Confirming U(1)Lμ-Lτ as a solution for (g-2)μ with neutrinos
The recent measurement of the muon anomalous magnetic moment by the Fermilab E989 experiment, when combined with the previous result at BNL, has confirmed the tension with the SM prediction at 4.2 σ CL, strengthening the motivation for new physics in the leptonic sector. Among the different particl...
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| creator | Amaral, D. W. P. Cerdeño, D. G. Cheek, A. Foldenauer, P. |
| description | The recent measurement of the muon anomalous magnetic moment by the Fermilab E989 experiment, when combined with the previous result at BNL, has confirmed the tension with the SM prediction at
4.2
σ
CL, strengthening the motivation for new physics in the leptonic sector. Among the different particle physics models that could account for such an excess, a gauged
U
(
1
)
L
μ
-
L
τ
stands out for its simplicity. In this article, we explore how the combination of data from different future probes can help identify the nature of the new physics behind the muon anomalous magnetic moment. In particular, we contrast
U
(
1
)
L
μ
-
L
τ
with an effective
U
(
1
)
L
μ
-type model. We first show that muon fixed target experiments (such as NA64
μ
) will be able to measure the coupling of the hidden photon to the muon sector in the region compatible with
(
g
-
2
)
μ
, and will have some sensitivity to the hidden photon’s mass. We then study how experiments looking for coherent elastic neutrino-nucleus scattering (CE
ν
NS) at spallation sources will provide crucial additional information on the kinetic mixing of the hidden photon. When combined with NA64
μ
results, the exclusion limits (or reconstructed regions) of future CE
ν
NS detectors will also allow for a better measurement of the mediator mass. Finally, the observation of nuclear recoils from solar neutrinos in dark matter direct detection experiments will provide unique information about the coupling of the hidden photon to the tau sector. The signal expected for
U
(
1
)
L
μ
-
L
τ
is larger than for
U
(
1
)
L
μ
with the same kinetic mixing, and future multi-ton liquid xenon proposals (such as DARWIN) have the potential to confirm the former over the latter. We determine the necessary exposure and energy threshold for a potential
5
σ
discovery of a
U
(
1
)
L
μ
-
L
τ
boson, and we conclude that the future DARWIN observatory will be able to carry out this measurement if the experimental threshold is lowered to
1
keV
nr
. |
| doi_str_mv | 10.1140/epjc/s10052-021-09670-z |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_sprin</sourceid><recordid>TN_cdi_proquest_journals_2578267595</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>2578267595</sourcerecordid><originalsourceid>FETCH-LOGICAL-p147z-711ec886a34201bec0200c3702165638e048c662d094ee47b5f0e67dbb0e72dc3</originalsourceid><addsrcrecordid>eNpFkMtKw0AUhgdRsFafwQE37WLsmcncshIJ3iDgxq6HXCYxoWZiJkHo2sfqM9RXMjWiq3M4fJz_50PoksI1pRxWtq2zlacAghFglEAoFZDtEZpRHnAix_vx3875KTrzvgYAxkHP0E3kmqLq3qqmxOsFXcb7HYm_PnHicYK92wx95RpcuA4vSsKW-x3-qPpX3Nih76rG-XN0UiQbby9-5xyt7-9eokcSPz88RbcxaSlXW6IotZnWMgk4A5raDBhAFqixsBQy0Ba4zqRkOYTcWq5SUYCVKk9TsIrlWTBHV9PftnPvg_W9qd3QNWOkYUJpJpUIxUjpifLt2K603T9FwRx0mYMuM-kyY7r50WW2wTfPy17o</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>2578267595</pqid></control><display><type>article</type><title>Confirming U(1)Lμ-Lτ as a solution for (g-2)μ with neutrinos</title><source>SpringerLink Journals (MCLS)</source><source>DOAJ Directory of Open Access Journals</source><source>EZB-FREE-00999 freely available EZB journals</source><source>Springer Nature OA Free Journals</source><creator>Amaral, D. W. P. ; Cerdeño, D. G. ; Cheek, A. ; Foldenauer, P.</creator><creatorcontrib>Amaral, D. W. P. ; Cerdeño, D. G. ; Cheek, A. ; Foldenauer, P.</creatorcontrib><description>The recent measurement of the muon anomalous magnetic moment by the Fermilab E989 experiment, when combined with the previous result at BNL, has confirmed the tension with the SM prediction at
4.2
σ
