News & Views |
Featured
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Nature Podcast |
Do protons have intrinsic charm? New evidence suggests yes
A machine learning approach examines decades of data in the hunt for the proton’s charm, and the latest from the Nature Briefing.
- Benjamin Thompson
- & Nick Petrić Howe
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Article
| Open AccessExperimental demonstration of optical stochastic cooling
Stochastic cooling at optical frequencies is demonstrated in an experiment at the Fermi National Accelerator Laboratory’s Integrable Optics Test Accelerator, substantially increasing the bandwidth of stochastic cooling compared with conventional systems.
- J. Jarvis
- , V. Lebedev
- & A. Valishev
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News |
Particle physicists want to build the world’s first muon collider
The accelerator would smash together this heavier version of the electron and, researchers hope, discover new particles.
- Elizabeth Gibney
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Nature Podcast |
Higgs boson at 10: a deep dive into the mysterious, mass-giving particle
We discuss the discovery of the Higgs boson and the impact it's had on physics.
- Elizabeth Gibney
- & Benjamin Thompson
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News |
Upgraded LHC begins epic run to search for new physics
After a three-year shutdown, the Large Hadron Collider will smash particles together at the highest energies yet.
- Elizabeth Gibney
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Perspective |
The Higgs boson turns ten
Ten years since the discovery of the Higgs boson, the exploration of the Higgs sector, as this overview shows, has progressed far beyond original expectations, but many research questions still remain open.
- Gavin P. Salam
- , Lian-Tao Wang
- & Giulia Zanderighi
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Editorial |
Particle physics isn’t going to die — even if the LHC finds no new particles
On the tenth anniversary of the discovery of the Higgs boson, it’s worth emphasizing that there’s a lot more to particle physics than particle hunting.
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Book Review |
Peter Higgs: the man behind the God particle
A friend’s close look at a reclusive physicist and his community.
- Robert P. Crease
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Article
| Open AccessA detailed map of Higgs boson interactions by the ATLAS experiment ten years after the discovery
Ten years after the discovery of the Higgs boson, the ATLAS experiment at CERN probes its kinematic properties with a significantly larger dataset from 2015–2018 and provides further insights on its interaction with other known particles.
- G. Aad
- , B. Abbott
- & L. Zwalinski
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News |
Happy birthday, Higgs boson! What we do and don’t know about the particle
Physicists are celebrating ten years since the Higgs boson’s discovery. But many of its properties remain mysterious.
- Elizabeth Gibney
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Article
| Open AccessA portrait of the Higgs boson by the CMS experiment ten years after the discovery
The most up-to-date combination of results on the properties of the Higgs boson is reported, which indicate that its properties are consistent with the standard model predictions, within the precision achieved to date.
- A. Tumasyan
- , W. Adam
- & A. Zhokin
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News |
Physicists spellbound by deepening mystery of muon particle’s magnetism
Theoretical predictions move closer to experimental results, but questions remain about possible gaps in the standard model of particle physics.
- Davide Castelvecchi
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News & Views |
Tiny isotopic difference tests standard model of particle physics
A high-precision comparison of the magnetic moments of two isotopically different neon ions opens a path to the search for elusive particles that could explain the unexpectedly low observed mass of the Higgs boson.
- Gerald Gwinner
- & Roshani Silwal
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News & Views |
From the archive: the unexpected action of an α-particle, and an appeal for cleaner waters
Snippets from Nature’s past.
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Article
| Open AccessProbing CP symmetry and weak phases with entangled double-strange baryons
Using spin-entangled baryon–antibaryon pairs, the BESIII Collaboration reports on high-precision measurements of potential charge conjugation and parity (CP)-symmetry-violating effects in hadrons.
- M. Ablikim
- , M. N. Achasov
- & J. H. Zou
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News |
Education evidence, new-physics hunt — the week in infographics
Nature highlights three key graphics from the week in science and research.
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News Feature |
How the revamped Large Hadron Collider will hunt for new physics
The particle-smashing machine has fired up again — sparking fresh hope it can find unusual results.
