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Publications (64)

hep-ex2021

Constraints on the $K^0_{\mathrm{S}}\rightarrowÎ¼^{+}Î¼^{-}$ branching fraction

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +901

hep-ex2019

Near-threshold $D\bar{D}$ spectroscopy and observation of a new charmonium state

LHCb Collaboration, R. Aaij, C. AbellÃ¡n Beteta +846

hep-ex2020

Test of lepton universality with $Î^{0}_{b} \to p K^- \ell^+ \ell^-$ decays

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +904

hep-ex2019

Observation of $B^0_{(s)} \to J/Ïp \overline{p}$ decays and precision measurements of the $B^0_{(s)}$ masses

LHCb Collaboration, R. Aaij, C. AbellÃ¡n Beteta +843

hep-ex2019

Search for $CP$ violation in $D_s^+\to K_S^0 Ï^+$, $D^+\to K_S^0 K^+$ and $D^+\to ÏÏ^+$ decays

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +848

hep-ex2020

Search for $A'\!\to\!Î¼^+Î¼^-$ decays

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +905

hep-ex2020

Measurement of the $Î·_c(1S)$ production cross-section in $pp$ collisions at $\sqrt{s} = 13$ TeV

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +913

hep-ex2005

Observation of the radiative kaon decay K- --> mu-pi0gammanu

O. Tchikilev, S. Akimenko, G. Britvich +18

hep-ex2001

Study of the K- -> pi0 e- nu decay

I. Ajinenko, S. Akimenko, G. Akopdzhanov +32

hep-ex2020

Observation of several sources of $CP$ violation in $B^+ \to Ï^+ Ï^+ Ï^-$ decays

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +868

hep-ex2020

Determination of quantum numbers for several excited charmed mesons observed in $B^- \to D^{*+} Ï^- Ï^-$ decays

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +907

hep-ex2019

Amplitude analysis of $B^\pm \to Ï^\pm K^+ K^-$ decays

LHCb Collaboration, R. Aaij, C. AbellÃ¡n Beteta +842

hep-ex2020

Measurement of $\mathitÎ_{cc}^{++}$ production in $pp$ collisions at $\sqrt{s}=13$ TeV

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +900

hep-ex2020

Measurement of psi(2S) production cross-sections in proton-proton collisions at 7 and 13 TeV

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +842

hep-ex2019

Observation of the doubly Cabibbo-suppressed decay $Î_{c}^{+}\to pÏ$

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +848

hep-ex2019

Observation of the $Î_b^0\rightarrow Ï_{c1}(3872)pK^-$ decay

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +903

hep-ex2019

Observation of $C\!P$ violation in charm decays

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +848

hep-ex2019

Measurement of the $CP$-violating phase $Ï_s$ from $B_{s}^{0}\to J/ÏÏ^+Ï^-$ decays in 13 TeV $pp$ collisions

LHCb Collaboration, R. Aaij, C. AbellÃ¡n Beteta +844

hep-ex2019

First observation of the radiative decay $Î_{b}^{0} \to ÎÎ³$

LHCb Collaboration, R. Aaij, C. AbellÃ¡n Beteta +848

hep-ex2020

Search for $CP$ violation in $Î_c^+\rightarrow pK^-Ï^+$ decays using model-independent techniques

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +950

hep-ex2019

Measurement of the electron reconstruction efficiency at LHCb

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +910

hep-ex2004

Search for light pseudoscalar sgoldstino in K- decays

O. Tchikilev, I. Ajinenko, S. Akimenko +22

hep-ex2019

Study of the $B^0\to Ï(770)^0 K^*(892)^0$ decay with an amplitude analysis of $B^0\to (Ï^+Ï^-) (K^+Ï^-)$ decays

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +840

hep-ex2019

Observation of a narrow pentaquark state, $P_c(4312)^+$, and of two-peak structure of the $P_c(4450)^+$

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +866

hep-ex2019

Search for the rare decay $B^{+} \rightarrow Î¼^{+}Î¼^{-}Î¼^{+}Î½_{Î¼}$

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +844

physics.ins-det2009

Radiation hardness qualification of PbWO4 scintillation crystals for the CMS Electromagnetic Calorimeter

The CMS Electromagnetic Calorimeter Group, P. Adzic, N. Almeida +267

hep-ex2019

Measurement of the mass difference between neutral charm-meson eigenstates

LHCb Collaboration, R. Aaij, C. AbellÃ¡n Beteta +842

hep-ex2020

Observation of the semileptonic decay $B^{+}\to p\overline{p}Î¼^{+}Î½_Î¼$

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +900

hep-ex2019

Amplitude analysis of the $B_{(s)} \to K^{0} \overline{K}^{0}$ decays and measurement of the branching fraction of the $B \to K^{0} \overline{K}^{0}$ decay

