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New physics contributions to moments of inclusive b → c semileptonic decays
A bstract Inclusive semileptonic B → X c ℓ ν ¯ ℓ decays, where ℓ = μ, e , are by now standard candles in the determination of the CKM element | V cb |. These determinations rely on the heavy-quark expansion and use moments of decay spectra to extract the non-perturbative parameters directly from dat...
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| Published in: | The journal of high energy physics 2023-02, Vol.2023 (2), p.86-29, Article 86 |
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| Main Authors: | , , |
| Format: | Article |
| Language: | English |
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| cited_by | cdi_FETCH-LOGICAL-c481t-79a0b9784d646618d11290dbd33a854d5660736da745d3ae93afbce6b1f754963 |
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| cites | cdi_FETCH-LOGICAL-c481t-79a0b9784d646618d11290dbd33a854d5660736da745d3ae93afbce6b1f754963 |
| container_end_page | 29 |
| container_issue | 2 |
| container_start_page | 86 |
| container_title | The journal of high energy physics |
| container_volume | 2023 |
| creator | Fael, Matteo Rahimi, Muslem Vos, K. Keri |
| description | A
bstract
Inclusive semileptonic
B →
X
c
ℓ
ν
¯
ℓ
decays, where
ℓ
=
μ, e
, are by now standard candles in the determination of the CKM element |
V
cb
|. These determinations rely on the heavy-quark expansion and use moments of decay spectra to extract the non-perturbative parameters directly from data under the standard model assumption.
At the same time, new physics could influence the moments of the inclusive decay. In this paper, we compute power-corrections and next-to-leading order corrections in the strong coupling constant using the full basis of dimension-six new physics operators for the inclusive
B →
X
c
ℓ
ν
¯
decay. We provide predictions for lepton energy, hadronic and leptonic invariant mass moments, and perform a phenomenological study to show the possible impact of new physics. Our results could be used to perform a global fit including new physics contributions. |
| doi_str_mv | 10.1007/JHEP02(2023)086 |
| format | article |
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bstract
Inclusive semileptonic
B →
X
c
ℓ
ν
¯
ℓ
decays, where
ℓ
=
μ, e
, are by now standard candles in the determination of the CKM element |
V
cb
|. These determinations rely on the heavy-quark expansion and use moments of decay spectra to extract the non-perturbative parameters directly from data under the standard model assumption.
At the same time, new physics could influence the moments of the inclusive decay. In this paper, we compute power-corrections and next-to-leading order corrections in the strong coupling constant using the full basis of dimension-six new physics operators for the inclusive
B →
X
c
ℓ
ν
¯
decay. We provide predictions for lepton energy, hadronic and leptonic invariant mass moments, and perform a phenomenological study to show the possible impact of new physics. Our results could be used to perform a global fit including new physics contributions.</description><identifier>ISSN: 1029-8479</identifier><identifier>EISSN: 1029-8479</identifier><identifier>DOI: 10.1007/JHEP02(2023)086</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Approximation ; Bottom Quarks ; Classical and Quantum Gravitation ; Decay ; Elementary Particles ; High energy physics ; Leptons ; Other Weak Scale BSM Models ; Particle physics ; Physics ; Physics and Astronomy ; Quantum Field Theories ; Quantum Field Theory ; Quantum Physics ; Quarks ; Regular Article - Theoretical Physics ; Relativity Theory ; Semi-Leptonic Decays ; String Theory</subject><ispartof>The journal of high energy physics, 2023-02, Vol.2023 (2), p.86-29, Article 86</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><citedby>FETCH-LOGICAL-c481t-79a0b9784d646618d11290dbd33a854d5660736da745d3ae93afbce6b1f754963</citedby><cites>FETCH-LOGICAL-c481t-79a0b9784d646618d11290dbd33a854d5660736da745d3ae93afbce6b1f754963</cites><orcidid>0000-0002-4541-9636 ; 0000-0001-8297-3188 ; 0000-0002-4258-4062</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.proquest.com/docview/2784119180/fulltextPDF?pq-origsite=primo$$EPDF$$P50$$Gproquest$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.proquest.com/docview/2784119180?pq-origsite=primo$$EHTML$$P50$$Gproquest$$Hfree_for_read</linktohtml><link.rule.ids>314,780,784,25753,27924,27925,37012,44590,75126</link.rule.ids></links><search><creatorcontrib>Fael, Matteo</creatorcontrib><creatorcontrib>Rahimi, Muslem</creatorcontrib><creatorcontrib>Vos, K. Keri</creatorcontrib><title>New physics contributions to moments of inclusive b → c semileptonic decays</title><title>The journal of high energy physics</title><addtitle>J. High Energ. Phys</addtitle><description>A
bstract
Inclusive semileptonic
B →
X
c
ℓ
ν
¯
ℓ
decays, where
ℓ
=
μ, e
, are by now standard candles in the determination of the CKM element |
V
cb
|. These determinations rely on the heavy-quark expansion and use moments of decay spectra to extract the non-perturbative parameters directly from data under the standard model assumption.
