| 单词 | magnetic moment |
| 例句 | In the Kondo effect, on the other hand, the magnetic moment is neutralized by its the electron interactions. New quantum effect demonstrated for the first time: Spinaron, a rugby in a ball pit 2023-10-26T04:00:00Z This apparent discrepancy in the muon’s “magnetic moment” has been significant to physicists because it could arise via nudges from undiscovered particles that are unaccounted for by current theory. Muon Mystery Deepens with Latest Measurements 2023-08-10T04:00:00Z The muon’s magnetic moment had seemed to be stronger than predicted by the standard model, but the latest theoretical calculations suggest that it is not, after all. Hint of Crack in Standard Model Vanishes in LHC Data 2022-12-22T05:00:00Z As ferromagnetic particles in ancient artifacts cool, their magnetic moments are baked into the alignment. Archaeologists Devise a Better Clock for Biblical Times 2022-12-20T05:00:00Z First, most anomalies, in particular the anomalous magnetic moment of the muon, would affect Z decays, such as Z bosons turning into a muon and an antimatter muon. Rule-Breaking Particles Pop Up in Experiments around the World 2022-11-14T05:00:00Z "Our discovery is important for understanding the physics of magnetic moments on metal surfaces," declares Bode. New quantum effect demonstrated for the first time: Spinaron, a rugby in a ball pit 2023-10-26T04:00:00Z Making progress on this vexing problem boils down to better calculations and more precise measurements of the muon’s magnetic moment. Muon Mystery Deepens with Latest Measurements 2023-08-10T04:00:00Z Note also that the neutron is made of charges that add to zero but move internally, producing its well-known magnetic moment. College Physics for AP Courses 2015-08-12T00:00:00Z When an electron in an atom or ion is unpaired, the magnetic moment due to its spin makes the entire atom or ion paramagnetic. Chemistry 2019-02-14T00:00:00Z Particles with spin have magnetic moments, which is to say they behave like microscopic magnets. How Migrating Birds Use Quantum Effects to Navigate 2022-03-15T04:00:00Z This entourage influences the behavior of existing particles, including a property of the muon called its magnetic moment, represented in equations by a factor called g. A Tiny Particle’s Wobble Could Upend the Known Laws of Physics 2021-04-07T04:00:00Z On Thursday researchers announced the latest measurement milestone, which pins down the muon’s magnetic moment to an error of just one part in five million. Muon Mystery Deepens with Latest Measurements 2023-08-10T04:00:00Z Why does a neutral particle like the neutron have a magnetic moment? College Physics for AP Courses 2015-08-12T00:00:00Z The size of the magnetic moment of a system containing unpaired electrons is related directly to the number of such electrons: the greater the number of unpaired electrons, the larger the magnetic moment. Chemistry 2019-02-14T00:00:00Z Radicals are molecules that have lost or gained an electron, meaning that they contain an odd, unpaired, electron and hence have a spin and a magnetic moment. How Migrating Birds Use Quantum Effects to Navigate 2022-03-15T04:00:00Z They are also made in lab-created particle collisions, such as those used in the Fermilab experiments to measure the muon’s magnetic moment. Is the Standard Model of Physics Now Broken? 2021-04-07T04:00:00Z To measure the muon’s magnetic moment, physicists at the Muon g−2 experiment begin by funneling a beam of muons into a storage ring around the 50-foot magnet. Muon Mystery Deepens with Latest Measurements 2023-08-10T04:00:00Z His theory, for example, explained electron spin and magnetic moment in a natural way. College Physics for AP Courses 2015-08-12T00:00:00Z Therefore, the observed magnetic moment is used to determine the number of unpaired electrons present. Chemistry 2019-02-14T00:00:00Z The original results, announced in 2001 and then finalized in 2006, found that the muon’s magnetic moment—a measure of the magnetic field it generates—is slightly larger than theory predicted. Long-Awaited Muon Physics Experiment Nears Moment of Truth 2021-03-31T04:00:00Z The muon’s magnetic moment determines how fast the particle’s spin axis orbits around magnetic field lines. Is the Standard Model of Physics Now Broken? 2021-04-07T04:00:00Z In 2021 the collaboration measured the muon’s magnetic moment to a precision of one part in two million. Muon Mystery Deepens with Latest Measurements 2023-08-10T04:00:00Z Just like the electron, the muon also exhibits a magnetic moment when subjected to a magnetic field. Physicists Achieve Best-Ever Measurement of Fine-Structure Constant 2020-12-16T05:00:00Z The significance of both the tritium and neutrino magnetic moment hypotheses corresponds to 3.2 sigma, meaning that they are also consistent with the data. Dark matter hunt yields unexplained signal 2020-06-17T04:00:00Z Muon g – 2 measures the muon’s magnetic moment by moving the particles around in a 15-metre-diameter circle. Long-Awaited Muon Physics Experiment Nears Moment of Truth 2021-03-31T04:00:00Z The result is usually quoted as the “g-2” where “g” is the magnetic moment. Is the Standard Model of Physics Now Broken? 