LHCb Collaboration, R. Aaij, C. AbellÃ¡n Beteta +844

hep-ex2020

Amplitude analysis of the $B^+ \rightarrow Ï^+Ï^+Ï^-$ decay

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +868

hep-ex2020

Precision measurement of the $Î_{cc}^{++}$ mass

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +901

hep-ex2020

Updated measurement of decay-time-dependent CP asymmetries in $D^0 \to K^+K^-$ and $D^0 \to Ï^+Ï^-$ decays

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +910

hep-ex2020

Measurement of psi(2S) meson production in pp collisions at sqrt(s)=7 TeV

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +577

hep-ex2019

Model-independent observation of exotic contributions to $B^0\to J/ÏK^+Ï^-$ decays

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +841

hep-ex2020

First observation of excited $Î©_b^-$ states

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +901

hep-ex2020

Updated measurement of time-dependent $CP$-violating observables in $B^{0}_{s}\to J/ÏK^+ K^-$ decays

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +910

hep-ph2002

Study of the K- -> mu- nu pi0 decay

I. Ajinenko, S. Akimenko, G. Britvich +27

hep-ex2020

Measurement of CP violation in the $B_s^0\rightarrowÏÏ$ decay and search for the $B^0\rightarrow ÏÏ$ decay

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +868

hep-ex2019

Search for lepton-universality violation in $B^+\to K^+\ell^+\ell^-$ decays

LHCb Collaboration, R. Aaij, C. AbellÃ¡n Beteta +846

hep-ex2019

Search for the lepton-flavour-violating decays $B^{0}_{s}\toÏ^{\pm}Î¼^{\mp}$ and $B^{0}\toÏ^{\pm}Î¼^{\mp}$

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +863

hep-ex2019

Measurement of the mass and production rate of $Î_b^-$ baryons

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +843

hep-ex2019

A search for $\itÎ^{++}_{cc} \rightarrow D^{+} p K^{-} Ï^{+}$ decays

LHCb Collaboration, R. Aaij, C. AbellÃ¡n Beteta +848

hep-ex2019

Measurements of $CP$ asymmetries in charmless four-body $Î_b$ and $Î_b^0$ decays

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +841

hep-ex2019

Observation of an excited $B_c^+$ state

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +848

hep-ex2019

Search for the doubly charmed baryon $Î_{cc}^{+}$

LHCb collaboration, R. Aaij, C. AbelÃ¡n Beteta +905

hep-ex2019

Measurement of the branching fraction and $C\!P$ asymmetry in $B^{+}\rightarrow J/ÏÏ^{+}$ decays

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +844

hep-ex2020

Isospin amplitudes in $Î_b^0\to J/ÏÎ(Î£^0)$ and $Î_b^0\to J/ÏÎ^0(Î)$ decays

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +902

hep-ex2019

Amplitude analysis of $B^{0}_{s} \rightarrow K^{0}_{\textrm{S}} K^{\pm}Ï^{\mp}$ decays

LHCb Collaboration, R. Aaij, C. AbellÃ¡n Beteta +843

hep-ex2019

Measurement of the ratio of branching fractions of the decays $Î^0_b\!\toÏ(2S) Î$ and $Î^0_b\!\to J/ÏÎ$

LHCb Collaboration, R. Aaij, B. Adeva +799

hep-ex2020

Measurement of $CP$ violation in $B^0\to D^{*\pm} D^{\mp}$ decays

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +901

hep-ex2020

Measurement of $|V_{cb}|$ with $B_s^0 \to D_s^{(*)-} Î¼^+ Î½_Î¼$ decays

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +904

hep-ex2019

Measurement of $B^+$, $B^0$ and $Î_b^0$ production in $p\mkern 1mu\mathrm{Pb}$ collisions at $\sqrt{s_\mathrm{NN}}=8.16\,{\rm TeV}$

LHCb Collaboration, R. Aaij, C. AbellÃ¡n Beteta +842

hep-ex2020

Search for $C\!P$ violation and observation of $P$ violation in $Î_b^0 \to p Ï^- Ï^+ Ï^-$ decays

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +902

hep-ex2020

Measurement of the branching fraction of the decay $B_s^0\to K_S^0 K_S^0$

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +905

hep-ex2019

Measurement of charged hadron production in $Z$-tagged jets in proton-proton collisions at $\sqrt{s}=8$ TeV

