Complementarity of B→K(∗)μμ¯ and B→K(∗)+inv for searches of GeV-scale Higgs-like scalars
The rare decays B + → K + μ μ ¯ and B 0 → K ∗ 0 μ μ ¯ provide the strongest constraints on the mixing of a light scalar with the Higgs boson for GeV-scale masses. The constraints sensitively depend on the branching ratio to muons. Additional decay channels like an invisible partial width may substan...
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| Veröffentlicht in: | The European physical journal. C, Particles and fields Particles and fields, 2023-09, Vol.83 (9), p.791 |
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| container_title | The European physical journal. C, Particles and fields |
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| creator | Ovchynnikov, Maksym Schmidt, Michael A. Schwetz, Thomas |
| description | The rare decays
B
+
→
K
+
μ
μ
¯
and
B
0
→
K
∗
0
μ
μ
¯
provide the strongest constraints on the mixing of a light scalar with the Higgs boson for GeV-scale masses. The constraints sensitively depend on the branching ratio to muons. Additional decay channels like an invisible partial width may substantially weaken the constraints. This scenario will be probed at Belle II in
B
→
K
(
∗
)
+
inv
. We illustrate the complementarity of scalar decays to muons and invisible decays using the currently available results of LHCb and BaBar. We provide two simple model realisations providing a sizeable invisible scalar width, one based on a real scalar and one based on a
U
(
1
)
B
-
L
gauge symmetry. In both examples the scalar decays into heavy neutral leptons which can be motivated by the seesaw mechanism for neutrino masses. |
| doi_str_mv | 10.1140/epjc/s10052-023-11975-0 |
| format | Article |
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B
+
→
K
+
μ
μ
¯
and
B
0
→
K
∗
0
μ
μ
¯
provide the strongest constraints on the mixing of a light scalar with the Higgs boson for GeV-scale masses. The constraints sensitively depend on the branching ratio to muons. Additional decay channels like an invisible partial width may substantially weaken the constraints. This scenario will be probed at Belle II in
B
→
K
(
∗
)
+
inv
. We illustrate the complementarity of scalar decays to muons and invisible decays using the currently available results of LHCb and BaBar. We provide two simple model realisations providing a sizeable invisible scalar width, one based on a real scalar and one based on a
U
(
1
)
B
-
L
gauge symmetry. In both examples the scalar decays into heavy neutral leptons which can be motivated by the seesaw mechanism for neutrino masses.</description><identifier>ISSN: 1434-6044</identifier><identifier>EISSN: 1434-6052</identifier><identifier>DOI: 10.1140/epjc/s10052-023-11975-0</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Astronomy ; Astrophysics and Cosmology ; Elementary Particles ; Hadrons ; Heavy Ions ; Higgs bosons ; Leptons ; Light ; Measurement Science and Instrumentation ; Muons ; Neutrinos ; Nuclear Energy ; Nuclear Physics ; Phenomenology ; Physics ; Physics and Astronomy ; Quantum Field Theories ; Quantum Field Theory ; Quarks ; Ratios ; Regular Article - Theoretical Physics ; Scalars ; String Theory ; Symmetry</subject><ispartof>The European physical journal. C, Particles and fields, 2023-09, Vol.83 (9), p.791</ispartof><rights>The Author(s) 2023</rights><rights>The Author(s) 2023. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-p1470-7bc76dbf8bf0e67121b0b0385b3d827cbe81e1fb54ccf103d55877871cbb90b23</cites><orcidid>0000-0001-7002-5201 ; 0000-0001-7091-1764 ; 0000-0002-8792-5537</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1140/epjc/s10052-023-11975-0$$EPDF$$P50$$Gspringer$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://doi.org/10.1140/epjc/s10052-023-11975-0$$EHTML$$P50$$Gspringer$$Hfree_for_read</linktohtml><link.rule.ids>314,776,780,860,27903,27904,41099,41467,42168,42536,51298,51555</link.rule.ids></links><search><creatorcontrib>Ovchynnikov, Maksym</creatorcontrib><creatorcontrib>Schmidt, Michael A.</creatorcontrib><creatorcontrib>Schwetz, Thomas</creatorcontrib><title>Complementarity of B→K(∗)μμ¯ and B→K(∗)+inv for searches of GeV-scale Higgs-like scalars</title><title>The European physical journal. C, Particles and fields</title><addtitle>Eur. Phys. J. C</addtitle><description>The rare decays
B
+
→
K
+
μ
μ
¯
and
B
0
→
K
∗
0
μ
μ
¯
provide the strongest constraints on the mixing of a light scalar with the Higgs boson for GeV-scale masses. The constraints sensitively depend on the branching ratio to muons. Additional decay channels like an invisible partial width may substantially weaken the constraints. This scenario will be probed at Belle II in
B
→
K
(
∗
)
+
inv
. We illustrate the complementarity of scalar decays to muons and invisible decays using the currently available results of LHCb and BaBar. We provide two simple model realisations providing a sizeable invisible scalar width, one based on a real scalar and one based on a