At the same time, new physics could influence the moments of the inclusive decay. In this paper, we compute power-corrections and next-to-leading order corrections in the strong coupling constant using the full basis of dimension-six new physics operators for the inclusive
B →
X
c
ℓ
ν
¯
decay. We provide predictions for lepton energy, hadronic and leptonic invariant mass moments, and perform a phenomenological study to show the possible impact of new physics. Our results could be used to perform a global fit including new physics contributions.</description><subject>Approximation</subject><subject>Bottom Quarks</subject><subject>Classical and Quantum Gravitation</subject><subject>Decay</subject><subject>Elementary Particles</subject><subject>High energy physics</subject><subject>Leptons</subject><subject>Other Weak Scale BSM Models</subject><subject>Particle physics</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Quantum Field Theories</subject><subject>Quantum Field Theory</subject><subject>Quantum Physics</subject><subject>Quarks</subject><subject>Regular Article - Theoretical Physics</subject><subject>Relativity Theory</subject><subject>Semi-Leptonic Decays</subject><subject>String Theory</subject><issn>1029-8479</issn><issn>1029-8479</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><sourceid>PIMPY</sourceid><sourceid>DOA</sourceid><recordid>eNp9kc1O3DAUhSPUSqWUdbeWuqGLYe6NHf8sKwTMIGi7KGvLsR3wKBNP7QQ0L8AD8Ig8CRlSFTbtylfWdz4d6RTFZ4RjBBDzi8XpTyiPSijpV5B8r9hHKNVMMqHevbk_FB9zXgFghQr2i6vv_p5sbrc52Exs7PoU6qEPscukj2Qd177rM4kNCZ1thxzuPKnJ08MjsST7dWj9po9dsMR5a7b5U_G-MW32h3_eg-L67PTXyWJ2-eN8efLtcmaZxH4mlIFaCckcZ5yjdIilAlc7So2smKs4B0G5M4JVjhqvqGlq63mNjaiY4vSgWE5eF81Kb1JYm7TV0QT98hHTjTapD7b1WjnXgDVCokdW19SMUmc5kxRl5RocXV8m1ybF34PPvV7FIXVjfV2OFREVSvg_JZgoS87ESM0nyqaYc_LN324IereSnlbSu5X0uNKYgCmRR7K78enV-6_IMyI0k0s</recordid><startdate>20230208</startdate><enddate>20230208</enddate><creator>Fael, Matteo</creator><creator>Rahimi, Muslem</creator><creator>Vos, K. Keri</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><general>SpringerOpen</general><scope>C6C</scope><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>PRINS</scope><scope>DOA</scope><orcidid>https://orcid.org/0000-0002-4541-9636</orcidid><orcidid>https://orcid.org/0000-0001-8297-3188</orcidid><orcidid>https://orcid.org/0000-0002-4258-4062</orcidid></search><sort><creationdate>20230208</creationdate><title>New physics contributions to moments of inclusive b → c semileptonic decays</title><author>Fael, Matteo ; Rahimi, Muslem ; Vos, K. Keri</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c481t-79a0b9784d646618d11290dbd33a854d5660736da745d3ae93afbce6b1f754963</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Approximation</topic><topic>Bottom Quarks</topic><topic>Classical and Quantum Gravitation</topic><topic>Decay</topic><topic>Elementary Particles</topic><topic>High energy physics</topic><topic>Leptons</topic><topic>Other Weak Scale BSM Models</topic><topic>Particle physics</topic><topic>Physics</topic><topic>Physics and Astronomy</topic><topic>Quantum Field Theories</topic><topic>Quantum Field Theory</topic><topic>Quantum Physics</topic><topic>Quarks</topic><topic>Regular Article - Theoretical Physics</topic><topic>Relativity Theory</topic><topic>Semi-Leptonic