D. A. Roa Romero

activity

20112014

most citedObservation of the resonant character of the

Z (4430)^{-}

state

398 citations · 2.8k across the 43 of their papers we have counts for

collaborators

43 papers

hep-ex2014★ 36 cited

Measurement of the $χ_{b} (3 P)$ mass and of the relative rate of $χ_{b 1} (1 P)$ and $χ_{b 2} (1 P)$ production

LHCb collaboration, R. Aaij, B. Adeva +696

The production of $χ_{b}$ mesons in proton-proton collisions is studied using a data sample collected by the LHCb detector, at centre-of-mass energies of $s = 7$ and $8$ TeV and…

hep-ex2014★ 36 cited

First observation of a baryonic $B_{c}^{+}$ decay

LHCb collaboration, R. Aaij, B. Adeva +699

A baryonic decay of the $B_{c}^{+}$ meson, $B_{c}^{+} \to J / ψ p p π^{+}$ , is observed for the first time, with a significance of $7.3$ standard deviations, in $pp$ collision data coll…

hep-ex2014★ 115 cited

Measurements of $C P$ violation in the three-body phase space of charmless $B^{\pm}$ decays

LHCb collaboration, R. Aaij, B. Adeva +701

The charmless three-body decay modes $B^{\pm} \to K^{\pm} π^{+} π^{-}$ , $B^{\pm} \to K^{\pm} K^{+} K^{-}$ , $B^{\pm} \to π^{\pm} K^{+} K^{-}$ and $B^{\pm} \r…

hep-ex2014★ 30 cited

Measurement of the CKM angle γusing B^\pm --> D K^\pm with D-->K_Sπ^+π^-, K_SK^+K^- decays

LHCb collaboration, R. Aaij, B. Adeva +700

A binned Dalitz plot analysis of $B^{\pm} \to D K^{\pm}$ decays, with $D \to K_{S} π^{+} π^{-}$ and $D \to K_{S} K^{+} K^{-}$ , is performed to measure the \CP-violating observables $x_{\pm}$ and $y…

hep-ex2014★ 38 cited

Measurement of $C P$ asymmetries in the decays $B^{0} \to K^{* 0} μ^{+} μ^{-}$ and $B^{+} \to K^{+} μ^{+} μ^{-}$

LHCb collaboration, R. Aaij, B. Adeva +698

The direct $C P$ asymmetries of the decays $B^{0} \to K^{* 0} μ^{+} μ^{-}$ and $B^{+} \to K^{+} μ^{+} μ^{-}$ are measured using $pp$ collision data corresponding to an integrat…

hep-ex2014★ 38 cited

Measurement of the B0bar-B0 and Bsbar-Bs production asymmetries in pp collisions at sqrt(s)=7 TeV

LHCb collaboration, R. Aaij, B. Adeva +700

The B0bar-B0 and Bsbar-Bs production asymmetries, AP(B0) and AP(Bs), are measured by means of a time-dependent analysis of B0 -> J/ψK*0, B0 -> D- pi+ and Bs -> Ds- pi+ decays, usin…

hep-ex2014★ 26 cited

Study of $χ_{b}$ meson production in pp collisions at $s = 7$ and 8TeV and observation of the decay $χ_{b} \to Υ (3 S) γ$

LHCb collaboration, R. Aaij, B. Adeva +698

A study of $χ_{b}$ meson production at LHCb is performed on proton-proton collision data, corresponding to 3.0fb $^{- 1}$ of integrated luminosity collected at centre-of-mass energie…

hep-ex2014★ 50 cited

Observation of the $Λ_{b}^{0} \to J / ψ p π^{-}$ decay

LHCb collaboration, R. Aaij, B. Adeva +702

The first observation of the Cabibbo-suppressed decay $Λ_{b}^{0} \to J / ψ p π^{-}$ is reported using a data sample of proton-proton collisions at 7 and 8 TeV, corresponding to an in…

hep-ex2014★ 39 cited

Measurement of the ratio of $B_{c}^{+}$ branching fractions to $J / ψ π^{+}$ and $J / ψ μ^{+} ν_{μ}$