U
(
1
)
B
-
L
gauge symmetry. In both examples the scalar decays into heavy neutral leptons which can be motivated by the seesaw mechanism for neutrino masses.</description><subject>Astronomy</subject><subject>Astrophysics and Cosmology</subject><subject>Elementary Particles</subject><subject>Hadrons</subject><subject>Heavy Ions</subject><subject>Higgs bosons</subject><subject>Leptons</subject><subject>Light</subject><subject>Measurement Science and Instrumentation</subject><subject>Muons</subject><subject>Neutrinos</subject><subject>Nuclear Energy</subject><subject>Nuclear Physics</subject><subject>Phenomenology</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Quantum Field Theories</subject><subject>Quantum Field Theory</subject><subject>Quarks</subject><subject>Ratios</subject><subject>Regular Article - Theoretical Physics</subject><subject>Scalars</subject><subject>String Theory</subject><subject>Symmetry</subject><issn>1434-6044</issn><issn>1434-6052</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><sourceid>C6C</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNpNkEFOwzAQRSMEEqVwBiKxASHTmcSOnSVU0CIqsQG2Vuw4JSVNgt0icQHEmg3H4AJdcYAeoichoQhYzejr_Rnped4-wgkihZ6pJ7rnEIAFBIKQIMacEdjwOkhDSqIm3_zdKd32dpybAEBAQXQ83a-mdWGmppwlNp89-1Xmn61e3q4OV6_vR8vFcvH54Sdl-i88zssnP6us70xi9b1xbWdg7ojTSWH8YT4eO1LkD8Zvg8S6XW8rSwpn9n5m17u9OL_pD8noenDZPx2RGikHwpXmUaoyoTIwEccAFSgIBVNhKgKulRFoMFOMap0hhCljgnPBUSsVgwrCrnewvlvb6nFu3ExOqrktm5cyEBHGccQYayixplxt83Js7B-FIFulslUq10plo1R-K5UQfgGN8G_x</recordid><startdate>20230901</startdate><enddate>20230901</enddate><creator>Ovchynnikov, Maksym</creator><creator>Schmidt, Michael A.</creator><creator>Schwetz, Thomas</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><scope>C6C</scope><scope>7U5</scope><scope>8FD</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>H8D</scope><scope>HCIFZ</scope><scope>L7M</scope><scope>P5Z</scope><scope>P62</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><orcidid>https://orcid.org/0000-0001-7002-5201</orcidid><orcidid>https://orcid.org/0000-0001-7091-1764</orcidid><orcidid>https://orcid.org/0000-0002-8792-5537</orcidid></search><sort><creationdate>20230901</creationdate><title>Complementarity of B→K(∗)μμ¯ and B→K(∗)+inv for searches of GeV-scale Higgs-like scalars</title><author>Ovchynnikov, Maksym ; 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C, Particles and fields</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ovchynnikov, Maksym</au><au>Schmidt, Michael A.</au><au>Schwetz, Thomas</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Complementarity of B→K(∗)μμ¯ and B→K(∗)+inv for searches of GeV-scale Higgs-like scalars</atitle><jtitle>The European physical journal. C, Particles and fields</jtitle><stitle>Eur. Phys. J. C</stitle><date>2023-09-01</date><risdate>2023</risdate><volume>83</volume><issue>9</issue><spage>791</spage><pages>791-</pages><issn>1434-6044</issn><eissn>1434-6052</eissn><abstract>The rare decays
B
+
→
K
+
μ
μ
¯
and
B
0
→
K
∗
0
μ
μ
¯
provide the strongest constraints on the mixing of a light scalar with the Higgs boson for GeV-scale masses. The constraints sensitively depend on the branching ratio to muons. Additional decay channels like an invisible partial width may substantially weaken the constraints. This scenario will be probed at Belle II in
B
→
K
(
∗
)
+
inv
. We illustrate the complementarity of scalar decays to muons and invisible decays using the currently available results of LHCb and BaBar. We provide two simple model realisations providing a sizeable invisible scalar width, one based on a real scalar and one based on a
U
(
1
)
B
-
L
gauge symmetry. In both examples the scalar decays into heavy neutral leptons which can be motivated by the seesaw mechanism for neutrino masses.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1140/epjc/s10052-023-11975-0</doi><orcidid>https://orcid.org/0000-0001-7002-5201</orcidid><orcidid>https://orcid.org/0000-0001-7091-1764</orcidid><orcidid>https://orcid.org/0000-0002-8792-5537</orcidid><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1434-6044 |
| ispartof | The European physical journal. C, Particles and fields, 2023-09, Vol.83 (9), p.791 |
| issn | 1434-6044 1434-6052 |
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| source | DOAJ Directory of Open Access Journals; SpringerLink Journals; Springer Nature OA Free Journals; EZB-FREE-00999 freely available EZB journals |
| subjects | Astronomy Astrophysics and Cosmology Elementary Particles Hadrons Heavy Ions Higgs bosons Leptons Light Measurement Science and Instrumentation Muons Neutrinos Nuclear Energy Nuclear Physics Phenomenology Physics Physics and Astronomy Quantum Field Theories Quantum Field Theory Quarks Ratios Regular Article - Theoretical Physics Scalars String Theory Symmetry |
| title | Complementarity of B→K(∗)μμ¯ and B→K(∗)+inv for searches of GeV-scale Higgs-like scalars |
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