2021-04-07T04:00:00Z Using an enormous amount of computational resources, the BMW team made the most precise calculation of the muon’s magnetic moment—and found it disagreed with all other theoretical predictions. Muon Mystery Deepens with Latest Measurements 2023-08-10T04:00:00Z Moreover, similar to the electron, there is a difference between the theoretical and experimental values of the muon’s magnetic moment. Physicists Achieve Best-Ever Measurement of Fine-Structure Constant 2020-12-16T05:00:00Z Quantum mechanics predicts that electrons carry tiny magnetic moments called spin. Philip W. Anderson (1923–2020) 2020-04-30T04:00:00Z The stronger the particles’ magnetic moment, the faster the axis will spin. Long-Awaited Muon Physics Experiment Nears Moment of Truth 2021-03-31T04:00:00Z Here, the magnetic moments arrange themselves so that each may align opposite to its neighbor, so one cancels out the other. Philip Anderson, Nobel-winning theoretical physicist, dies at 96 2020-04-01T04:00:00Z When it reaches the fixed artificial boundary, two opposite magnetic moments collide, producing a region of the wire in which the moment changes abruptly. An all-electrical magnetic logic gate that harnesses chirality between domains 2020-03-10T04:00:00Z In the case of the electron, the experimental measurement of the magnetic moment is 1.6 standard deviations above the theoretical prediction based on the fine-structure constant measured by the Paris group. Physicists Achieve Best-Ever Measurement of Fine-Structure Constant 2020-12-16T05:00:00Z The concept of antiferromagnetism, in which spins align in alternating directions and the average magnetic moment is zero, was developed only in the 1930s. Magnetic and topological order united in a crystal 2019-12-17T05:00:00Z The more types of particle that exist, the more their virtual versions affect the magnetic moment. Long-Awaited Muon Physics Experiment Nears Moment of Truth 2021-03-31T04:00:00Z With ferromagnetism understood as deriving from the alignment of the individual magnetic moments of atoms in a crystal, Dr. Anderson provided a quantum explanation for what had been the perplexing property of antiferromagnetism. Philip Anderson, Nobel-winning theoretical physicist, dies at 96 2020-04-01T04:00:00Z One of the main goals of the collaboration is to determine the intrinsic magnetic moment of the antiproton. Link between antimatter and dark matter probed 2019-11-12T05:00:00Z Physicists are now eagerly awaiting the first results of the “Muon g-2” experiment at Fermilab that is expected to provide the most precise experimental measurement of the muon’s magnetic moment. Physicists Achieve Best-Ever Measurement of Fine-Structure Constant 2020-12-16T05:00:00Z An ordered arrangement of magnetic moments in a material normally prevents the formation of another kind of electronic order associated with an exotic state of matter known as a topological insulator. Magnetic and topological order united in a crystal 2019-12-17T05:00:00Z The resulting magnetic moment is only slightly different from 2, and that tiny difference is commonly denoted by g – 2. Long-Awaited Muon Physics Experiment Nears Moment of Truth 2021-03-31T04:00:00Z These emission lines provide a fingerprint of the magnetic moment and valley — minimum or maximum of the band structure — of the electron and hole that formed a particular exciton. Materials in flatland twist and shine 2019-03-05T05:00:00Z But once they started to measure things beyond the immediate realm of the senses, such as electric charges and magnetic moments, they needed units of their own. Perspective | The inevitable, tragic — and ultimately necessary — death of the kilogram 2018-11-16T05:00:00Z The ability to use an electric or magnetic field to manipulate the orientation of electric dipoles or magnetic moments associated with atoms, ions or molecules in a material provides a vast array of functions. Electric and magnetic domains inverted by a magnetic field 2018-08-21T04:00:00Z Further improvements in the measurement precision of the antiproton magnetic moment using our method are possible. A parts-per-billion measurement of the antiproton magnetic moment : Nature : Nature Research 2017-10-17T04:00:00Z The energies of the hyperfine states are solved using an effective Hamiltonian with the hyperfine splitting and the magnetic moments