LHCb collaboration, R. Aaij, B. Adeva +698

The first measurement that relates semileptonic and hadronic decay rates of the $B_{c}^{+}$ meson is performed using proton-proton collision data corresponding to 1.0 fb $^{- 1}$ of inte…

hep-ex2014★ 130 cited

Dalitz plot analysis of $B_{s}^{0} \to D ˉ^{0} K^{-} π^{+}$ decays

LHCb collaboration, R. Aaij, B. Adeva +701

The resonant substructure of $B_{s}^{0} \to D ˉ^{0} K^{-} π^{+}$ decays is studied with the Dalitz plot analysis technique. The study is based on a data sample corresponding to a…

hep-ex2014★ 17 cited

Observation of $B_{s}^{0} \to K^{\pm} K^{\mp}$ and evidence for $B_{s}^{0} \to K^{-} π^{+}$ decays

LHCb collaboration, R. Aaij, B. Adeva +700

Measurements of the branching fractions of $B_{s}^{0} \to K^{*\pm} K^{\mp}$ and $B_{s}^{0} \to K^{*\pm} π^{\mp}$ decays are performed using a data sample corresponding to $1.0 fb^{- 1}$ o…

hep-ex2014★ 40 cited

Measurement of $C P$ violation and constraints on the CKM angle $γ$ in $B^{\pm} \to D K^{\pm}$ with $D \to K_{S}^{0} π^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, B. Adeva +695

A model-dependent amplitude analysis of $B^{\pm} \to D K^{\pm}$ with $D \to K_{S}^{0} π^{+} π^{-}$ decays is performed using proton-proton collision data, corresponding to…

hep-ex2014★ 24 cited

Observation of charmonium pairs produced exclusively in $pp$ collisions

R. Aaij, B. Adeva, M. Adinolfi +700

A search is performed for the central exclusive production of pairs of charmonia produced in proton-proton collisions. Using data corresponding to an integrated luminosity of $3{\r…

hep-ex2014

Search for CP violation in $D^{\pm} \to K_{S}^{0} K^{\pm}$ and $D_{s}^{\pm} \to K_{S}^{0} π^{\pm}$ decays

LHCb collaboration, R. Aaij, B. Adeva +698

A search for \CP violation in Cabibbo-suppressed $D^{\pm} \to K_{S}^{0} K^{\pm}$ and $D_{s}^{\pm} \to K_{S}^{0} π^{\pm}$ decays is performed using $pp$ …

hep-ex2014★ 21 cited

Effective lifetime measurements in the $B_{s}^{0} \to K^{+} K^{-}$ , $B^{0} \to K^{+} π^{-}$ and $B_{s}^{0} \to π^{+} K^{-}$ decays

R. Aaij, B. Adeva, M. Adinolfi +689

Measurements of the effective lifetimes in the $B_{s}^{0} \to K^{+} K^{-}$ , $B^{0} \to K^{+} π^{-}$ and $B_{s}^{0} \to π^{+} K^{-}$ decays are presented using…

hep-ex2014★ 86 cited

Measurement of the CP-violating phase $ϕ_{s}$ in $B_{s}^{0} \to J / ψ π^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, B. Adeva +697

The mixing-induced CP-violating phase $ϕ_{s}$ in $B_{s}^{0}$ and $B_{s}^{0}$ decays is measured using the $J / ψ π^{+} π^{-}$ final state in data, taken from 3\,fb $^{- 1}$ of integrated…

hep-ex2014★ 75 cited

Study of the kinematic dependences of $Λ_{b}^{0}$ production in $pp$ collisions and a measurement of the $Λ_{b}^{0} \to Λ_{c}^{+} π^{-}$ branching fraction

