• Search for A′→μ+μ− Decays 

      Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Physical Review Letters, 2020, Vol.124, 041801, 2020-01)
      Searches are performed for both promptlike and long-lived dark photons, A′, produced in proton-proton collisions at a center-of-mass energy of 13 TeV. These searches look for A′→μ+μ− decays using a data ...
    • Search for CP violation in D + → ϕπ + and D+s→K0Sπ+ decays 

      Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Journal of High Energy Physics, 2013, Vol. 2013, No.6 (Juny), 2013-06-28)
      A search for CP violation in D + → ϕπ + decays is performed using data collected in 2011 by the LHCb experiment corresponding to an integrated luminosity of 1.0 fb−1 at a centre of mass energy of 7 TeV. ...
    • Search for CP violation in D+ → K−K+π+ decays 

      Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Physical Review D, 2011, Vol. 84 , No. 11 (Desembre), 2011-12-28)
      A model-independent search for direct CP violation in the Cabibbo-suppressed decay D+→K−K+π+ in a sample of approximately 370 000 decays is carried out. The data were collected by the LHCb experiment ...
    • Search for CP violation in D+(s)→h+π0 and D+(s)→h+η decays 

      LHCb Collaboration - CERN; Calvo Gómez, Míriam; Camboni, Alessandro; Golobardes, Elisabet; Valls Canudas, Núria; Vilasís Cardona, Xavier (Journal of High Energy Physics, 2021, Vol.6, No. 19, 2021-06)
      Searches for CP violation in the two-body decays D+(s)→h+π0 and D+(s)→h+η (where h+ denotes a π+ or K+ meson) are performed using pp collision data collected by the LHCb experiment corresponding to ...
    • Search for CP violation in D0 → π− π+ π0 decays with the energy test 

      Calvo Gómez, Míriam; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Physics Letters B , 2015, Vol. 740, (Gener), 2015-01-05)
      A search for time-integrated CP violation in the Cabibbo-suppressed decay D-0 -> pi(-)pi(+)pi(0) ir is performed using for the first time an unbinned model-independent technique known as the energy test. ...
    • Search for CP violation in the decay D+→π−π+π+ 

      Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Physics Letters B , 2014, Vol. 728, (Gener), 2014-01-20)
      A search for CP violation in the phase space of the decay $D^+\to\pi^-\pi^+\pi^+$ is reported using $pp$ collision data, corresponding to an integrated luminosity of 1.0 fb$^{-1}$, collected by the LHCb ...
    • Search for CP violation using T-odd correlations in D 0 → K + K −π+π− decays 

      Badalov, Alexey; Calvo Gómez, Míriam; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Journal of High Energy Physics, 2014, Vol. 2014, No.10 (Octubre), 2014-10-01)
      A search for CP violation using T-odd correlations is performed using the four-body D 0 → K + K −π+π− decay, selected from semileptonic B decays. The data sample corresponds to integrated luminosities ...
    • Search for D+(s) → π+μ+μ− and D+(s) → π−μ+μ+ decays 

      Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Physics Letters B, 2013, Vol. 724, No. 4-5 (Juliol), 2013-07-23)
      A search for non-resonant D+(s) to pi+mu+mu- and D+(s) to pi-mu+mu+ decays is performed using proton-proton collision data, corresponding to an integrated luminosity of 1.0 fb-1, at sqrt(s) = 7 TeV ...
    • Search for direct CP violation in D0 → h−h+ modes using semileptonic B decays 

      Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Physics Letters B, 2013, Vol. 723, No. 1-3 (Juny), 2013-06-10)
      A search for direct CP violation in D0 -> h- h+ (where h=K or pi) is presented using data corresponding to an integrated luminosity of 1.0 fb^-1 collected in 2011 by LHCb in pp collisions at a centre-of-mass ...
    • Search for Hidden-Sector Bosons in B0→K*0μ+μ− Decays 

      Badalov, Alexey; Calvo Gómez, Míriam; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Physical Review Letters, 2015, Vol. 115, No. 16 (Octubre), 2015-10-16)
      A search is presented for hidden-sector bosons, χ, produced in the decay B0→K∗(892)0χ, with K∗(892)0→K+π− and χ→μ+μ−. The search is performed using pp-collision data corresponding to 3.0  fb−1 collected ...
    • Search for Lepton Number Violating Decays B+→π−μ+μ+ and B+→K−μ+μ+ 

      Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Physical Review Letters, 2012, Vol. 108, No. 10 (Març), 2012-03-07)
      A search is performed for the lepton number violating decay B+→h−μ+μ+, where h− represents a K− or a π−, using an integrated luminosity of 36  pb−1 of data collected with the LHCb detector. The decay ...
    • Search for long-lived particles decaying to e ± μ∓ ν 

      Calvo Gómez, Míriam; Golobardes, Elisabet; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (European Physical Journal C, 2021, Vol. 81, No. 261, 2021-03)
      Long-lived particles decaying to e±μ∓ν, with masses between 7 and 50GeV/c2 and lifetimes between 2 and 50ps, are searched for by looking at displaced vertices containing electrons and muons of opposite ...
    • Search for long-lived particles decaying to jet pairs 

      Badalov, Alexey; Calvo Gómez, Míriam; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (The European Physical Journal C, 2015, Vol. 75, no. 4 (Abril), 2015-04-17)
      A search is presented for long-lived particles with a mass between 25 and 50 GeV/c2 and a lifetime between 1 and 200ps in a sample of proton–proton collisions at a centre-of-mass energy of s√=7 TeV, ...
    • Search for Majorana Neutrinos in B−→π+μ−μ− Decays 

      Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Physical Review Letters, 2014, Vol. 112, No. 13 (Abril), 2014-04-03)
      A search for heavy Majorana neutrinos produced in the B−→π+μ−μ− decay mode is performed using 3  fb−1 of integrated luminosity collected with the LHCb detector in pp collisions at center-of-mass energies ...
    • Search for Rare B 0 ( s ) → μ + μ − μ + μ − Decays 

      Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Physical Review Letters, 2013, Vol. 110, No. 21, 2013-05)
      A search for the decays B 0 s → μ + μ − μ + μ − and B 0 → μ + μ − μ + μ − is performed using data, corresponding to an integrated luminosity of 1.0     fb − 1 , collected with the LHCb detector in ...
    • Search for the decay B0s → D*∓ π± 

      Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Physical Review D, 2013, Vol. 87 , No.7 (Abril), 2013-04-23)
      A search for the decay B0s→D*∓π± is presented using a data sample corresponding to an integrated luminosity of 1.0  fb−1 of pp collisions collected by LHCb. This decay is expected to be mediated by a ...
    • Search for the decay B0s→D¯¯¯¯0f0(980) 

      Badalov, Alexey; Calvo Gómez, Míriam; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Journal of High Energy Physics, 2015, Vol. 2015, No.8 (Agost), 2015-08-03)
      A search for B0s→D¯¯¯¯0f0(980) decays is performed using 3.0 fb1− of pp collision data recorded by the LHCb experiment during 2011 and 2012. The f0(980) meson is reconstructed through its decay to the ...
    • Search for the decay D0→π+π−μ+μ− 

      Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Physics Letters B , 2014, Vol. 728, (Gener), 2014-01-20)
      A search for the D0→π+π−μ+μ− decay, where the muon pair does not originate from a resonance, is performed using proton–proton collision data corresponding to an integrated luminosity of 1.0 fb−1 recorded ...
    • Search for the doubly charmed baryon Ξ+ cc 

      Badalov, Alexey; Calvo Gómez, Míriam; Camboni, Alessandro; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Journal of High Energy Physics, 2013, No. 90, 2013-12)
      A search for the doubly charmed baryon Ξ+ cc in the decay mode Ξ+ cc→ Λ + c K−π + is performed with a data sample, corresponding to an integrated luminosity of 0.65 fb−1 , of pp collisions recorded at ...
    • Search for the lepton flavour violating decay τ − → μ − μ + μ − 

      Badalov, Alexey; Calvo Gómez, Míriam; Vilasís Cardona, Xavier; LHCb Collaboration - CERN (Journal of High Energy Physics, 2015, Vol. 2015, No.2 (Febrer), 2015-02-18)
      A search for the lepton flavour violating decay τ − → μ − μ + μ − is performed with the LHCb experiment. The data sample corresponds to an integrated luminosity of 1.0 fb−1 of proton-proton collisions ...