- Elizabeth Gibney
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Article
| Open AccessDirect observation of the dead-cone effect in quantum chromodynamics
The direct measurement of the QCD dead cone in charm quark fragmentation is reported, using iterative declustering of jets tagged with a fully reconstructed charmed hadron.
- S. Acharya
- , D. Adamova
- & N. Zurlo
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Nature Podcast |
Why do naked mole rats live as long as giraffes?
Identifying how animals’ mutation rates line up with their longevity, and what the war in Ukraine means for emissions.
- Nick Petrić Howe
- & Benjamin Thompson
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News |
Particle’s surprise mass threatens to upend the standard model
Data from an old experiment find that the mass of the W boson is higher than theory predicts, hinting at future breakthroughs.
- Davide Castelvecchi
- & Elizabeth Gibney
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News & Views |
Cryogenic mastery aids bid to spot elusive matter creation
A cubic metre of tellurium held at cryogenic temperatures over many years has enabled a search for matter created in a rare nuclear process. The feat bodes well for stabilizing other complex systems at low temperatures.
- Jason Detwiler
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Article
| Open AccessSearch for Majorana neutrinos exploiting millikelvin cryogenics with CUORE
The CUORE experiment finds no evidence for neutrinoless double beta decay after operating a large cryogenic TeO2 calorimeter stably for several years in an extreme low-radiation environment at a temperature of 10 millikelvin.
- D. Q. Adams
- , C. Alduino
- & S. Zucchelli
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News & Views |
Superfluid confines exotic atoms without disrupting precision measurements
High-precision measurements of exotic atoms containing antimatter are shown to be equally precise when the atoms are immersed in superfluid helium. Such immersion could be used for other atoms in studies of dark matter.
- Yukari Matsuo
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Article
| Open AccessHigh-resolution laser resonances of antiprotonic helium in superfluid 4He
The spectral lines of antiprotonic helium atoms are shown to retain their sub-gigahertz linewidth upon submersion in a bath of superfluid helium, enabling the hyperfine structure to be resolved.
- Anna Sótér
- , Hossein Aghai-Khozani
- & Masaki Hori
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Nature Index |
Japan strives to improve its global standing in science
A nation’s ambitious scientific goals are bringing in the best from around the world.
- David McNeill
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News |
Omicron’s advantage, particle accelerators — the week in infographics
Nature highlights three key graphics from the week in science and research.
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News & Views |
Plasmas primed for rapid pulse production
A plasma-based device is set to challenge particle accelerators that generate high-quality light pulses, with evidence that the cheaper plasma platform can run at competitive repetition rates.
- Michael Litos
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Article
| Open AccessRecovery time of a plasma-wakefield accelerator
Relaxation of a perturbed plasma back to its initial state over nanosecond timescales establishes that megahertz repetition rates are supported, and high luminosities and brilliances are in principle attainable with plasma-wakefield accelerator facilities.
- R. D’Arcy
- , J. Chappell
- & J. Osterhoff
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News Round-Up |
Earth-like planet, neutrino’s mysterious mass and disease eradication
The latest science news, in brief.
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News Feature |
A supernova could light up the Milky Way at any time. Astronomers will be watching
When a star from our Galactic neighbourhood explodes, it could outshine the Moon. Researchers are racing to get ready for the fireworks.
- Davide Castelvecchi
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News |
How light is a neutrino? The answer is closer than ever
Latest effort to weigh the elusive particle produces a more precise estimate of its upper limit.
- Davide Castelvecchi
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News & Views |
Search for single magnetic charges in the largest of fields
Collisions between lead ions have produced the largest measured magnetic field in the Universe, enabling a search for elusive exotic particles that carry an isolated magnetic charge.
- Sonia Kabana
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Article |
Search for magnetic monopoles produced via the Schwinger mechanism
At the Large Hadron Collider, the MoEDAL experiment shows no evidence for magnetic monopoles generated via the Schwinger mechanism at integer Dirac charges below 3, and suggests a lower mass limit of 75 GeV/c2.
