Physical Review Letters · 11 September 2026 · From issue 36

First Energy-Scan Measurement of e + e - → K + K - around the ψ ( 2 S ) Resonance

A particle's breakup rate into kaon pairs has two possible values, not one.

M. Ablikim, M. N. Achasov et al.

Integrity screen: passed (3 checks) Checked 14 September 2026. Read the source

The plain-language reading of this paper is in the full issue, for subscribers.

Read the full issue

Get it free, every two days

Five papers free every issue, about 15 emails a month. No spam. Leave in one click.

Also in issue 36 15 papers

An AI tool using blood and health data helped doctors predict immunotherapy response in lung cancer better than standard scores.
Nature Medicine
Once-common species are declining faster than rare species on land and at sea.
Nature Communications
A plant protein has a pocket shaped to grab broken bits of chewed-up cell walls.
Science
Rising air, not wind-blown moisture, mainly controls oxygen patterns in Asian monsoon rain.
Nature Communications
In Arabidopsis plants, one enzyme family makes a different breakdown product of a stress hormone than scientists thought.
Nature Communications
Giant viruses grew huge by stealing host genes, not by evolving into cell-like life.
Proceedings of the National Academy of Sciences
The sun's northern and southern coronal holes differ in size, strength, and lifespan patterns.
The Astrophysical Journal
Floating genetic material does not directly switch on the nerve-damage protein SARM1, lab tests show.
Proceedings of the National Academy of Sciences
A soft sensor detects tiny pressures accurately and barely drifts, even under heavy repeated force.
Science Advances
In mice, blocking a protein called SPP1 made immune therapy shrink KRAS-mutant lung tumors better.
Science Advances
A tough, permanently hardened plastic can be broken apart and recycled using a gentle chemical process.
Science Advances
Two proteins hold together a gate inside airway cilia, and losing either one causes disease.
Science
In zebrafish, learning to smell better reshaped brain activity patterns to separate important smells more clearly.
Nature Neuroscience
A single protein helps brain cells shut off overactive electric signals before they cause harm.
eLife