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The improved light-cone distribution amplitudes (LCDAs) of the $\Lambda$ baryon are examined on the basis of the QCD conformal partial wave expansion approach. The calculations are carried out to the next-to-leading order of conformal spin…

High Energy Physics - Phenomenology · Physics 2014-09-16 Yong-Lu Liu , Chun-Yu Cui , Ming-Qiu Huang

Based on QCD conformal partial wave expansion to leading order conformal spin accuracy, we present the light-cone distribution amplitudes (DAs) of $\Sigma$ and $\Lambda$ baryons up to twist 6. It is concluded that fourteen ndependent DAs…

High Energy Physics - Phenomenology · Physics 2009-03-24 Yong-Lu Liu , Ming-Qiu Huang

We present the light-cone distribution amplitudes of the Xi baryons up to twist six on the basis of QCD conformal partial wave expansion to the leading order conformal spin accuracy. The nonperturbative parameters relevant to the DAs are…

High Energy Physics - Phenomenology · Physics 2009-09-25 Yong-Lu Liu , Ming-Qiu Huang

Momentum distributions of quarks/gluons inside a light baryon in a hard exclusive process are encoded in the light-cone distribution amplitudes (LCDAs). In this work, we point out that the leading twist LCDAs of a light baryon can be…

High Energy Physics - Phenomenology · Physics 2023-08-09 Zhi-Fu Deng , Chao Han , Wei Wang , Jun Zeng , Jia-Lu Zhang

We provide the definition of the complete set of light-cone distribution amplitudes (LCDAs) for the ground state heavy bottom baryons with the spin-parities J^P = 1/2^+ and J^P = 3/2^+ in the heavy quark limit. We present the…

High Energy Physics - Phenomenology · Physics 2015-06-12 A. Ali , C. Hambrock , A. Ya. Parkhomenko , Wei Wang

The light-cone distribution amplitudes (LCDAs) serve as important non-perturbative inputs for the study of hard exclusive processes. In this paper, we calculate ten LCDAs at twist-2 for the S-wave and P-wave $B_c$ mesons up to the…

High Energy Physics - Phenomenology · Physics 2016-08-24 Ji Xu , Deshan Yang

We investigate the leading twist light-cone distribution amplitudes (LCDAs) of vector meson in the framework of large momentum effective theory. We derive the matching equation for the LCDAs and quasi distribution amplitudes. The matching…

High Energy Physics - Phenomenology · Physics 2018-07-04 Ji Xu , Qi-An Zhang , Shuai Zhao

We present the study of the semileptonic decay \Lambda_c to \Lambda\ell^+\nu by using the light-cone sum rule approach. Distribution amplitudes (DAs) for the \Lambda baryon are discussed to the leading order conformal spin, and QCD sum rule…

High Energy Physics - Phenomenology · Physics 2007-05-23 Ming-Qiu Huang , Dao-Wei Wang

Leading twist light cone distribution amplitudes (LCDAs) are key ingredients in calculating various hadronic amplitudes using light cone QCD sum rules. This work concentrates on calculating the leading twist LCDAs of P-wave heavy quarkonia.…

High Energy Physics - Phenomenology · Physics 2017-08-02 M. A. Olpak , A. Ozpineci , V. Tanriverdi

We investigate the twist-3 light-cone distribution amplitudes (LCDAs) of the scalar mesons $a_0$, $K^{\ast}_0$ and $f_0$ within the QCD sum rules. The QCD sum rules are improved by a consistent treatment of the sizable $s$-quark mass…

High Energy Physics - Phenomenology · Physics 2013-08-13 Hua-Yong Han , Xing-Gang Wu , Hai-Bing Fu , Qiong-Lian Zhang , Tao Zhong

We present a systematic study of twist-3 light-cone distribution amplitudes of vector mesons in QCD, which is based on conformal expansion. A complete set of distribution amplitudes is constructed for \rho, \omega, K^* and \phi mesons,…

High Energy Physics - Phenomenology · Physics 2009-10-31 Kazuhiro Tanaka

We present a study of light-cone distribution amplitudes of the light $1^1P_1$ mesons. The first few Gegenbauer moments of leading twist light-cone distribution amplitudes are calculated by using the QCD sum rule technique.

High Energy Physics - Phenomenology · Physics 2009-11-11 Kwei-Chou Yang

We present a systematic study of twist three light-cone distribution amplitudes of vector mesons in QCD, which is based on conformal expansion and takes into account meson and quark mass corrections. A complete set of distribution…

High Energy Physics - Phenomenology · Physics 2010-01-07 Patricia Ball , V. M. Braun , Y. Koike , K. Tanaka

We present a comprehensive investigation of leading-twist lightcone distribution amplitudes (LCDAs) and quasi distribution amplitudes (quasi-DAs) for light octet and decuplet baryons within large momentum effective theory. In LaMET, LCDAs…

High Energy Physics - Phenomenology · Physics 2024-07-08 Chao Han , Wei Wang , Jun Zeng , Jia-Lu Zhang

The Light-Cone Distribution Amplitude (LCDA) encodes the non-perturbative information of the leading Fock component of the hadron wave function, therefore required for processes including exclusive hadron production. As the…

High Energy Physics - Lattice · Physics 2024-01-17 Daniel Kovner , Joe Karpie , Konstantinos Orginos , Anatoly Radyushkin , Savvas Zafeiropoulos

We investigate the purely non-factorizable $\Lambda_{c}^{+}\to\Xi^{0}K^{+}$ decay using light-cone sum rules. To extract the decay amplitudes, a three-point correlation function is defined and calculated at hadron and quark-gluon level,…

High Energy Physics - Phenomenology · Physics 2024-07-16 Yu-Ji Shi , Zhen-Xing Zhao

Light-cone distribution amplitudes (LCDAs) frequently arise in factorization theorems involving light and heavy mesons. The QCD LCDA for heavy mesons includes short-distance physics at energy scales of the heavy-quark mass. In this paper we…

High Energy Physics - Phenomenology · Physics 2023-05-12 Martin Beneke , Gael Finauri , K. Keri Vos , Yanbing Wei

We calculate the leading-twist light-cone distribution amplitudes of the light $\Lambda$ baryon using lattice methods within the framework of large momentum effective theory. Our numerical computations are conducted employing $N_f=2+1$…

High Energy Physics - Lattice · Physics 2025-02-24 Min-Huan Chu , Haoyang Bai , Jun Hua , Jian Liang , Xiangdong Ji , Andreas Schafer , Yushan Su , Wei Wang , Yi-Bo Yang , Jun Zeng , Jian-Hui Zhang , Qi-An Zhang

In this paper, a study of light-cone distribution amplitudes for p-wave heavy quarkonium states are presented. Within the light-front framework, the leading twist light-cone distribution amplitudes, and their relevant decay constants, have…

High Energy Physics - Phenomenology · Physics 2009-11-05 Chien-Wen Hwang

We present results of the first ab initio lattice QCD calculation of the normalization constants and first moments of the leading twist distribution amplitudes of the full baryon octet, corresponding to the small transverse distance limit…

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