- B. Acharya
- , J. Alexandre
- & O. Vives
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News |
Earth’s orbit, testing in pregnancy — the week in infographics
Nature highlights three key infographics from the week in science and research.
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News & Views |
Mirror symmetry validated for proton and its antimatter twin
A comparison of the charge-to-mass ratio for the proton and the antiproton has been performed with record-breaking precision — the best such test yet for a mirror-like symmetry that relates matter and antimatter.
- Ralf Lehnert
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Article |
A 16-parts-per-trillion measurement of the antiproton-to-proton charge–mass ratio
Multiple high-precision measurement campaigns at CERN of the antiproton-to-proton charge-to-mass ratio—to a precision of 16 parts per trillion—in a cryogenic multi-Penning trap offer no evidence of charge–parity–time violation, and set stringent limits on the clock-weak-equivalence principle.
- M. J. Borchert
- , J. A. Devlin
- & S. Ulmer
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News & Views |
Electrons reveal the need for improved neutrino models
Experiments on electrons interacting with atomic nuclei have shown that the models used to measure neutrino oscillations — and thereby possibly to understand the formation of the Universe — are less accurate than we thought.
- Noemi Rocco
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Article |
Electron-beam energy reconstruction for neutrino oscillation measurements
Electron scattering measurements are shown to reproduce only qualitatively state-of-the-art lepton–nucleus energy reconstruction models, indicating that improvements to these particle-interaction models are required to ensure the accuracy of future high-precision neutrino oscillation experiments.
- M. Khachatryan
- , A. Papadopoulou
- & S. Gardiner
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News |
Physicists make most precise measurement ever of neutron’s lifetime
But decades-long mystery of how long the particles live persists.
- Davide Castelvecchi
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News |
Exotic four-quark particle spotted at Large Hadron Collider
Rare tetraquark is one of dozens of non-elementary particles discovered by the accelerator, and could help to test theories about strong nuclear force.
- Davide Castelvecchi
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News |
The vanishing neutrinos that could upend fundamental physics
The search for exotic ‘Majorana’ particles that could solve a big antimatter mystery is ramping up around the world.
- Davide Castelvecchi
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Book Review |
A physicist goes in search of our origins
CERN experimentalist offers sweeping history of the Universe, in science and culture.
- Andrea Taroni
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Book Review |
The singing neutrino Nobel laureate who nearly bombed Nevada
From desert to gold mine — Frederick Reines was a larger-than-life physicist who did larger-than-life experiments.
- Alison Abbott
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News & Views |
Prediction for magnetic moment of the muon informs a test of the standard model of particle physics
A new first-principles computation of the effect that creates most uncertainty in calculations of the magnetic moment of the muon particle has been reported. The results might resolve a long-standing puzzle, but pose another conundrum.
- Harvey B. Meyer
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News |
What’s next for physics’ standard model? Muon results throw theories into confusion
Anomalies to fundamental theory have physicists trying to concoct new explanations.
- Davide Castelvecchi
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Nature Podcast |
The sanitation crisis making rural America ill
The lack of adequate sanitation in parts of the rural US, and physicists reassess muons’ magnetism.
- Nick Petrić Howe
- & Shamini Bundell
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Article |
Leading hadronic contribution to the muon magnetic moment from lattice QCD
A precise theoretical computation of the anomalous magnetic moment of the muon based on ab initio quantum chromodynamics and quantum electrodynamics calculations is presented, which favours the existing experimental values.
- Sz. Borsanyi
- , Z. Fodor
- & L. Varnhorst
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News |
Is the standard model broken? Physicists cheer major muon result
The muon’s magnetic moment is larger than expected — a hint that new elementary particles are waiting to be discovered.
- Davide Castelvecchi
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Article
| Open AccessLaser cooling of antihydrogen atoms
The successful laser cooling of trapped antihydrogen, the antimatter atom formed by an antiproton and a positron (anti-electron), is reported.
- C. J. Baker
- , W. Bertsche
- & J. S. Wurtele