CL, strengthening the motivation for new physics in the leptonic sector. Among the different particle physics models that could account for such an excess, a gauged
U
(
1
)
L
μ
-
L
τ
stands out for its simplicity. In this article, we explore how the combination of data from different future probes can help identify the nature of the new physics behind the muon anomalous magnetic moment. In particular, we contrast
U
(
1
)
L
μ
-
L
τ
with an effective
U
(
1
)
L
μ
-type model. We first show that muon fixed target experiments (such as NA64
μ
) will be able to measure the coupling of the hidden photon to the muon sector in the region compatible with
(
g
-
2
)
μ
, and will have some sensitivity to the hidden photon’s mass. We then study how experiments looking for coherent elastic neutrino-nucleus scattering (CE
ν
NS) at spallation sources will provide crucial additional information on the kinetic mixing of the hidden photon. When combined with NA64
μ
results, the exclusion limits (or reconstructed regions) of future CE
ν
NS detectors will also allow for a better measurement of the mediator mass. Finally, the observation of nuclear recoils from solar neutrinos in dark matter direct detection experiments will provide unique information about the coupling of the hidden photon to the tau sector. The signal expected for
U
(
1
)
L
μ
-
L
τ
is larger than for
U
(
1
)
L
μ
with the same kinetic mixing, and future multi-ton liquid xenon proposals (such as DARWIN) have the potential to confirm the former over the latter. We determine the necessary exposure and energy threshold for a potential
5
σ
discovery of a
U
(
1
)
L
μ
-
L
τ
boson, and we conclude that the future DARWIN observatory will be able to carry out this measurement if the experimental threshold is lowered to
1
keV
nr
.</description><identifier>ISSN: 1434-6044</identifier><identifier>EISSN: 1434-6052</identifier><identifier>DOI: 10.1140/epjc/s10052-021-09670-z</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Astronomy ; Astrophysics and Cosmology ; Coherent scattering ; Coupling ; Dark matter ; Elastic scattering ; Elementary Particles ; Experiments ; Hadrons ; Heavy Ions ; Magnetic moments ; Measurement Science and Instrumentation ; Muons ; Nuclear Energy ; Nuclear Physics ; Particle physics ; Photons ; Physics ; Physics and Astronomy ; Quantum Field Theories ; Quantum Field Theory ; Regular Article – Theoretical Physics ; Solar neutrinos ; Spallation ; String Theory ; Xenon</subject><ispartof>The European physical journal. C, Particles and fields, 2021-10, Vol.81 (10)</ispartof><rights>The Author(s) 2021</rights><rights>The Author(s) 2021. 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><orcidid>0000-0002-1414-932X ; 0000-0003-4334-4228 ; 0000-0002-7649-1956 ; 0000-0002-8773-831X</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/s10052-021-09670-z$$EPDF$$P50$$Gspringer$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://doi.org/10.1140/epjc/s10052-021-09670-z$$EHTML$$P50$$Gspringer$$Hfree_for_read</linktohtml><link.rule.ids>314,776,780,860,27901,27902,41096,41464,42165,42533,51294,51551</link.rule.ids></links><search><creatorcontrib>Amaral, D. W. P.</creatorcontrib><creatorcontrib>Cerdeño, D. G.</creatorcontrib><creatorcontrib>Cheek, A.</creatorcontrib><creatorcontrib>Foldenauer, P.</creatorcontrib><title>Confirming U(1)Lμ-Lτ as a solution for (g-2)μ with neutrinos</title><title>The European physical journal. C, Particles and fields</title><addtitle>Eur. Phys. J. C</addtitle><description>The recent measurement of the muon anomalous magnetic moment by the Fermilab E989 experiment, when combined with the previous result at BNL, has confirmed the tension with the SM prediction at
4.2
σ
CL, strengthening the motivation for new physics in the leptonic sector. Among the different particle physics models that could account for such an excess, a gauged
U
(
1
)
L
μ
-
L
τ
stands out for its simplicity. In this article, we explore how the combination of data from different future probes can help identify the nature of the new physics behind the muon anomalous magnetic moment. In particular, we contrast
U
(
