List of works - Niklaus Berger

Amplitude Analysis of D_{s}^{+}→π^{+}π^{0}η and First Observation of the W-Annihilation Dominant Decays D_{s}^{+}→a_{0}(980)^{+}π^{0} and D_{s}^{+}→a_{0}(980)^{0}π^{+}

scientific article published on 01 September 2019

Amplitude analysis of D0→K−π+π+π−

scholarly article

Amplitude analysis of the KSKS system produced in radiative J/ψ decays

scholarly article

Amplitude analysis of the χc1→ηπ+π− decays ⬇️

scholarly article

Branching fraction measurement of J/ψ→KSKL and search for J/ψ→KSKS

scholarly article

Branching fraction measurements of ψ(3686)→γχcJ

scientific article published on 14 August 2017

Branching fraction measurements ofχc0andχc2toπ0π0andηη

scholarly article

Complete Measurement of the Λ Electromagnetic Form Factors

scientific article published on 01 September 2019

Confirmation of theX(1835)and Observation of the ResonancesX(2120)andX(2370)inJ/ψ→γπ+π−η′

scientific article published in Physical Review Letters

Cross section measurement of e + e − → η ′ J / ψ from s = 4.178 to 4.600 GeV

scientific article published on 21 January 2020

Design and construction of the BESIII detector

article by M. Ablikim et al published March 2010 in Nuclear Instruments and Methods in Physics Research

Determination of Strong-Phase Parameters in D→K_{S,L}^{0}π^{+}π^{-}

scientific article published on 01 June 2020

Determination of the Pseudoscalar Decay Constant f_{D_{s}^{+}} via D_{s}^{+}→μ^{+}ν_{μ}

scientific article published on 01 February 2019

Determination of the number of J/ψ events with J/ψ → inclusive decays

Determination of the number of ψ′ events at BESIII

Evidence for e+e−→γηc(1S) at center-of-mass energies between 4.01 and 4.60 GeV

scholarly article

Evidence for the direct two-photon transition from ψ(3686) to J/ψ.

scientific article

Evidence for the singly Cabibbo suppressed decay Λc+→pη and search for Λc+→pπ0

scholarly article

Evidence forψ′Decays intoγπ0andγη

scientific article published in Physical Review Letters

Evidence of Two Resonant Structures in e+e−→π+π−hc ⬇️

scientific article published in Physical Review Letters

Evidence of a Resonant Structure in the e^{+}e^{-}→π^{+}D^{0}D^{*-} Cross Section between 4.05 and 4.60 GeV

scientific article published on 01 March 2019

First Measurement of the Form Factors in D_{s}^{+}→K^{0}e^{+}ν_{e} and D_{s}^{+}→K^{*0}e^{+}ν_{e} Decays

scientific article published on 01 February 2019

First Observation of D^{+}→ημ^{+}ν_{μ} and Measurement of Its Decay Dynamics

scientific article published on 01 June 2020

First Observation ofη(1405)Decays intof0(980)π0

scientific article published in Physical Review Letters

First measurement of e+e−→pKS0n¯K−+c.c. above open charm threshold

article by M. Ablikim et al published 28 August 2018 in Physical Review D

First measurements of χ c J → Σ − Σ ¯ + ( J = 0 , 1 , 2 ) decays

scientific article published on 5 May 2020

First observation of the M1 transition ψ(3686)→γη(c)(2S).

