Bootstrap dynamical symmetry breaking with strong Yukawa coupling
A bstract The newly discovered 126 GeV boson appears, by all counts, to be the Higgs boson of the Standard Model. Although this seems to exclude the existence of a heavy fourth generation quark doublet Q , for theoretical interest, we document a mechanism of dynamical mass generation via strong Yuka...
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| Veröffentlicht in: | The journal of high energy physics 2013-11, Vol.2013 (11), p.1-26, Article 48 |
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| container_title | The journal of high energy physics |
| container_volume | 2013 |
| creator | Mimura, Yukihiro Hou, Wei-Shu Kohyama, Hiroaki |
| description | A
bstract
The newly discovered 126 GeV boson appears, by all counts, to be the Higgs boson of the Standard Model. Although this seems to exclude the existence of a heavy fourth generation quark doublet
Q
, for theoretical interest, we document a mechanism of dynamical mass generation via strong Yukawa coupling. The Goldstone boson
G
(the longitudinal component of the weak boson) couples to
Q
with Yukawa coupling λ
Q
. A “bootstrap” gap equation is constructed, where strong λ
Q
generates large quark mass
m
Q
, thereby breaks electroweak symmetry breaking while self-consistently justifying
G
as a massless Goldstone particle in the loop. We solve the gap equation numerically and find
m
Q
to be a couple of TeV. Putting in the light Higgs boson raises the strength of λ
Q
considerably, hence
m
Q
as well, and does not look viable. But the equation allows for a dilaton of scale invariance violation, which has weaker coupling than the Higgs boson, except for
gg
and
γγ
modes. Whether a dilaton can be still compatible with current data is relegated to an appendix. |
| doi_str_mv | 10.1007/JHEP11(2013)048 |
| format | Article |
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bstract
The newly discovered 126 GeV boson appears, by all counts, to be the Higgs boson of the Standard Model. Although this seems to exclude the existence of a heavy fourth generation quark doublet
Q
, for theoretical interest, we document a mechanism of dynamical mass generation via strong Yukawa coupling. The Goldstone boson
G
(the longitudinal component of the weak boson) couples to
Q
with Yukawa coupling λ
Q
. A “bootstrap” gap equation is constructed, where strong λ
Q
generates large quark mass
m
Q
, thereby breaks electroweak symmetry breaking while self-consistently justifying
G
as a massless Goldstone particle in the loop. We solve the gap equation numerically and find
m
Q
to be a couple of TeV. Putting in the light Higgs boson raises the strength of λ
Q
considerably, hence
m
Q
as well, and does not look viable. But the equation allows for a dilaton of scale invariance violation, which has weaker coupling than the Higgs boson, except for
gg
and
γγ
modes. Whether a dilaton can be still compatible with current data is relegated to an appendix.</description><identifier>ISSN: 1029-8479</identifier><identifier>EISSN: 1029-8479</identifier><identifier>DOI: 10.1007/JHEP11(2013)048</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Bosons ; Broken symmetry ; Classical and Quantum Gravitation ; Couples ; Dilatons ; Elementary Particles ; Higgs bosons ; High energy physics ; Joining ; Mathematical analysis ; Mathematical models ; Physics ; Physics and Astronomy ; Quantum Field Theories ; Quantum Field Theory ; Quantum Physics ; Relativity Theory ; String Theory</subject><ispartof>The journal of high energy physics, 2013-11, Vol.2013 (11), p.1-26, Article 48</ispartof><rights>SISSA, Trieste, Italy 2013</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c343t-879852ee93ecbe41557862e6094beee486f9ad07f12d0ad5353e89be561aeb573</citedby><cites>FETCH-LOGICAL-c343t-879852ee93ecbe41557862e6094beee486f9ad07f12d0ad5353e89be561aeb573</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/JHEP11(2013)048$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://doi.org/10.1007/JHEP11(2013)048$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27903,27904,41099,41467,42168,42536,51297,51554</link.rule.ids><linktorsrc>$$Uhttps://doi.org/10.1007/JHEP11(2013)048$$EView_record_in_Springer_Nature$$FView_record_in_$$GSpringer_Nature</linktorsrc></links><search><creatorcontrib>Mimura, Yukihiro</creatorcontrib><creatorcontrib>Hou, Wei-Shu</creatorcontrib><creatorcontrib>Kohyama, Hiroaki</creatorcontrib><title>Bootstrap dynamical symmetry breaking with strong Yukawa coupling</title><title>The journal of high energy physics</title><addtitle>J. High Energ. Phys</addtitle><description>A
bstract
The newly discovered 126 GeV boson appears, by all counts, to be the Higgs boson of the Standard Model. Although this seems to exclude the existence of a heavy fourth generation quark doublet
Q
, for theoretical interest, we document a mechanism of dynamical mass generation via strong Yukawa coupling. The Goldstone boson
G
(the longitudinal component of the weak boson) couples to
Q
with Yukawa coupling λ
Q
. A “bootstrap” gap equation is constructed, where strong λ
Q
generates large quark mass
m
Q
, thereby breaks electroweak symmetry breaking while self-consistently justifying
G
as a massless Goldstone particle in the loop. We solve the gap equation numerically and find
m
Q
to be a couple of TeV. Putting in the light Higgs boson raises the strength of λ
Q
considerably, hence
m
Q
