Well, the dude is a Nobel Laureate.
You are indirectly connected to every human that lived
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BlindBoo
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- Sep 28, 2010
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Damn I feeee___eeel like I been here (doing this) before.......
BlindBoo
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ReinyDays
Gold Member
Please explain ... we have a helium nucleus, two regular protons and two regular neutrons, absolutely no anti-matter ... we add energy and split this into two deuterium nuclei, and again we have two regular protons and two regular neutrons, absolutely no anti-matter ... just less energy in the environment ... how does this demonstrate singlet production? ...
The physics of pair production is explained in the Wikipedia article I linked to above ... you need to point to the section that's wrong, explain what is correct and focus on how this causes singlet production ...
Yes ... the individual photons of the CMB were the first to be able to travel freely through the universe ... and thus can be considered the oldest observable electromagnetic radiation ... this event occurred some time after the bulk of pair production, the CMB could only propagate after the primordial plasma combined into neutral hydrogen ... any singlet production would have to have occurred before the CMB escaped and traveled freely in the universe ...
The question is why we only observe matter at this time, and not an equal amount of anti-matter? ... a condition that persists to this day ...
ReinyDays
Gold Member
Well, the dude is a Nobel Laureate.
So is Bob Dylan ... [giggle] ...
ReinyDays
Gold Member
No ... he's pretty much up to speed in all this ... I'm older and more practiced at treachery ... it only looks like I'm besting him ... but that's strictly an apparition of our various frames of reference ... I'm very cleverly spinning what he posts into something that appears to be my idea ...
You ... on the other hand ... are a lost cause ... doomed to management at the local McDonald's ... 3 kids and 3 divorces ... banking on SS ...
C'mon man, quit playing games.
The existence of the antiproton was experimentally confirmed in 1955 by University of California, Berkeley physicists Emilio Segrè and Owen Chamberlain, for which they were awarded the 1959 Nobel Prize in Physics.[51] An antiproton consists of two up antiquarks and one down antiquark. The properties of the antiproton that have been measured all match the corresponding properties of the proton, with the exception of the antiproton having opposite electric charge and magnetic moment from the proton. Shortly afterwards, in 1956, the antineutron was discovered in proton–proton collisions at the Bevatron (Lawrence Berkeley National Laboratory) by Bruce Cork and colleagues.[52]
In addition to antibaryons, anti-nuclei consisting of multiple bound antiprotons and antineutrons have been created. These are typically produced at energies far too high to form antimatter atoms (with bound positrons in place of electrons). In 1965, a group of researchers led by Antonino Zichichi reported production of nuclei of antideuterium at the Proton Synchrotron at CERN.[53] At roughly the same time, observations of antideuterium nuclei were reported by a group of American physicists at the Alternating Gradient Synchrotron at Brookhaven National Laboratory.[54]
Antimatter - Wikipedia
Do you really want to argue with George Wald when he said, Our universe is made of four kinds of so-called elementary particles: neutrons, protons, electrons, and photons, which are particles of radiation. (I disregard neutrinos, since they do not interact with other matter; also the host of other particles that appear transiently in the course of high‑energy nuclear interactions.) The only important qualification one need make to such a simple statement is that the first three particles exist also as antiparticles, the particles constituting matter, the anti-particles anti-matter. When matter comes into contact with anti-matter they mutually annihilate each other, and their masses are instantly turned into radiation according to Einstein’s famous equation, E = mc2, in which E is the energy of the radiation, m is the annihilated mass, and c is the speed of light.
We aren't talking about pair production. We are talking about how the universe was created with nearly equal amounts of anti-matter particles and matter particles. I get why people believe that the universe should have been created with equal amounts of anti-matter particles and matter particles. In fact, George Wald begins his discussion explaining the symmetry and why that is what would have been expected. But what happened isn't what was expected. The CMB is your proof that the universe began with nearly equal amounts of matter and anti-matter. It is figuratively the fingerprint on the murder weapon.
esalla
Platinum Member
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Actually my Apple orchard shares are splitting.
Yawn
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Keep babbling and everyone will believe that you are a great pretend physicist
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Thanks for dodging MY question. The answer to YOUR question has already been provided. Only matter particles exist because the universe was not created with equal amounts of anti-matter particles and matter particles. The universe was created with 1 billion anti-matter particles for every 1 billion and 1 matter particles. As George Wald so eloquently stated, "so that when all the mutual annihilation had happened, there remained over that one particle per billion, and that now constitutes all the matter in the universe -- all the galaxies, the stars and planets, and of course all life."
I dunno, I'm 59 too and can be treacherous when I want to be. Which is usually when I don't have facts on my side and feel like being a dick. But putting that aside, I know full well what you are trying to do. It's a shame too because it could be much different; much better.
Do the right thing, the right way for the right reason.
Yes, in literature.Well, the dude is a Nobel Laureate.
So is Bob Dylan ... [giggle] ...
Yep, the atoms in your body consist of energy that was created from nothing ~14 billion years ago.
The energy that makes up the atoms in your body once occupied a very tiny space with all of the other energy in the universe. It was from a thermodynamics perspective a perfectly ordered system.
So your statement that we are all very VERRRY distant cousins is accurate but ~14 billion years ago we weren't that distant.
ReinyDays
Gold Member
Yes, we are ... my claim is that because of pair production ... there is missing antimatter in the universe ...
I admire George Wald ... the man was gifted in taking complex subjects and explaining them simply ... and I'm sure the piece he wrote that you're relying on was true and correct at the time of the writing ...
50 years ago ...
We've learned a lot about the universe since then ... including that the early universe was opaque ... something George Wald (and you) didn't take into consideration ... sure, later in the history of the universe, when it becomes transparent, we find more matter than antimatter ... my question is why? ... and the answer must come from the time before the universe was transparent, before CMB could travel freely through the universe ...
We can recreate these early conditions in the lab ... and in every experiment, we produce particles in pairs ... electrons and positrons ... protons and antiprotons ... neutron and antineutrons ... always ... one in two billion is fine until we do this 10 trillion times and always always always we produce particles in pairs ...
A short article ... give you an idea of the state-of-the-science in this "matter" ...
"Physicists Zoom in on Mysterious 'Missing' Antimatter" -- Phys.org -- Apr 4th, 2018
Unkotare
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You seem to think you're smarter than Einstein, which is just hilarious.
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