N. Berger
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View article: Simplified template cross sections – Stage 1.1 and 1.2
Simplified template cross sections – Stage 1.1 and 1.2 Open
Simplified Template Cross Sections (STXS) have been adopted by the LHC experiments as a common framework for Higgs measurements. Their purpose is to reduce the theoretical uncertainties that are directly folded into the measurements as muc…
View article: Study of the reactions $\bar{n} p \to 2π^{+}π^{-}$, $2π^{+}π^{-}π^{0}$, and $2π^{+}π^{-}2π^{0}$ using $J/ψ\to p π^{-}\bar{n}$
Study of the reactions $\bar{n} p \to 2π^{+}π^{-}$, $2π^{+}π^{-}π^{0}$, and $2π^{+}π^{-}2π^{0}$ using $J/ψ\to p π^{-}\bar{n}$ Open
We report an experimental investigation of the reactions $\bar{n} p \to 2π^{+}π^{-}$, $\bar{n} p \to 2π^{+}π^{-}π^{0}$, and $\bar{n} p \to 2π^{+}π^{-}2π^{0}$ using $(10.087 \pm 0.044) \times 10^{9}$ $J/ψ$ events collected with the BESIII d…
Observation of , Test of Lepton Flavor Universality, and First Angular Analysis of Open
We report a study of the semileptonic decays D+→KS0π0ℓ+νℓ (ℓ=e, μ) based on 20.3 fb−1 of e+e− collision data collected at the center-of-mass energy of 3.773 GeV with the BESIII detector. The D+→KS0π0μ+νμ decay is observed for the first ti…
View article: First measurements of the branching fractions of $J/ψ\to Ξ^0\barΛK^0_S+c.c.$, $J/ψ\to Ξ^0\barΣ^0 K^0_S+c.c.$, and $J/ψ\to Ξ^0\barΣ^- K^++c.c.$
First measurements of the branching fractions of $J/ψ\to Ξ^0\barΛK^0_S+c.c.$, $J/ψ\to Ξ^0\barΣ^0 K^0_S+c.c.$, and $J/ψ\to Ξ^0\barΣ^- K^++c.c.$ Open
By analyzing $(10087 \pm 44)\times10^6$ $J/ψ$ events collected with the BESIII detector at the BEPCII, the decays $J/ψ\to Ξ^0\barΛK^0_S+c.c.$, $J/ψ\to Ξ^0\barΣ^0 K^0_S+c.c.$, and $J/ψ\to Ξ^0\barΣ^- K^++c.c.$ are observed for the first time…
View article: Observation of a resonance-like structure near the $π^+π^-$ mass threshold in $ψ(3686) \rightarrow π^{+}π^{-}J/ψ$
Observation of a resonance-like structure near the $π^+π^-$ mass threshold in $ψ(3686) \rightarrow π^{+}π^{-}J/ψ$ Open
Based on the $(2712.4\pm14.4)\times 10^{6}$ $ψ(3686)$ events collected with the BESIII detector, we present a high-precision study of the $π^+π^-$ mass spectrum in $ψ(3686)\rightarrowπ^{+}π^{-}J/ψ$ decays. A clear resonance-like structure …
View article: Cryogenics and purification systems of the ICARUS T600 detector installation at Fermilab
Cryogenics and purification systems of the ICARUS T600 detector installation at Fermilab Open
This paper describes the cryogenic and purification systems of the ICARUS T600 detector in its present implementation at the Fermi National Laboratory, Illinois, USA. The ICARUS T600 detector is made of four large Time Projection Chambers,…
View article: First Observation of $Λ$ Hyperon Transverse Polarization in $ψ(3686)\toΛ\barΛ$
First Observation of $Λ$ Hyperon Transverse Polarization in $ψ(3686)\toΛ\barΛ$ Open
Based on $(448.1\pm2.9)\times10^{6}$ $ψ(3686)$ events collected with the BESIII detector at the BEPCII collider, we present the first observation of spin transverse polarization of $Λ$ and $\barΛ$ hyperons produced coherently in the decay …
View article: Measurement of the space-like $π^0$ transition form factor
Measurement of the space-like $π^0$ transition form factor Open
Based on $2.93\,\text{fb}^{-1}$ of $e^+e^-$ collision data taken with the BESIII detector at a center-of-mass energy of $3.773\,\text{GeV}$, the two-photon fusion process $e^+e^-\to e^+e^-π^0$ is investigated using a single-tag approach. T…
View article: Observation of ψ(3686) → $$ {\Xi}^{-}{K}_S^0{\overline{\varOmega}}^{+} $$ + c.c.
