Juan Martin Otalora Goicochea
Bachelor's at Ingenieria Electronica from Pontificia Universidad Catolica Del Peru (1995), master's at Electric Engineering from Pontifícia Universidade Católica do Rio de Janeiro (2000) and doctorate at Physic from Pontifícia Universidade Católica do Rio de Janeiro (2007). Has experience in Physics, focusing on Properties of Specific Particles and Ressonance, acting on the following subjects: CP Violation, Amplitude Analysis, B and D mesons.
Possui graduação em Engenharia Electrônica pela Pontificia Universidad Católica Del Peru (1995), mestrado em Engenharia Elétrica pela Pontifícia Universidade Católica do Rio de Janeiro (2000) e doutorado em Física pela Pontifícia Universidade Católica do Rio de Janeiro (2007). Atualmente é professor associado da Universidade Federal do Rio de Janeiro. Tem experiência na área de Física, com ênfase em Propriedades de Partículas Específicas e Ressonâncias, atuando principalmente nos seguintes temas: Violação CP e Análise de Amplitudes em Decaimentos Hadrônicos do méson B e D com dados do experimentos LHCb do CERN
Áreas De Investigação
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publicações selecionadas
- Observation of a New Excited Meson in
- Search for the rare decay B 0 → J/ψ- *
- First Observation of a Doubly Charged Tetraquark and Its Neutral Partner
- First measurement of the $$C!P$$-violating phase in $${{B} ^0_{s}} ! ightarrow {{J /psi }} ($$ $$ ightarrow $$ $$e ^+e ^-$$)$$phi $$ decays
- First observation of the decay
- Search for time-dependent violation in and decays
- Observation of the $$ {B}_s^0 $$ → D*+D*− decay
- Search for CP violation in $$ {D}_{(s)}^{+} $$ → K−K+K+ decays
- Search for the radiative $$ {Xi}_b^{-} $$ → -−γ decay
- First Observation of Excited States
- Search for the lepton-flavour violating decays B0 → K*0τ±μ-
- Search for decays at LHCb
- Search for the Rare Decays and
- Measurement of
- Search for the decay B0 → -μ+μ−
- First Observation of Excited States
- Searches for low-mass dimuon resonances
- Search for direct violation in charged charmless decays
- Determination of quantum numbers for several excited charmed mesons observed in decays
- Measurement of the Z boson production cross-section in proton-lead collisions at $$ sqrt{s_{ extrm{NN}}} $$ = 8.16 TeV
- Model-Independent Study of Structure in
- Search for the doubly charmed baryon $$ {arXi}_{cc}^{+} $$ in the $$ {arXi}_c^{+}{pi}^{-}{pi}^{+} $$ final state
- Search for the doubly heavy baryon decaying to *
- Measurement of -Averaged Observables in the Decay
- Study of $$ {mathrm{B}}_{mathrm{s}}^0 $$ → J/ψπ+π−K+K− decays
- Search for the doubly charmed baryon $$Xi_{cc}^+$$-cc+
- Measurement of the charm mixing parameter using two-body meson decays
- Measurement of the CKM angle γ with B± → D[K-π±π±π-]h± decays using a binned phase-space approach
- Search for CP violation in $${{{arXi }} ^+_{c}} ightarrow {p} {{K} ^-} {{pi } ^+} $$ decays using model-independent techniques
- Measurement of asymmetry in decays
- Constraints on the
- Precision measurement of forward Z boson production in proton-proton collisions at $$ sqrt{mathrm{s}} $$ = 13 TeV
- Estudo do decaimento D+ -> Ks pi+pi+pi- no experimento FOCUS
- Study of exclusive photoproduction of charmonium in ultra-peripheral lead-lead collisions
- Measurement of the $$ {Lambda}_c^{+} $$ to D0 production ratio in periphera PbPb collisions at $$ sqrt{s_{ extrm{NN}}} $$ = 5.02 TeV
- Measurement of Violation in the Decay
- Observation of New Resonances Decaying to and
- Observation of $$ {Lambda}_b^0 $$ → D+pπ−π− and $$ {Lambda}_b^0 $$ → D*+pπ−π− decays
- $${{J}/psi }$$ and $${{D}} ^0$$ production in $$sqrt{s_{scriptscriptstyle ext {NN}}} =68.5, ext {GeV} $$ PbNe collisions
- Search for
- Measurement of the prompt-production cross-section ratio
- Search for the doubly heavy $$ {Xi}_{bc}^0 $$ baryon via decays to D0pK−
- Measurement of differential $$ boverline{b} $$- and $$ coverline{c} $$-dijet cross-sections in the forward region of pp collisions at $$ sqrt{s} $$ = 13 TeV
