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Dive into the research topics where M. Savci is active.

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Featured researches published by M. Savci.


Physical Review D | 1997

Rare B{r_arrow}K{sup *}l{sup +}l{sup {minus}} decay in light cone QCD

T. Aliev; M. Savci; A. Ozpineci

We investigate the transition form factors for the B{r_arrow}K{sup *}l{sup +}l{sup {minus}} (l={mu},{tau}) decay in light cone QCD. It is found that the light cone and three-point QCD sum rule analyses for some of the form factors for the decay B{r_arrow}K{sup *}l{sup +}l{sup {minus}} lead to absolutely different q{sup 2} dependence. The invariant dilepton mass distributions for the B{r_arrow}K{sup *}{mu}{sup +}{mu}{sup {minus}} and B{r_arrow}K{sup *}{tau}{sup +}{tau}{sup {minus}} decays and final lepton longitudinal polarization asymmetry, which includes both short- and long-distance contributions, are also calculated. {copyright} {ital 1997} {ital The American Physical Society}


Nuclear Physics | 2001

General analysis of lepton polarizations in rare B→K∗ℓ+ℓ− decay beyond the standard model

Takhmasib Aliev; M.K. Cakmak; M. Savci

Abstract The general analysis of lepton polarization asymmetries in rare B→K ∗ l + l − decay is investigated. Using the most general, model independent effective Hamiltonian, the general expressions of the longitudinal, normal and transversal polarization asymmetries for l− and l+ and combinations of them are presented. The dependence of lepton polarizations and their combinations on new Wilson coefficients are studied in detail. Our analysis shows that the lepton polarization asymmetries are very sensitive to the scalar and tensor type interactions, which will be very useful in looking for new physics beyond the standard model.


Physical Review D | 2001

New physics effects to the lepton polarizations in the B ---> K lepton+ lepton- decay

Takhmasib Aliev; A. Ozpineci; M.K. Cakmak; M. Savci

Using the general, model independent form of the effective Hamiltonian, the general expressions of the longitudinal, normal, and transversal polarization asymmetries for


Physics Letters B | 2000

Lepton polarization and CP-violating effects in B→K∗τ+τ− decay in standard and two Higgs doublet models

T. Aliev; M. Savci

{l}^{\ensuremath{-}}


Journal of High Energy Physics | 2004

Polarized lepton pair forward-backward asymmetries in B→K*ℓ+ℓ− decay beyond the standard model

Takhmasib Aliev; V. Bashiry; M. Savci

and


Physics Letters B | 2001

Exclusive B→K∗ℓ+ℓ− decay with polarized K∗ and new physics effects

T. Aliev; A. Ozpineci; M. Savci

{l}^{+}


Physical Review D | 2000

Probing the sources of CP violation via B → K * l + l − decay

Takhmasib Aliev; Durmus A. Demir; M. Savci

and combinations of them for the exclusive


Nuclear Physics | 2003

Exclusive Λb→Λℓ+ℓ− decay beyond standard model

T. Aliev; A. Ozpineci; M. Savci

\stackrel{\ensuremath{\rightarrow}}{B}{\mathrm{Kl}}^{+}{l}^{\ensuremath{-}}


Journal of High Energy Physics | 2006

Polarization effects in exclusive semileptonic Λb→Λℓ+ℓ− decay

Takhmasib Aliev; M. Savci

decay are found. The sensitivity of lepton polarizations and their combinations on new Wilson coefficients are studied. It is found that there exist regions of Wilson coefficients for which the branching ratio coincides with the standard model result while the lepton polarizations differ substantially from the standard model prediction. Hence, studying lepton polarization in these regions of new Wilson coefficients can serve as a promising tool for establishing new physics beyond the standard model.


Nuclear Physics | 2012

Doubly heavy spin-1/2 baryon spectrum in QCD

Takhmasib Aliev; Kazem Azizi; M. Savci

Abstract The most general model independent expressions for the CP-violating asymmetry, longitudinal, transversal and normal polarizations of leptons are derived. Application of these general results to the concrete models such as Standard model and three different types of two Higgs doublet model is discussed.

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Takhmasib Aliev

Middle East Technical University

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T. Aliev

Middle East Technical University

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A. Ozpineci

Middle East Technical University

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V. Bashiry

Cyprus International University

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Altug Ozpineci

Middle East Technical University

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Abdul Ebrahim

Middle East Technical University

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