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The scientists of the "Xenon 1 ton" experiment identified a larger than expected amount of events that may indicate the existence of new physics

The Xenon 1 Ton experiment is designed to discover dark matter, which scientists believe makes up 85% of all matter in the universe, and it collected data from 2016 to 2018. The hypothesis of the existence of dark matter stems from observations that galaxies and galaxy clusters in the universe - and, in fact, the entire universe - behave As if there is much more substance in them than we manage to measure

The heart of the detector in the "Xenon 1 Ton" experiment. The world's most sensitive to dark matter
The heart of the detector in the "Xenon 1 ton" experiment. The world's most sensitive to dark matter

The scientists of the international experiment "Xenon 1 Ton", which operates in an underground tunnel under Mount Gran Sasso in Italy, announced that the detector, which is considered the most sensitive in the world to dark matter, detected a larger than expected amount of events whose origin is not understood. The scientists, including Prof. Ran Bodnik from the Department of Particle Physics and Astrophysics at the Weizmann Institute of Science, do not claim to have discovered dark matter. In fact, the origin of these events is not fully understood. These events are similar to what may occur as a result of the presence of a tiny residual amount of tritium (an isotope of hydrogen that contains one proton and two neutrons), but they may also indicate the existence of a new particle, known as a "solar axion", or of new properties - which were not known until now So - of neutrino particles.

The Xenon 1 Ton experiment is designed to discover dark matter, which scientists believe makes up 85% of all matter in the universe, and it collected data from 2016 to 2018. The hypothesis of the existence of dark matter stems from observations that galaxies and galaxy clusters in the universe - and, in fact, the entire universe - behave As if there is much more substance in them than we manage to measure.

A particle that hits the detector in the 1 ton xenon experiment may create a tiny flash of light and a handful of free electrons originating from the xenon atoms. A small fraction of these flashes may be due to collisions of unexpected particles with the detector material. In practice, 53 excess events were measured (beyond the expectation, which was about 232 events of known particle collisions).

The probability that the measured events were caused by solar axions is the highest among the possibilities examined"

One possible explanation for the excess of collisions is the presence of a tiny amount of tritium in the detector, but there is currently no way to make a measurement to confirm this. Another explanation may be the existence of a new particle: the solar axion, created in the sun. The existence of axions was hypothesized to solve the time reflection problem of nuclear particles. If it turns out that axions do exist, it will be the first measurement of new physics, beyond the standard model, which may include an explanation of the nature of dark matter.

Alternatively, the excess may be due to the presence of neutrinos (if their magnetic dipole field is larger than expected). This possibility may also indicate the existence of new physics. The scientists found that the probability that the measured events were caused by solar axions is the highest of the possibilities examined. "However", says Prof. Bodnik, "it is still too early to conclude about the existence of axions".

The 1 ton xenon experiment is in the process of being upgraded to its next stage, XENONnT, which will contain three times more active xenon mass. The scientists hope that this upgrade will allow them to understand and decide what the source of the excess events is. 163 scientists from 28 institutions in 11 countries are members of the international research partnership.

More of the topic in Hayadan:

14 תגובות

  1. Indeed, a new physics is on the way, and in order to reach it the particle theory of matter must be abandoned.
    Matter is not a quantitative concept, and is a physical form.

    There are only 5 measurable quantitative things in the world, and they are length, area, volume, time and energy.
    Time appears in a passive aspect, and in an active aspect, as does energy.
    The passive aspect of energy appears in a jump stretched by a real body, and this aspect does not participate in the law of conservation.
    The active side of energy has many sides that roll into each other, and they maintain a law of quantitative use.

    Matter is not a quantitative thing, and it is created from the combination of amounts of passive time and energy.
    Passive time is the harbinger of a new physics, continuum rather than particle physics.
    Absolute cold passive time and absolute rest fills the space, and the void does not exist.
    The waves with the name electromagnetic, are waves of passive time.