as well, and does not look viable. But the equation allows for a dilaton of scale invariance violation, which has weaker coupling than the Higgs boson, except for
gg
and
γγ
modes. Whether a dilaton can be still compatible with current data is relegated to an appendix.</description><subject>Bosons</subject><subject>Broken symmetry</subject><subject>Classical and Quantum Gravitation</subject><subject>Couples</subject><subject>Dilatons</subject><subject>Elementary Particles</subject><subject>Higgs bosons</subject><subject>High energy physics</subject><subject>Joining</subject><subject>Mathematical analysis</subject><subject>Mathematical models</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Quantum Field Theories</subject><subject>Quantum Field Theory</subject><subject>Quantum Physics</subject><subject>Relativity Theory</subject><subject>String Theory</subject><issn>1029-8479</issn><issn>1029-8479</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNp1kD1PwzAQhiMEEqUws0ZiKUOoP-LYHgsqFFQJBhiYLCe5lLRJHOxEVf49rsJQITHdK93znk5PEFxjdIcR4vOX1fIN4xlBmN6iWJwEE4yIjETM5elRPg8unNsihBmWaBIs7o3pXGd1G-ZDo-sy01XohrqGzg5hakHvymYT7svuK_SY8fmz3-m9DjPTt5XfXQZnha4cXP3OafDxuHx_WEXr16fnh8U6ymhMu0hwKRgBkBSyFGLMGBcJgQTJOAWAWCSF1DniBSY50jmjjIKQKbAEa0gZp9NgNt5trfnuwXWqLl0GVaUbML1TmHNERMIY9ejNH3Rretv47xROGJEk4RJ7aj5SmTXOWShUa8ta20FhpA5K1ahUHZQqr9Q30Nhwnmw2YI_u_lP5AZhseB4</recordid><startdate>20131101</startdate><enddate>20131101</enddate><creator>Mimura, Yukihiro</creator><creator>Hou, Wei-Shu</creator><creator>Kohyama, Hiroaki</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FE</scope><scope>8FG</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ARAPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>P5Z</scope><scope>P62</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20131101</creationdate><title>Bootstrap dynamical symmetry breaking with strong Yukawa coupling</title><author>Mimura, Yukihiro ; Hou, Wei-Shu ; Kohyama, Hiroaki</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c343t-879852ee93ecbe41557862e6094beee486f9ad07f12d0ad5353e89be561aeb573</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Bosons</topic><topic>Broken symmetry</topic><topic>Classical and Quantum Gravitation</topic><topic>Couples</topic><topic>Dilatons</topic><topic>Elementary Particles</topic><topic>Higgs bosons</topic><topic>High energy physics</topic><topic>Joining</topic><topic>Mathematical analysis</topic><topic>Mathematical models</topic><topic>Physics</topic><topic>Physics and Astronomy</topic><topic>Quantum Field Theories</topic><topic>Quantum Field Theory</topic><topic>Quantum Physics</topic><topic>Relativity Theory</topic><topic>String Theory</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Mimura, Yukihiro</creatorcontrib><creatorcontrib>Hou, Wei-Shu</creatorcontrib><creatorcontrib>Kohyama, Hiroaki</creatorcontrib><collection>CrossRef</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>Advanced Technologies & Aerospace Collection</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection (ProQuest)</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>Advanced Technologies & Aerospace Database</collection><collection>ProQuest Advanced Technologies & Aerospace Collection</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>The journal of high energy physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Mimura, Yukihiro</au><au>Hou, Wei-Shu</au><au>Kohyama, Hiroaki</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Bootstrap dynamical symmetry breaking with strong Yukawa coupling</atitle><jtitle>The journal of high energy physics</jtitle><stitle>J. High Energ. Phys</stitle><date>2013-11-01</date><risdate>2013</risdate><volume>2013</volume><issue>11</issue><spage>1</spage><epage>26</epage><pages>1-26</pages><artnum>48</artnum><issn>1029-8479</issn><eissn>1029-8479</eissn><abstract>A
bstract
The newly discovered 126 GeV boson appears, by all counts, to be the Higgs boson of the Standard Model. Although this seems to exclude the existence of a heavy fourth generation quark doublet
Q
, for theoretical interest, we document a mechanism of dynamical mass generation via strong Yukawa coupling. The Goldstone boson
G
(the longitudinal component of the weak boson) couples to
Q
with Yukawa coupling λ
Q
. A “bootstrap” gap equation is constructed, where strong λ
Q
generates large quark mass
m
Q
, thereby breaks electroweak symmetry breaking while self-consistently justifying
G
as a massless Goldstone particle in the loop. We solve the gap equation numerically and find
m
Q
to be a couple of TeV. Putting in the light Higgs boson raises the strength of λ
Q
considerably, hence
m
Q
as well, and does not look viable. But the equation allows for a dilaton of scale invariance violation, which has weaker coupling than the Higgs boson, except for
gg
and
γγ
modes. Whether a dilaton can be still compatible with current data is relegated to an appendix.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/JHEP11(2013)048</doi><tpages>26</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Bosons Broken symmetry Classical and Quantum Gravitation Couples Dilatons Elementary Particles Higgs bosons High energy physics Joining Mathematical analysis Mathematical models Physics Physics and Astronomy Quantum Field Theories Quantum Field Theory Quantum Physics Relativity Theory String Theory |
| title | Bootstrap dynamical symmetry breaking with strong Yukawa coupling |
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