Anne Keune

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Production of J/psi and gamma mesons in pp collisions at root s=8 TeV

Olivier Schneider, Yiming Li, Aurelio Bay, Guido Haefeli, Frédéric Blanc, Christoph Frei, Tatsuya Nakada, Julien Rouvinet, Barinjaka Rakotomiaramanana, Raluca Anca Muresan

The production of J/psi and gamma mesons in pp collisions at root s = 8 TeV is studied with the LHCb detector. The J/psi and gamma mesons are reconstructed in the mu(+)mu(-) decay mode and the signal yields are determined with a fit to the mu(+)mu(-) invar ...

Springer Nature2013

Observations of B-S(0) ->psi(2S)eta and B-(s)(0) ->psi(2S)pi(+)pi(-) decays

Olivier Schneider, Yiming Li, Aurelio Bay, Guido Haefeli, Frédéric Blanc, Christoph Frei, Tatsuya Nakada, Julien Rouvinet, Barinjaka Rakotomiaramanana, Michel De Cian

First observations of the B-S(0) ->psi(2S)eta, B-(s)(0) ->psi(2S)pi(+)pi(-) decays are made using a dataset corresponding to an integrated luminosity of 1.0 fb(-1) collected by the LHCb experiment in proton proton collisions at a centre-of-mass energy of r ...

Elsevier2013

Studies of the decays B+ -> p(p)over-barph(+) and observation of B+ -> (Lambda)over-bar(1520)p

Olivier Schneider, Aurelio Bay, Yiming Li, Guido Haefeli, Frédéric Blanc, Christoph Frei, Tatsuya Nakada, Julien Rouvinet, Barinjaka Rakotomiaramanana, Michel De Cian

Dynamics and direct CP violation in three-body charmless decays of charged B mesons to a proton, an antiproton and a light meson (pion or kaon) are studied using data, corresponding to an integrated luminosity of 1:0 fb(-1), llected by the LHCb experiment ...

American Physical Society2013

Measurement of the B-0 -> K*(0) e(+) e(-) branching fraction at low dilepton mass

Olivier Schneider, Yiming Li, Aurelio Bay, Guido Haefeli, Frédéric Blanc, Christoph Frei, Tatsuya Nakada, Julien Rouvinet, Barinjaka Rakotomiaramanana, Michel De Cian

The branching fraction of the rare decay B-0 -> K*(0) e(+) e(-) in the dilepton mass region from 30 to 1000 MeV/c(2) has been measured by the LHCb experiment, using pp collision data, corresponding to an integrated luminosity of 1.0 fb(-1), at a centre-of- ...

Springer Nature2013

Search for the rare decay D-0 -> mu(+) mu(-)

Olivier Schneider, Yiming Li, Aurelio Bay, Guido Haefeli, Frédéric Blanc, Christoph Frei, Tatsuya Nakada, Julien Rouvinet, Barinjaka Rakotomiaramanana, Raluca Anca Muresan

A search for the rare decay D-0 -> mu(+) mu(-) is performed using a data sample, corresponding to an integrated luminosity of 0.9 fb(-1), of pp collisions collected at a centre-of-mass energy of 7 TeV by the LHCb experiment. The observed number of events i ...

Elsevier2013

A study of the Z production cross-section in pp collisions at root s=7 TeV using tau final states

Olivier Schneider, Yiming Li, Aurelio Bay, Guido Haefeli, Frédéric Blanc, Christoph Frei, Tatsuya Nakada, Julien Rouvinet, Barinjaka Rakotomiaramanana, Michel De Cian

A measurement of the inclusive Z -> tau tau cross-section in p p collisions at root s = 7 TeV is presented based on a dataset of 1.0 fb(-1) collected by the LHCb detector. Candidates for Z -> tau tau decays are identified through reconstructed final states ...

Springer Nature2013

Measurement of CP observables in B-0 -> DK*(0) with D -> K+K-

Olivier Schneider, Yiming Li, Aurelio Bay, Guido Haefeli, Frédéric Blanc, Christoph Frei, Tatsuya Nakada, Julien Rouvinet, Barinjaka Rakotomiaramanana, Michel De Cian

The decay B-0 -> DK*(0) and the charge conjugate mode are studied using 1.0 fb(-1) of pp collision data collected by the LHCb experiment at /s = 7 TeV in 2011. The CP asymmetry between the B-0 -> DK*(0) and the B-0 -> DK*(0) decay rates, with the neutral ...

Springer Nature2013

First measurement of time-dependent CP violation in B-s(0) -> K+K- decays

Olivier Schneider, Yiming Li, Aurelio Bay, Guido Haefeli, Frédéric Blanc, Christoph Frei, Tatsuya Nakada, Julien Rouvinet, Barinjaka Rakotomiaramanana, Raluca Anca Muresan

Direct and mixing-induced CP-violating asymmetries in B-s(0) -> K+K- decays are measured for the first time using a data sample of p p collisions, corresponding to an integrated luminosity of 1.0 fb(-1), collected with the LHCb detector at a centre-of-mass ...

Springer Nature2013

Measurement of the effective B-S(0) -> J/psi K-S(0) lifetime

Olivier Schneider, Yiming Li, Aurelio Bay, Guido Haefeli, Frédéric Blanc, Christoph Frei, Tatsuya Nakada, Julien Rouvinet, Barinjaka Rakotomiaramanana, Michel De Cian

This paper reports the first measurement of the effective B-S(0) -> J/psi K-S(0) lifetime and an updated measurement of its time-integrated branching fraction. Both measurements are performed with a data sample, corresponding to an integrated luminosity of ...

Elsevier Science Bv2013

Analysis of the resonant components in (B)over-bar(0) -> J/psi pi(+)pi(-)

Olivier Schneider, Yiming Li, Aurelio Bay, Guido Haefeli, Frédéric Blanc, Christoph Frei, Tatsuya Nakada, Julien Rouvinet, Barinjaka Rakotomiaramanana, Michel De Cian

Interpretation of CP violation measurements using charmonium decays, in both the (B) over bar (0) and (B) over bar (0)(s) systems, can be subject to changes due to "penguin" type diagrams. These effects can be investigated using measurements of the Cabibbo ...

American Physical Society2013

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