LHCb Collaboration, R. Aaij, C. AbellÃ¡n Beteta +851

hep-ex2019

Measurement of $CP$-violating and mixing-induced observables in $B_s^0 \to ÏÎ³$ decays

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +859

hep-ex2019

Search for the lepton-flavour violating decays $B^+ \to K^+ Î¼^{\pm} e^{\mp}$

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +895

hep-ex2020

Measurement of $f_s / f_u$ variation with proton-proton collision energy and $B$-meson kinematics

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +903

hep-ex2019

Precision measurement of the $Î_c^+$, $Î_c^+$ and $Î_c^0$ baryon lifetimes

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +847

hep-ex2021

Search for the doubly heavy baryons $\itÎ©_{bc}^{\rm0}$ and $\itÎ_{bc}^{\rm0}$ decaying to $\it{Î_{c}^{+}Ï^{-}}$ and $\it{Î_{c}^{+}Ï^{-}}$

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +900

hep-ex2019

Measurement of the $B_c^-$ meson production fraction and asymmetry in 7 and 13 TeV $pp$ collisions

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +900

hep-ex2019

Measurement of $C\!P$ observables in the process $B^0 \to DK^{*0}$ with two- and four-body $D$ decays

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +876

hep-ex2019

Measurement of b-hadron fractions in 13 TeV pp collisions

LHCb Collaboration, R. Aaij, C. AbellÃ¡n Beteta +843

hep-ex2020

Observation of new resonances in the $Î_{b}^0Ï^+Ï^-$ system

LHCb collaboration, R. Aaij, C. AbellÃ¡n Beteta +910

Publications (64)

Constraints on the $K^0_{\mathrm{S}}\rightarrowÎ¼^{+}Î¼^{-}$ branching fraction

Near-threshold $D\bar{D}$ spectroscopy and observation of a new charmonium state

Test of lepton universality with $Î^{0}_{b} \to p K^- \ell^+ \ell^-$ decays

Observation of $B^0_{(s)} \to J/Ïp \overline{p}$ decays and precision measurements of the $B^0_{(s)}$ masses

Search for $CP$ violation in $D_s^+\to K_S^0 Ï^+$, $D^+\to K_S^0 K^+$ and $D^+\to ÏÏ^+$ decays

Search for $A'\!\to\!Î¼^+Î¼^-$ decays

Measurement of the $Î·_c(1S)$ production cross-section in $pp$ collisions at $\sqrt{s} = 13$ TeV

Observation of the radiative kaon decay K- --> mu-pi0gammanu

Study of the K- -> pi0 e- nu decay

Observation of several sources of $CP$ violation in $B^+ \to Ï^+ Ï^+ Ï^-$ decays

Determination of quantum numbers for several excited charmed mesons observed in $B^- \to D^{*+} Ï^- Ï^-$ decays

Amplitude analysis of $B^\pm \to Ï^\pm K^+ K^-$ decays

Measurement of $\mathitÎ_{cc}^{++}$ production in $pp$ collisions at $\sqrt{s}=13$ TeV

Measurement of psi(2S) production cross-sections in proton-proton collisions at 7 and 13 TeV

Observation of the doubly Cabibbo-suppressed decay $Î_{c}^{+}\to pÏ$

Observation of the $Î_b^0\rightarrow Ï_{c1}(3872)pK^-$ decay

Observation of $C\!P$ violation in charm decays

Measurement of the $CP$-violating phase $Ï_s$ from $B_{s}^{0}\to J/ÏÏ^+Ï^-$ decays in 13 TeV $pp$ collisions

First observation of the radiative decay $Î_{b}^{0} \to ÎÎ³$

Search for $CP$ violation in $Î_c^+\rightarrow pK^-Ï^+$ decays using model-independent techniques

Measurement of the electron reconstruction efficiency at LHCb

Search for light pseudoscalar sgoldstino in K- decays

Study of the $B^0\to Ï(770)^0 K^*(892)^0$ decay with an amplitude analysis of $B^0\to (Ï^+Ï^-) (K^+Ï^-)$ decays

Observation of a narrow pentaquark state, $P_c(4312)^+$, and of two-peak structure of the $P_c(4450)^+$

Search for the rare decay $B^{+} \rightarrow Î¼^{+}Î¼^{-}Î¼^{+}Î½_{Î¼}$

Radiation hardness qualification of PbWO4 scintillation crystals for the CMS Electromagnetic Calorimeter