scientific article

First observation of the decaysχcJ→π0π0π0π0

scholarly article

First observation of the isospin violating decayJ/ψ→ΛΣ¯0+c.c

scholarly article

Future Physics Programme of BESIII *

scientific article published in April 2020

Higher-order multipole amplitude measurement inψ′→γχc2

scholarly article

Improved measurements of two-photon widths of the χcJ states and helicity analysis for χc2→γγ

scholarly article

Improved measurements of χcJ→Σ+Σ¯− and Σ0Σ¯0 decays

scholarly article

Improved model-independent determination of the strong-phase difference between D 0 and D ¯ 0 → K S , L 0 K + K − decays

scientific article published on 30 September 2020

Inclusive charged and neutral particle multiplicity distributions in χ c J and J / ψ decays

scientific article published on 3 September 2020

Luminosity measurements for the R scan experiment at BESIII

scientific article published in June 2017

Measurement of J / ψ → Ξ ( 1530 ) − Ξ ¯ + and evidence for the radiative decay Ξ ( 1530 ) − → γ Ξ −

scientific article published on 8 January 2020

Measurement of Proton Electromagnetic Form Factors in e^{+}e^{-}→pp[over ¯] in the Energy Region 2.00-3.08 GeV

scientific article published on 01 January 2020

Measurement of Singly Cabibbo Suppressed Decays Λ_{c}^{+}→pπ^{+}π^{-} and Λ_{c}^{+}→pK^{+}K^{-}. ⬇️

scientific article published on 2 December 2016

Measurement of branching fractions for ψ(3686)→γη′ , γη , and γπ0

scholarly article

Measurement of cross section for e+e−→Ξ−¯Ξ+ near threshold at BESIII

scholarly article

Measurement of cross sections of the interactions e + e − → ϕϕω and e + e − → ϕϕϕ at center-of-mass energies from 4.008 to 4.600 GeV

Measurement of e+ e− → DD̄ cross sections at the ψ(3770) resonance

Measurement of e+e−→KK¯J/ψ cross sections at center-of-mass energies from 4.189 to 4.600 GeV

scholarly article

Measurement of e+e−→π+π−ψ(3686) from 4.008 to 4.600 GeV and observation of a charged structure in the π±ψ(3686) mass spectrum

scientific article published on 31 August 2017

Measurement of e+e−→π0π0ψ(3686) at s from 4.009 to 4.600 GeV and observation of a neutral charmoniumlike structure

scholarly article

Measurement of integrated luminosity and center-of-mass energy of data taken by BESIII at

Measurement of singly Cabibbo-suppressed decays D 0  →  π 0 π 0 π 0 , π 0 π 0 η , π 0 ηη and ηηη

Measurement of the Absolute Branching Fraction of the Inclusive Decay Λ_{c}^{+}→Λ+X

scientific article published in Physical Review Letters

Measurement of the Absolute Branching Fraction of the Inclusive Semileptonic Λ_{c}^{+} Decay

scientific article published on 01 December 2018

Measurement of the Branching Fraction For the Semileptonic Decay D^{0(+)}→π^{-(0)}μ^{+}ν_{μ} and Test of Lepton Flavor Universality

scientific article published in Physical Review Letters

Measurement of the Cross Section for e^{+}e^{-}→Ξ^{-}Ξ[over ¯]^{+} and Observation of an Excited Ξ Baryon

scientific article published on 01 January 2020

Measurement of the Dynamics of the Decays D_{s}^{+}→η^{(')}e^{+}ν_{e}

scientific article published on 01 March 2019

Measurement of the absolute branching fraction forΛc+→Λμ+νμ ⬇️

Measurement of the absolute branching fraction of Ds0*(2317)±→π0Ds±

scholarly article

Measurement of the integrated Luminosities of cross-section scan data samples around the ${\rm{\psi }}$(3770) mass region

Measurement of the matrix element for the decayη′→ηπ+π−

scholarly article

Measurement of the matrix elements for the decays η′→ηπ+π− and η′→ηπ0π0

scholarly article

Measurements of Absolute Branching Fractions of Fourteen Exclusive Hadronic D Decays to η

scientific article published on 01 June 2020

Measurements of absolute branching fractions for D mesons decays into two pseudoscalar mesons

scholarly article

Measurements of absolute branching fractions forΛc+→Ξ0K+and Ξ(1530)0K+

Measurements of cross section ofe+e−→pp¯π0at center-of-mass energies between 4.008 and 4.600 GeV

