Tracking of charged particles with nanosecond lifetimes at LHCb

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Observation of the Radiative Decays of Upsilon(1S) to chi(c1)

Mingkui Wang, Olivier Schneider, Chao Wang, Yiming Li, Sun Hee Kim

We report the first observation of the radiative decay of the Upsilon(1S) into a charmonium state. The significance of the observed signal of Upsilon(1S) -> gamma chi(c1) is 6.3 standard deviations including systematics. The branching fraction is calculate ...

AMER PHYSICAL SOC2020

Constraints on the K-S(0) -> mu(+) mu(-) Branching Fraction

Olivier Schneider, Aurelio Bay, Guido Haefeli, Tatsuya Nakada, Frédéric Blanc, Lesya Shchutska, Elena Graverini, Michel De Cian, Vladimir Macko, Federico Leo Redi, Sebastian Schulte, Tara Nanut, Minh Tâm Tran, Violaine Bellée, Guillaume Max Pietrzyk, Pavol Stefko, Pietro Marino, Maria Vieites Diaz, Marie Theres Christin Bachmayer, Lino Ferreira Lopes, Matthieu Philippe Luther Marinangeli, Serhii Cholak, Veronica Sølund Kirsebom, Maria Elena Stramaglia, Surapat Ek-In, Ana Bárbara Rodrigues Cavalcante, Guido Andreassi, Sara Celani, Plamen Hristov Hopchev, Carina Trippl, Sonia Amina Bouchiba, Thi Dung Nguyen, Alison Maria Tully, Mâu Chung Nguyên

A search for the decay K-S(0) -> mu(+) mu(-) is performed using proton-proton collision data, corresponding to an integrated luminosity of 5.6 fb(-1) and collected with the LHCb experiment during 2016, 2017, and 2018 at a center-of-mass energy of 13 TeV. T ...

AMER PHYSICAL SOC2020

Erratum to: Search for B decays to final states with the eta (c) meson (vol 06, 132, 2015)

Mingkui Wang, Olivier Schneider, Chao Wang, Sun Hee Kim

Springer Nature2017

Study of excited Xi(c) states decaying into Xi(0)(c) and Xi(+)(c) baryons

Mingkui Wang, Olivier Schneider, Chao Wang, Yiming Li, Ho Ling Li, Sun Hee Kim, Tara Nanut, Jun Yong Kim

Using a data sample of 980 fb(-1) of e(+)e(-) annihilation data taken with the Belle detector operating at the KEKB asymmetric-energy e(+)e(-) collider, we report the results of a study of excited Xi(c) states that decay, via the emission of photons and/or ...

American Physical Society2016

Anomaly driven signatures of new invisible physics at the Large Hadron Collider

Alexey Boyarsky, Oleg Ruchayskiy

Many extensions of the Standard Model (SM) predict new neutral vector bosons at energies accessible by the Large Hadron Collider (LHC). We study an extension of the SM with new chiral fermions subject to non-trivial anomaly cancellations. If the new fermio ...

2010