Measurement of the mass difference between neutral charm-meson eigenstates

Observation of the semileptonic decay $B^{+}\to p\overline{p}Î¼^{+}Î½_Î¼$

Amplitude analysis of the $B_{(s)} \to K^{*0} \overline{K}^{*0}$ decays and measurement of the branching fraction of the $B \to K^{*0} \overline{K}^{*0}$ decay

Amplitude analysis of the $B^+ \rightarrow Ï^+Ï^+Ï^-$ decay

Precision measurement of the $Î_{cc}^{++}$ mass

Updated measurement of decay-time-dependent CP asymmetries in $D^0 \to K^+K^-$ and $D^0 \to Ï^+Ï^-$ decays

Measurement of psi(2S) meson production in pp collisions at sqrt(s)=7 TeV

Model-independent observation of exotic contributions to $B^0\to J/ÏK^+Ï^-$ decays

First observation of excited $Î©_b^-$ states

Updated measurement of time-dependent $CP$-violating observables in $B^{0}_{s}\to J/ÏK^+ K^-$ decays

Study of the K- -> mu- nu pi0 decay

Measurement of CP violation in the $B_s^0\rightarrowÏÏ$ decay and search for the $B^0\rightarrow ÏÏ$ decay

Search for lepton-universality violation in $B^+\to K^+\ell^+\ell^-$ decays

Search for the lepton-flavour-violating decays $B^{0}_{s}\toÏ^{\pm}Î¼^{\mp}$ and $B^{0}\toÏ^{\pm}Î¼^{\mp}$

Measurement of the mass and production rate of $Î_b^-$ baryons

A search for $\itÎ^{++}_{cc} \rightarrow D^{+} p K^{-} Ï^{+}$ decays

Measurements of $CP$ asymmetries in charmless four-body $Î_b$ and $Î_b^0$ decays

Observation of an excited $B_c^+$ state

Search for the doubly charmed baryon $Î_{cc}^{+}$

Measurement of the branching fraction and $C\!P$ asymmetry in $B^{+}\rightarrow J/ÏÏ^{+}$ decays

Isospin amplitudes in $Î_b^0\to J/ÏÎ(Î£^0)$ and $Î_b^0\to J/ÏÎ^0(Î)$ decays

Amplitude analysis of $B^{0}_{s} \rightarrow K^{0}_{\textrm{S}} K^{\pm}Ï^{\mp}$ decays

Measurement of the ratio of branching fractions of the decays $Î^0_b\!\toÏ(2S) Î$ and $Î^0_b\!\to J/ÏÎ$

Measurement of $CP$ violation in $B^0\to D^{*\pm} D^{\mp}$ decays

Measurement of $|V_{cb}|$ with $B_s^0 \to D_s^{(*)-} Î¼^+ Î½_Î¼$ decays

Measurement of $B^+$, $B^0$ and $Î_b^0$ production in $p\mkern 1mu\mathrm{Pb}$ collisions at $\sqrt{s_\mathrm{NN}}=8.16\,{\rm TeV}$

Search for $C\!P$ violation and observation of $P$ violation in $Î_b^0 \to p Ï^- Ï^+ Ï^-$ decays

Measurement of the branching fraction of the decay $B_s^0\to K_S^0 K_S^0$

Measurement of charged hadron production in $Z$-tagged jets in proton-proton collisions at $\sqrt{s}=8$ TeV

Measurement of $CP$-violating and mixing-induced observables in $B_s^0 \to ÏÎ³$ decays

Search for the lepton-flavour violating decays $B^+ \to K^+ Î¼^{\pm} e^{\mp}$

Measurement of $f_s / f_u$ variation with proton-proton collision energy and $B$-meson kinematics

Precision measurement of the $Î_c^+$, $Î_c^+$ and $Î_c^0$ baryon lifetimes

Search for the doubly heavy baryons $\itÎ©_{bc}^{\rm0}$ and $\itÎ_{bc}^{\rm0}$ decaying to $\it{Î_{c}^{+}Ï^{-}}$ and $\it{Î_{c}^{+}Ï^{-}}$

Measurement of the $B_c^-$ meson production fraction and asymmetry in 7 and 13 TeV $pp$ collisions

Measurement of $C\!P$ observables in the process $B^0 \to DK^{*0}$ with two- and four-body $D$ decays

Measurement of b-hadron fractions in 13 TeV pp collisions

Observation of new resonances in the $Î_{b}^0Ï^+Ï^-$ system

Test of lepton universality with $Î^{0}_{b} \to p K^- \ell^+ \ell^-$ decays

Observation of $B^0_{(s)} \to J/Ïp \overline{p}$ decays and precision measurements of the $B^0_{(s)}$ masses

