Refine
Year of publication
Document Type
- Preprint (637)
- Article (521)
- Working Paper (1)
Language
- English (1159)
Has Fulltext
- yes (1159)
Is part of the Bibliography
- no (1159)
Keywords
- BESIII (19)
- e +-e − Experiments (16)
- Heavy Ion Experiments (14)
- Branching fraction (12)
- Hadron-Hadron scattering (experiments) (12)
- LHC (8)
- Particle and Resonance Production (8)
- Quarkonium (7)
- Charm Physics (6)
- Spectroscopy (6)
- Hadronic decays (5)
- Heavy-ion collision (5)
- Heavy-ion collisions (5)
- ALICE experiment (4)
- Branching fractions (4)
- Charm physics (4)
- Charmonium (4)
- Electroweak interaction (4)
- Exotics (4)
- Heavy Ions (4)
- Lepton colliders (4)
- QCD (4)
- ALICE (3)
- Charmed mesons (3)
- Diffraction (3)
- Elastic scattering (3)
- Hadron-Hadron Scattering (3)
- Initial state radiation (3)
- Particle and resonance production (3)
- Polarization (3)
- e+-e− Experiments (3)
- pp collisions (3)
- Absolute branching fraction (2)
- Beam Energy Scan (2)
- Beauty production (2)
- Bhabha (2)
- Chiral Magnetic Effect (2)
- Collectivity (2)
- Correlation (2)
- Cross section (2)
- Electroweak Interaction (2)
- Elliptic flow (2)
- Flavour Physics (2)
- Hadronic cross section (2)
- Leptonic, semileptonic & radiative decays (2)
- Muon anomaly (2)
- Particle correlations and fluctuations (2)
- Particle decays (2)
- Pion form factor (2)
- RHIC (2)
- Radiative decay (2)
- STAR (2)
- Shear viscosity (2)
- Single electrons (2)
- decays (2)
- 900 GeV (1)
- ABC transporters (1)
- ATPases (1)
- Angular distribution (1)
- Annihilation (1)
- B-slope (1)
- BESIII detector (1)
- Beam energy scan (1)
- Born cross section (1)
- Born cross section measurement (1)
- Branching fraction measurement (1)
- CP violation (1)
- Canonical suppression (1)
- Charged-particle multiplicity (1)
- Charm quark spatial diffusion coefficient (1)
- Charm vector (1)
- Charmed baryon (1)
- Charmonia (1)
- Charmonium (-like) (1)
- Chiral magnetic effect (1)
- Coalescence (1)
- Cold nuclear matter effects (1)
- Comparison with QCD (1)
- Covariance matrix (1)
- Critical point (1)
- Cross section measurements (1)
- D meson (1)
- D0 and D+ mesons (1)
- Dalitz decay (1)
- Dark photon (1)
- Dark sector (1)
- Deuteron production (1)
- Di-hadron correlations (1)
- D⁰ meson (1)
- Effective form factor (1)
- Electromagnetic amplitude (1)
- Electromagnetic form factor (1)
- Electromagnetic form factors (1)
- Experimental nuclear physics (1)
- Experimental particle physics (1)
- FOS: Physical sciences (1)
- Femtoscopy (1)
- Flavor changing neutral currents (1)
- Flavor symmetries (1)
- Flow (1)
- Form factors (1)
- Forward physics (1)
- Groomed jet radius (1)
- HBT (1)
- Hadron production (1)
- Hadronization (1)
- Hadrons (1)
- Heavy Quark Production (1)
- Heavy flavor production (1)
- Heavy flavour production (1)
- Heavy ion collisions (1)
- Heavy ions (1)
- Heavy-Ion Collision (1)
- Heavy-flavor decay electron (1)
- Heavy-flavour decay muons (1)
- Heavy-flavour production (1)
- Heavy-ion (1)
- Helicity amplitude analysis (1)
- High Energy Physics - Experiment (hep-ex) (1)
- Higher moments (1)
- Hyperons (1)
- Inclusive branching fraction (1)
- Inclusive spectra (1)
- Intensity interferometry (1)
- Interference fragmentation function (1)
- Invariant Mass Distribution (1)
- Invisible decays (1)
- J/ψ suppression (1)
- Jet substructure (1)
- Jets (1)
- K0S (1)
- Lepton-Nucleon Scattering (experiments) (1)
- Mid-rapidity (1)
- Monte Carlo (1)
- Multi-strange baryons (1)
- Multiple parton interactions (1)
- Net-charge correlations (1)
- Net-charge fluctuations (1)
- Neutrinos (1)
- Nonflow (1)
- Nuclear modification factor (1)
- PYTHIA (1)
- Particle phenomena (1)
- Particle production (1)
- Pb–Pb (1)
- Pb–Pb collisions (1)
- Phase (1)
- Production Cross Section (1)
- Proton (1)
- Proton-proton collisions (1)
- Proton–proton (1)
- Proton–proton collisions (1)