Observation of ψ(3686) → $$ {\Xi}^{-}{K}_S^0{\overline{\varOmega}}^{+} $$ + c.c. Open
A bstract Using a sample of (2 . 712 ± 0 . 014) × 10 9 ψ (3686) events collected with the BESIII detector at the electron positron collider BEPCII, the decay ψ (3686) → $$ {\Xi}^{-}{K}_S^0{\overline{\varOmega}}^{+} $$ + c.c. i…
View article: First measurement of $Σ^{+}n\rightarrowΛp$ and $Σ^{+}n\rightarrowΣ^{0}p$ cross-sections via $Σ^+$-nucleus scattering at an electron-positron collider
First measurement of $Σ^{+}n\rightarrowΛp$ and $Σ^{+}n\rightarrowΣ^{0}p$ cross-sections via $Σ^+$-nucleus scattering at an electron-positron collider Open
Using $(1.0087\pm0.0044)\times10^{10}$ $J/ψ$ events collected with the BESIII detector at the BEPCII storage ring, the reactions $Σ^{+}n\rightarrowΛp$ and $Σ^{+}n\rightarrowΣ^{0}p$ are studied, where the $Σ^{+}$ baryon is produced in the p…
View article: Observation of $χ_{cJ}(J=0,1,2)\rightarrow p\bar{p}ηη$
Observation of $χ_{cJ}(J=0,1,2)\rightarrow p\bar{p}ηη$ Open
Using $(2712.4\pm14.3)\times10^6$ $ψ(3686)$ events collected by the BESIII detector operating at the BEPCII storage ring, the decays $χ_{cJ}(J=0,1,2)\rightarrow p\bar{p}ηη$ are observed for the first time through the radiative transition $…
View article: Search for $η_{1}(1855)$ in $χ_{cJ}\toηηη^{\prime}$ decays
Search for $η_{1}(1855)$ in $χ_{cJ}\toηηη^{\prime}$ decays Open
Based on a sample of $2.7\times10^{9}$ $ψ(3686)$ events collected by the BESIII detector operating at the BEPCII collider, an analysis of the decay $ψ(3686)\toγχ_{cJ}, χ_{cJ}\toηηη^{\prime}$ is performed. The decay modes $χ_{c1}$ and $χ_{c…
View article: Search for a Hidden Sector Scalar from Kaon Decay in the Dimuon Final State at ICARUS
Search for a Hidden Sector Scalar from Kaon Decay in the Dimuon Final State at ICARUS Open
We present a search for long-lived particles (LLPs), produced in kaon decays, that decay to two muons inside the ICARUS neutrino detector. This channel would be a signal of hidden sector models that can address outstanding issues in partic…
View article: Observation of $ψ(3686) \to Ξ^- K^0_S \barΩ^+ $+c.c
Observation of $ψ(3686) \to Ξ^- K^0_S \barΩ^+ $+c.c Open
Using a sample of $(2.712\pm0.014) \times 10^{9}$ $ψ(3686)$ events collected with the BESIII detector at the electron positron collider BEPCII, the decay $ψ(3686) \to Ξ^- K^0_S \barΩ^+ +c.c.$ is observed for the first time, which has a sig…
View article: Evidence of doubly OZI-suppressed decay $η_{c} \to ωϕ$ in the radiative decay $J/ψ\to γη_{c}$
Evidence of doubly OZI-suppressed decay $η_{c} \to ωϕ$ in the radiative decay $J/ψ\to γη_{c}$ Open
Using a sample of $(10087\pm44) \times 10^{6}$ $J/ψ$ events collected with the BESIII detector at the BEPCII collider, the first evidence for the doubly OZI-suppressed decay $η_{c} \to ωϕ$ is reported with a significance of 4.0$σ$. The bra…
View article: Mg <sup>2+</sup> Supplementation Mitigates Metabolic Deficits Associated With TRPM7 Disruption
Mg <sup>2+</sup> Supplementation Mitigates Metabolic Deficits Associated With TRPM7 Disruption Open
Transient receptor potential channel subfamily M member 7 (TRPM7) regulates cellular and systemic Mg 2+ homeostasis through its channel domain and induces protein phosphorylation via its kinase domain. We recently found that mice with sele…
View article: Reinterpretation and preservation of data and analyses in HEP
Reinterpretation and preservation of data and analyses in HEP Open
Data from particle physics experiments are unique and are often the result of a very large investment of resources. Given the potential scientific impact of these data, which goes far beyond the immediate priorities of the experimental col…
View article: Updated model-independent measurement of the strong-phase differences between $D^0$ and $\bar{D}^0 \to K^{0}_{S/L}π^+π^-$ decays
Updated model-independent measurement of the strong-phase differences between $D^0$ and $\bar{D}^0 \to K^{0}_{S/L}π^+π^-$ decays Open
The strong-phase differences between $D^0\to K_{S/L}^0π^+π^-$ and $\bar{D}^0\to K_{S/L}^0π^+π^-$ decays are one of the most important inputs in measuring the $C\!P$ violating angle $γ$ via $B^- \to D K^-$ decays. They also play a key role …
View article: First observation of $Λ_{c}(2595)^{+} \to Λ^{+}_{c}π^0π^0$ and $Λ_{c}(2625)^{+}\to Λ^{+}_{c}π^0π^0$
First observation of $Λ_{c}(2595)^{+} \to Λ^{+}_{c}π^0π^0$ and $Λ_{c}(2625)^{+}\to Λ^{+}_{c}π^0π^0$ Open
By analysing $e^+e^-$ annihilation data corresponding to an integrated luminosity of 368.48~pb$^{-1}$ collected at the centre-of-mass energies of $\sqrt{s} = 4.918$ and $4.951$~GeV with the BESIII detector, we report the first observation …
View article: Observation of $$ \psi (3686)\to {K}^{-}\Lambda (1520){\overline{\Xi}}^{+} $$ + c.c.
