C. Frei

activity

20222026

most citedStudy of $\itΛ_{\it{b}}^\rm{0}$ and $\itΞ_{\it{b}}^\rm{0}$ decays to

Λ h^{+} h^{^{'} -}

and evidence for

C P

violation in $\itΛ_{\it{b}}^\rm{0}\to\itΛ K^+K^-$ decays

19 citations · 31 across the 6 of their papers we have counts for

collaborators

6 papers

math.NT2026

Rational integers as sums of units -- the quadratic case

Christopher Frei, Martin Widmer, Volker Ziegler

How many natural numbers below $X$ can be written as a sum of $k$ units of the ring of integers of a given number field? We give the asymptotics as $X$ gets large for quadratic num…

hep-ex2024★ 19 cited

Study of $\itΛ_{\it{b}}^\rm{0}$ and $\itΞ_{\it{b}}^\rm{0}$ decays to $Λ h^{+} h^{^{'} -}$ and evidence for $C P$ violation in $\itΛ_{\it{b}}^\rm{0}\to\itΛ K^+K^-$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1134

A study of $\itΛ_{\it{b}}^\rm{0}$ and $\itΞ_{\it{b}}^\rm{0}$ decays to $Λ h^{+} h^{' -}$ $(h^{(')} = π, K)$ is performed using $pp$ collision data collected by the LHCb…

hep-ex2023★ 5 cited

Observation of the decays $B_{(s)}^{0} \to D_{s 1} (2536)^{\mp} K^{\pm}$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1088

This paper reports the observation of the decays $B_{(s)}^{0} \to D_{s 1} (2536)^{\mp} K^{\pm}$ using proton-proton collision data collected by the LHCb experiment, corresponding to an…

hep-ex2023★ 2 cited

Observation of the $B_{s}^{0} \to χ_{c 1} (3872) π^{+} π^{-}$ decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1045

The first observation of the $B_{s}^{0} \to (χ_{c 1} (3872) \to J / ψ π^{+} π^{-}) π^{+} π^{-}$ decay is reported using proton-proton collision data, corresponding to int…

hep-ex2022★ 3 cited

First observation and branching fraction measurement of the $Λ_{b}^{0} \to D_{s}^{-} p$ decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1048

The first observation of the $Λ_{b}^{0} \to D_{s}^{-} p$ decay is presented using proton-proton collision data collected by the LHCb experiment at a centre-of-mass energy of ${\sqrt{s}=13 \…

hep-ex2022★ 2 cited

Study of $B_{c}^{+}$ meson decays to charmonia plus multihadron final states

LHCb Collaboration, R. Aaij, A. S. W. Abdelmotteleb +1058

Four decay modes of the $B_{c}^{+}$ meson into a $J / ψ$ meson and multiple charged kaons or pions are studied using proton-proton collision data, collected with the~LHCb detector at cen…

Rational integers as sums of units -- the quadratic case

Study of $\itΛ_{\it{b}}^\rm{0}$ and $\itΞ_{\it{b}}^\rm{0}$ decays to Λh+h′− and evidence for CP violation in $\itΛ_{\it{b}}^\rm{0}\to\itΛ K^+K^-$ decays

Observation of the decays B(s)0​→Ds1​(2536)∓K±

Observation of the Bs0​→χc1​(3872)π+π− decay

First observation and branching fraction measurement of the Λb0​→Ds−​p decay

Study of Bc+​ meson decays to charmonia plus multihadron final states

Study of $\itΛ_{\it{b}}^\rm{0}$ and $\itΞ_{\it{b}}^\rm{0}$ decays to $Λ h^{+} h^{^{'} -}$ and evidence for $C P$ violation in $\itΛ_{\it{b}}^\rm{0}\to\itΛ K^+K^-$ decays

Observation of the decays $B_{(s)}^{0} \to D_{s 1} (2536)^{\mp} K^{\pm}$

Observation of the $B_{s}^{0} \to χ_{c 1} (3872) π^{+} π^{-}$ decay

First observation and branching fraction measurement of the $Λ_{b}^{0} \to D_{s}^{-} p$ decay

Study of $B_{c}^{+}$ meson decays to charmonia plus multihadron final states