1.
|
Observation of and Improved Measurements of
/ Ablikim, M. ; Achasov, M. N. ; Ahmed, S. ; Albrecht, M. ; et al
Using a data sample corresponding to an integrated luminosity of recorded by the BESIII detector at a center-of-mass energy of 3.773 GeV, we present an analysis of the decays and . [...]
Published in Physical Review Letters 122 (2019)
10.1103/PhysRevLett.122.062001
arXiv:1809.06496
Fulltext: XML PDF;
|
2.
|
Measurements of the absolute branching fractions and asymmetries for
/ Ablikim, M. ; Achasov, M. N. ; Ahmed, S. ; Albrecht, M. ; et al
Using collision data corresponding to an integrated luminosity of taken at a center-of-mass energy of 3.773 GeV with the BESIII detector, we determine the absolute branching fractions , , , and , where the first and second uncertainties are statistical and systematic, respectively. [...]
Published in Physical Review D 99 (2019)
10.1103/PhysRevD.99.032002
arXiv:1812.05400
Fulltext: XML PDF;
|
3.
|
Measurement of cross section at
/ Ablikim, M. ; Achasov, M. N. ; Ahmed, S. ; Albrecht, M. ; et al
The cross section of the process is measured at a number of center-of-mass energies from 2.00 to 3.08 GeV with the BESIII detector at the Beijing Electron Positron Collider (BEPCII). [...]
Published in Physical Review D 99 (2019)
10.1103/PhysRevD.99.032001
arXiv:1811.08742
Fulltext: XML PDF;
|
4.
|
Observation of at center-of-mass energies above 3.7 GeV
/ Ablikim, M. ; Achasov, M. N. ; Ahmed, S. ; Ai, X. C. ; et al
The state is observed in the process with a statistical significance larger than 10 standard deviations using the data collected with the BESIII detector operating at the BEPCII storage ring at center-of-mass energies between 3.7 and 4.6 GeV. [...]
Published in Physical Review D 99 (2019)
10.1103/PhysRevD.99.012014
arXiv:1709.04323
Fulltext: XML PDF;
|
5.
|
Observation of OZI-suppressed decays
/ Ablikim, M. ; Achasov, M. N. ; Ahmed, S. ; Albrecht, M. ; et al
Decays are studied using events collected with the BESIII detector in 2009 and 2012. [...]
Published in Physical Review D 99 (2019)
10.1103/PhysRevD.99.012015
arXiv:1810.10146
Fulltext: XML PDF;
|
6.
|
Measurement of and search for a dark photon
/ Ablikim, M. ; Achasov, M. N. ; Ahmed, S. ; Albrecht, M. ; et al
Using a data sample of decay events collected with the BESIII detector at BEPCII, we study the electromagnetic Dalitz decay with two dominant decay modes, and . [...]
Published in Physical Review D 99 (2019)
10.1103/PhysRevD.99.012013
arXiv:1809.00635
Fulltext: XML PDF;
|
7.
|
Study of the decay
/ Ablikim, M. ; Achasov, M. N. ; Ahmed, S. ; Albrecht, M. ; et al
We report a study of the decay based on a sample of annihilation data collected at the center-of-mass energy of 3.773 GeV with the BESIII detector at the BEPCII collider. [...]
Published in Physical Review D 99 (2019)
10.1103/PhysRevD.99.011103
arXiv:1811.11349
Fulltext: XML PDF;
|
8.
|
Search for a strangeonium-like structure decaying into and a measurement of the cross section
/ Ablikim, M. ; Achasov, M. N. ; Ahmed, S. ; Albrecht, M. ; et al
Using a data sample of collision data corresponding to an integrated luminosity of collected with the BESIII detector at a center-of-mass energy of 2.125 GeV, we study the process and search for a strangeoniumlike structure decaying into . [...]
Published in Physical Review D 99 (2019)
10.1103/PhysRevD.99.011101
arXiv:1801.10384
Fulltext: XML PDF;
|
9.
|
Study of the Dynamics and Test of Lepton Flavor Universality with Decays
/ Ablikim, M. ; Achasov, M. N. ; Ahmed, S. ; Albrecht, M. ; et al
Using annihilation data of collected at center-of-mass energy with the BESIII detector, we measure the absolute branching fraction of with significantly improved precision: . [...]
Published in Physical Review Letters 122 (2019)
10.1103/PhysRevLett.122.011804
arXiv:1810.03127
Fulltext: XML PDF;
|
10.
|
Study of the Dalitz decay
/ Ablikim, M. ; Achasov, M. N. ; Ahmed, S. ; Albrecht, M. ; et al
We study the electromagnetic Dalitz decay and search for dielectron decays of a dark gauge boson () in with the two decay modes and using events collected with the BESIII detector. [...]
Published in Physical Review D 99 (2019)
10.1103/PhysRevD.99.012006
arXiv:1810.03091
Fulltext: XML PDF;
|