Observation of $$ \psi (3686)\to {K}^{-}\Lambda (1520){\overline{\Xi}}^{+} $$ + c.c. Open
A bstract Based on (2712 . 4 ± 14 . 3) × 10 6 ψ (3686) events collected at the BESIII detector operating at the BEPCII collider, we present the first observation of the decay $$ \psi (3686)\to {K}^{-}\Lambda (1520){\overline{\Xi}}^{+} $$ …
View article: Amplitude analysis of $ψ(3686)\to γK_S^0 K_S^0 $
Amplitude analysis of $ψ(3686)\to γK_S^0 K_S^0 $ Open
Using $(2712\pm14)\times10^6$ $ψ(3686)$ events collected with the BESIII detector, we perform the first amplitude analysis of the radiative decay $ψ(3686)\to γK_S^0 K_S^0$ within the mass region $M_{K_S^0 K_S^0 }<2.8$ GeV/$c^2$. Employing …
View article: Cross section measurement of $e^{+}e^{-} \to f_{1}(1285)π^{+}π^{-}$ at center-of-mass energies between $3.808$ and $4.951\rm GeV$
Cross section measurement of $e^{+}e^{-} \to f_{1}(1285)π^{+}π^{-}$ at center-of-mass energies between $3.808$ and $4.951\rm GeV$ Open
Using data samples collected by the \mbox{BESIII} detector located at the Beijing Electron Positron Collider, the cross sections of the process $e^+e^-\to f_{1}(1285)π^+π^-$ are measured at forty-five center-of-mass energies from $3.808$ t…
View article: Study of $η\rightarrowπ^+π^-l^+l^-$
Study of $η\rightarrowπ^+π^-l^+l^-$ Open
Using a sample of $(10087\pm44)\times10^{6}$ $J/ψ$ events accumulated with the BESIII detector, we analyze the decays $η\rightarrowπ^+π^-l^+l^-$ ($l=e$ or $μ$) via the process $J/ψ\rightarrowγη$. The branching fraction of $η\rightarrowπ^+π…
View article: Search for $\eta_{c}(2S)\rightarrow\omega\omega$ and $\omega\phi$ and measurements of $\chi_{cJ} \rightarrow\omega\omega$ and $\omega\phi$ in $Psi(2S)$ radiative processes
Search for $\eta_{c}(2S)\rightarrow\omega\omega$ and $\omega\phi$ and measurements of $\chi_{cJ} \rightarrow\omega\omega$ and $\omega\phi$ in $Psi(2S)$ radiative processes Open
Using $(2712\pm 14)$ $\times$ 10$^{6}$ $ψ(2S)$ events collected with the BESIII detector at the BEPCII collider, we search for the decays $η_{c}(2S)\toωω$ and $η_{c}(2S)\toωϕ$ via the process $ψ(2S)\toγη_{c}(2S)$. Evidence of $η_{c}(2S)\to…
View article: Partial wave analyses of $ψ(3686)\to p\bar{p}π^0$ and $ψ(3686)\to p\bar{p}η$
Partial wave analyses of $ψ(3686)\to p\bar{p}π^0$ and $ψ(3686)\to p\bar{p}η$ Open
Using a sample of $(2712\pm14)\times10^6$ $ψ(3686)$ events collected with the BESIII detector, we perform partial wave analyses of the decays $ψ(3686)\to p\bar{p}π^0$ and $ψ(3686)\to p\bar{p}η$. The branching fractions of $ψ(3686)\to p\bar…