- Observation of the decay $$ {Lambda}_{mathrm{b}}^0 $$ → χc1pπ−
- Precision measurement of the $$ {B}_c^{+} $$ meson mass
- Search for direct violation in charged charmless decays
- Searches for 25 rare and forbidden decays of D+ and $$ {D}_s^{+} $$ mesons
- Measurement of the branching fraction of the $${{B} ^0} { ightarrow }{{D} ^+_{s}} {{pi } ^-} $$ decay
- 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
- Study of $$ {mathrm{B}}_{mathrm{c}}^{+} $$ decays to charmonia and three light hadrons
- Study of the ψ2(3823) and χc1(3872) states in B+ → (J/ψπ+π−)K+ decays
- Measurement of the branching fraction of the decay
- Measurement of the W boson mass
- Search for long-lived particles decaying to $$e ^pm $$ $$mu ^mp $$ $$ u $$
- Test of lepton flavor universality using
- Observation of Two New Excited States Decaying to
- Analysis of Neutral -Meson Decays into Two Muons
- Measurement of $${psi {(2S)}} $$ production cross-sections in proton-proton collisions at $$sqrt{s} =7$$ and $$13 ext { TeV} $$
- Measurement of Variation with Proton-Proton Collision Energy and -Meson Kinematics
- Searches for rare $$ {B}_s^0 $$ and B0 decays into four muons
- Updated measurement of decay-time-dependent asymmetries in
- Measurement of the Nuclear Modification Factor and Prompt Charged Particle Production in -Pb and Collisions at
- Angular analysis of the rare decay $$ {B}_s^0 $$ → -μ+μ−
- Search for violation and observation of violation in decays
- Nuclear Modification Factor of Neutral Pions in the Forward and Backward Regions in Collisions
- Measurement of $$ au _ ext {L}$$ using the $${B} _s^0 ightarrow J/psi eta $$ decay mode
- Observation of the
- Search for massive long-lived particles decaying semileptonically at $${sqrt{s}}=13,hbox {TeV}$$
- Observation of a Resonance Consistent with a Strange Pentaquark Candidate in Decays
- Study of coherent J/ψ production in lead-lead collisions at $$ sqrt{{mathrm{s}}_{mathrm{NN}}} $$ = 5 TeV
- Branching Fraction Measurements of the Rare
- Isospin Amplitudes in
- Observation of the
- Search for the baryon- and lepton-number violating decays and
- Measurement of branching fraction ratios for B+ → D*+D−K+, B+ → D*−D+K+, and B0 → D*−D0K+ decays
- Measurement of the ratio of branching fractions $$ mathcal{B}left({B}_c^{+} o {B}_s^0{pi}^{+} ight)/mathcal{B}left({B}_c^{+} o J/psi {pi}^{+} ight) $$
- Amplitude analysis of the D+ → π−π+π+ decay and measurement of the π−π+ S-wave amplitude
- 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
- Observation of CP violation in two-body $$ {B}_{(s)}^0 $$-meson decays to charged pions and kaons
- 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 Several Sources of Violation in Decays
- Observation of the $$ {B}_s^0 $$ → D*±D- decay
- Constraints on the Branching Fraction
- Amplitude analysis of
- Open charm production and asymmetry in pNe collisions at $$sqrt{s_{scriptscriptstyle { extrm{NN}}}} = 68.5$$ $$, ext {Gehspace{-1.00006pt}V}$$
- Centrality determination in heavy-ion collisions with the LHCb detector
- Measurement of CP observables in B± → D(*)K± and B± → D(*)π± decays using two-body D final states
- Observation of New Resonances Decaying to and
- First Measurement of the
- Search for time-dependent violation in
- Observation of New Baryons Decaying to
- Observation of the and decays
- Direct violation in charmless three-body decays of mesons
- Search for the lepton-flavour violating decays B0 → K*0μ±e- and $$ {B}_s^0 $$ → -μ±e-
- Measurement of J/ψ production cross-sections in pp collisions at $$ sqrt{s} $$ = 5 TeV
- Updated measurement of decay-time-dependent asymmetries in and decays
- Observation of the suppressed
- Study of the doubly charmed tetraquark $${{{{{{ m{T}}}}}}}_{{{{{{ m{c}}}}}}{{{{{ m{c}}}}}}}^{+}$$
- Measurement of the relative branching fractions of
- 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
- Angular Analysis of
- Measurement of ${{ arXi_{cc}^{++}}}$ production in pp collisions at ${sqrt{ s}=13}$ TeV
- Search for the doubly heavy baryons and decaying to and *
