Nonresonant leptoquark with multigeneration couplings for μμjj and μνjj at the LHC
- Autores
- Alvarez, Ezequiel; Szewc, Manuel
- Año de publicación
- 2019
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- CMS has recently reported [A. M. Sirunyan (CMS Collaboration), Search for pair production of second-generation leptoquarks at s=13 TeV, Phys. Rev. D 99, 032014 (2019).] a moderate excess in the μνjj final state in a second-generation leptoquark search, but they have disregarded it because the excess is not present in the μμjj final state and because they do not observe the expected resonant peak in the distributions. As a proof of concept, we show that a simple leptoquark model including second- and third-generation couplings with non-negligible single- and nonresonant production in addition to usual pair production could explain the data - excess (μνjj), lack of excess (μμjj), and missing peak in the distributions - while being in agreement with collider constraints. We take this result and analysis as a starting point of a reconsideration of the ATLAS and CMS second-generation leptoquark searches. We also discuss which consequences and modifications should be performed in the searches to test if this deviation would correspond to a new physics signal. We observe that low-energy flavor constraints can be avoided by adding heavier particles to the model.
Fil: Alvarez, Ezequiel. Universidad Nacional de San Martín. Escuela de Ciencia y Tecnología. Centro Internacional de Estudios Avanzados; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Szewc, Manuel. Universidad Nacional de San Martín. Escuela de Ciencia y Tecnología. Centro Internacional de Estudios Avanzados; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina - Materia
-
LEPTOQUARK
LHC
MUON
B-PHYSICS - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by/2.5/ar/
- Repositorio
.jpg)
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/128994
Ver los metadatos del registro completo
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Nonresonant leptoquark with multigeneration couplings for μμjj and μνjj at the LHCAlvarez, EzequielSzewc, ManuelLEPTOQUARKLHCMUONB-PHYSICShttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1CMS has recently reported [A. M. Sirunyan (CMS Collaboration), Search for pair production of second-generation leptoquarks at s=13 TeV, Phys. Rev. D 99, 032014 (2019).] a moderate excess in the μνjj final state in a second-generation leptoquark search, but they have disregarded it because the excess is not present in the μμjj final state and because they do not observe the expected resonant peak in the distributions. As a proof of concept, we show that a simple leptoquark model including second- and third-generation couplings with non-negligible single- and nonresonant production in addition to usual pair production could explain the data - excess (μνjj), lack of excess (μμjj), and missing peak in the distributions - while being in agreement with collider constraints. We take this result and analysis as a starting point of a reconsideration of the ATLAS and CMS second-generation leptoquark searches. We also discuss which consequences and modifications should be performed in the searches to test if this deviation would correspond to a new physics signal. We observe that low-energy flavor constraints can be avoided by adding heavier particles to the model.Fil: Alvarez, Ezequiel. Universidad Nacional de San Martín. Escuela de Ciencia y Tecnología. Centro Internacional de Estudios Avanzados; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Szewc, Manuel. Universidad Nacional de San Martín. Escuela de Ciencia y Tecnología. Centro Internacional de Estudios Avanzados; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaAmerican Physical Society2019-05info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/128994Alvarez, Ezequiel; Szewc, Manuel; Nonresonant leptoquark with multigeneration couplings for μμjj and μνjj at the LHC; American Physical Society; Physical Review D: Particles, Fields, Gravitation and Cosmology; 99; 095004; 5-2019; 1-152470-00102470-0029CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://link.aps.org/doi/10.1103/PhysRevD.99.095004info:eu-repo/semantics/altIdentifier/doi/10.1103/PhysRevD.99.095004info:eu-repo/semantics/altIdentifier/url/https://arxiv.org/abs/1811.05944info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-15T14:55:49Zoai:ri.conicet.gov.ar:11336/128994instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-10-15 14:55:49.995CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
| dc.title.none.fl_str_mv |
Nonresonant leptoquark with multigeneration couplings for μμjj and μνjj at the LHC |
| title |
Nonresonant leptoquark with multigeneration couplings for μμjj and μνjj at the LHC |
| spellingShingle |
Nonresonant leptoquark with multigeneration couplings for μμjj and μνjj at the LHC Alvarez, Ezequiel LEPTOQUARK LHC MUON B-PHYSICS |