Measurements of the absolute branching fractions forDs+→ηe+νeandDs+→η′e+νe ⬇️

scholarly article

Measurements of the branching fractions for the semileptonic decays Ds+→ϕe+νe , ϕμ+νμ , ημ+νμ and η′μ+νμ

scholarly article

Measurements of the branching fractions forD+→KS0KS0K+,KS0KS0π+andD0→KS0KS0,KS0KS0KS0 ⬇️

Measurements of the branching fractions of the singly Cabibbo-suppressed decays D0→ωη , η(′)π0 and η(′)η

scholarly article

Measurements of the mass and width of the η(c) using the decay ψ(3686)→γη(c).

scientific article

Measurements ofhc(P11)inψ′Decays

scientific article published in Physical Review Letters

Observation and study of the decay J/ψ→ϕηη′

scientific article published on 18 June 2019

Observation of D^{+}→f_{0}(500)e^{+}ν_{e} and Improved Measurements of D→ρe^{+}ν_{e}

scientific article published on 01 February 2019

Observation of Two NewN*Resonances in the Decayψ(3686)→pp¯π0

scientific article published in Physical Review Letters

Observation of a Resonant Structure in e^{+}e^{-}→K^{+}K^{-}π^{0}π^{0}

scientific article published on 01 March 2020

Observation of a cross-section enhancement near mass threshold in e+e−→ΛΛ¯

scholarly article

Observation of a_{0}^{0}(980)-f_{0}(980) Mixing

scientific article published in Physical Review Letters

Observation of an Anomalous Line Shape of the η^{'}π^{+}π^{-} Mass Spectrum near the pp[over ¯] Mass Threshold in J/ψ→γη^{'}π^{+}π^{-}. ⬇️

scientific article

Observation of e+e−→ηhc at center-of-mass energies from 4.085 to 4.600 GeV

scholarly article

Observation of e+e−→ϕχc1 and ϕχc2 at s=4.600 GeV

scholarly article

Observation of the Decay X(3872)→π^{0}χ_{c1}(1P)

scientific article published on 01 May 2019

Observation of the Doubly Cabibbo-Suppressed Decay D^{+}→K^{+}π^{+}π^{-}π^{0} and Evidence for D^{+}→K^{+}ω

scientific article published on 01 October 2020

Observation of the Leptonic Decay D^{+}→τ^{+}ν_{τ}

scientific article published on 01 November 2019

Observation of the Semileptonic D^{+} Decay into the K[over ¯]_{1}(1270)^{0} Axial-Vector Meson

scientific article published on 01 December 2019

Observation of the Semileptonic Decay D^{0}→a_{0}(980)^{-}e^{+}ν_{e} and Evidence for D^{+}→a_{0}(980)^{0}e^{+}ν_{e}

scientific article published in Physical Review Letters

Observation of the decayΛc+→Σ−π+π+π0

scientific article published in September 2017

Observation of the doubly radiative decay η′→γγπ0

scholarly article

Observation of the helicity-selection-rule suppressed decay of the χc2 charmonium state

scholarly article

Observation of Λ_{c}^{+}→nK_{S}^{0}π^{+}.

scientific article

Observation of χc2→η′η′ and χc0,2→ηη′

scholarly article

Observation of ψ(3686)→η′e+e−

Observation ofJ/ψ→γηπ0 ⬇️

scholarly article

Observation ofe+e−→η′J/ψat center-of-mass energies between 4.189 and 4.600 GeV ⬇️

scholarly article

Observation ofχc1Decays into Vector Meson Pairsϕϕ,ωω, andωϕ

scientific article published in Physical Review Letters

Observation ofχcJdecaying into thepp¯K+K−final state

scholarly article

Partial wave analysis ofJ/ψ→γηη

article by M. Ablikim et al published 21 May 2013 in Physical Review D

Precise Measurement of the e^{+}e^{-}→π^{+}π^{-}J/ψ Cross Section at Center-of-Mass Energies from 3.77 to 4.60 GeV. ⬇️

scientific article published in March 2017

Precision Measurement of the Branching Fractions of η^{'} Decays

scientific article published on 01 April 2019

Precision Measurement of the e^{+}e^{-}→Λ_{c}^{+}Λ[over ¯]_{c}^{-} Cross Section Near Threshold

scientific article

Precision Study of η′→γπ+π− Decay Dynamics

scientific article published on 01 June 2018

Precision measurement of the branching fractions of J / ψ → π + π − π 0 and ψ ′ → π + π − π 0

