Articles tagged with Proton Mass
Researchers at Chinese Academy of Sciences have measured the mass of silicon-22, revealing a new proton magic number. This finding provides deeper insight into exotic nuclear structures and nucleon interactions, shedding light on element formation in the Universe.
A patient with adenoid cystic carcinoma was successfully treated with step-and-shoot proton arc therapy at Corewell Health William Beaumont University Hospital. The treatment showed minimal side effects, including only light skin discoloration, and the patient remains cancer-free.
Ryan Amberger, a Ph.D. candidate in physics at Texas A&M University, has been selected for a 2025 Los Alamos-Texas A&M Fellowship to conduct dissertation research on nuclear astrophysics. He aims to improve understanding of the s-process by studying neutron cross sections.
Scientists have discovered proton halos in several exotic atomic nuclei, including phosphorus-26 and sulfur-27, using precise nuclear masses. The findings shed light on potential experimental and theoretical research on proton halo nuclei.
A newly developed perovskite with large intrinsic oxygen vacancies achieves high proton conduction at low and intermediate temperatures. The material can take up more water to increase its proton concentration, reducing proton trapping through electrostatic repulsion between the dopant and proton.
A team of researchers, led by Associate Professor Hiroyuki Fujioka from Tokyo Institute of Technology, investigated the feasibility of bound tetraneutron emission in thermal neutron-induced fission of Uranium-235. They found that the instrumental neutron activation method can be applied to address open questions in nuclear physics.
The Telescope Array has detected the second-highest energy cosmic ray ever observed, with an energy equivalent to dropping a brick on your toe from waist height. The Amaterasu particle deepens the mystery of ultra-high-energy cosmic rays, which may follow particle physics unknown to science.
Scientists at Kyoto University have established a new experimental method to examine ultra-light dark matter, addressing the challenging problem of detection. By applying millimeter-wave sensing technology in cryogenic conditions, they were able to detect dark photons with a mass range previously unexplored.
Researchers at UNH tested state-of-the-art calculations of the strong force with an experiment probing proton spin, finding agreement with one but not the other. The findings provide a benchmark for testing the strong force and its applications in future technology.
The BESIII experiment has made significant discoveries in the study of charmonium and charmoniumlike states, including the observation of conventional and exotic hadrons. The researchers have also uncovered evidence for the commonality among X(3872), Y(4260), and Zc(3900) states.
Researchers have discovered a new technique to locate the diffusion wake's signal in the quark-gluon plasma, a subatomic soup that flowed like a friction-free fluid after the Big Bang. This breakthrough may help scientists understand how matter emerged from this perfect fluid.
Researchers at the Chinese Academy of Sciences extracted the proton mass radius from experimental data, finding it to be 0.67 ± 0.03 femtometers, which is smaller than the charge radius.
Researchers capture particles in an unexplored energy region using photon-proton collisions, providing new insights into the nucleus. The measurements suggest that gluons directly contribute more than 80% of the proton's mass.
A new measurement for the size of the proton at 0.833 femtometres confirms it is approximately five percent smaller than previously accepted value. The study resolves the long-standing proton-radius puzzle with an electron-based measurement that agrees with a 2010 finding.
Researchers propose a new method for directly detecting dark matter by exploiting the interaction between superfluid helium and potential dark matter particles. The strategy involves a tub of helium and a positively charged metal pin array to amplify the tiny energy signature of a released atom, enabling the detection of single atoms a...
Physicists from Germany and Japan made a precise measurement of the proton's mass, improving it by a factor of three and correcting the existing value. The resulting mass is significantly smaller than current standards, providing insight into fundamental physical theories.
A Japanese physicist has developed new ways to create muonium atoms through particle collisions, offering advancements in detection and applications in proton size measurements. The second method using a positively charged muon colliding with a muonic hydrogen atom shows the most promise for future experiments.
Researchers at PTB compared caesium and ytterbium atomic clocks, finding no detectable change in the mass ratio of protons to electrons up to a relative uncertainty of one part in ten million per year. This suggests fundamental constants remain stable over long periods.
Research by Rodger Thompson finds that a popular dark energy alternative does not fit newly obtained data on the proton to electron mass ratio. This impact our understanding of the universe's accelerating expansion and point to a new direction for further study, potentially leading to a return to Einstein's General Relativity.
A new superconducting magnet is being tested at the University of Illinois to enable precise measurements of the proton's magnetic moment and small-scale structures. The experiment, called G0, will use polarized electrons to scatter off liquid hydrogen and deuterium targets in the magnet.
Scientists have calculated a lower strange quark contribution and discovered evidence for the proton's anapole moment, a parity-violating electromagnetic effect. The findings suggest less than 6% of the proton's magnetic moment arises from the strange quark.
Physicists have measured the rate of single proton release from highly deformed nuclei, offering insights into how nucleus shape affects radioactivity. The study reveals that these unusual shapes can significantly impact radioactivity rates, challenging conventional models.