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Channel: Sabine Hossenfelder

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science without the gobbledygoook

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science humor

science news sabine

physics

particle physics

wakefield accelerator

plasma wakefield acceleration

particle accelerator

particle collider

CERN

physics news

particle physics news

science news short

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sciencenews

00:00:00

you've probably heard that particle

00:00:02

physicists would really really like to

00:00:04

have a new particle collider one that

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can reach even higher energies than the

00:00:09

large hyron collider the currently most

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powerful particle accelerator in the

00:00:13

world and this new breakthrough which I

00:00:16

just read about the other day might make

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their dream come true the biggest

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problem with particle colliders is that

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they're big because that makes them very

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very expensive they're big because

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accelerat particles to high energies

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requires a lot of strong magnets in

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sequence this is why the large hen

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collider is a ring with a circumference

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of a whopping 27 kilm the next bigger

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collider that CERN wants to build would

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be 100 kilm long in the new paper now

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they were testing a completely different

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way to accelerate particles it's called

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wake surfing the idea is similar to

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surfing in the wake of a boat to make

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particles wake surf you create a plasma

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from some gas and shoot a laser through

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it the laser creates a distortion in the

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plasma that moves with almost the speed

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of light you can then inject particles

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into this rapidly moving plasma

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Distortion the strong electric and

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magnetic fields in the wake of the laser

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sh accelerate the particles this idea

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has been around for some time but the

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authors of the recent paper added a new

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trick which is incredibly cool first

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they created the Wake with the Texas

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petwood laser but then they injected

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nanoparticles into the wake of the laser

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shot these nanoparticles release

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electrons into the Wake which

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significantly increases the electric

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field and with that the acceleration in

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two of the 23 shots the electrons reach

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energies of about 10 G electron volt

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without using nanoparticles it was just

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about two it actually worked better than

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they expected on the paper they write we

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do not have a satisfactory model or

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experimental explanation for the Gen

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generation of such high electron

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energies yes the large hron collider

00:02:04

makes it to almost 7 ter electron volts

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per beam that's a factor 1,000 more but

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they did it in just 10

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cm I'm known to be very critical of

00:02:15

particle physics but really I feel I'm

00:02:17

somewhat misunderstood all I'm saying is

00:02:20

that bigger isn't always better if your

00:02:22

bandwidth isn't the best you can also

00:02:25

listen to our science news as an audio

00:02:27

only version that you find among the on

00:02:30

Spotify and all other big podcast

00:02:32

platforms under the name science with

00:02:35

Sabina thanks for watching see you

00:02:40

tomorrow

Description:

Just out last week is a really cute paper about a new technology for particle accelerators, called plasma wakesurfing. It has the potential to dramatically decrease the size of particle accelerators. Paper here: https://pubs.aip.org/aip/mre/article/9/1/014001/2921557/The-acceleration-of-a-high-charge-electron-bunch The full science news playlist is here: https://www.youtube.com/watch?v=rVri9slkCQU&list=PLwgQsqtH9H5cX997cyJ94Ob7gZXqoV4Jh 🤓 Check out our new quiz app ➜ https://quizwithit.com/ 💌 Support us on Donatebox ➜ https://donorbox.org/swtg 📝 Transcripts and written news on Substack ➜ https://sciencewtg.substack.com/ 👉 Transcript with links to references on Patreon ➜ https://www.patreon.com/Sabine 📩 Free weekly science newsletter ➜ https://sabinehossenfelder.com/newsletter/ 👂 Audio only podcast ➜ https://open.spotify.com/show/0MkNfXlKnMPEUMEeKQYmYC 🔗 Join this channel to get access to perks ➜ https://www.youtube.com/channel/UC1yNl2E66ZzKApQdRuTQ4tw/join 🖼️ On instagram ➜ https://www.facebook.com/unsupportedbrowser

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