List of works - Matthias Ullrich

Observation of a Charged Charmoniumlike Structure in e + e − → π + π − J / ψ at s = 4.26 GeV

scientific article

Search for hadronic transitionχcJ→ηcπ+π−and observation ofχcJ→KK¯πππ

scholarly article

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

Observation of a charged charmoniumlike structure Zc(4020) and search for the Zc(3900) in e+e-→π+π-hc.

scientific article published on 10 December 2013

Observation of a charged (DD)± mass peak in e+ e- → πDD at sqrt[s] = 4.26 GeV.

scientific article published on 15 January 2014

Observation of a charged charmoniumlike structure in e+ e- → (D* D*)± π∓ at √s = 4.26 GeV.

scientific article published on 2 April 2014

Observation ofe+e−→π0π0hcand a Neutral Charmoniumlike StructureZc(4020)0

scientific article published in Physical Review Letters

Precision measurement of the integrated luminosity of the data taken by BESIII at center-of-mass energies between 3.810 GeV and 4.600 GeV

article by M. Ablikim et al published September 2015 in Chinese Physics C

Observation ofe+e−→ηJ/ψat center-of-mass energys=4.009 GeV

scholarly article

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

scientific article

Study ofψ(3686)→π0hc,hc→γηcviaηcexclusive decays

scholarly article

Amplitude Analysis of the Decays η^{'}→π^{+}π^{-}π^{0} and η^{'}→π^{0}π^{0}π^{0}.

scientific article published on 5 January 2017

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

Evidence forηc(2S)inψ(3686)→γKS0K±π∓π+π−

scholarly article

Measurement of the e + e − → π + π − cross section between 600 and 900 MeV using initial state radiation

Observation of η'→π+π−π+π− and η'→π+π−π0π0

scientific article

Measurement ofη′→π+π−e+e−andη′→π+π−μ+μ−

scholarly article

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

scientific article published in Physical Review Letters

Observation ofe+e−→γX(3872)at BESIII

scientific article published in Physical Review Letters

Measurement of the matrix elements for the decaysη→π+π−π0andη/η′→π0π0π0

scholarly article

Study ofJ/ψ→pp¯andJ/ψ→nn¯

scholarly article

Observation ofZc(3900)0ine+e−→π0π0J/ψ

scientific article published in Physical Review Letters

Study ofe+e−→ωχcJat Center of Mass Energies from 4.21 to 4.42 GeV

scientific article published in Physical Review Letters

Search for D 0 → γ γ and improved measurement of the branching fraction for D 0 → π 0 π 0

scientific article

Measurement of thee+e−→ηJ/ψcross section and search fore+e−→π0J/ψat center-of-mass energies between 3.810 and 4.600 GeV

scholarly article

Observation ofe+e−→ωχc1,2nears=4.42and 4.6 GeV

scholarly article

Amplitude analysis of theD+→KS0π+π0Dalitz plot

scholarly article

Observation of a Neutral Charmoniumlike StateZc(4025)0ine+e−→(DD¯)0π0

scientific article published in Physical Review Letters

Precision measurements ofB(D+→μ+νμ), the pseudoscalar decay constantfD+, and the quark mixing matrix element|Vcd|

scholarly article

Observation of the Singly Cabibbo-Suppressed DecayD+→ωπ+and Evidence forD0→ωπ0

scientific article published in Physical Review Letters

Search forηandη′→π+e−ν¯e+c.c.decays inJ/ψ→ϕηandϕη′

scholarly article

Experimental study ofψ′decays toK+K−π0andK+K−η

scholarly article

Measurement ofχcJdecaying intoη′K+K−

scholarly article

Observation of the ψ(1 3D2) State in e+e-→π+π-γχc1 at BESIII

scientific article (publication date: July 2015)

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

scholarly article

Measurement ofyCPinD0–D¯0oscillation using quantum correlations ine+e−→D0D¯0ats=3.773GeV

Study of dynamics ofD0→K−e+νeandD0→π−e+νedecays

scholarly article

Precision measurements of branching fractions forψ′→π0J/ψandηJ/ψ

scholarly article

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

scholarly article

Observation of h_{c} Radiative Decay h_{c}→γη^{'} and Evidence for h_{c}→γη.

scientific article published on 21 June 2016

Study of the near-thresholdωϕmass enhancement in doubly OZI-suppressedJ/ψ→γωϕdecays

scholarly article

Measurement of Azimuthal Asymmetries in Inclusive Charged Dipion Production ine+e−Annihilations ats=3.65 GeV

scientific article published in Physical Review Letters

Amplitude analysis of theπ0π0system produced in radiativeJ/ψdecays

scholarly article

Precision measurements ofB[ψ(3686)→π+π−J/ψ]andB[J/ψ→l+l−]

scholarly article

Observation of ψ(3686)→e^{+}e^{-}χ_{cJ} and χ_{cJ}→e^{+}e^{-}J/ψ.