Search for a light exotic particle inJ/ψradiative decays

article by M. Ablikim et al published 18 May 2012 in Physical Review D

Search for hc→π+π−J/ψ via ψ(3686)→π0π+π−J/ψ

scientific article published on 23 March 2018

Search for invisible decays of ω and ϕ with J/ψ data at BESIII

scholarly article

Search for the radiative leptonic decay D+→γe+νe

scholarly article

Search for the rare decay D+→D0e+νe

scientific article published on 13 November 2017

Search for the rare decay of ψ(3686)→Λc+p¯e+e−+c.c. at BESIII

scholarly article

Search for the rare decays D→h(h(′))e+e−

scholarly article

Search for ψ(3686)→γηc(η(1405))→γπ+π−π0

scholarly article

Search forCPandPviolating pseudoscalar decays intoππ

scholarly article

Search forηc′decays into vector meson pairs

scholarly article

Spin-Parity Analysis ofpp¯Mass Threshold Structure inJ/ψandψ(3686)Radiative Decays

scientific article published in Physical Review Letters

Study of J / ψ andψ(3686)→Σ(1385)0Σ¯(1385)0andΞ0Ξ¯0

Study of J/ψ and ψ(3686) decay to ΛΛ¯ and Σ0Σ¯0 final states ⬇️

scholarly article

Study of J/ψ and ψ(3686) decays to π+π−η′

scholarly article

Study of Open-Charm Decays and Radiative Transitions of the X(3872)

scientific article published on 01 June 2020

Study of e^{+}e^{-}→γωJ/ψ and Observation of X(3872)→ωJ/ψ

scientific article published on 01 June 2019

Study of the D^{0}→K^{-}μ^{+}ν_{μ} Dynamics and Test of Lepton Flavor Universality with D^{0}→K^{-}ℓ^{+}ν_{ℓ} Decays

scientific article published on 01 January 2019

Study of the decays D+→η(′)e+νe

scholarly article

Study of two-photon decays of pseudoscalar mesons via J/ψ radiative decays

scientific article published on 26 April 2018

Study of η(1475) and X(1835) in radiative J/ψ decays to γϕ

scientific article published on 6 March 2018

Study ofJ/ψ→pp¯andJ/ψ→nn¯

scholarly article

Study ofa00(980)−f0(980)mixing

scholarly article

Study ofχcJradiative decays into a vector meson

article by M. Ablikim et al published 10 June 2011 in Physical Review D

Two-photon widths of theχc0,2states and helicity analysis forχc2→γγ

scholarly article

Σ^{+} and Σ[over ¯]^{-} Polarization in the J/ψ and ψ(3686) Decays

scientific article published on 01 July 2020

ηπ+π−Resonant Structure around1.8 GeV/c2andη(1405)inJ/ψ→ωηπ+π−

scientific article published in Physical Review Letters

List of works by Niklaus Berger

Amplitude Analysis of D_{s}^{+}→π^{+}π^{0}η and First Observation of the W-Annihilation Dominant Decays D_{s}^{+}→a_{0}(980)^{+}π^{0} and D_{s}^{+}→a_{0}(980)^{0}π^{+}

