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A Birnkraut

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Articles 78
Citations 59
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Recent Articles
1.
Aaij R, Abellan Beteta C, Adeva B, Adinolfi M, Aidala C, Ajaltouni Z, et al.
Phys Rev Lett . 2020 Apr; 124(12):122002. PMID: 32281875
The ratio of the B_{s}^{0} and B^{+} fragmentation fractions f_{s} and f_{u} is studied with B_{s}^{0}→J/ψϕ and B^{+}→J/ψK^{+} decays using data collected by the LHCb experiment in proton-proton collisions at...
2.
Aaij R, Abellan Beteta C, Adeva B, Adinolfi M, Aidala C, Ajaltouni Z, et al.
Phys Rev Lett . 2020 Feb; 124(3):031801. PMID: 32031835
Observations are reported of different sources of CP violation from an amplitude analysis of B^{+}→π^{+}π^{+}π^{-} decays, based on a data sample corresponding to an integrated luminosity of 3  fb^{-1} of...
3.
Aaij R, Adeva B, Adinolfi M, Ajaltouni Z, Akar S, Albrecht J, et al.
Eur Phys J C Part Fields . 2020 Jan; 77(9):609. PMID: 31997939
Using decays to -meson pairs, the inclusive production of charmonium states in -hadron decays is studied with collision data corresponding to an integrated luminosity of , collected by the LHCb...
4.
Aaij R, Adeva B, Adinolfi M, Ajaltouni Z, Akar S, Albrecht J, et al.
Eur Phys J C Part Fields . 2020 Jan; 77(12):812. PMID: 31997934
A search is presented for long-lived particles with a mass between 25 and 50 and a lifetime between 2 and 500 ps, using proton-proton collision data corresponding to an integrated...
5.
Aaij R, Adeva B, Adinolfi M, Ajaltouni Z, Akar S, Albrecht J, et al.
Eur Phys J C Part Fields . 2020 Jan; 77(10):678. PMID: 31997922
A search for the decay is performed, based on a data sample of proton-proton collisions corresponding to an integrated luminosity of , collected by the LHCb experiment at centre-of-mass energies...
6.
Aaij R, Abellan Beteta C, Ackernley T, Adeva B, Adinolfi M, Aidala C, et al.
Phys Rev Lett . 2020 Jan; 123(24):241802. PMID: 31922836
A search for the lepton-flavor violating decays B^{+}→K^{+}μ^{±}e^{∓} is performed using a sample of proton-proton collision data, collected with the LHCb experiment at center-of-mass energies of 7 and 8 TeV...
7.
Aaij R, Abellan Beteta C, Adeva B, Adinolfi M, Aidala C, Ajaltouni Z, et al.
Phys Rev Lett . 2019 Dec; 123(23):232001. PMID: 31868452
The production of charged hadrons within jets recoiling against a Z boson is measured in proton-proton collision data at sqrt[s]=8  TeV recorded by the LHCb experiment. The charged-hadron structure of...
8.
Aaij R, Abellan Beteta C, Adeva B, Adinolfi M, Aidala C, Ajaltouni Z, et al.
Phys Rev Lett . 2019 Dec; 123(23):231802. PMID: 31868437
The first amplitude analysis of the B^{±}→π^{±}K^{+}K^{-} decay is reported based on a data sample corresponding to an integrated luminosity of 3.0  fb^{-1} of pp collisions recorded in 2011 and...
9.
Aaij R, Abellan Beteta C, Adeva B, Adinolfi M, Aidala C, Ajaltouni Z, et al.
Phys Rev Lett . 2019 Dec; 123(21):211801. PMID: 31809134
Results are reported from a search for the rare decays B_{s}^{0}→τ^{±}μ^{∓} and B^{0}→τ^{±}μ^{∓}, where the τ lepton is reconstructed in the channel τ^{-}→π^{-}π^{+}π^{-}ν_{τ}. These processes are effectively forbidden in the...
10.
Aaij R, Abellan Beteta C, Ackernley T, Adeva B, Adinolfi M, Afsharnia H, et al.
Phys Rev Lett . 2019 Nov; 123(15):152001. PMID: 31702304
We report the observation of a new structure in the Λ_{b}^{0}π^{+}π^{-} spectrum using the full LHCb data set of pp collisions, corresponding to an integrated luminosity of 9  fb^{-1}, collected...