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LHCb discovers three new exotic particles（图）
大型强子对撞机 奇异粒子 五夸克 四夸克
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2023/5/26
The international LHCb collaboration at the Large Hadron Collider (LHC) has observed three never-before-seen particles: a new kind of “pentaquark” and the first-ever pair of “tetraquarks”, which inclu...
ATLAS seeks out unusual signatures of long-lived particles（图）
ATLAS 长寿命粒子 不寻常特征
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2023/5/26
High-energy collisions at the Large Hadron Collider (LHC) allow researchers to clearly study heavy Standard Model particles, like the Higgs boson, that decay almost immediately at the LHC collision po...
Scientists make first detection of exotic “X” particles in quark-gluon plasma（图）
夸克 胶子 等离子体 “X”粒子
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2023/6/9
In the first millionths of a second after the Big Bang, the universe was a roiling, trillion-degree plasma of quarks and gluons — elementary particles that briefly glommed together in countless combin...
LHCb measures tiny mass difference between particles（图）
LHCb测量 颗粒 微小质量差
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2023/5/26
The LHCb collaboration has measured a difference in mass between two particles of 0.00000000000000000000000000000000000001 grams – or, in scientific notation, 10-38 g. The result, reported in a paper ...
Researchers identify free-flowing aerosol particles using holograms,lasers（图）
Researchers identify free-flowing aerosol particles holograms lasers
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2017/10/25
Holographic images of free-flowing air particles may help climate change and biological weapons watchdogs better monitor the atmosphere, according to a recent Kansas State University study.Principle i...
World’s smallest neutrino detector observes elusive interactions of particles（图）
World’s smallest neutrino detector interactions particles
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2017/9/4
In 1974, a Fermilab physicist predicted a new way for ghostly particles called neutrinos to interact with matter. More than four decades later, a UChicago-led team of physicists built the world’s smal...
New Technique Enables 3-D Printing With Paste of Silicone Particles in Water
Enables 3D Printing Silicone Particles in Water
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2017/7/21
Three-dimensional (3D) printing of polymers is accomplished easily with thermoplastics as the extruded hot melt solidifies rapidly during the printing process. Printing with liquid polymer precursors ...
'Ghost particles' could improve understanding the universe
Ghost particles understanding universe
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2017/2/16
Trillions of neutrinos, or ghost particles, are passing through us every second. While scientists know this fact, they don’t know what role neutrinos play in the universe because they are devilishly h...
Optomechanics of Levitated Dielectric Particles
Optomechanics optical trapping Brownian motion macroscopic quantum mechanics sensor
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2016/1/23
We review recent works on optomechanics of optically trapped microspheres and nanoparticles in vacuum, which provide an ideal system for studying macroscopic quan-tum mechanics and ultrasensitive forc...
Experimental Observation of Entanglement Duality for Identical Particles
entanglement duality quantum indistinguishability quantum mechanics
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2016/1/22
It was shown recently that entanglement of identical particles has a feature called dualism (Bose and Home 2013 Phys. Rev. Lett. 110 140404), which is funda-mentally connected with quantum indistingui...
odeling coagulation among particles of different composition and size
Aerosol microphysics multicomponent aerosols atmospheric modeling
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2015/7/6
odeling coagulation among particles of different composition and size.
Study Unveils New Half-Light Half-Matter Quantum Particles
Half-Light Half-Matter Quantum Particles
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2015/1/8
Prospects of developing computing and communication technologies based on quantum properties of light and matter may have taken a major step forward thanks to research by City College of New York ...
Systematic 1/M expansion for spin 3/2 particles in baryon chiral perturbation theory
The theory of relativity pion - nucleon - delta system spin 3/2 resonance nuclear soft power the quality of meson
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2014/12/22
Starting from a relativistic formulation of the pion-nucleon-delta system, the most general structure of 1/M corrections for a heavy baryon chiral lagrangian including spin 3/2 resonances is given. Th...
The loop-gas approach to Bose-Einstein condensation for trapped particles
Bose - Einstein condensation particles the wave function is symmetrical cellular automata harmonic oscillator
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2014/12/22
We examine Bose–Einstein condensation (BEC) for particles trapped in a harmonic potential by considering it as a transition in the length of permutation cycles that arise from wave-function symmetry. ...
Diffusion and binding of finite-size particles in confined geometries
Particles airtight environment biological technology particle size space particles interaction transmission
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2014/12/19
Describing the diffusion of particles through crowded, confined environments with which they can interact is of considerable biological and technological interest. Under conditions where the confineme...