scientific article published on 30 May 2017

Observation of electromagnetic Dalitz decaysJ/ψ→Pe+e−

scholarly article

Precision measurement of the mass of theτlepton

scholarly article

Study ofψdecays to theΞ−Ξ¯+andΣ(1385)∓Σ¯(1385)±final states

scholarly article

Measurement of the integrated luminosities of the data taken by BESIII at √s= 3.650 and 3.773 GeV

Confirmation of a charged charmoniumlike state Z c ( 3885 ) ∓ in e + e − → π ± ( D D ¯ * ) ∓ with double D tag

scientific article

List of works by Matthias Ullrich

Observation of a Charged Charmoniumlike Structure in e + e − → π + π − J / ψ at s = 4.26 GeV

Search for hadronic transitionχcJ→ηcπ+π−and observation ofχcJ→KK¯πππ

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

Observation of a charged charmoniumlike structure Zc(4020) and search for the Zc(3900) in e+e-→π+π-hc.

Observation of a charged (DD*)± mass peak in e+ e- → πDD* at sqrt[s] = 4.26 GeV.

Observation of a charged charmoniumlike structure in e+ e- → (D* D*)± π∓ at √s = 4.26 GeV.

Observation ofe+e−→π0π0hcand a Neutral Charmoniumlike StructureZc(4020)0

Precision measurement of the integrated luminosity of the data taken by BESIII at center-of-mass energies between 3.810 GeV and 4.600 GeV

Observation ofe+e−→ηJ/ψat center-of-mass energys=4.009 GeV

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

Study ofψ(3686)→π0hc,hc→γηcviaηcexclusive decays

Amplitude Analysis of the Decays η^{'}→π^{+}π^{-}π^{0} and η^{'}→π^{0}π^{0}π^{0}.

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

Evidence forηc(2S)inψ(3686)→γKS0K±π∓π+π−

Measurement of the e + e − → π + π − cross section between 600 and 900 MeV using initial state radiation

Observation of η'→π+π−π+π− and η'→π+π−π0π0

Measurement ofη′→π+π−e+e−andη′→π+π−μ+μ−

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

Observation ofe+e−→γX(3872)at BESIII

Measurement of the matrix elements for the decaysη→π+π−π0andη/η′→π0π0π0

Study ofJ/ψ→pp¯andJ/ψ→nn¯

Observation ofZc(3900)0ine+e−→π0π0J/ψ

Study ofe+e−→ωχcJat Center of Mass Energies from 4.21 to 4.42 GeV

Search for D 0 → γ γ and improved measurement of the branching fraction for D 0 → π 0 π 0

Measurement of thee+e−→ηJ/ψcross section and search fore+e−→π0J/ψat center-of-mass energies between 3.810 and 4.600 GeV

Observation ofe+e−→ωχc1,2nears=4.42and 4.6 GeV

Amplitude analysis of theD+→KS0π+π0Dalitz plot

Observation of a Neutral Charmoniumlike StateZc(4025)0ine+e−→(D*D¯*)0π0

Precision measurements ofB(D+→μ+νμ), the pseudoscalar decay constantfD+, and the quark mixing matrix element|Vcd|

Observation of the Singly Cabibbo-Suppressed DecayD+→ωπ+and Evidence forD0→ωπ0

Search forηandη′→π+e−ν¯e+c.c.decays inJ/ψ→ϕηandϕη′

Experimental study ofψ′decays toK+K−π0andK+K−η

Measurement ofχcJdecaying intoη′K+K−

Observation of the ψ(1 3D2) State in e+e-→π+π-γχc1 at BESIII

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

Measurement ofyCPinD0–D¯0oscillation using quantum correlations ine+e−→D0D¯0ats=3.773GeV

Study of dynamics ofD0→K−e+νeandD0→π−e+νedecays

Precision measurements of branching fractions forψ′→π0J/ψandηJ/ψ

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

Observation of h_{c} Radiative Decay h_{c}→γη^{'} and Evidence for h_{c}→γη.

Study of the near-thresholdωϕmass enhancement in doubly OZI-suppressedJ/ψ→γωϕdecays

Measurement of Azimuthal Asymmetries in Inclusive Charged Dipion Production ine+e−Annihilations ats=3.65 GeV

Amplitude analysis of theπ0π0system produced in radiativeJ/ψdecays

Precision measurements ofB[ψ(3686)→π+π−J/ψ]andB[J/ψ→l+l−]

Observation of ψ(3686)→e^{+}e^{-}χ_{cJ} and χ_{cJ}→e^{+}e^{-}J/ψ.

Observation of electromagnetic Dalitz decaysJ/ψ→Pe+e−

Precision measurement of the mass of theτlepton

Study ofψdecays to theΞ−Ξ¯+andΣ(1385)∓Σ¯(1385)±final states

Measurement of the integrated luminosities of the data taken by BESIII at √s= 3.650 and 3.773 GeV

Confirmation of a charged charmoniumlike state Z c ( 3885 ) ∓ in e + e − → π ± ( D D ¯ * ) ∓ with double D tag

Observation of a charged (DD)± mass peak in e+ e- → πDD at sqrt[s] = 4.26 GeV.

Observation of a Neutral Charmoniumlike StateZc(4025)0ine+e−→(DD¯)0π0