Amplitude analysis of D0→K−π+π+π−

Amplitude analysis of the KSKS system produced in radiative J/ψ decays

Amplitude analysis of the χc1→ηπ+π− decays ⬇️

Branching fraction measurement of J/ψ→KSKL and search for J/ψ→KSKS

Branching fraction measurements of ψ(3686)→γχcJ

Branching fraction measurements ofχc0andχc2toπ0π0andηη

Complete Measurement of the Λ Electromagnetic Form Factors

Confirmation of theX(1835)and Observation of the ResonancesX(2120)andX(2370)inJ/ψ→γπ+π−η′

Cross section measurement of e + e − → η ′ J / ψ from s = 4.178 to 4.600 GeV

Design and construction of the BESIII detector

Determination of Strong-Phase Parameters in D→K_{S,L}^{0}π^{+}π^{-}

Determination of the Pseudoscalar Decay Constant f_{D_{s}^{+}} via D_{s}^{+}→μ^{+}ν_{μ}

Determination of the number of J/ψ events with J/ψ → inclusive decays

Determination of the number of ψ′ events at BESIII

Evidence for e+e−→γηc(1S) at center-of-mass energies between 4.01 and 4.60 GeV

Evidence for the direct two-photon transition from ψ(3686) to J/ψ.

Evidence for the singly Cabibbo suppressed decay Λc+→pη and search for Λc+→pπ0

Evidence forψ′Decays intoγπ0andγη

Evidence of Two Resonant Structures in e+e−→π+π−hc ⬇️

Evidence of a Resonant Structure in the e^{+}e^{-}→π^{+}D^{0}D^{*-} Cross Section between 4.05 and 4.60 GeV

First Measurement of the Form Factors in D_{s}^{+}→K^{0}e^{+}ν_{e} and D_{s}^{+}→K^{*0}e^{+}ν_{e} Decays

First Observation of D^{+}→ημ^{+}ν_{μ} and Measurement of Its Decay Dynamics

First Observation ofη(1405)Decays intof0(980)π0

First measurement of e+e−→pKS0n¯K−+c.c. above open charm threshold

First measurements of χ c J → Σ − Σ ¯ + ( J = 0 , 1 , 2 ) decays

First observation of the M1 transition ψ(3686)→γη(c)(2S).

First observation of the decaysχcJ→π0π0π0π0

First observation of the isospin violating decayJ/ψ→ΛΣ¯0+c.c

Future Physics Programme of BESIII *

Higher-order multipole amplitude measurement inψ′→γχc2

Improved measurements of two-photon widths of the χcJ states and helicity analysis for χc2→γγ

Improved measurements of χcJ→Σ+Σ¯− and Σ0Σ¯0 decays

Improved model-independent determination of the strong-phase difference between D 0 and D ¯ 0 → K S , L 0 K + K − decays

Inclusive charged and neutral particle multiplicity distributions in χ c J and J / ψ decays

Luminosity measurements for the R scan experiment at BESIII

Measurement of J / ψ → Ξ ( 1530 ) − Ξ ¯ + and evidence for the radiative decay Ξ ( 1530 ) − → γ Ξ −

Measurement of Proton Electromagnetic Form Factors in e^{+}e^{-}→pp[over ¯] in the Energy Region 2.00-3.08 GeV

Measurement of Singly Cabibbo Suppressed Decays Λ_{c}^{+}→pπ^{+}π^{-} and Λ_{c}^{+}→pK^{+}K^{-}. ⬇️

Measurement of branching fractions for ψ(3686)→γη′ , γη , and γπ0

Measurement of cross section for e+e−→Ξ−¯Ξ+ near threshold at BESIII

Measurement of cross sections of the interactions e + e − → ϕϕω and e + e − → ϕϕϕ at center-of-mass energies from 4.008 to 4.600 GeV

Measurement of e+ e− → DD̄ cross sections at the ψ(3770) resonance

Measurement of e+e−→KK¯J/ψ cross sections at center-of-mass energies from 4.189 to 4.600 GeV

Measurement of e+e−→π+π−ψ(3686) from 4.008 to 4.600 GeV and observation of a charged structure in the π±ψ(3686) mass spectrum