of hydrogen as inputs. Observation of the hyperfine spectrum of antihydrogen : Nature : Nature Research 2017-08-01T04:00:00Z Measurements of the electron and its antiparticle, the positron, showed their spin magnetic moments to be the same to within 4 parts in 1012. Hans Dehmelt (1922-2017) : Nature : Nature Research 2017-05-16T04:00:00Z When last measured 15 years ago at the Brookhaven National Laboratory in New York, the muon’s magnetic moment was larger than theory predicts. Muons’ big moment could fuel new physics 2017-04-10T04:00:00Z A ferromagnetic material contains concerted arrangements of electron magnetic moments, which are located on specific sites of the material’s atomic lattice. Electric and magnetic domains inverted by a magnetic field 2018-08-21T04:00:00Z We chose to use the 68% CL of the measured data as the quoted experimental uncertainty, to facilitate the comparison to our previous proton magnetic moment measurement9, where we also used 68% CL. A parts-per-billion measurement of the antiproton magnetic moment : Nature : Nature Research 2017-10-17T04:00:00Z Researchers took a beam of neutrons and separated them from their magnetic moment, like passengers and their baggage at airport security. 'Quantum Cheshire Cat' observed 2014-07-29T04:00:00Z A proton’s magnetic moment arises from a fundamental quantum property called spin, which causes the proton to behave as a tiny bar magnet with a north and a south pole. Proton's magnetism measured with greatest precision yet 2014-05-28T04:00:00Z This is because the magnetic moments of nearby nuclei perturb the local magnetic field of the nucleus under study, introducing fine structure or splitting of the observed resonance. Q&A: A man of many dimensions 2013-10-16T17:21:35.633Z Certain materials are composed of regions of aligned electric dipoles or magnetic moments, known as domains. Electric and magnetic domains inverted by a magnetic field 2018-08-21T04:00:00Z The extraordinary difficulty in measuring with high precision is caused by its intrinsic smallness; for example, it is 660 times smaller than the magnetic moment of the positron3. A parts-per-billion measurement of the antiproton magnetic moment : Nature : Nature Research 2017-10-17T04:00:00Z By applying filters and a technique known as "post-selection", they were able to detect the physical separation of the neutrons from their magnetic moment - as measured by the direction of their spin. 'Quantum Cheshire Cat' observed 2014-07-29T04:00:00Z The researchers calculated the proton’s magnetic moment by observing a single proton flip between these two states. Proton's magnetism measured with greatest precision yet 2014-05-28T04:00:00Z Muon g-2 is designed to precisely measure the muon's magnetic moment in order to see if the result agrees with the standard model's prediction. Magnet's Mississippi Journey Delayed by 1 Week 2013-06-14T23:00:00Z Raizen's technique is straightforward: finely tuned lasers push electrons in the desired isotope into higher energy states, temporarily changing the atoms' magnetic moment. Controversial research: Good science bad science 2012-04-25T17:20:31.727Z Together with the initialization of the spin state, an entire experiment cycle takes about 40 min, which is about three times faster than in our 2014 proton magnetic moment measurement9. A parts-per-billion measurement of the antiproton magnetic moment : Nature : Nature Research 2017-10-17T04:00:00Z They found that the magnetic moment created by the spin and charge of the muon, a short-lived particle similar to an electron, did not match the predictions of the standard model. Physicists hunt for dark forces 2012-04-04T17:20:36.127Z By this mode of arrangement a greater magnetic moment can be secured, together with more perfect astaticity and freedom from disturbance by external fields. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 4 "G" to "Gaskell, Elizabeth" 2011-08-24T02:00:20.690Z Because the confinement depends on the antihydrogen’s magnetic moment, if the spin of the antiatom flips, it is ejected from the magnetic bottle and annihilates with an atom of normal matter. CERN Group Traps Antihydrogen 2011-06-07T14:39:00Z Instead of the light being absorbed, energy is stored in the magnetic moment. Solar Power Without Solar Cells? 2011-04-14T13:43:57Z To get an absolutely constant magnetic moment, is not possible, but between certain limits we can get a very near approximation to constancy. Scientific American Supplement, No. 433, April 19, 1884 Whether this be the case or not, it is certain that the greater the exciting current the less will a variation in it affect the magnetic moment of the core. Scientific American Supplement, No. 433, April 19, 1884 |
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