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#muon

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Soh Kam Yung

The muon g-2 puzzle rolls on.

"New, robust experimental measurements of the muon g-2’s dominant hadronic processes are also expected over the next couple of years. [...] It’s going to be an exciting few years. Being part of both the experiment and the theory means I have been privileged to see the process from both sides."

physicsworld.com/a/the-muons-m

@startswithabang

Physics World · The muon’s magnetic moment exposes a huge hole in the Standard Model – unless it doesn’t – Physics WorldAlex Keshavarzi digs into the showdown between two competing Standard Model predictions of the muon, which may reveal undiscovered particles hiding in the vacuum
#ParticlePhysics#StandardModel#Muon
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janggolan

#Cosmic rays could help assess hidden war damage in Ukraine…
space.com/the-universe/earth/c
The company [#GScan] also has plans to take the technology to #Ukraine to help evaluate hidden cracks and fractures in buildings and bridges that could cause the structures to collapse in the future. #muon #space

Space · Cosmic rays could help assess hidden war damage in UkraineBy Tereza Pultarova
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Thomas Adam

#fvwm3 #autotools #meson #muon #buildsystem

Hey all! Please note that although fvwm3-1.1.1 is close to being relesaed, there's still a few more things left to do.

Before that point, I'd like to take the opportunity to mention that as of fvwm3-1.1.1 fvwm3 is officially using meson/muon as the buildsystem of choice.

Autotools has been a tremendous help over the years. Heck, fvwm as a project started long before autotools existed.

But as technology changes, newer buildsystem alternatives have come along making better use of hardware, compilation speeds, etc.

Indeed, because of fvwm's age -- there's a tonne of custom m4 macros -- some of which are to work around issues long since gone. With autotools recently deprecating many of these, maintaining this was becoming difficult. Hence the change.

A six-month window exists once fvwm3-1.1.1 is released for downstream packagers to make the move from autotools to meson.

The `main` branch in the fvwm3 repository contains both buildsystems. Please give meson some testing!

A huge thanks goes to Kanjie (Matt Jolly) -- without whom none of this work would have been possible. Thanks, Matt!

For more specific details. please see: github.com/fvwmorg/fvwm3/discu

Questions? I'm here...

GitHubBuildsystem: deprecating autotools for meson/muon · fvwmorg fvwm3 · Discussion #1068A Tale of Three Build Systems This is not a detailed technical explanation as to the rationale, but rather outlines some of the reasons why fvwm has officially moved away from autotools. Timeline F...
Public
maple

I have been trying to move from MacOS to #Linux (specifically #Ubuntu ) insofar as is possile, but there are a couple of pieces of software I cannot seem to find good replacements for.

One is a good free #RSS / #atom #newsreader that I can use WITHOUT connecting to any cloud services that aggregate feeds (in other words it will go out and get each feed individually) and that has what is sometimes called a "magazine" or "newspaper" view option. In many news #feedreader applications there are three panes - you select a feed (or folder containg a group of feeds) in one pane, and headlines from the feed(s) appear in a second pane. You then have to click on each headline individually to read the full text, which to me is annoying as hell. In "newspaper" or "magazine" view (if done correctly) there are only two panes, one shows your list of feeds and feed folders(groups of related feeds) and the other is the window where you read the articles just by scrolling through them, much like you read articles in your home feed in most Mastodon apps, but the difference is that if the feed contains the full text of the article then the full text appears. So you can scroll through all the articles quickly, without having to guess from the headlines which are interesting or relevant. That's why they tend to call it magazine or newspaper view; in either of those publications you almost always see the headline followed the full article. You can get this view using Vienna on MacOS but nothing I have found in Linux will do it. I had thought Fluent Reader might, but it has two issues, first it truncates many articles so it is not giving the full text, but also if you have a wide screen display it leaves far too much white space on the page (plus it is not a very visually appealing app, and I spend a lot of time reading feeds so that actually sort of matters).

The other is a free and easy to use dual pane file manager similar to ForkLift, that will work both with local directories and will also let you connect to external systems using sftp. In particular it will let you connect to server "A" in one pane and select files to move to server "B" in the second pane. #Muon come kind of close but it does not seem to recoznize key authentication and it tells you that passwords are saved insecurely in plain text, so that's a big "no". And besides that it really is not very intuitive. Maybe it would do what I want if I could actually figure out how to use it, but on the other hand they don't seem too concerned about security.

At this point I have found usable replacements for nearly everything else that I use regularly. There is one other difference that drives me crazy, though - in MacOS if I am in a program such as a newsfeed reader or an instant messaging program or whatever, and I click a link, it will send it to a #Firefox tab AND Firefox will immediately come to the foreground. Under #Ubuntu if you do the same thing, it will open a new tab in Firefox (I am pretty certain I had to set some preference to get that to happen) BUT Firefox does not become the foreground application. So, I think that nothing happened when I clicked the link, and click it again, and of course each time I click it is opening a new tab in Firefox to the same URL but I don't realize it because Firefox isn't coming to the foreground. Is there any way to make that happen in Ubuntu?

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meliache

@gregeganSF @johncarlosbaez Agree, muons are minimal-ionizing-particles (doing a little ionization and don't shower up via bremsstrahlung as electrons do) and as such super detector friendly. We created cosmic muon detectors in the physisc lab at uni by anti-correlating two scintillator with a lead plates inbetween and there are school versions of that experiment even. Here I assume a large area would be useful and extracting momentum and direction are the challenging bit. Dark matter and neutrino experiments have muons as a major background, which is why e.g. #icecube built a large surface array of scintillators for vetoing them. Will check out the sources now...
#muon #muography #muontopography #hep

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