N. Berger
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View article: Study of the reaction $Ξ^{0}n\rightarrowΛΛX$ using $Ξ^{0}$-nucleus scattering
Study of the reaction $Ξ^{0}n\rightarrowΛΛX$ using $Ξ^{0}$-nucleus scattering Open
Using $(10087\pm44)\times10^{6}$$J/ψ$ events collected with the BESIII detector operating at the BEPCII storage ring in $2009$, $2012$, $2018$, and $2019$, we perform a search for the reaction $Ξ^0n\rightarrowΛΛX$, where $X$ denotes any ad…
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…
View article: Evidence of Transverse Polarization of $Ξ^0$ Hyperon in $ψ(3686)\rightarrowΞ^0\barΞ^0$
Evidence of Transverse Polarization of $Ξ^0$ Hyperon in $ψ(3686)\rightarrowΞ^0\barΞ^0$ Open
Using $(2.712\pm0.014)\times10^{9}$ $ψ(3686)$ events collected with the BESIII detector at the BEPCII collider, we report an evidence of $Ξ^{0}$ transverse polarization with a significance of 4.4$σ$, and a precise measurement of the branch…
Observation of , Test of Lepton Flavor Universality, and First Angular Analysis of Open
View article: Precision <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>C</mml:mi><mml:mi>P</mml:mi></mml:math> Symmetry Test and Polarization Analysis in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi mathvariant="normal">Σ</mml:mi><mml:mo>+</mml:mo></mml:msup></mml:math> Decays
Precision Symmetry Test and Polarization Analysis in Decays Open
A stringent test of CP symmetry in hyperon decays is performed using 1.0×1010 J/ψ events and 2.7×109 ψ(3686) events collected by the BESIII experiment. The CP asymmetry in the two-body nonleptonic weak decays Σ+→pπ0 and Σ¯−→p¯π0 is deter…
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…
Measurement of the strong-phase difference between and in bins of phase space Open
View article: Observation of ψ(3686) → $$ {\Xi}^{-}{K}_S^0{\overline{\varOmega}}^{+} $$ + c.c.
Observation of ψ(3686) → $$ {\Xi}^{-}{K}_S^0{\overline{\varOmega}}^{+} $$ + c.c. Open
View article: Measurement of the branching fractions of doubly Cabibbo-suppressed D decays
Measurement of the branching fractions of doubly Cabibbo-suppressed D decays Open
View article: Test of local realism via entangled $$\Lambda \bar{\Lambda }$$ system
Test of local realism via entangled $$\Lambda \bar{\Lambda }$$ system Open
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 $…
Measurement of the branching fractions of , , , , and decays Open
Study of the light scalar through the decay with Open
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: Search for the FCNC charmonium decay J/ψ → D0μ+μ− + c.c.
Search for the FCNC charmonium decay J/ψ → D0μ+μ− + c.c. Open
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: Search for <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi mathvariant="normal">Λ</mml:mi><mml:mo>−</mml:mo><mml:mover accent="true"><mml:mi mathvariant="normal">Λ</mml:mi><mml:mo stretchy="false">¯</mml:mo></mml:mover></mml:math> oscillation in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>J</mml:mi><mml:mo>/</mml:mo><mml:mi>ψ</mml:mi><mml:mo stretchy="false">→</mml:mo><mml:mi mathvariant="normal">Λ</mml:mi><mml:mover accent="true"><mml:mi mathvariant="normal">Λ</mml:mi><mml:mo stretchy="false">¯</mml:mo></mml:mover></mml:math> decay
Search for oscillation in decay Open
Using (10087±44)×106 J/ψ decays collected by the BESIII detector at the BEPCII collider, we search for baryon number violation via Λ−Λ¯ oscillation in the decay J/ψ→ΛΛ¯. No evidence for Λ−Λ¯ oscillation is observed. The upper limit on the…
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…
Observation of and decays to via radiative transitions Open
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: Study of the semileptonic decay $$ {D}^0\to {\overline{K}}^0{\pi}^{-}{e}^{+}{\nu}_e $$
Study of the semileptonic decay $$ {D}^0\to {\overline{K}}^0{\pi}^{-}{e}^{+}{\nu}_e $$ Open
A bstract We report an improved study of the semileptonic decay $$ {D}^0\to {\overline{K}}^0{\pi}^{-}{e}^{+}{\nu}_e $$ based on a sample of 7.9 fb − 1 of e + e − annihilation data collected at a center-of-mass energy of …
View article: Observation of $$ \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: Observation of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>D</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:mo stretchy="false">→</mml:mo><mml:msup><mml:mi>η</mml:mi><mml:mo>′</mml:mo></mml:msup><mml:msup><mml:mi>μ</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:msub><mml:mi>ν</mml:mi><mml:mi>μ</mml:mi></mml:msub></mml:math> and First Experimental Study of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>D</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:mo stretchy="false">→</mml:mo><mml:msup><mml:mi>η</mml:mi><mml:mo>′</mml:mo></mml:msup><mml:msup><mml:mo>ℓ</mml:mo><mml:mo>+</mml:mo></mml:msup><mml:msub><mml:mi>ν</mml:mi><mml:mo>ℓ</mml:mo></mml:msub></mml:math> Decay Dynamics
Observation of and First Experimental Study of Decay Dynamics Open
Using 20.3 fb−1 of e+e− collision data collected at the center-of-mass energy 3.773 GeV with the BESIII detector, we report the first observation of the semileptonic decay D+→η′μ+νμ with significance of 8.6σ including systematic uncertain…
View article: Measurement of the inclusive cross sections of prompt <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>J</mml:mi><mml:mo>/</mml:mo><mml:mi>ψ</mml:mi></mml:math> and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>ψ</mml:mi><mml:mo stretchy="false">(</mml:mo><mml:mn>3686</mml:mn><mml:mo stretchy="false">)</mml:mo></mml:math> production in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>e</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:msup><mml:mi>e</mml:mi><mml:mo>−</mml:mo></mml:msup></mml:math> annihilation from <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msqrt><mml:mi>s</mml:mi></mml:msqrt><mml:mo>=</mml:mo><mml:mn>3.808</mml:mn></mml:math> to 4.951 GeV
Measurement of the inclusive cross sections of prompt and production in annihilation from to 4.951 GeV Open
The inclusive cross sections of prompt J/ψ and ψ(3686) production are measured at center-of-mass energies from 3.808 to 4.951 GeV. The dataset used is 22 fb−1 of e+e− annihilation data collected with the BESIII detector operating at the B…
View article: Observation of the singly Cabibbo-suppressed decay <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msubsup><mml:mi mathvariant="normal">Λ</mml:mi><mml:mi>c</mml:mi><mml:mo>+</mml:mo></mml:msubsup><mml:mo stretchy="false">→</mml:mo><mml:mi>p</mml:mi><mml:msup><mml:mi>π</mml:mi><mml:mn>0</mml:mn></mml:msup></mml:math>
Observation of the singly Cabibbo-suppressed decay Open
Utilizing 4.5 fb−1 of e+e− annihilation data collected with the BESIII detector at the BEPCII collider at center-of-mass energies between 4.600 and 4.699 GeV, the first observation of the singly Cabibbo-suppressed decay Λc+→pπ0 is present…