- Quantum chromodynamics (1)
- Quark gluon plasma (1)
- Quark–gluon plasma (1)
- R value (1)
- Rapidity Range (1)
- Rare decays (1)
- Relativistic heavy ion physics (1)
- Resonances (1)
- Semi-leptonic decays (1)
- Single muons (1)
- SoftDrop (1)
- Spin alignment (1)
- Splitting function (1)
- Strangeness enhancement (1)
- Strong amplitude (1)
- Systematic Uncertainty (1)
- Techniques Electromagnetic calorimeters (1)
- Thermal model (1)
- Threshold effect (1)
- Transverse momentum (1)
- Transversity (1)
- Triple quarkonia (1)
- W-exchange (1)
- X-ray crystallography (1)
- Y (4260) (1)
- Y states (1)
- autoregressive GANs (1)
- branching fractions (1)
- center-of-mass energy (1)
- charmed baryon (1)
- charmonium-like states (1)
- cryo-EM (1)
- decay (1)
- dimuon (1)
- diphoton (1)
- e+e − annihilation (1)
- e+e⁻ − Experiments (1)
- e+e− Experiments (1)
- e+e− annihilation (1)
- ectosomes (1)
- electron-positron collision (1)
- emotion generation (1)
- exosomes (1)
- extracellular vesicles (1)
- guidelines (1)
- hadron spectroscopy (1)
- hadronic events (1)
- heavy-ion collisions (1)
- helicity amplitude analysis (1)
- inclusive J/ψ decays (1)
- luminosity (1)
- membrane proteins (1)
- microparticles (1)
- microvesicles (1)
- minimal information requirements (1)
- molecular machines (1)
- number of J/ψ events (1)
- p+p collisions (1)
- phylogeny (1)
- primary active transporters (1)
- reproducibility (1)
- rigor (1)
- sequence alignment (1)
- spectra (1)
- standardization (1)
- structural biology (1)
- tetraquark (1)
- trigger efficiency (1)
- video prediction (1)
- Λ+c baryon (1)
- Λc⁺ (1)
- Σ hyperon (1)
- Υ suppression (1)
- ψ(3686) (1)
- √sN N = 2.76 TeV (1)
Institute
- Physik (1041)
- Frankfurt Institute for Advanced Studies (FIAS) (650)
- Informatik (528)
- Medizin (4)
- Biochemie und Chemie (1)
- Center for Financial Studies (CFS) (1)
- Georg-Speyer-Haus (1)
- Hochschulrechenzentrum (1)
- House of Finance (HoF) (1)
- Informatik und Mathematik (1)
Based on a sample of 4.4 fb−1 of e+e− annihilation data collected in the energy region between 4.6 GeV and 4.7 GeV with the BESIII detector at BEPCII, two singly Cabibbo-suppressed decays Λ+c→Σ0K+ and Λ+c→Σ+K0S are studied. The ratio of the branching fraction B(Λ+c→Σ0K+) relative to B(Λ+c→Σ0π+) is measured to be 0.0361±0.0073(stat.)±0.0005(syst.), and the ratio of B(Λ+c→Σ+K0S) relative to B(Λ+c→Σ+π+π−) is measured to be 0.0106±0.0031(stat.)±0.0004(syst.). After taking the world-average branching fractions of the reference decay channels, the branching fractions B(Λ+c→Σ0K+) and B(Λ+c→Σ+K0S) are determined to be (4.7±0.9(stat.)±0.1(syst.)±0.3(ref.))×10−4 and (4.8±1.4(stat.)±0.2(syst.)±0.3(ref.))×10−4, respectively. The branching fraction of the Λ+c→Σ+K0S decay is measured for the first time.
Using (448.1±2.9)×106 ψ(3686) events collected with the BESIII detector, we perform the first search for the weak baryonic decay ψ(3686)→Λ+cΣ¯−+c.c.. The analysis procedure is optimized using a blinded method. No significant signal is observed, and the upper limit on the branching fraction (B) of ψ(3686)→Λ+cΣ¯−+c.c. is set to be 1.4×10−5 at the 90\% confidence level.
Using (448.1±2.9)×106 ψ(3686) events collected with the BESIII detector, we perform the first search for the weak baryonic decay ψ(3686)→Λ+cΣ¯−+c.c.. The analysis procedure is optimized using a blinded method. No significant signal is observed, and the upper limit on the branching fraction (B) of ψ(3686)→Λ+cΣ¯−+c.c. is set to be 1.4×10−5 at the 90\% confidence level.
Using (448.1±2.9)×106 ψ(3686) events collected with the BESIII detector, we perform the first search for the weak baryonic decay ψ(3686)→Λ+cΣ¯−+c.c.. The analysis procedure is optimized using a blinded method. No significant signal is observed, and the upper limit on the branching fraction (B) of ψ(3686)→Λ+cΣ¯−+c.c. is set to be 1.4×10−5 at the 90\% confidence level.
