Search Results - "Alexander Khodjamirian"

Direct CP asymmetry in D→π−π+ and D→K−K+ in QCD-based approach by Khodjamirian, Alexander, Petrov, Alexey A.

“…We present the first QCD-based calculation of hadronic matrix elements with penguin topology determining direct CP-violating asymmetries in D0→π−π+ and D0→K−K+…”
Get full text

B-meson decay into a proton and dark antibaryon from QCD light-cone sum rules by Khodjamirian, Alexander, Wald, Marcel

“…The recently developed B-Mesogenesis scenario predicts decays of B mesons into a baryon and hypothetical dark antibaryon Ψ. We suggest a method to calculate…”
Get full text

Light-cone sum rules for B → K π form factors and applications to rare decays by Descotes-Genon, Sébastien, Khodjamirian, Alexander, Virto, Javier

“…A bstract We derive a set of light-cone sum rules relating the hadronic form factors relevant for B  →  Kπℓ + ℓ − decays to the B -meson light-cone…”
Get full text

B →ππ form factors from light-cone sum rules with B-meson distribution amplitudes by Cheng, Shan, Khodjamirian, Alexander, Virto, Javier

“…A bstract We study B → ππ form factors using QCD light-cone sum rules with B -meson distribution amplitudes. These form factors describe the semileptonic decay…”
Get full text

The D∗Dπ and B∗Bπ couplings from light-cone sum rules by Khodjamirian, Alexander, Melić, Blaženka, Wang, Yu-Ming, Wei, Yan-Bing

“…A bstract We revisit the calculation of the strong couplings D ∗ Dπ and B ∗ Bπ from the QCD light-cone sum rules using the pion light-cone distribution…”
Get full text

Inverse moment of the B s -meson distribution amplitude from QCD sum rule by Alexander Khodjamirian, Rusa Mandal, Thomas Mannel

“…Abstract We derive a QCD sum rule for the inverse moment of the B s -meson light-cone distribution amplitude in HQET. Within this method, the SU(3) f l…”
Get full text

B → D1(2420) and B → D1′(2430) form factors from QCD light-cone sum rules by Gubernari, Nico, Khodjamirian, Alexander, Mandal, Rusa, Mannel, Thomas

“…A bstract We perform the first calculation of form factors in the semileptonic decays B → D 1 (2420) ℓν ℓ and B → D 1 ′ (2430) ℓν ℓ using QCD light-cone sum…”
Get full text

Light-cone sum rules for S-wave B → Kπ form factors by Descotes-Genon, Sébastien, Khodjamirian, Alexander, Virto, Javier, Vos, K. Keri

“…A bstract We derive a set of light-cone sum rules relating the S -wave B → Kπ hadronic form factors to the B -meson light-cone distribution amplitudes (LCDAs),…”
Get full text

A guide to the QCD light-cone sum rules for b-quark decays by Khodjamirian, Alexander, Melić, Blaženka, Wang, Yu-Ming

“…We overview the current status and future perspectives of the QCD-based method of light-cone sum rules. The two main versions of these sum rules, using…”
Get full text

B s → Kℓν ℓ and B (s) → π(K)ℓ + ℓ − decays at large recoil and CKM matrix elements by Khodjamirian, Alexander, Rusov, Aleksey V.

“…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

Form factors in B¯0→π+π0ℓν¯ℓ from QCD light-cone sum rules by Hambrock, Christian, Khodjamirian, Alexander

“…The form factors of the semileptonic B→ππℓν¯ decay are calculated from QCD light-cone sum rules with the distribution amplitudes of dipion states. This method…”
Get full text

Bs → Kℓνℓ and B(s) → π(K)ℓ+ℓ− decays at large recoil and CKM matrix elements by Khodjamirian, Alexander, Rusov, Aleksey V.

“…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

meson decay into a proton and dark antibaryon from QCD light-cone sum rules by Khodjamirian, Alexander, Wald, Marcel

Get full text

Inverse moment of the Bs-meson distribution amplitude from QCD sum rule by Khodjamirian, Alexander, Mandal, Rusa, Mannel, Thomas

“…A bstract We derive a QCD sum rule for the inverse moment of the B s -meson light-cone distribution amplitude in HQET. Within this method, the SU(3) f l…”
Get full text

Quark-flavor symmetries and their violation in quantum chromodynamics by Khodjamirian, Alexander

“…In Quantum Chromodynamics, the hadrons consisting of light ( u , d , s ) and heavy ( c , b ) quarks are subject to approximate flavor symmetries, providing the…”
Get full text

B→D0∗ and Bs→Ds0∗ form factors from QCD light-cone sum rules by Gubernari, Nico, Khodjamirian, Alexander, Mandal, Rusa, Mannel, Thomas

“…A bstract We present the first application of QCD light-cone sum rules (LCSRs) with B ( s ) -meson distribution amplitudes to the B s → D s 0 ∗ form factors,…”
Get full text

Hadronic effects and observables in B → π ℓ + ℓ − decay at large recoil by Hambrock, Christian, Khodjamirian, Alexander, Rusov, Aleksey

Get full text

B\to {D}_0^{\ast } $$ and $$ {B}_s\to {D}_{s0}^{\ast } $$ form factors from QCD light-cone sum rules by Gubernari, Nico, Khodjamirian, Alexander, Mandal, Rusa, Mannel, Thomas

“…A bstract We present the first application of QCD light-cone sum rules (LCSRs) with B ( s ) -meson distribution amplitudes to the $$ {B}_{(s)}\to…”
Get full text

Form factors in B ¯ 0 → π + π 0 ℓ ν ¯ ℓ from QCD light-cone sum rules by Hambrock, Christian, Khodjamirian, Alexander

Get full text

Extrapolation and unitarity bounds for the B → π form factor by Imsong, I. Sentitemsu, Khodjamirian, Alexander, Mannel, Thomas, van Dyk, Danny

“…A bstract We address the problem of extrapolating the vector form factor f Bπ + , which is relevant to B → πℓν ℓ decays, from the region of small to the region…”
Get full text