A joint Fermilab/SLAC publication

Neutrinos 101

Learn more about the invisible particles constantly streaming through us all.

03/07/23

Do hidden influences give neutrinos their tiny mass?

The quest to understand the small mass of neutrinos is also a quest to discover new particles.

01/24/23

Ways to weigh a neutrino

For decades scientists have tried to find a way to measure the mass of the lightest matter particle known to exist. Three new approaches now have a chance to succeed.

08/04/22

Why aren’t neutrinos adding up?

Physicists take on the mystery of the missing (and extra) neutrinos.

08/17/21

The search for the sterile neutrino

Back when it was theorized, scientists weren’t sure they would ever detect the neutrino; now they’re searching for a version of the particle that could be even more elusive.

05/13/21

Which neutrino is the heaviest?

The question may seem simple, but physicists don’t yet know the answer. New measurements aim to change that.

11/13/19

How do you make the world’s most powerful neutrino beam?

DUNE will need lots of neutrinos—and to make them, scientists and engineers will use extreme versions of some common sounding ingredients: magnets and pencil lead.

10/25/18

Already beyond the Standard Model

We already know neutrinos break the mold of the Standard Model. The question is: By how much?

05/24/18

Game-changing neutrino experiments

This neutrino-watchers season preview will give you the rundown on what to expect to come out of neutrino research in the coming years.

02/16/17

Wizardly neutrinos

Why can a neutrino pass through solid objects?

01/10/17

How heavy is a neutrino?

The question is more complicated than it seems.

 
06/14/16

The neutrino turns 60

Project Poltergeist led to the discovery of the ghostly particle. Sixty years later, scientists are confronted with more neutrino mysteries than ever before.

06/07/16

The neutrino cocktail

Neutrinos are a puzzling mixture of three flavors and three masses. Scientists want to measure them down to the last drop.

03/01/16

The hidden neutrino

The explanation for some strange experimental results could lie in undiscovered particles called sterile neutrinos.

02/09/16

Neutrinos on a seesaw

A possible explanation for the lightness of neutrinos could help answer some big questions about the universe.

01/20/16

Is the neutrino its own antiparticle?

The mysterious particle could hold the key to why matter won out over antimatter in the early universe.

06/30/15

How do you solve a puzzle like neutrinos?

When it comes to studying particles that zip through matter as though it weren’t even there, you use every method you can think of.

08/27/13

Neutrinoless double beta decay

The observation of neutrinoless double beta decay would suggest that, by itself, the Standard Model Higgs cannot give mass to neutrinos.

06/18/13

Journey from the center of the Earth

Subatomic particles streaming from the Earth’s interior carry important evidence of the planet’s origins.

02/12/13

Neutrinos, the Standard Model misfits

For years, scientists thought that neutrinos fit perfectly into the Standard Model. But they don't. By better understanding these strange, elusive particles, scientists seek to better understand the workings of all the universe, one discovery at a time.

11/13/12

How to make a neutrino beam

Neutrinos are elusive particles that are difficult to study, yet they may help explain some of the biggest mysteries of our universe. Using accelerators to make neutrino beams, scientists are unveiling the neutrinos’ secrets.