Search Results - "Rusov, Aleksey V."
-
1
Disintegration of beauty: a precision study
Published in The journal of high energy physics (03-01-2023)“…A bstract We update the Standard Model (SM) predictions for B -meson lifetimes within the heavy quark expansion (HQE). Including for the first time the…”
Get full text
Journal Article -
2
Probing New Physics in b → d transitions
Published in The journal of high energy physics (01-07-2020)“…A bstract Recent experimental data on several observables in semileptonic B -meson decays are found to be in tension with the corresponding Standard Model…”
Get full text
Journal Article -
3
Contribution of the Darwin operator to non-leptonic decays of heavy quarks
Published in The journal of high energy physics (01-12-2020)“…A bstract We compute the Darwin operator contribution ( 1 / m b 3 correction) to the width of the inclusive non-leptonic decay of a B meson ( B + , B d or B s…”
Get full text
Journal Article -
4
ΔA CP within the Standard Model and beyond
Published in The journal of high energy physics (01-07-2019)“…In light of the recent LHCb observation of CP violation in the charm sector, we review standard model (SM) predictions in the charm sector and in particular…”
Get full text
Journal Article -
5
Revisiting inclusive decay widths of charmed mesons
Published in The journal of high energy physics (24-08-2022)“…A bstract Determining for the first time the Darwin operator contribution for the non-leptonic charm-quark decays and using new non-perturbative results for…”
Get full text
Journal Article -
6
Quark-hadron duality at work: lifetimes of bottom baryons
Published in The journal of high energy physics (01-04-2023)“…A bstract In the 1990s, very low experimental values for the lifetime ratio τ (Λ b ) /τ ( B d ) triggered a considerable amount of doubt in the applicability…”
Get full text
Journal Article -
7
Higher-twist effects in light-cone sum rule for the B→π form factor
Published in The European physical journal. C, Particles and fields (01-07-2017)“…We calculate the higher-twist corrections to the QCD light-cone sum rule for the B → π transition form factor. The light-cone expansion of the massive quark…”
Get full text
Journal Article -
8
Inclusive semitauonic B decays to order O(ΛQCD3/mb3)
Published in Nuclear physics. B (01-08-2017)“…We calculate the decay width and the τ-lepton energy distribution as well as relevant moments for inclusive B¯→Xcτν¯τ process including power corrections up to…”
Get full text
Journal Article -
9
Two body non-leptonic D0 decays from LCSR and implications for
Published in The journal of high energy physics (27-03-2024)“…A bstract Motivated by the recent measurements of CP violating effects in singly Cabibbo suppressed D 0 decays, we revisit the theoretical predictions of these…”
Get full text
Journal Article -
10
Taming new physics in b → cūd(s) with τ(B+)/τ(Bd) and asld
Published in The journal of high energy physics (01-09-2023)“…A bstract Inspired by the recently observed tensions between the experimental data and the theoretical predictions, based on QCD factorisation, for several…”
Get full text
Journal Article -
11
Higher-twist effects in light-cone sum rule for the $$B\rightarrow \pi $$ B → π form factor
Published in The European physical journal. C, Particles and fields (01-07-2017)“…Abstract We calculate the higher-twist corrections to the QCD light-cone sum rule for the $$B \rightarrow \pi $$ B → π transition form factor. The light-cone…”
Get full text
Journal Article -
12
Non-factorisable effects in the decays B¯s0→Ds+π− and B¯0→D+K− from LCSR
Published in The journal of high energy physics (30-10-2023)“…A bstract In light of the current discrepancies between the recent predictions based on QCD factorisation (QCDF) and the experimental data for several…”
Get full text
Journal Article -
13
B s → Kℓν ℓ and B (s) → π(K)ℓ + ℓ − decays at large recoil and CKM matrix elements
Published in The journal of high energy physics (01-08-2017)“…Abstract We provide hadronic input for the B-meson semileptonic transitions to a light pseudoscalar meson at large recoil. The B s → K form factor calculated…”
Get full text
Journal Article -
14
Bs → Kℓνℓ and B(s) → π(K)ℓ+ℓ− decays at large recoil and CKM matrix elements
Published in The journal of high energy physics (25-08-2017)“…A bstract We provide hadronic input for the B -meson semileptonic transitions to a light pseudoscalar meson at large recoil. The B s → K form factor calculated…”
Get full text
Journal Article -
15
Non-factorisable effects in the decays $$ {\overline{B}}_s^0\to {D}_s^{+}{\pi}^{-} $$ and $$ {\overline{B}}^0\to {D}^{+}{K}^{-} $$ from LCSR
Published in The journal of high energy physics (30-10-2023)“…A bstract In light of the current discrepancies between the recent predictions based on QCD factorisation (QCDF) and the experimental data for several…”
Get full text
Journal Article -
16
Higher-twist effects in light-cone sum rule for the [Formula omitted] form factor
Published in The European physical journal. C, Particles and fields (04-07-2017)“…We calculate the higher-twist corrections to the QCD light-cone sum rule for the [Formula omitted] transition form factor. The light-cone expansion of the…”
Get full text
Journal Article -
17
Taming new physics in b → cūd(s) with τ(B+)/τ(Bd) and $$ {a}_{sl}^d
Published in The journal of high energy physics (05-09-2023)“…A bstract Inspired by the recently observed tensions between the experimental data and the theoretical predictions, based on QCD factorisation, for several…”
Get full text
Journal Article -
18
-
19
Non-factorisable effects in the decays B ¯ s 0 → D s + π − $$ {\overline{B}}_s^0\to {D}_s^{+}{\pi}^{-} $$ and B ¯ 0 → D + K − $$ {\overline{B}}^0\to {D}^{+}{K}^{-} $$ from LCSR
Published in The journal of high energy physics (01-10-2023)“…Abstract In light of the current discrepancies between the recent predictions based on QCD factorisation (QCDF) and the experimental data for several…”
Get full text
Journal Article -
20
ΔACP within the Standard Model and beyond
Published in The journal of high energy physics (26-07-2019)“…A bstract In light of the recent LHCb observation of CP violation in the charm sector, we review standard model (SM) predictions in the charm sector and in…”
Get full text
Journal Article