Bootstrap Dynamical Symmetry Breaking
Despite the emergence of a 125 GeV Higgs-like particle at the LHC, we explore the possibility of dynamical electroweak symmetry breaking by strong Yukawa coupling of very heavy new chiral quarks Q...
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| Format: | Article |
| Language: | English |
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Wiley
2013-01-01
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| Series: | Advances in High Energy Physics |
| Online Access: | http://dx.doi.org/10.1155/2013/650617 |
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| author | Wei-Shu Hou |
| author_facet | Wei-Shu Hou |
| author_sort | Wei-Shu Hou |
| collection | DOAJ |
| description | Despite the emergence of a 125 GeV Higgs-like particle at the LHC, we explore the possibility of dynamical electroweak symmetry breaking by strong Yukawa coupling of very heavy new chiral quarks
Q
. Taking the 125 GeV object to be a dilaton with suppressed couplings, we note that the Goldstone bosons
G
exist as longitudinal modes
V
L
of the weak bosons and would couple to
Q
with Yukawa coupling
λ
Q
. With
m
Q
≳
700
GeV from LHC, the strong
λ
Q
≳
4
could lead to deeply bound
Q
Q
¯
states. We postulate that the leading “collapsed state,” the color-singlet (heavy) isotriplet, pseudoscalar
Q
Q
¯
meson
π
1
, is
G
itself, and a gap equation without Higgs is constructed. Dynamical symmetry breaking is affected via strong
λ
Q
, generating
m
Q
while self-consistently justifying treating
G
as massless in the loop, hence, “bootstrap,” Solving such a gap equation, we find that
m
Q
should be several TeV, or
λ
Q
≳
4
π
, and would become much heavier if there is a light Higgs boson. For such heavy chiral quarks, we find analogy with the
π
−
N
system, by which we conjecture the possible annihilation phenomena of
Q
Q
¯
→
n
V
L
with high multiplicity, the search of which might be aided by Yukawa-bound
Q
Q
¯
resonances. |
| format | Article |
| id | doaj-art-1c30f22d586d44c2b8072db58a2d368e |
| institution | OA Journals |
| issn | 1687-7357 1687-7365 |
| language | English |
| publishDate | 2013-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advances in High Energy Physics |
| spelling | doaj-art-1c30f22d586d44c2b8072db58a2d368e2025-08-20T02:01:50ZengWileyAdvances in High Energy Physics1687-73571687-73652013-01-01201310.1155/2013/650617650617Bootstrap Dynamical Symmetry BreakingWei-Shu Hou0Department of Physics, National Taiwan University, Taipei 10617, TaiwanDespite the emergence of a 125 GeV Higgs-like particle at the LHC, we explore the possibility of dynamical electroweak symmetry breaking by strong Yukawa coupling of very heavy new chiral quarks Q . Taking the 125 GeV object to be a dilaton with suppressed couplings, we note that the Goldstone bosons G exist as longitudinal modes V L of the weak bosons and would couple to Q with Yukawa coupling λ Q . With m Q ≳ 700 GeV from LHC, the strong λ Q ≳ 4 could lead to deeply bound Q Q ¯ states. We postulate that the leading “collapsed state,” the color-singlet (heavy) isotriplet, pseudoscalar Q Q ¯ meson π 1 , is G itself, and a gap equation without Higgs is constructed. Dynamical symmetry breaking is affected via strong λ Q , generating m Q while self-consistently justifying treating G as massless in the loop, hence, “bootstrap,” Solving such a gap equation, we find that m Q should be several TeV, or λ Q ≳ 4 π , and would become much heavier if there is a light Higgs boson. For such heavy chiral quarks, we find analogy with the π − N system, by which we conjecture the possible annihilation phenomena of Q Q ¯ → n V L with high multiplicity, the search of which might be aided by Yukawa-bound Q Q ¯ resonances.http://dx.doi.org/10.1155/2013/650617 |
| spellingShingle | Wei-Shu Hou Bootstrap Dynamical Symmetry Breaking Advances in High Energy Physics |
| title | Bootstrap Dynamical Symmetry Breaking |
| title_full | Bootstrap Dynamical Symmetry Breaking |
| title_fullStr | Bootstrap Dynamical Symmetry Breaking |
| title_full_unstemmed | Bootstrap Dynamical Symmetry Breaking |
| title_short | Bootstrap Dynamical Symmetry Breaking |
| title_sort | bootstrap dynamical symmetry breaking |
| url | http://dx.doi.org/10.1155/2013/650617 |
| work_keys_str_mv | AT weishuhou bootstrapdynamicalsymmetrybreaking |