H. Sieber

collaborators

3 papers

hep-ph2021

Probing Hidden Sectors with a muon beam: Total and differential cross-sections for vector boson production in muon bremsstrahlung

D. V. Kirpichnikov, H. Sieber, L. Molina Bueno +2

Vector bosons, such as Dark Photon $A^{'}$ or $Z^{'}$ , can couple to muons and be produced in the bremsstrahlung reaction $μ^{-} + N \to μ^{-} + N + A^{'} (Z^{'})$ . Their possible subsequen…

hep-ex2021

Constraints on New Physics in the Electron g-2 from a Search for Invisible Decays of a Scalar, Pseudoscalar, Vector, and Axial Vector

Yu. M. Andreev, D. Banerjee, J. Bernhard +49

We performed a search for a new generic $X$ boson, which could be a scalar ( $S$ ), pseudoscalar ( $P$ ), vector ( $V$ ) or an axial vector ( $A$ ) particle produced in the 100 GeV electro…

hep-ex2020

Hunting down the X17 boson at the CERN SPS

E. Depero, Yu. M. Andreev, D. Banerjee +53

Recently, the ATOMKI experiment has reported new evidence for the excess of $e^{+} e^{-}$ events with a mass $\sim$ 17 MeV in the nuclear transitions of $^{4}$ He, that they previously obs…