The QED nonfactorizable correction to the semileptonic charmed three-body B decays

Abstract In this paper, the nonfactorizable photonic corrections to the effective four-fermion vertex for the $$\overline{B}$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mover> <mml:mi>B</mml:mi> <mml:mo>¯</mml:mo> </mml:mover> </mml:math> $${\rightarrow }$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mo>→</mml:mo> </mml:math> $$D^{({*})}$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msup> <mml:mi>D</mml:mi> <mml:mrow> <mml:mo>(</mml:mo> <mml:mrow> <mml:mrow/> <mml:mo>∗</mml:mo> </mml:mrow> <mml:mo>)</mml:mo> </mml:mrow> </mml:msup> </mml:math> $$+$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mo>+</mml:mo> </mml:math> $${\ell }^{-}$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msup> <mml:mrow> <mml:mi>ℓ</mml:mi> </mml:mrow> <mml:mo>-</mml:mo> </mml:msup> </mml:math> $$+$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mo>+</mml:mo> </mml:math> $$\bar{\nu }_{\ell }$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msub> <mml:mover> <mml:mrow> <mml:mi>ν</mml:mi> </mml:mrow> <mml:mrow> <mml:mo>¯</mml:mo> </mml:mrow> </mml:mover> <mml:mi>ℓ</mml:mi> </mml:msub> </mml:math> decays are considered at the quark level within SM, where $${\ell }$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mi>ℓ</mml:mi> </mml:math> $$=$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mo>=</mml:mo> </mml:math> e , $${\mu }$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mi>μ</mml:mi> </mml:math> and $${\tau }$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mi>τ</mml:mi> </mml:math> . It is found that the QED corrections are closely related with the mass of the charged lepton. The QED contributions will enhance branching ratios, which results in the slight reduction of ratios $$R(D^{(*)})$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:mi>R</mml:mi> <mml:mo>(</mml:mo> <mml:mmultiscripts> <mml:mi>D</mml:mi> <mml:mrow/> <mml:mrow> <mml:mo>(</mml:mo> <mml:mrow/> <mml:mo>∗</mml:mo> <mml:mo>)</mml:mo> </mml:mrow> </mml:mmultiscripts> <mml:mo>)</mml:mo> </mml:mrow> </mml:math> and the relationship $$R(D^{(*)})_{e}$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:mi>R</mml:mi> <mml:mmultiscripts> <mml:mrow> <mml:mo>(</mml:mo> <mml:mmultiscripts> <mml:mi>D</mml:mi> <mml:mrow/> <mml:mrow> <mml:mo>(</mml:mo> <mml:mrow/> <mml:mo>∗</mml:mo> <mml:mo>)</mml:mo> </mml:mrow> </mml:mmultiscripts> <mml:mo>)</mml:mo> </mml:mrow> <mml:mi>e</mml:mi> <mml:mrow/> </mml:mmultiscripts> </mml:mrow> </mml:math> &lt; $$R(D^{(*)})_{\mu }$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:mi>R</mml:mi> <mml:mmultiscripts> <mml:mrow> <mml:mo>(</mml:mo> <mml:mmultiscripts> <mml:mi>D</mml:mi> <mml:mrow/> <mml:mrow> <mml:mo>(</mml:mo> <mml:mrow/> <mml:mo>∗</mml:mo> <mml:mo>)</mml:mo> </mml:mrow> </mml:mmultiscripts> <mml:mo>)</mml:mo> </mml:mrow> <mml:mi>μ</mml:mi> <mml:mrow/> </mml:mmultiscripts> </mml:mrow> </mml:math> .

Authors

Institutions

Publication Details

Journal
The European Physical Journal C
Published
2024-12-10
DOI
https://doi.org/10.1140/epjc/s10052-024-13647-z
Citations
1
Primary Topic
Particle physics theoretical and experimental studies
Type
article
Field-Weighted Citation Impact
0.66

Funders

Controls
|||
ALL TIME
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
article

The QED nonfactorizable correction to the semileptonic charmed three-body B decays

Qin Chang, Jiazhi Li, Yueling Yang, J. F. Sun et al.
1 citations
The European Physical Journal C
Particle physics theoretical and experimental studies
0.66
article

The QED nonfactorizable correction to the semileptonic charmed three-body B decays

Qin Chang, Jiazhi Li, Yueling Yang, J. F. Sun, Liting Wang
article en
1 citations

