English
Related papers

Related papers: Baryon semileptonic decays: the Mexican contributi…

200 papers

We calculate the radiative corrections to the angular correlation between the polarization of the decaying and the direction of the emitted spin one-half baryons in the semileptonic decay mode. The final results are presented, first, with…

High Energy Physics - Phenomenology · Physics 2014-11-17 J. J. Torres , Ruben Flores-Mendieta , M. Neri , A. Martinez , A. Garcia

We calculate the radiative corrections to the angular correlation between the polarization of the decaying baryon and the direction of the emitted charged lepton in the semileptonic decays of spin one-half baryons to order…

High Energy Physics - Phenomenology · Physics 2014-11-18 M. Neri , A. Martinez , Ruben Flores-Mendieta , J. J. Torres , A. Garcia

We have calculated the radiative corrections to the Dalitz plot of baryon semileptonic decays with angular correlation between polarized emitted baryons and charged leptons. This work covers both charged and neutral decaying baryons and is…

High Energy Physics - Phenomenology · Physics 2009-01-09 M. Neri , J. J. Torres , Ruben Flores-Mendieta , A. Martinez , A. Garcia

An expression for the Dalitz plot of the semileptonic decay of a charged kaon, including radiative corrections to order O[\alpha \pi)(q/M_1)], where q is the four-momentum transfer and M_1 is the mass of the decaying kaon, is obtained.…

High Energy Physics - Phenomenology · Physics 2020-04-14 M. J. Sanchez-Glez , A. Martinez , C. Juarez-Leon , M. Neri , J. J. Torres , Ruben Flores-Mendieta

Analytical radiative corrections of order (\alpha/\pi)(q/M_1) are calculated for the four-body region of the Dalitz plot of baryon semileptonic decays when the s_1 \cdot p_2 correlation is present. Once the final result is available, it is…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. J. Torres , M. Neri , A. Martinez , A. Garcia , Ruben Flores-Mendieta

We propose and discuss a numerical use of our previous precision results for the radiative corrections to unpolarized spin one-half baryon semileptonic decays, which is not compromised to fixing the form factors at prescribed values. We…

High Energy Physics - Phenomenology · Physics 2009-11-10 Ruben Flores-Mendieta , J. J. Torres , M. Neri , A. Martinez , A. Garcia

We obtain a model-independent expression for the complete Dalitz plot of semileptonic decays of polarized hyperons, which includes both the three-body and the four-body regions. We calculate radiative corrections to order alpha, neglecting…

High Energy Physics - Phenomenology · Physics 2014-11-17 Ruben Flores-Mendieta , A. Garcia , A. Martinez , J. J. Torres

Analytical radiative corrections of order (alpha/pi)(q/M) are calculated for the four-body region of the Dalitz plot of baryon semileptonic decays when the s1.l correlation is present. Once the final result is available, it is possible to…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Neri , A. Martinez , A. Garcia , J. J. Torres , Ruben Flores-Mendieta

We obtain a model-independent expression for the Dalitz plot of semileptonic decays of polarized hyperons including radiative corrections to order alpha and neglecting terms of order (alpha q)/(pi M_1), where q is the four-momentum transfer…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Martinez , J. J. Torres , R. Flores-Mendieta , A. Garcia

We show that the radiative corrections containing terms up to order $\alpha q / \pi M_1$ for unpolarized semileptonic decays of baryons with positron emission can be obtained by simply reversing the sign of the axial-vector form factors in…

High Energy Physics - Phenomenology · Physics 2015-03-25 A. Martinez , D. M. Tun , A. Garcia , G. Sanchez-Colon

We complement the results for the radiative corrections to the s2.l angular correlation of baryon semileptonic decays of Ref. [1] with the final results in the rest frame of the decaying baryon.

High Energy Physics - Phenomenology · Physics 2009-03-24 C. Juarez-Leon , A. Martinez , M. Neri , J. J. Torres , Ruben Flores-Mendieta , A. Garcia

A modular representation for the semileptonic decays of baryons originating from spin polarized and correlated baryon-antibaryon pairs is derived. The complete spin information of the decaying baryon is propagated to the daughter baryon via…

High Energy Physics - Phenomenology · Physics 2023-07-31 Varvara Batozskaya , Andrzej Kupsc , Nora Salone , Jakub Wiechnik

A model-independent expression for the Dalitz plot of the semileptonic decays of a neutral kaon $K_{\mu 3}^0$, including radiative corrections to order $\mathcal{O}[(\alpha / \pi )(q/M_1)]$, where $q$ is the four-momentum transfer and $M_1$…

High Energy Physics - Phenomenology · Physics 2023-11-10 J. Vieyra , A. Martínez , M. Neri , A. Hernández-Galeana

Very accurate analytical expressions for the radiative corrections of unpolarized hyperons semileptonic decays of charged and neutral baryons have been obtained in the recent past. Some of these formulas contain logarithmic singularities at…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. R. Juarez W. , F. Guzman A.

A model-independent expression for the Dalitz plot of semileptonic decays of neutral kaons, K_{l3}^0, including radiative corrections to order (\alpha/\pi)(q/M_1), where q is the momentum transfer and M_1 is the mass of the kaon, is…

High Energy Physics - Phenomenology · Physics 2015-10-05 M. Neri , A. Martinez , C. Juarez-Leon , J. J. Torres , Ruben Flores-Mendieta

The four-body contribution of the model-independent radiative corrections to the Dalitz plot of the semileptonic decays of neutral kaons are computed to order (\alpha/\pi)(q/M_1), where q is the momentum transfer and M_1 is the kaon mass.…

High Energy Physics - Phenomenology · Physics 2016-10-12 M. Neri , A. Martinez , C. Juarez-Leon , J. J. Torres , Ruben Flores-Mendieta

In semileptonic decays of spin-1/2 baryons containing heavy quarks up to six charge assignments for the baryons and lepton are possible. We show that the radiative corrections to four of these possibilities can be directly obtained from the…

High Energy Physics - Phenomenology · Physics 2009-11-07 A. Martinez , J. J. Torres , A. Garcia , Ruben Flores-Mendieta

Dalitz decay of baryon resonances is studied and expressions for the decay width are derived for resonances with arbitrary spin and parity. Contributions of the various terms in the transition matrix element are compared and relevance of…

Nuclear Theory · Physics 2009-11-07 M. Zetenyi , Gy. Wolf

Motivated by recent experimental progress in studying weak decays of the $\Lambda_c$ baryon we investigate its semileptonic decays in the framework of the relativistic quark model based on the quasipotential approach with the QCD-motivated…

High Energy Physics - Phenomenology · Physics 2016-11-22 R. N. Faustov , V. O. Galkin

We calculate the radiative corrections to the Dalitz plot of K_{l3}^\pm decays to order (alpha/pi)(q/M_1), where q is the momentum transfer and M_1 is the mass of the kaon. We restrict the analysis to the so-called four-body region, which…

High Energy Physics - Phenomenology · Physics 2014-03-11 J. J. Torres , A. Martinez , M. Neri , C. Juarez-Leon , Ruben Flores-Mendieta
‹ Prev 1 2 3 10 Next ›