Measurement of e+e−→π0π0ψ(3686) at s from 4.009 to 4.600 GeV and observation of a neutral charmoniumlike structure

Measurement of integrated luminosity and center-of-mass energy of data taken by BESIII at

Measurement of singly Cabibbo-suppressed decays D 0 → π 0 π 0 π 0 , π 0 π 0 η , π 0 ηη and ηηη

Measurement of the Absolute Branching Fraction of the Inclusive Decay Λ_{c}^{+}→Λ+X

Measurement of the Absolute Branching Fraction of the Inclusive Semileptonic Λ_{c}^{+} Decay

Measurement of the Branching Fraction For the Semileptonic Decay D^{0(+)}→π^{-(0)}μ^{+}ν_{μ} and Test of Lepton Flavor Universality

Measurement of the Cross Section for e^{+}e^{-}→Ξ^{-}Ξ[over ¯]^{+} and Observation of an Excited Ξ Baryon

Measurement of the Dynamics of the Decays D_{s}^{+}→η^{(')}e^{+}ν_{e}

Measurement of the absolute branching fraction forΛc+→Λμ+νμ ⬇️

Measurement of the absolute branching fraction of Ds0*(2317)±→π0Ds±

Measurement of the integrated Luminosities of cross-section scan data samples around the ${\rm{\psi }}$(3770) mass region

Measurement of the matrix element for the decayη′→ηπ+π−

Measurement of the matrix elements for the decays η′→ηπ+π− and η′→ηπ0π0

Measurements of Absolute Branching Fractions of Fourteen Exclusive Hadronic D Decays to η

Measurements of absolute branching fractions for D mesons decays into two pseudoscalar mesons

Measurements of absolute branching fractions forΛc+→Ξ0K+and Ξ(1530)0K+

Measurements of cross section ofe+e−→pp¯π0at center-of-mass energies between 4.008 and 4.600 GeV

Measurements of the absolute branching fractions forDs+→ηe+νeandDs+→η′e+νe ⬇️

Measurements of the branching fractions for the semileptonic decays Ds+→ϕe+νe , ϕμ+νμ , ημ+νμ and η′μ+νμ

Measurements of the branching fractions forD+→KS0KS0K+,KS0KS0π+andD0→KS0KS0,KS0KS0KS0 ⬇️

Measurements of the branching fractions of the singly Cabibbo-suppressed decays D0→ωη , η(′)π0 and η(′)η

Measurements of the mass and width of the η(c) using the decay ψ(3686)→γη(c).

Measurements ofhc(P11)inψ′Decays

Observation and study of the decay J/ψ→ϕηη′

Observation of D^{+}→f_{0}(500)e^{+}ν_{e} and Improved Measurements of D→ρe^{+}ν_{e}

Observation of Two NewN*Resonances in the Decayψ(3686)→pp¯π0

Observation of a Resonant Structure in e^{+}e^{-}→K^{+}K^{-}π^{0}π^{0}

Observation of a cross-section enhancement near mass threshold in e+e−→ΛΛ¯

Observation of a_{0}^{0}(980)-f_{0}(980) Mixing

Observation of an Anomalous Line Shape of the η^{'}π^{+}π^{-} Mass Spectrum near the pp[over ¯] Mass Threshold in J/ψ→γη^{'}π^{+}π^{-}. ⬇️

Observation of e+e−→ηhc at center-of-mass energies from 4.085 to 4.600 GeV

Observation of e+e−→ϕχc1 and ϕχc2 at s=4.600 GeV

Observation of the Decay X(3872)→π^{0}χ_{c1}(1P)

Observation of the Doubly Cabibbo-Suppressed Decay D^{+}→K^{+}π^{+}π^{-}π^{0} and Evidence for D^{+}→K^{+}ω

Measurement of singly Cabibbo-suppressed decays D 0  →  π 0 π 0 π 0 , π 0 π 0 η , π 0 ηη and ηηη