Abstract

Abstract In this paper, the nonfactorizable photonic corrections to the effective four-fermion vertex for the $$\overline{B}$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mover> <mml:mi>B</mml:mi> <mml:mo>¯</mml:mo> </mml:mover> </mml:math> $${\rightarrow }$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mo>→</mml:mo> </mml:math> $$D^{({*})}$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msup> <mml:mi>D</mml:mi> <mml:mrow> <mml:mo>(</mml:mo> <mml:mrow> <mml:mrow/> <mml:mo>∗</mml:mo> </mml:mrow> <mml:mo>)</mml:mo> </mml:mrow> </mml:msup> </mml:math> $$+$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mo>+</mml:mo> </mml:math> $${\ell }^{-}$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msup> <mml:mrow> <mml:mi>ℓ</mml:mi> </mml:mrow> <mml:mo>-</mml:mo> </mml:msup> </mml:math> $$+$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mo>+</mml:mo> </mml:math> $$\bar{\nu }_{\ell }$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msub> <mml:mover> <mml:mrow> <mml:mi>ν</mml:mi> </mml:mrow> <mml:mrow> <mml:mo>¯</mml:mo> </mml:mrow> </mml:mover> <mml:mi>ℓ</mml:mi> </mml:msub> </mml:math> decays are considered at the quark level within SM, where $${\ell }$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mi>ℓ</mml:mi> </mml:math> $$=$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mo>=</mml:mo> </mml:math> e , $${\mu }$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mi>μ</mml:mi> </mml:math> and $${\tau }$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mi>τ</mml:mi> </mml:math> . It is found that the QED corrections are closely related with the mass of the charged lepton. The QED contributions will enhance branching ratios, which results in the slight reduction of ratios $$R(D^{(*)})$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:mi>R</mml:mi> <mml:mo>(</mml:mo> <mml:mmultiscripts> <mml:mi>D</mml:mi> <mml:mrow/> <mml:mrow> <mml:mo>(</mml:mo> <mml:mrow/> <mml:mo>∗</mml:mo> <mml:mo>)</mml:mo> </mml:mrow> </mml:mmultiscripts> <mml:mo>)</mml:mo> </mml:mrow> </mml:math> and the relationship $$R(D^{(*)})_{e}$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:mi>R</mml:mi> <mml:mmultiscripts> <mml:mrow> <mml:mo>(</mml:mo> <mml:mmultiscripts> <mml:mi>D</mml:mi> <mml:mrow/> <mml:mrow> <mml:mo>(</mml:mo> <mml:mrow/> <mml:mo>∗</mml:mo> <mml:mo>)</mml:mo> </mml:mrow> </mml:mmultiscripts> <mml:mo>)</mml:mo> </mml:mrow> <mml:mi>e</mml:mi> <mml:mrow/> </mml:mmultiscripts> </mml:mrow> </mml:math> &lt; $$R(D^{(*)})_{\mu }$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:mi>R</mml:mi> <mml:mmultiscripts> <mml:mrow> <mml:mo>(</mml:mo> <mml:mmultiscripts> <mml:mi>D</mml:mi> <mml:mrow/> <mml:mrow> <mml:mo>(</mml:mo> <mml:mrow/> <mml:mo>∗</mml:mo> <mml:mo>)</mml:mo> </mml:mrow> </mml:mmultiscripts> <mml:mo>)</mml:mo> </mml:mrow> <mml:mi>μ</mml:mi> <mml:mrow/> </mml:mmultiscripts> </mml:mrow> </mml:math> .

The European Physical Journal CVol. 84(12)
Henan Normal University (CN)
Henan Normal University, National Natural Science Foundation of China, Central China Normal University, Natural Science Foundation of Henan Province, Hangzhou Normal University, Institute of High Energy Physics, National Key Research and Development Program of China
Openalex Percentile: Top 14%
Particle physics theoretical and experimental studies
0.66
AI Navigator

Ask Laika to Summarize, Analyze, and Connect papers live on the map.

Summarize Papers & Methodologies

Extract key findings, datasets, and comparative methods across publications.

Benchmark Rankings & Visual Analytics

Rank top research institutions, authors, funders, topics, and journals by Field-Weighted Citation Impact (FWCI) and paper volume with instant charts.

Connect Distant Disciplines

Bridge topological clusters on the map to find hidden collaborative intersections.