R. Aaij, B. Adeva, M. Adinolfi +689

The kinematic dependences of the relative production rates, $f_{Λ_{b}^{0}} / f_{d}$ , of $Λ_{b}^{0}$ baryons and $B ˉ^{0}$ mesons are measured using $Λ_{b}^{0} \to Λ_{c}^{+} π^{-}$ and $\bar{B}…

hep-ex2014★ 6 cited

Observation of the $B_{s}^{0} \to J / ψ K_{S}^{0} K^{\pm} π^{\mp}$ decay

LHCb collaboration, R. Aaij, B. Adeva +696

Decays of the form $B_{(s)}^{0} \to J / ψ K_{S}^{0} h^{+} h^{(') -}$ ( $h^{(')} = K, π$ ) are searched for in proton-proton collision data corresponding to…

hep-ex2014★ 398 cited

Observation of the resonant character of the $Z (4430)^{-}$ state

LHCb collaboration, R. Aaij, B. Adeva +697

Resonant structures in $B^{0} \to ψ^{'} π^{-} K^{+}$ decays are analyzed by performing a four-dimensional fit of the decay amplitude, using $pp$ collision data corresponding to $3f b^{- 1}$ …

hep-ex2014★ 18 cited

Evidence for the decay $B_{c}^{+} \to J / ψ 3 π^{+} 2 π^{-}$

LHCb collaboration, R. Aaij, B. Adeva +686

Evidence is presented for the decay $B_{c} + \to J / ψ 3 π^{+} 2 π^{-}$ using proton-proton collision data, corresponding to an integrated luminosity of 3fb $^{- 1}$ , collected with the LH…

hep-ex2014★ 49 cited

Study of beauty hadron decays into pairs of charm hadrons

LHCb collaboration, R. Aaij, A. Abba +694

First observations of the decays $Λ_{b}^{0} \to Λ_{c}^{+} D_{(s)}^{-}$ are reported using data corresponding to an integrated luminosity of $3 fb^{- 1}$ collected at 7 and 8 TeV center…

hep-ex2014★ 68 cited

Precision measurement of the ratio of the $Λ_{b}^{0}$ to $B^{0}$ lifetimes

LHCb collaboration, R. Aaij, B. Adeva +680

The LHCb measurement of the lifetime ratio of the $Λ_{b}^{0}$ to the $B^{0}$ meson is updated using data corresponding to an integrated luminosity of 3.0 fb $^{- 1}$ collected u…

hep-ex2014★ 26 cited

A study of CP violation in $B^{\pm} \to D K^{\pm}$ and $B^{\pm} \to D π^{\pm}$ decays with $D \to K_{S}^{0} K^{\pm} π^{\mp}$ final states

LHCb collaboration, R. Aaij, B. Adeva +682

A first study of CP violation in the decay modes $B^{\pm} \to [K_{S}^{0} K^{\pm} π^{\mp}]_{D} h^{\pm}$ and $B^{\pm} \to [K_{S}^{0} K^{\mp} π^{\pm}]_{D} h^{\pm}$ , where $h$ labels a $K$ or $π$ meson…

hep-ex2013★ 98 cited

Study of $D_{J}$ meson decays to $D^{+} π^{-}$ , $D^{0} π^{+}$ and $D^{*+} π^{-}$ final states in pp collision

LHCb collaboration, R. Aaij, B. Adeva +648

A study of $D^{+} π^{-}$ , $D^{0} π^{+}$ and $D^{*+} π^{-}$ final states is performed using pp collision data, corresponding to an integrated luminosity of 1.0 $f b^{- 1}$ , collected at a centre-…

Measurement of the χb​(3P) mass and of the relative rate of χb1​(1P) and χb2​(1P) production

First observation of a baryonic Bc+​ decay

Measurements of CP violation in the three-body phase space of charmless B± decays

Measurement of the CKM angle γusing B^\pm --> D K^\pm with D-->K_Sπ^+π^-, K_SK^+K^- decays

Measurement of CP asymmetries in the decays B0→K∗0μ+μ− and B+→K+μ+μ−

Measurement of the B0bar-B0 and Bsbar-Bs production asymmetries in pp collisions at sqrt(s)=7 TeV

Study of χb​ meson production in pp collisions at s​=7 and 8TeV and observation of the decay χb​→Υ(3S)γ

Observation of the Λb0​→J/ψpπ− decay

Measurement of the ratio of Bc+​ branching fractions to J/ψπ+ and J/ψμ+νμ​

Dalitz plot analysis of Bs0​→Dˉ0K−π+ decays

Observation of Bs0​→K∗±K∓ and evidence for Bs0​→K∗−π+ decays

Measurement of CP violation and constraints on the CKM angle γ in B±→DK± with D→KS0​π+π− decays

