Search for long-lived heavy neutral leptons in proton-proton collision events with a lepton-jet pair associated with a secondary vertex at s = 13 TeV

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Measurement of the inclusive and differential t(t)over-bar gamma cross sections in the single-lepton channel and EFT interpretation at root s=13 TeV

Jan Steggemann, Konstantin Androsov, Joanna Malgorzata Wanczyk

The production cross section of a top quark pair in association with a photon is measured in proton-proton collisions at a center-of-mass energy of 13 TeV. The data set, corresponding to an integrated luminosity of 137 fb(-1), was recorded by the CMS exper ...

Springer Nature2021

Flavoured axions in the tail of B-q -> mu(+)mu(-) and B -> gamma* form factors

Emmanuel Stamou

We discuss how LHC di-muon data collected to study B-q -> mu mu can be used to constrain light particles with flavour-violating couplings to b-quarks. Focussing on the case of a flavoured QCD axion, a, we compute the decay rates for B-q -> mu mu a and the ...

Springer Nature2021

Reversible solid-oxide cell stack based power-to-x-to-power systems: Economic potential evaluated via plant capital-cost target

Jan Van Herle

Electrical energy storage systems are indispensable for the electrical grid with high penetration renewables. Reversible solid-oxide cell stack based power-to-x-to-power systems, which can switch between power generation and power storage, can achieve a hi ...

ELSEVIER SCI LTD2021

Constraining neutrino masses with weak-lensing multiscale peak counts

Austin Chandler Peel

Massive neutrinos influence the background evolution of the Universe as well as the growth of structure. Being able to model this effect and constrain the sum of their masses is one of the key challenges in modern cosmology. Weak-lensing cosmological const ...

American Physical Society2020

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

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