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2. Doublet–triplet splitting problem - Wikipedia

   en.wikipedia.org/wiki/Doublet–triplet_splitting...

   In particle physics, the doublet–triplet (splitting) problem is a problem of some Grand Unified Theories, such as SU(5), SO(10), and . Grand unified theories predict Higgs bosons (doublets of S U ( 2 ) {\displaystyle SU(2)} ) arise from representations of the unified group that contain other states, in particular, states that are triplets of ...

3. Georgi–Glashow model - Wikipedia

   en.wikipedia.org/wiki/Georgi–Glashow_model

   The caveat of this is that since the Higgs field is an SU(2) doublet, the remaining part, an SU(3) triplet, must be some new field - usually called D or T. This new scalar would be able to generate proton decay as well and, assuming the most basic Higgs vacuum alignment, would be massless so allowing the process at very high rates.

4. SO(10) - Wikipedia

   en.wikipedia.org/wiki/SO(10)

   Unfortunately, this same 10 also contains triplets. The masses of the doublets have to be stabilized at the electroweak scale, which is many orders of magnitude smaller than the GUT scale whereas the triplets have to be really heavy in order to prevent triplet-mediated proton decays. See doublet-triplet splitting problem.

5. Doublet state - Wikipedia

   en.wikipedia.org/wiki/Doublet_state

   In quantum mechanics, a doublet is a composite quantum state of a system with an effective spin of 1/2, such that there are two allowed values of the spin component, −1/2 and +1/2. Quantum systems with two possible states are sometimes called two-level systems .

6. Proton nuclear magnetic resonance - Wikipedia

   en.wikipedia.org/wiki/Proton_nuclear_magnetic...

   In another molecule a proton resonates at 2.5 ppm and that proton would also be split into two by the proton at 1 ppm. Because the magnitude of interaction is the same, the splitting would have the same coupling constant 7 Hz apart. The spectrum would have two signals, each being a doublet. Each doublet will have the same area because both ...

7. Mattel Sued Over ‘Wicked’ Dolls That Included Link to Porn ...

   www.aol.com/mattel-sued-over-wicked-dolls...

   Mattel is being sued for mistakenly printing the URL for a pornographic site on the packaging for special-edition “Wicked” dolls. According to court documents, a South Carolina resident is ...

8. Today’s NYT ‘Strands’ Hints, Spangram and Answers for Sunday ...

   www.aol.com/today-nyt-strands-hints-spangram...

   In today's puzzle, there are seven theme words to find (including the spangram). Hint: The first one can be found in the top-half of the board. Here are the first two letters for each word: WA. WA ...

9. King Charles warned Prince William, 'Don’t make the mistakes ...

   www.aol.com/king-charles-warned-prince-william...

   Kate Middleton announced she was cancer-free in September. "I’m sure she’s doing exactly what her medical team is saying … and they always say the same thing. They say, ‘Rest, rest, rest.’