- Particle physics theoretical and experimental studies
- Quantum Chromodynamics and Particle Interactions
- High-Energy Particle Collisions Research
- Dark Matter and Cosmic Phenomena
- Black Holes and Theoretical Physics
- Neutrino Physics Research
- Computational Physics and Python Applications
- Particle Detector Development and Performance
- Nuclear physics research studies
- Atomic and Subatomic Physics Research
- Particle Accelerators and Free-Electron Lasers
- Medical Imaging Techniques and Applications
- Atomic and Molecular Physics
- advanced mathematical theories
- Superconducting Materials and Applications
- Nuclear Physics and Applications
- Cosmology and Gravitation Theories
- Astrophysics and Cosmic Phenomena
- Nuclear reactor physics and engineering
- Advanced NMR Techniques and Applications
- Particle accelerators and beam dynamics
- X-ray Spectroscopy and Fluorescence Analysis
- Muon and positron interactions and applications
- Stochastic processes and statistical mechanics
- Scientific Research and Discoveries
Institute of High Energy Physics
2015-2024
Chongqing Cancer Hospital
2024
Chongqing University
2024
Xi'an Polytechnic University
2024
University of Groningen
2023
Shenyang Agricultural University
2020-2023
Hunan University
2022
Boğaziçi University
2017-2022
Ludwig-Maximilians-Universität München
2021
University of Pavia
2000-2021
S+Au interactions at 200A GeV were observed using emulsion chambers, permitting measurement of pseudorapidities in the central region with precision \ensuremath{\sim}0.01 unit. Scaled-factorial-moment analyses are extended to bin sizes smaller than those accessible other fixed-target experimental techniques. For a sample 151 collisions, moments calculated both ``horizontal'' and ``vertical'' analysis While found rise (in log-log plot) decreasing pseudorapidity size...
Over recent years, the Transformer has become a fundamental building block for sequence modeling architectures. Yet at its core is use of self-attention, whose memory and computational cost grow quadratically with length $N$, rendering it prohibitively expensive long sequences. A promising approach top-$k$ attention, which selects only $k$ most relevant tokens achieves performance comparable to vanilla self-attention while significantly reducing space demands. However, causal masks require...
Pseudorapidity distributions of relativistic singly charged particles in oxygen-induced emulsion interactions at 14.6, 60, and 200 GeV/nucleon are studied. Limiting fragmentation behavior is observed both the target projectile regions for a central as well minimum-bias sample. Comparisons with fritiof model reveal that picture fragmenting strings successfully describes data.Received 15 December 1988DOI:https://doi.org/10.1103/PhysRevLett.62.2801©1989 American Physical Society
We have studied the phi->a_0(980) gamma process with KLOE detector at Frascati phi-factory DAPhNE by detecting phi->eta pi^0 decays in final states eta->gamma and eta->pi^+ pi^- pi^0. measured branching ratios for both states: Br(phi->eta gamma)=(7.01 +/- 0.10 0.20)x10^-5 (7.12 0.13 0.22)x10^-5 respectively. also extracted a_0(980) mass its couplings to eta pi^0, K^+ K^-, phi meson from fit of invariant distributions using different phenomenological models.
We have studied the e+e- -> omegapi0 cross section in sqrt(s) interval 1000-1030 MeV using pi+pi-pi0pi0 and pi0pi0gamma final states with a sample of ~600 pb^-1 collected KLOE detector at DAFNE. By fitting observed interference pattern around M_phi for both states, we extract ratio decay widths Gamma(omega->pi0gamma)/Gamma(omega->pi+pi-pi0) = 0.0897 +- 0.0016 derive branching fractions BR(omega pi+pi-pi0)= (90.24 0.19)%, pi0gamma) (8.09 0.14)%. The parameters describing reaction...
The final phase of the ICARUS physics program requires a sensitive mass liquid Argon 5000 tons or more. T600 detector stands today as first living proof that such large can be built and imaging technology implemented on scales. After successful completion series technical tests to performed at assembly hall in Pavia, will ready transported into LNGS tunnel. operation allow us (1) develop local infrastructure needed operate our (2) start handling underground argon (3) study background (4)...
The nonlinear beam dynamics of transverse betatron oscillations were studied experimentally at the Indiana University Cyclotron Facility cooler ring. Motion in one dimension was measured for tunes near third, fourth, fifth, and seventh integer resonances. This motion is described by coupling between modes field errors. Hamiltonian particle third- fourth-integer-resonance conditions has been deduced.
We have measured the fully inclusive K+ -> mu+nu(gamma) absolute branching ratio with KLOE experiment at DAFNE, Frascati Phi-factory. From some 865,283 decays obtained from a sample of about 5.2x10^8 Phi-meson decays, we find BR(K+ mu+ nu (gamma)) = 0.6366 +-0.0009(stat.) +-0.0015(syst.), corresponding to an overall fractional error 0.27%. Using recent lattice results on decay constants pseudoscalar mesons one can obtain estimate for CKM mixing matrix element |Vus|=0.2223+-0.0026.