1
)
L
μ
-
L
τ
with an effective
U
(
1
)
L
μ
-type model. We first show that muon fixed target experiments (such as NA64
μ
) will be able to measure the coupling of the hidden photon to the muon sector in the region compatible with
(
g
-
2
)
μ
, and will have some sensitivity to the hidden photon’s mass. We then study how experiments looking for coherent elastic neutrino-nucleus scattering (CE
ν
NS) at spallation sources will provide crucial additional information on the kinetic mixing of the hidden photon. When combined with NA64
μ
results, the exclusion limits (or reconstructed regions) of future CE
ν
NS detectors will also allow for a better measurement of the mediator mass. Finally, the observation of nuclear recoils from solar neutrinos in dark matter direct detection experiments will provide unique information about the coupling of the hidden photon to the tau sector. The signal expected for
U
(
1
)
L
μ
-
L
τ
is larger than for
U
(
1
)
L
μ
with the same kinetic mixing, and future multi-ton liquid xenon proposals (such as DARWIN) have the potential to confirm the former over the latter. We determine the necessary exposure and energy threshold for a potential
5
σ
discovery of a
U
(
1
)
L
μ
-
L
τ
boson, and we conclude that the future DARWIN observatory will be able to carry out this measurement if the experimental threshold is lowered to
1
keV
nr
.</description><subject>Astronomy</subject><subject>Astrophysics and Cosmology</subject><subject>Coherent scattering</subject><subject>Coupling</subject><subject>Dark matter</subject><subject>Elastic scattering</subject><subject>Elementary Particles</subject><subject>Experiments</subject><subject>Hadrons</subject><subject>Heavy Ions</subject><subject>Magnetic moments</subject><subject>Measurement Science and Instrumentation</subject><subject>Muons</subject><subject>Nuclear Energy</subject><subject>Nuclear Physics</subject><subject>Particle physics</subject><subject>Photons</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Quantum Field Theories</subject><subject>Quantum Field Theory</subject><subject>Regular Article – Theoretical Physics</subject><subject>Solar neutrinos</subject><subject>Spallation</subject><subject>String Theory</subject><subject>Xenon</subject><issn>1434-6044</issn><issn>1434-6052</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>C6C</sourceid><sourceid>BENPR</sourceid><recordid>eNpFkMtKw0AUhgdRsFafwQE37WLsmcncshIJ3iDgxq6HXCYxoWZiJkHo2sfqM9RXMjWiq3M4fJz_50PoksI1pRxWtq2zlacAghFglEAoFZDtEZpRHnAix_vx3875KTrzvgYAxkHP0E3kmqLq3qqmxOsFXcb7HYm_PnHicYK92wx95RpcuA4vSsKW-x3-qPpX3Nih76rG-XN0UiQbby9-5xyt7-9eokcSPz88RbcxaSlXW6IotZnWMgk4A5raDBhAFqixsBQy0Ba4zqRkOYTcWq5SUYCVKk9TsIrlWTBHV9PftnPvg_W9qd3QNWOkYUJpJpUIxUjpifLt2K603T9FwRx0mYMuM-kyY7r50WW2wTfPy17o</recordid><startdate>20211001</startdate><enddate>20211001</enddate><creator>Amaral, D. W. P.</creator><creator>Cerdeño, D. G.</creator><creator>Cheek, A.</creator><creator>Foldenauer, P.</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/0000-0002-1414-932X</orcidid><orcidid>https://orcid.org/0000-0003-4334-4228</orcidid><orcidid>https://orcid.org/0000-0002-7649-1956</orcidid><orcidid>https://orcid.org/0000-0002-8773-831X</orcidid></search><sort><creationdate>20211001</creationdate><title>Confirming U(1)Lμ-Lτ as a solution for (g-2)μ with neutrinos</title><author>Amaral, D. W. P. ; Cerdeño, D. G. ; Cheek, A. ; Foldenauer, P.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p147z-711ec886a34201bec0200c3702165638e048c662d094ee47b5f0e67dbb0e72dc3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Astronomy</topic><topic>Astrophysics and Cosmology</topic><topic>Coherent scattering</topic><topic>Coupling</topic><topic>Dark matter</topic><topic>Elastic scattering</topic><topic>Elementary Particles</topic><topic>Experiments</topic><topic>Hadrons</topic><topic>Heavy Ions</topic><topic>Magnetic moments</topic><topic>Measurement Science and Instrumentation</topic><topic>Muons</topic><topic>Nuclear Energy</topic><topic>Nuclear Physics</topic><topic>Particle physics</topic><topic>Photons</topic><topic>Physics</topic><topic>Physics and Astronomy</topic><topic>Quantum Field Theories</topic><topic>Quantum Field Theory</topic><topic>Regular Article – Theoretical Physics</topic><topic>Solar neutrinos</topic><topic>Spallation</topic><topic>String Theory</topic><topic>Xenon</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Amaral, D. W. P.