Observation of charmonium pairs produced exclusively in pp collisions

Search for CP violation in D±→KS0​K± and Ds±​→KS0​π± decays

Effective lifetime measurements in the Bs0​→K+K−, B0→K+π− and Bs0​→π+K− decays

Measurement of the CP-violating phase ϕs​ in Bs0​→J/ψπ+π− decays

Study of the kinematic dependences of Λb0​ production in pp collisions and a measurement of the Λb0​→Λc+​π− branching fraction

Observation of the Bs0​→J/ψKS0​K±π∓ decay

Observation of the resonant character of the Z(4430)− state

Evidence for the decay Bc+​→J/ψ3π+2π−

Study of beauty hadron decays into pairs of charm hadrons

Precision measurement of the ratio of the Λb0​ to B0 lifetimes

A study of CP violation in B±→DK± and B±→Dπ± decays with D→KS0​K±π∓ final states

Study of DJ​ meson decays to D+π−, D0π+ and D∗+π− final states in pp collision

Measurement of the $χ_{b} (3 P)$ mass and of the relative rate of $χ_{b 1} (1 P)$ and $χ_{b 2} (1 P)$ production

First observation of a baryonic $B_{c}^{+}$ decay

Measurements of $C P$ violation in the three-body phase space of charmless $B^{\pm}$ decays

Measurement of $C P$ asymmetries in the decays $B^{0} \to K^{* 0} μ^{+} μ^{-}$ and $B^{+} \to K^{+} μ^{+} μ^{-}$

Study of $χ_{b}$ meson production in pp collisions at $s = 7$ and 8TeV and observation of the decay $χ_{b} \to Υ (3 S) γ$

Observation of the $Λ_{b}^{0} \to J / ψ p π^{-}$ decay

Measurement of the ratio of $B_{c}^{+}$ branching fractions to $J / ψ π^{+}$ and $J / ψ μ^{+} ν_{μ}$

Dalitz plot analysis of $B_{s}^{0} \to D ˉ^{0} K^{-} π^{+}$ decays

Observation of $B_{s}^{0} \to K^{\pm} K^{\mp}$ and evidence for $B_{s}^{0} \to K^{-} π^{+}$ decays

Measurement of $C P$ violation and constraints on the CKM angle $γ$ in $B^{\pm} \to D K^{\pm}$ with $D \to K_{S}^{0} π^{+} π^{-}$ decays

Observation of charmonium pairs produced exclusively in $pp$ collisions

Search for CP violation in $D^{\pm} \to K_{S}^{0} K^{\pm}$ and $D_{s}^{\pm} \to K_{S}^{0} π^{\pm}$ decays

Effective lifetime measurements in the $B_{s}^{0} \to K^{+} K^{-}$ , $B^{0} \to K^{+} π^{-}$ and $B_{s}^{0} \to π^{+} K^{-}$ decays

Measurement of the CP-violating phase $ϕ_{s}$ in $B_{s}^{0} \to J / ψ π^{+} π^{-}$ decays

Study of the kinematic dependences of $Λ_{b}^{0}$ production in $pp$ collisions and a measurement of the $Λ_{b}^{0} \to Λ_{c}^{+} π^{-}$ branching fraction

Observation of the $B_{s}^{0} \to J / ψ K_{S}^{0} K^{\pm} π^{\mp}$ decay

Observation of the resonant character of the $Z (4430)^{-}$ state

Evidence for the decay $B_{c}^{+} \to J / ψ 3 π^{+} 2 π^{-}$

Precision measurement of the ratio of the $Λ_{b}^{0}$ to $B^{0}$ lifetimes

A study of CP violation in $B^{\pm} \to D K^{\pm}$ and $B^{\pm} \to D π^{\pm}$ decays with $D \to K_{S}^{0} K^{\pm} π^{\mp}$ final states

Study of $D_{J}$ meson decays to $D^{+} π^{-}$ , $D^{0} π^{+}$ and $D^{*+} π^{-}$ final states in pp collision