{"title":"Analysis of the B(s)→T(JP=2−) transition in light cone QCD sum rules","authors":"T. M. Aliev, Y. Sarac","doi":"10.1103/physrevd.111.056028","DOIUrl":null,"url":null,"abstract":"The semileptonic B</a:mi></a:mrow>(</a:mo>s</a:mi>)</a:mo></a:mrow></a:msub>→</a:mo>T</a:mi>(</a:mo>J</a:mi></a:mrow>P</a:mi></a:mrow></a:msup>=</a:mo>2</a:mn></a:mrow>−</a:mo></a:mrow></a:msup>)</a:mo>l</a:mi></a:mrow>+</a:mo></a:mrow></a:msup>l</a:mi></a:mrow>−</a:mo></a:mrow></a:msup></a:mrow></a:math> decays induced by flavor changing neural currents are investigated within the light cone quantum chromodynamics (QCD) sum rule method in the leading order of <h:math xmlns:h=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><h:mi>O</h:mi><h:mo stretchy=\"false\">(</h:mo><h:msub><h:mi>α</h:mi><h:mi>s</h:mi></h:msub><h:mo stretchy=\"false\">)</h:mo></h:math>. We apply the <l:math xmlns:l=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><l:mi>B</l:mi></l:math> meson distribution amplitudes up to twist-4 and calculate the relevant form factors of the <n:math xmlns:n=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><n:msub><n:mi>B</n:mi><n:mrow><n:mo stretchy=\"false\">(</n:mo><n:mi>s</n:mi><n:mo stretchy=\"false\">)</n:mo></n:mrow></n:msub><n:mo stretchy=\"false\">→</n:mo><n:mi>T</n:mi></n:math> transitions, where <s:math xmlns:s=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><s:mrow><s:mi>T</s:mi><s:mo>=</s:mo><s:msub><s:mrow><s:mi>K</s:mi></s:mrow><s:mrow><s:mn>2</s:mn></s:mrow></s:msub><s:mo>,</s:mo><s:msub><s:mrow><s:mi>a</s:mi></s:mrow><s:mrow><s:mn>2</s:mn></s:mrow></s:msub><s:mo>,</s:mo><s:msub><s:mrow><s:mi>f</s:mi></s:mrow><s:mrow><s:mn>2</s:mn></s:mrow></s:msub><s:mo>,</s:mo><s:msub><s:mrow><s:mi>ϕ</s:mi></s:mrow><s:mrow><s:mn>2</s:mn></s:mrow></s:msub></s:mrow></s:math> with <u:math xmlns:u=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><u:msup><u:mi>J</u:mi><u:mi>P</u:mi></u:msup><u:mo>=</u:mo><u:msup><u:mn>2</u:mn><u:mo>−</u:mo></u:msup></u:math>. The obtained results of the form factors then adopted in the calculations of the corresponding widths. The present results can be used in future experiments for studying the properties of <w:math xmlns:w=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><w:msup><w:mi>J</w:mi><w:mi>P</w:mi></w:msup><w:mo>=</w:mo><w:msup><w:mn>2</w:mn><w:mo>−</w:mo></w:msup></w:math> tensor mesons. <jats:supplementary-material> <jats:copyright-statement>Published by the American Physical Society</jats:copyright-statement> <jats:copyright-year>2025</jats:copyright-year> </jats:permissions> </jats:supplementary-material>","PeriodicalId":20167,"journal":{"name":"Physical Review D","volume":"75 1","pages":""},"PeriodicalIF":5.0000,"publicationDate":"2025-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Physical Review D","FirstCategoryId":"101","ListUrlMain":"https://doi.org/10.1103/physrevd.111.056028","RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"Physics and Astronomy","Score":null,"Total":0}
引用次数: 0
Abstract
The semileptonic B(s)→T(JP=2−)l+l− decays induced by flavor changing neural currents are investigated within the light cone quantum chromodynamics (QCD) sum rule method in the leading order of O(αs). We apply the B meson distribution amplitudes up to twist-4 and calculate the relevant form factors of the B(s)→T transitions, where T=K2,a2,f2,ϕ2 with JP=2−. The obtained results of the form factors then adopted in the calculations of the corresponding widths. The present results can be used in future experiments for studying the properties of JP=2− tensor mesons. Published by the American Physical Society2025
期刊介绍:
Physical Review D (PRD) is a leading journal in elementary particle physics, field theory, gravitation, and cosmology and is one of the top-cited journals in high-energy physics.
PRD covers experimental and theoretical results in all aspects of particle physics, field theory, gravitation and cosmology, including:
Particle physics experiments,
Electroweak interactions,
Strong interactions,
Lattice field theories, lattice QCD,
Beyond the standard model physics,
Phenomenological aspects of field theory, general methods,
Gravity, cosmology, cosmic rays,
Astrophysics and astroparticle physics,
General relativity,
Formal aspects of field theory, field theory in curved space,
String theory, quantum gravity, gauge/gravity duality.