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nLab > Latest Changes: flavour (particle physics)

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  1.  
    • CommentRowNumber1.
    • CommentAuthorUrs
    • CommentTimeDec 3rd 2018

    stub entry, for the moment just so as to satisfy links

    v1, current

    • CommentRowNumber2.
    • CommentAuthorUrs
    • CommentTimeOct 18th 2019

    added pointer to:

    diff, v5, current

    • CommentRowNumber3.
    • CommentAuthorUrs
    • CommentTimeOct 28th 2019

    added pointer to last week’s

    • Monika Blanke, Flavour Physics from Present to Future Colliders (arxiv:1910.10662)

    diff, v7, current

    • CommentRowNumber4.
    • CommentAuthorUrs
    • CommentTimeNov 2nd 2019
    • (edited Nov 15th 2019)

    added basic pointers to realization of flavour physics in intersecting D-brane models:

    geometric engineering of flavour physics in intersecting D-brane models (AdS/QCD) was originally understood in

    and then developed in detail for QCD in the Sakai-Sugimoto model:

    diff, v8, current

    • CommentRowNumber5.
    • CommentAuthorUrs
    • CommentTimeNov 15th 2019

    added a Properties-section with mentioning of a) flavour anomalies and b) geometric engineering of flavour by D8-branes.

    But the entry still remains a stub.

    diff, v9, current

    • CommentRowNumber6.
    • CommentAuthorUrs
    • CommentTimeNov 15th 2019

    added pointer to further lecture notes:

    diff, v10, current

    • CommentRowNumber7.
    • CommentAuthorUrs
    • CommentTimeNov 15th 2019

    I was looking for an introductory reference to flavor physics that one could point to with a straight face (most of the Lecture notes collected in the entry forget to introduce their reader to the subject…).

    Now I finally found one:

    But it’s an author-less and title-less and home-less document (truncating its URL to identify the author just gives Forbidden errors).

    Googling for sentences from within the document shows there is text overlap with the introduction of

    • Gino Isidori, Yosef Nir, Gilad Perez, Flavor Physics Constraints for Physics Beyond the Standard Model (arXiv:1002.0900)

    But it’s a small overlap, just on the first two dozen of lines.

    So if anyone knows or finds out author/title/date/publication of webhome.weizmann.ac.il/home/yotams/notes/ep1_flavor.pdf, let’s add that iunformation

    diff, v10, current

    • CommentRowNumber8.
    • CommentAuthorUrs
    • CommentTimeNov 20th 2019

    added pointer to today’s

    • Fernando Abreu de Souza, Gero von Gersdorff, A Random Clockwork of Flavor (arxiv:1911.08476)

    diff, v11, current

    • CommentRowNumber9.
    • CommentAuthorUrs
    • CommentTimeJan 21st 2020

    am adding references on “The flavor problem”, such as this nice set of slides:

    diff, v13, current

    • CommentRowNumber10.
    • CommentAuthorUrs
    • CommentTimeJan 21st 2020

    this exposition here is really good:

    diff, v14, current

    • CommentRowNumber11.
    • CommentAuthorUrs
    • CommentTimeJan 21st 2020

    added this slide from Altmannshofer 14

    diff, v14, current

    • CommentRowNumber12.
    • CommentAuthorDavid_Corfield
    • CommentTimeJan 22nd 2020

    So what appears in the ’Higgs potential’, V(ϕ)V(\phi), in what you take from Isidori 16 includes what Altmannshofer 14 has as separate from his V(ϕ)V(\phi), appearing in the ’flavor sector’?

    • CommentRowNumber13.
    • CommentAuthorUrs
    • CommentTimeJan 22nd 2020
    • (edited Jan 22nd 2020)

    Yes, that’s right. Isidori’s slides collect all terms with a Higgs factor under “flavor sector”, while Altmannshofer’s slides split this further into the pure Higgs terms and those involving fermion factors, labelling only the latter as “flavor sector”.

    On the one hand, the Higgs is not itself flavored, on the other hand the Higgs coupling between flavors is what makes the latter interesting. So both perspectives make sense.

    But with Isidori’s convention all the terms that are related to problems/puzzles with the standard model are collected together. Which seems suggestive.

    • CommentRowNumber14.
    • CommentAuthorDavid_Corfield
    • CommentTimeJan 22nd 2020

    Ok, I’ve put that in as a note.

    diff, v17, current

    • CommentRowNumber15.
    • CommentAuthorUrs
    • CommentTimeJan 22nd 2020

    I see that, while Isidori’s slide shows all Higgs terms, it actually labels the flavor sector just as Altmannshofer does. So I have reworded a little, as follows:

    (Note that Isidori’s slides collect all terms with a Higgs boson factor, including the pure Higgs terms reflecting the cosmological constant and the hierarchy problem, and hence “all the problematic terms”, while the flavor sector proper consists of those terms involving Higgs and quark factors.)

    diff, v18, current

    • CommentRowNumber16.
    • CommentAuthorUrs
    • CommentTimeJan 22nd 2020

    added this pointer on the flavor problem in the MSSM:

    diff, v18, current

    • CommentRowNumber17.
    • CommentAuthorUrs
    • CommentTimeJan 22nd 2020

    added:

    Moreover, all observed CP violation is related to flavor-changing interactions.

    diff, v19, current

    • CommentRowNumber18.
    • CommentAuthorUrs
    • CommentTimeJan 22nd 2020

    added also this sentence:

    Finally, due to confinement, the flavor-changing transitions between quarks are not seen in isolation by collider experiments, but are only seen via the induced decays of the mesons and/or baryons that the quarks are bound in. This way the flavor problem is tied to the confinement problem and hence to the problem of formulating QCD non-perturbatively (e.g. via AdS/QCD).

    diff, v19, current

    • CommentRowNumber19.
    • CommentAuthorUrs
    • CommentTimeApr 10th 2020

    added a section (here) with references on SU(2)SU(2)-flavor symmetry emerging on single heterotic M5-branes.

    diff, v26, current

    • CommentRowNumber20.
    • CommentAuthorUrs
    • CommentTimeApr 27th 2020

    added pointer to today’s

    • Zhi-zhong Xing, Flavor structures of charged fermions and massive neutrinos (arXiv:1909.09610)

    diff, v27, current

    • CommentRowNumber21.
    • CommentAuthorUrs
    • CommentTimeApr 29th 2020

    added pointer to today’s

    • Antonio Pich, Flavour Dynamics and Violations of the CP Symmetry, Lectures at the 2017 and 2019 CERN - Latin-American Schools of High-Energy Physics (arXiv:1805.08597)

    diff, v28, current

    • CommentRowNumber22.
    • CommentAuthorUrs
    • CommentTimeMar 30th 2021

    added pointer to today’s:

    diff, v33, current

    • CommentRowNumber23.
    • CommentAuthorUrs
    • CommentTimeJul 16th 2022

    added pointer to this recent talk:

    • Vladimir V. Gligorov, Overview of quark flavour results, talk at ICHEP 2022 (Bologna, 2022) [infn:171923]

    diff, v36, current

1 to 23 of 23

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