</creatorcontrib><creatorcontrib>Cerdeño, D. 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C, Particles and fields</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Amaral, D. W. P.</au><au>Cerdeño, D. G.</au><au>Cheek, A.</au><au>Foldenauer, P.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Confirming U(1)Lμ-Lτ as a solution for (g-2)μ with neutrinos</atitle><jtitle>The European physical journal. C, Particles and fields</jtitle><stitle>Eur. Phys. J. C</stitle><date>2021-10-01</date><risdate>2021</risdate><volume>81</volume><issue>10</issue><issn>1434-6044</issn><eissn>1434-6052</eissn><abstract>The recent measurement of the muon anomalous magnetic moment by the Fermilab E989 experiment, when combined with the previous result at BNL, has confirmed the tension with the SM prediction at
4.2
σ
CL, strengthening the motivation for new physics in the leptonic sector. Among the different particle physics models that could account for such an excess, a gauged
U
(
1
)
L
μ
-
L
τ
stands out for its simplicity. In this article, we explore how the combination of data from different future probes can help identify the nature of the new physics behind the muon anomalous magnetic moment. In particular, we contrast
U
(
1
)
L
μ
-
L
τ
with an effective
U
(
1
)
L
μ
-type model. We first show that muon fixed target experiments (such as NA64
μ
) will be able to measure the coupling of the hidden photon to the muon sector in the region compatible with
(
g
-
2
)
μ
, and will have some sensitivity to the hidden photon’s mass. We then study how experiments looking for coherent elastic neutrino-nucleus scattering (CE
ν
NS) at spallation sources will provide crucial additional information on the kinetic mixing of the hidden photon. When combined with NA64
μ
results, the exclusion limits (or reconstructed regions) of future CE
ν
NS detectors will also allow for a better measurement of the mediator mass. Finally, the observation of nuclear recoils from solar neutrinos in dark matter direct detection experiments will provide unique information about the coupling of the hidden photon to the tau sector. The signal expected for
U
(
1
)
L
μ
-
L
τ
is larger than for
U
(
1
)
L
μ
with the same kinetic mixing, and future multi-ton liquid xenon proposals (such as DARWIN) have the potential to confirm the former over the latter. We determine the necessary exposure and energy threshold for a potential
5
σ
discovery of a
U
(
1
)
L
μ
-
L
τ
boson, and we conclude that the future DARWIN observatory will be able to carry out this measurement if the experimental threshold is lowered to
1
keV
nr
.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1140/epjc/s10052-021-09670-z</doi><orcidid>https://orcid.org/0000-0002-1414-932X</orcidid><orcidid>https://orcid.org/0000-0003-4334-4228</orcidid><orcidid>https://orcid.org/0000-0002-7649-1956</orcidid><orcidid>https://orcid.org/0000-0002-8773-831X</orcidid><oa>free_for_read</oa></addata></record> |
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| source | SpringerLink Journals (MCLS); DOAJ Directory of Open Access Journals; EZB-FREE-00999 freely available EZB journals; Springer Nature OA Free Journals |
| subjects | Astronomy Astrophysics and Cosmology Coherent scattering Coupling Dark matter Elastic scattering Elementary Particles Experiments Hadrons Heavy Ions Magnetic moments Measurement Science and Instrumentation Muons Nuclear Energy Nuclear Physics Particle physics Photons Physics Physics and Astronomy Quantum Field Theories Quantum Field Theory Regular Article – Theoretical Physics Solar neutrinos Spallation String Theory Xenon |
| title | Confirming U(1)Lμ-Lτ as a solution for (g-2)μ with neutrinos |
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