Using a sample of 4.3×105 η′→ηπ0π0 events selected from the ten billion J/ψ event dataset collected with the BESIII detector, we study the decay η′→ηπ0π0 within the framework of nonrelativistic effective field theory. Evidence for a structure at π+π− mass threshold is observed in the invariant mass spectrum of π0π0 with a statistical significance of around 3.5σ, which is consistent with the cusp effect as predicted by the nonrelativistic effective field theory. After introducing the amplitude for describing the cusp effect, the ππ scattering length combination a0−a2 is determined to be 0.226±0.060stat±0.013syst, which is in good agreement with theoretical calculation of 0.2644±0.0051.
Using a sample of 4.3×105 η′→ηπ0π0 events selected from the 10 billion J/ψ event data set collected with the BESIII detector, we study the decay η′→ηπ0π0 within the framework of non-relativistic effective field theory. Evidence for a structure at π+π− mass threshold is observed in the invariant mass spectrum of π0π0 with a statistical significance of around 3.5σ, which is consistent with the cusp effect as predicted by the non-relativistic effective field theory. After introducing the amplitude for describing the cusp effect, the ππ scattering length combination a0−a2 is determined to be 0.226±0.060stat.±0.012syst., which is in good agreement with theoretical calculation of 0.2644±0.0051.
Using a sample of 4.3×105 η′→ηπ0π0 events selected from the ten billion J/ψ event dataset collected with the BESIII detector, we study the decay η′→ηπ0π0 within the framework of nonrelativistic effective field theory. Evidence for a structure at π+π− mass threshold is observed in the invariant mass spectrum of π0π0 with a statistical significance of around 3.5σ, which is consistent with the cusp effect as predicted by the nonrelativistic effective field theory. After introducing the amplitude for describing the cusp effect, the ππ scattering length combination a0−a2 is determined to be 0.226±0.060stat±0.013syst, which is in good agreement with theoretical calculation of 0.2644±0.0051.
By analyzing 𝑒+𝑒− annihilation data with an integrated luminosity of 2.93 fb−1 collected at the center-of-mass energy √𝑠=3.773 GeV with the BESIII detector, we present the first absolute measurements of the branching fractions of twenty Cabibbo-suppressed hadronic 𝐷0(+) decays involving multiple pions. The highest four branching fractions obtained are ℬ(𝐷0→𝜋+𝜋−𝜋0) = (1.343±0.013stat±0.016syst)%, ℬ(𝐷0→𝜋+𝜋−2𝜋0) = (1.002±0.019stat±0.024syst)%, ℬ(𝐷+→2𝜋+𝜋−𝜋0) = (1.165±0.021stat±0.021syst)%, and ℬ(𝐷+→2𝜋+𝜋−2𝜋0) = (1.074±0.040stat±0.030syst)%. The 𝐶𝑃 asymmetries for the six decays with highest signal yields are also determined and found to be compatible with zero.
By analyzing e+e− annihilation data with an integrated luminosity of 2.93 fb−1 collected at the center-of-mass energy s√= 3.773 GeV with the BESIII detector, we present the first absolute measurements of the branching fractions of twenty Cabibbo-suppressed hadronic D0(+) decays involving multiple pions. The largest four branching fractions obtained are B(D0→π+π−π0) = >(1.343±0.013stat±0.016syst)%, B(D0→π+π−2π0) = (0.998±0.019stat±0.024syst)%, B(D+→2π+π−π0)
(1.174±0.021stat±0.021syst)%, and B(D+→2π+π−2π0) = (1.074±0.040stat±0.030syst)%. The CP asymmetries for the six decays with highest event yields are also determined.
Observation of 𝜒𝑐𝐽→Λ¯Λ𝜂
(2022)
By analyzing (448.1±2.9)×106 𝜓(3686) events collected with the BESIII detector operating at the BEPCII collider, the decays of 𝜒𝑐𝐽→Λ
¯Λ𝜂 (𝐽=0, 1, and 2) are observed for the first time with statistical significances of 13.9𝜎, 6.7𝜎, and 8.2𝜎, respectively. The product branching fractions of 𝜓(3686)→𝛾𝜒𝑐𝐽 and 𝜒𝑐𝐽→Λ¯Λ𝜂 are measured. Dividing by the world averages of the branching fractions of 𝜓(3686)→𝛾𝜒𝑐𝐽, the branching fractions of 𝜒𝑐𝐽→Λ¯Λ𝜂 decays are determined to be (2.31±0.30±0.21)×10−4, (5.86±1.38±0.68)×10−5, and (1.05±0.21±0.15)×10−4 for 𝐽=0, 1 and 2, respectively, where the first uncertainties are statistical and the second systematic.