Search for $CP$ violation in $D_s^+\to K_S^0 Ï^+$, $D^+\to K_S^0 K^+$ and $D^+\to ÏÏ^+$ decays

Observation of several sources of $CP$ violation in $B^+ \to Ï^+ Ï^+ Ï^-$ decays

Determination of quantum numbers for several excited charmed mesons observed in $B^- \to D^{*+} Ï^- Ï^-$ decays

Amplitude analysis of $B^\pm \to Ï^\pm K^+ K^-$ decays

Measurement of $\mathitÎ_{cc}^{++}$ production in $pp$ collisions at $\sqrt{s}=13$ TeV

Observation of the doubly Cabibbo-suppressed decay $Î_{c}^{+}\to pÏ$

Observation of the $Î_b^0\rightarrow Ï_{c1}(3872)pK^-$ decay

Measurement of the $CP$-violating phase $Ï_s$ from $B_{s}^{0}\to J/ÏÏ^+Ï^-$ decays in 13 TeV $pp$ collisions

First observation of the radiative decay $Î_{b}^{0} \to ÎÎ³$

Search for $CP$ violation in $Î_c^+\rightarrow pK^-Ï^+$ decays using model-independent techniques

Study of the $B^0\to Ï(770)^0 K^*(892)^0$ decay with an amplitude analysis of $B^0\to (Ï^+Ï^-) (K^+Ï^-)$ decays

Amplitude analysis of the $B_{(s)} \to K^{0} \overline{K}^{0}$ decays and measurement of the branching fraction of the $B \to K^{0} \overline{K}^{0}$ decay

Amplitude analysis of the $B^+ \rightarrow Ï^+Ï^+Ï^-$ decay

Precision measurement of the $Î_{cc}^{++}$ mass

Updated measurement of decay-time-dependent CP asymmetries in $D^0 \to K^+K^-$ and $D^0 \to Ï^+Ï^-$ decays

Model-independent observation of exotic contributions to $B^0\to J/ÏK^+Ï^-$ decays

Updated measurement of time-dependent $CP$-violating observables in $B^{0}_{s}\to J/ÏK^+ K^-$ decays

Measurement of CP violation in the $B_s^0\rightarrowÏÏ$ decay and search for the $B^0\rightarrow ÏÏ$ decay

Search for the lepton-flavour-violating decays $B^{0}_{s}\toÏ^{\pm}Î¼^{\mp}$ and $B^{0}\toÏ^{\pm}Î¼^{\mp}$

Measurement of the mass and production rate of $Î_b^-$ baryons

A search for $\itÎ^{++}_{cc} \rightarrow D^{+} p K^{-} Ï^{+}$ decays

Measurements of $CP$ asymmetries in charmless four-body $Î_b$ and $Î_b^0$ decays

Search for the doubly charmed baryon $Î_{cc}^{+}$

Measurement of the branching fraction and $C\!P$ asymmetry in $B^{+}\rightarrow J/ÏÏ^{+}$ decays

Isospin amplitudes in $Î_b^0\to J/ÏÎ(Î£^0)$ and $Î_b^0\to J/ÏÎ^0(Î)$ decays

Amplitude analysis of $B^{0}_{s} \rightarrow K^{0}_{\textrm{S}} K^{\pm}Ï^{\mp}$ decays

Measurement of the ratio of branching fractions of the decays $Î^0_b\!\toÏ(2S) Î$ and $Î^0_b\!\to J/ÏÎ$

Measurement of $B^+$, $B^0$ and $Î_b^0$ production in $p\mkern 1mu\mathrm{Pb}$ collisions at $\sqrt{s_\mathrm{NN}}=8.16\,{\rm TeV}$

Search for $C\!P$ violation and observation of $P$ violation in $Î_b^0 \to p Ï^- Ï^+ Ï^-$ decays

Measurement of $CP$-violating and mixing-induced observables in $B_s^0 \to ÏÎ³$ decays

Precision measurement of the $Î_c^+$, $Î_c^+$ and $Î_c^0$ baryon lifetimes

Search for the doubly heavy baryons $\itÎ©_{bc}^{\rm0}$ and $\itÎ_{bc}^{\rm0}$ decaying to $\it{Î_{c}^{+}Ï^{-}}$ and $\it{Î_{c}^{+}Ï^{-}}$

Observation of new resonances in the $Î_{b}^0Ï^+Ï^-$ system