Decays</topic><topic>String Theory</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Fael, Matteo</creatorcontrib><creatorcontrib>Rahimi, Muslem</creatorcontrib><creatorcontrib>Vos, K. Keri</creatorcontrib><collection>Springer Nature OA Free Journals</collection><collection>CrossRef</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Central (Alumni)</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</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>ProQuest advanced technologies & aerospace journals</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>ProQuest Central China</collection><collection>DOAJ Directory of Open Access Journals</collection><jtitle>The journal of high energy physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Fael, Matteo</au><au>Rahimi, Muslem</au><au>Vos, K. Keri</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>New physics contributions to moments of inclusive b → c semileptonic decays</atitle><jtitle>The journal of high energy physics</jtitle><stitle>J. High Energ. Phys</stitle><date>2023-02-08</date><risdate>2023</risdate><volume>2023</volume><issue>2</issue><spage>86</spage><epage>29</epage><pages>86-29</pages><artnum>86</artnum><issn>1029-8479</issn><eissn>1029-8479</eissn><abstract>A
bstract
Inclusive semileptonic
B →
X
c
ℓ
ν
¯
ℓ
decays, where
ℓ
=
μ, e
, are by now standard candles in the determination of the CKM element |
V
cb
|. These determinations rely on the heavy-quark expansion and use moments of decay spectra to extract the non-perturbative parameters directly from data under the standard model assumption.
At the same time, new physics could influence the moments of the inclusive decay. In this paper, we compute power-corrections and next-to-leading order corrections in the strong coupling constant using the full basis of dimension-six new physics operators for the inclusive
B →
X
c
ℓ
ν
¯
decay. We provide predictions for lepton energy, hadronic and leptonic invariant mass moments, and perform a phenomenological study to show the possible impact of new physics. Our results could be used to perform a global fit including new physics contributions.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/JHEP02(2023)086</doi><tpages>29</tpages><orcidid>https://orcid.org/0000-0002-4541-9636</orcidid><orcidid>https://orcid.org/0000-0001-8297-3188</orcidid><orcidid>https://orcid.org/0000-0002-4258-4062</orcidid><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1029-8479 |
| ispartof | The journal of high energy physics, 2023-02, Vol.2023 (2), p.86-29, Article 86 |
| issn | 1029-8479 1029-8479 |
| language | eng |
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| source | Publicly Available Content Database; Springer Nature - SpringerLink Journals - Fully Open Access |
| subjects | Approximation Bottom Quarks Classical and Quantum Gravitation Decay Elementary Particles High energy physics Leptons Other Weak Scale BSM Models Particle physics Physics Physics and Astronomy Quantum Field Theories Quantum Field Theory Quantum Physics Quarks Regular Article - Theoretical Physics Relativity Theory Semi-Leptonic Decays String Theory |
| title | New physics contributions to moments of inclusive b → c semileptonic decays |
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