    The two fundamental concepts of the new physics are passive time and energy
    The two fundamental concepts in Einstein's physics are matter and energy
    The two fundamental concepts in Newtonian physics are force and matter

    The following article introduces the new universe and the new physics

    http://img2.timg.co.il/forums/2/7512af65-e1e5-47ac-af36-b3654d2d790b.pdf

  2. Eyal Shimon
    There is no such theory - there are some charlatans who have been trying to push this nonsense for many, many years. No scientist engages in this nonsense.

  3. There is an alternative theory called
    "electric universe" electric universe
    A theory that replaces gravity as the basis of physics
    In the electric power.
    In this theory there is no need for dark matter
    I would appreciate comments, especially from those who have learned a little about the alternative theory.

  4. Suppose there is a new particle: a solar axion, created in the sun.
    So why new physics?
    Do the laws of physics change?
    Really unclear

  5. Miracles
    A. Heat/cold cycles existed on Earth even before the appearance of man
    B. The FADH is one of the factors, not the only factor
    third. Climate gate

    But this is a debate of deaf people like Ben Haredi to an atheist
    For those who hold a certain religion it is difficult to let go

  6. kid
    The warming is a fact.
    The reason for the warming is the amount of carbon dioxide in the atmosphere.
    The source of most of the PADH - fossil fuel burning.

    It's really simple.
    Any moron can figure it out. No??

  7. To Sabdarmish Yehuda
    The biggest scientific mistake of the time is global warming because of man
    Although there are sufficiencies about how 'scientific' the theory is and how much politics there is in it

  8. Herzl
    What is the maximum amount that can be attributed to the failure of the experiment?
    There is also a limit to the amount of mistakes in the experiment... right?
    I think you have the wrong opinion.
    In any case, with or without connection - the error in measurements is always relevant - on the same weight of the 'uncertainty' principle...

  9. On the same site, in 2012, it was discovered that there are neutrino particles that move faster than the speed of light. It was in a different experiment but in the same scientific complex under Mount Gran Sasso. Published in newspapers, all the non-scientific press went crazy with speculations and articles. It took about six months, and the researchers announced that they had a small error in the time measurement. The distance was quite accurate…. For the story on Wikipedia:
    https://en.wikipedia.org/wiki/Faster-than-light_neutrino_anomaly
    So you should wait six months and see if the researchers will be able to understand what is happening - new physics or a small mistake...
    And I agree with Yehuda because it is very likely that dark matter does not exist. But this is not a mistake: a certain understanding of measurements, which seems to me to be wrong, but until this understanding turns out to be right or wrong (of course with a high probability) it is simply a scientific hypothesis. There are many of them, but few scientific hypotheses make such a noise...

  10. a a A
    That's what they think, apparently.
    I thought about that too.
    In my opinion, it is possible to plan an experiment that will test the following:
    It is known that a body cannot exert force on itself.
    - An electric charge creates an electric field.

    It seems, as if - the electric field of dark matter does not exist.
    Like, the energy released from an electric charge - doesn't behave as expected.

    Like, the same energy, instead of producing an electric field - it 'converges' within itself, and does not release energy (therefore there is no electric field).
    And as a result, only the magnetic field remains...

    Hence, it seems that the magnetic dipole creates, somehow, a magnetic monopole.

    Drop in the ocean.
    wind on the water,
    Equal parts entertaining.
    Places a quill pen.
    polemics.

  11. The substance is the empty thing while the void is the substance. Or the density of matter is lower than that of the void. Therefore, the force of gravity is actually the force of compression or expansion. of the denser void that wants to expand.

  12. I ask the science responders to take extra caution! These days, when the corona is raging, it is difficult to find a living and there are 63 scientists in 28 institutions who are making a living from it today, so let's cross our fingers (preferably from Xenon) that they will find something already.
    But remember what Sabdarmish tells you:- Dark matter is the biggest scientific mistake of the time. Shame on every liter of wasted xenon.
    Good Day
    Sabdarmish Yehuda

  13. "The probability that the measured events were caused by solar axions is the highest among the possibilities examined" - even if they do the calculation in a Bayesian way? I'll bet not.

    The base probability of tritium contamination is infinitely higher than that of a new particle.

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