| title_short |
Nonresonant leptoquark with multigeneration couplings for μμjj and μνjj at the LHC |
| title_full |
Nonresonant leptoquark with multigeneration couplings for μμjj and μνjj at the LHC |
| title_fullStr |
Nonresonant leptoquark with multigeneration couplings for μμjj and μνjj at the LHC |
| title_full_unstemmed |
Nonresonant leptoquark with multigeneration couplings for μμjj and μνjj at the LHC |
| title_sort |
Nonresonant leptoquark with multigeneration couplings for μμjj and μνjj at the LHC |
| dc.creator.none.fl_str_mv |
Alvarez, Ezequiel Szewc, Manuel |
| author |
Alvarez, Ezequiel |
| author_facet |
Alvarez, Ezequiel Szewc, Manuel |
| author_role |
author |
| author2 |
Szewc, Manuel |
| author2_role |
author |
| dc.subject.none.fl_str_mv |
LEPTOQUARK LHC MUON B-PHYSICS |
| topic |
LEPTOQUARK LHC MUON B-PHYSICS |
| purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.3 https://purl.org/becyt/ford/1 |
| dc.description.none.fl_txt_mv |
CMS has recently reported [A. M. Sirunyan (CMS Collaboration), Search for pair production of second-generation leptoquarks at s=13 TeV, Phys. Rev. D 99, 032014 (2019).] a moderate excess in the μνjj final state in a second-generation leptoquark search, but they have disregarded it because the excess is not present in the μμjj final state and because they do not observe the expected resonant peak in the distributions. As a proof of concept, we show that a simple leptoquark model including second- and third-generation couplings with non-negligible single- and nonresonant production in addition to usual pair production could explain the data - excess (μνjj), lack of excess (μμjj), and missing peak in the distributions - while being in agreement with collider constraints. We take this result and analysis as a starting point of a reconsideration of the ATLAS and CMS second-generation leptoquark searches. We also discuss which consequences and modifications should be performed in the searches to test if this deviation would correspond to a new physics signal. We observe that low-energy flavor constraints can be avoided by adding heavier particles to the model. Fil: Alvarez, Ezequiel. Universidad Nacional de San Martín. Escuela de Ciencia y Tecnología. Centro Internacional de Estudios Avanzados; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Szewc, Manuel. Universidad Nacional de San Martín. Escuela de Ciencia y Tecnología. Centro Internacional de Estudios Avanzados; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina |
| description |
CMS has recently reported [A. M. Sirunyan (CMS Collaboration), Search for pair production of second-generation leptoquarks at s=13 TeV, Phys. Rev. D 99, 032014 (2019).] a moderate excess in the μνjj final state in a second-generation leptoquark search, but they have disregarded it because the excess is not present in the μμjj final state and because they do not observe the expected resonant peak in the distributions. As a proof of concept, we show that a simple leptoquark model including second- and third-generation couplings with non-negligible single- and nonresonant production in addition to usual pair production could explain the data - excess (μνjj), lack of excess (μμjj), and missing peak in the distributions - while being in agreement with collider constraints. We take this result and analysis as a starting point of a reconsideration of the ATLAS and CMS second-generation leptoquark searches. We also discuss which consequences and modifications should be performed in the searches to test if this deviation would correspond to a new physics signal. We observe that low-energy flavor constraints can be avoided by adding heavier particles to the model. |
| publishDate |
2019 |
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2019-05 |
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info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
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article |
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publishedVersion |
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http://hdl.handle.net/11336/128994 Alvarez, Ezequiel; Szewc, Manuel; Nonresonant leptoquark with multigeneration couplings for μμjj and μνjj at the LHC; American Physical Society; Physical Review D: Particles, Fields, Gravitation and Cosmology; 99; 095004; 5-2019; 1-15 2470-0010 2470-0029 CONICET Digital CONICET |
| url |
http://hdl.handle.net/11336/128994 |
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Alvarez, Ezequiel; Szewc, Manuel; Nonresonant leptoquark with multigeneration couplings for μμjj and μνjj at the LHC; American Physical Society; Physical Review D: Particles, Fields, Gravitation and Cosmology; 99; 095004; 5-2019; 1-15 2470-0010 2470-0029 CONICET Digital CONICET |
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