- Search for violation in
- 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 χc1(3872) production in proton-proton collisions at $$ sqrt{s} $$ = 8 and 13 TeV
- Amplitude analysis of the
- Measurement of -Averaged Observables in the
- Measurement of CP asymmetries in $$ {D}_{(s)}^{+} o eta {pi}^{+} $$ and $$ {D}_{(s)}^{+} o {eta}^{prime }{pi}^{+} $$ decays
- First Observation of the Decay
- Tests of Lepton Universality Using
- Observation of new excited $${B} ^0_{s} $$ states
- Measurement of the
- Observation of Multiplicity Dependent Prompt
- First observation of the decay
- Updated search for $$ {B}_c^{+} $$ decays to two charm mesons
- Measurement of the Nuclear Modification Factor and Prompt Charged Particle Production in -Pb and Collisions at
- Precision measurement of the -cc++$$ { arXi}_{cc}^{++} $$ mass
- Study of the lineshape of the stat
- Search for Decays
- Amplitude analysis of the
- Charmonium production in pNe collisions at $$sqrt{s_{scriptscriptstyle ext {NN}}} =68.5$$ GeV
- Search for the Rare Decays
- Observation of a new state
- Study of charmonium and charmonium-like contributions in B+ → J/ψηK+ decays
- Search for Rare Decays of Mesons into Two Muons
- Test of lepton universality with $$ {Lambda}_b^0 o {pK}^{-}{mathrm{ell}}^{+}{mathrm{ell}}^{-} $$ decays
- Search for the doubly charmed baryon Ω+cc
- Search for the rare hadronic decay
- Observation of Several Sources of Violation in
- Método Analítico para a Determinação das Estatísticas da Interferência em Redes de Comunicações que Utilizam Satélites Não-geoestacionários: Extensão ao Caso de Satélites com Trilhas Repetitivas
- Observation of New Baryons Decaying to
- Amplitude analysis of the
- Angular analysis of $$ {B}^0 o {D}^{ast -}{D}_s^{ast +} $$ with $$ {D}_s^{ast +} o {D}_s^{+}gamma $$ decays
- Search for violation in decays
- Observation of sizeable contribution to
- Simultaneous determination of CKM angle γ and charm mixing parameters
- Measurement of the CKM angle γ in B± → DK± and B± → Dπ± decays with D → $$ {K}_{mathrm{S}}^0 $$h+h−
- Observation of an exotic narrow doubly charmed tetraquark
- Observation of a new state
- photoproduction in Pb-Pb peripheral collisions at
- 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
- First Measurement of the Angular Coefficients in the Forward Region of Collisions at
- Measurement of - production in pp collisions at $$ sqrt{s} $$ = 5 TeV
- Search for heavy neutral leptons in $$W^+ ightarrow mu ^{+}mu ^{pm }, ext {jet}$$ decays
- Determination of quantum numbers for several excited charmed mesons observed in
- Amplitude analysis of the $$ {D}_s^{+} $$ → π−π+π+ decay
- Measurement of the photon polarization in decays
- Measurement of the charm mixing parameter
- Measurement of prompt charged-particle production in pp collisions at $$ sqrt{mathrm{s}} $$ = 13 TeV
- Método Analítico para a Determinação das Estatísticas de Interferência em Redes de Comunicações que utilizam Satélites não Geoestacionários: Extensão ao caso de Satélites com Trilhas Repetitivas
- Measurement of asymmetry in
- Observation of the semileptonic decay B+→pp¯μ+νμ$$ {B}^{+} o poverline{p}{mu}^{+}{ u}_{mu } $$
- Measurement of the branching fraction of the decay
- Test of lepton universality in beauty-quark decays
- Evidence for a New Structure in the and
- Identification of charm jets at LHCb
- Branching Fraction Measurements of the Rare and Decays
- Amplitude analysis of the decay
- First branching fraction measurement of the suppressed decay
- Observation of excited baryons in decays
- Measurement of with
- Observation of a $$ {arLambda}_b^0 $$ − $$ {overline{arLambda}}_b^0 $$ production asymmetry in proton-proton collisions at $$ sqrt{s} $$ = 7 and 8 TeV
- Search for $$D^{*}(2007)^{0} ightarrow mu ^{+} mu ^{-}$$ in $$B^{-} ightarrow pi ^{-} mu ^{+} mu ^{-}$$ decays
- Measurement of the $${eta _{c}} (1S)$$ production cross-section in $$p $$ $$p $$ collisions at $$sqrt{s} = 13$$ $$, ext {TeV}$$
- Measurement of CP violation in B0→ D∗±D- decays
- First observation of the decay