathrm{b}}^0 $$ → χc1pπ−
- Search for direct violation in charged charmless decays
- Determination of quantum numbers for several excited charmed mesons observed in decays
- Measurement of the branching fraction of the $${{B} ^0} { ightarrow }{{D} ^+_{s}} {{pi } ^-} $$ decay
- Precision measurement of the $$ {B}_c^{+} $$ meson mass
Pesquisas
leader of
- LAPE - Laboratorio de Fisica de Particulas Elementares Grupo de Pesquisa
Ensino
theses/dissertations advising
- Estudo do Decaimento Tau -> A1(Pion Pion Pion) Neutrino
- Procura por supersimetria com violaçnao de paridade R através do decaimento de neutralino em muons e neutrino no experimento LHCb
- Medida da Seção de Choque Relativa $\sigma_{Z+b}/\sigma_{Z+jato}$ e Desenvolvimento de Sistema de Resfriamento de Detetores de Pixel para o LHCb
- Medida da Violacao Espontanea da Paridade R no DELPHI e CARIOCA - Uma Nova Eletronica de Front-end para o Detetor de Muons do LHCb
- Contribution to the Analysis of the Bc+ → K+K−π+ Decay in the LHCb Experiment
- Procura de SUSY com Violação da Paridade R no LHCb através do canal X0 → μ anti-q q'
- Procura por corrente de segunda classe usando o decaimento do tau em omega+pi+neutrino do tau no detetor DELPHI e Contribuição na implementação no nível zero do trigger de múons do LHCb.
- Procura por uma corrente de segunda classe no DELPHI e desenvolvimento do trigger de muons do LHCB
- Estudo do Decaimento Tau -> Pion (Kaon) Neutrino do Delphi/Lep
- Medida de violação de CP com o decaimento $B^0 \rightarrow J/\psi K_S^0$ no experimento LHCb
- Estudo sobre a Producao de um Unico Novo Lepton Pesado Carregado no DELPHI
- Estudo do Decaimento Tau -> 3h Pion(Neutro) Neutrino No Detetor Delphi
- Estudo Sobre A Producao de Um Unico Novo Lepton Pesado Carregado No Delphi-Lep
- Procura de SUSY com violação da Paridade-R no LHCb através do canal $\Chi_0^1\rightarrow \mu q' \bar{q}$
- Estudo do decaimento tau->3hpi0nu_tau no detetor DELPHI
- Estudo do Decaimento Tau -> Pion(Kaon) + Neutrino(Tau) no DELPHI / LEP
- Medida de violação de CP com o decaimento B -> J/Psi Ks no experimento LHCb