中文
相关论文

相关论文: Charmed and strange baryon resonances with heavy-q…

200 篇论文

We study charmed and strange baryon resonances that are generated dynamically by a unitary baryon-meson coupled-channels model which incorporates heavy-quark spin symmetry. This is accomplished by extending the SU(3) Weinberg-Tomozawa…

高能物理 - 唯象学 · 物理学 2015-06-12 Olena Romanets , Laura Tolos , Carmen Garcia-Recio , Juan Nieves , Lorenzo Luis Salcedo , Rob Timmermans

Charmed baryon resonances that are generated dynamically are studied within a unitary baryon-meson coupled-channel model, which incorporates heavy-quark spin symmetry. The extension of the SU(3) Weinberg-Tomozawa chiral Lagrangian to SU(8)…

高能物理 - 唯象学 · 物理学 2012-06-18 O. Romanets , L. Tolos , C. Garcia-Recio , J. Nieves , L. L. Salcedo , R. G. E. Timmermans

We study charmed and strange baryon resonances that are generated dynamically within a unitary meson-baryon coupled-channel model which incorporates heavy-quark spin symmetry. This is accomplished by extending the SU(3) Weinberg-Tomozawa…

高能物理 - 唯象学 · 物理学 2012-09-06 L. Tolos , C. Garcia-Recio , J. Nieves , O. Romanets , L. L. Salcedo

We study charmed baryon resonances that are generated dynamically from a coupled-channel unitary approach that implements heavy-quark symmetry. Some states can already be identified with experimental observations, such as $\Lambda_c(2595)$,…

高能物理 - 唯象学 · 物理学 2010-11-02 L. Tolos , C. Garcia-Recio , V. K. Magas , T. Mizutani , J. Nieves , A. Ramos , L. L. Salcedo

We study baryon resonances with heavy flavor in a molecular approach, thus as dynamically generated by meson-baryon scattering. This is accomplished by using a unitary coupled-channel model taking, as bare interaction, the extension to four…

高能物理 - 唯象学 · 物理学 2014-03-19 Olena Romanets , Carmen Garcia-Recio , Juan Nieves , Lorenzo Luis Salcedo , Laura Tolos

We study the properties of charmed pseudoscalar and vector mesons in dense matter within a unitary meson-baryon coupled-channel model which incorporates heavy-quark spin symmetry. This is accomplished by extending the SU(3)…

核理论 · 物理学 2015-06-11 L. Tolos , C. Garcia-Recio , J. Nieves , O. Romanets , L. L. Salcedo

We study baryon resonances with heavy flavor in a molecular approach, thus as dynamically generated by baryon-meson scattering. This is accomplished by using a unitary coupled-channel model taking, as bare interaction, the extension of the…

高能物理 - 唯象学 · 物理学 2013-04-18 O. Romanets , C. Garcia-Recio , L. L. Salcedo , J. Nieves , L. Tolos

We study charmed baryon resonances which are generated dynamically within a unitary meson-baryon coupled channel model that treats the heavy pseudoscalar and vector mesons on equal footing as required by heavy-quark symmetry. It is an…

高能物理 - 唯象学 · 物理学 2009-10-15 C. Garcia-Recio , V. K. Magas , T. Mizutani , J. Nieves , A. Ramos , L. L. Salcedo , L. Tolos

We develop a model to describe odd parity baryon resonances generated dynamically through a unitary baryon-meson coupled-channels approach. The scheme applies to channels with light and/or heavy quark content. Distinct features of the model…

高能物理 - 唯象学 · 物理学 2013-04-30 C. Garcia-Recio , J. Nieves , O. Romanets , L. L. Salcedo , L. Tolos

We study N and $\Delta$ hidden-charm baryon resonances that are generated dynamically from the s-wave interaction of pseudoscalar and vector mesons with $1/2^+$ and $3/2^+$ baryons. We use a unitary coupled-channels model that fulfills…

高能物理 - 唯象学 · 物理学 2015-06-17 Olena Romanets , Carmen Garcia-Recio , Lorenzo Luis Salcedo , Juan Nieves , Laura Tolos

We present a coupled channel unitary approach to obtain states dynamically generated from the meson baryon interaction with hidden charm, using constraints of heavy quark spin symmetry. We use as basis of states, $\bar D B$, $\bar D^* B$…

高能物理 - 唯象学 · 物理学 2013-09-18 C. W. Xiao , J. Nieves , E. Oset

We study odd-parity baryonic resonances with one heavy and three light flavors, dynamically generated by meson-baryon interactions. Special attention is paid to Heavy Quark Spin Symmetry (HQSS), hence pseudoscalar and vector mesons and…

高能物理 - 唯象学 · 物理学 2015-06-17 C. Garcia-Recio , L. L. Salcedo , D. Gamermann , J. Nieves , O. Romanets , L. Tolos

We discuss the behavior of dynamically-generated charmed baryonic resonances in matter within a unitarized coupled-channel model consistent with heavy-quark spin symmetry. We analyze the implications for the formation of $D$-meson bound…

核理论 · 物理学 2017-04-05 Laura Tolos

We use a unitary coupled-channel model to study the $\bar{D} \Lambda_c - \bar{D} \Sigma_c$ interactions. In our calculation, SU(3) flavor symmetry is applied to determine the coupling constants. Several resonant and bound states with…

高能物理 - 唯象学 · 物理学 2018-02-02 Chao-Wei Shen , Deborah Rönchen , Ulf-G. Meißner , Bing-Song Zou

The interactions of $\bar{D}^{(*)} \Lambda_c - \bar{D}^{(*)}\Sigma_c^{(*)}$ are studied within the framework of a dynamical coupled-channel approach. A series of bound states and resonances with different spin and parity are dynamically…

高能物理 - 唯象学 · 物理学 2022-06-08 Zheng-Li Wang , Chao-Wei Shen , Deborah Rönchen , Ulf-G. Meißner , Bing-Song Zou

We have studied the meson-baryon $S-$wave interaction, using coupled channels, in the isoscalar hidden-charm strange sector and $J^P = 1/2^-,3/2^-$ and $5/2^-$. We impose constraints of heavy quark spin symmetry in the interaction and…

高能物理 - 唯象学 · 物理学 2020-01-09 C. W. Xiao , J. Nieves , E. Oset

We study the dependence on the quark mass of the compositeness of the lowest-lying odd parity hyperon states. Thus, we pay attention to $\Lambda-$like states in the strange, charm and beauty, sectors which are dynamically generated using a…

高能物理 - 唯象学 · 物理学 2015-08-19 C. Garcia-Recio , C. Hidalgo-Duque , J. Nieves , L. L. Salcedo , L. Tolos

Consistent SU(6) and SU(8) spin-flavor extensions of the SU(3) flavor Weinberg-Tomozawa (WT) meson-baryon chiral Lagrangian are constructed, which incorporate vector meson degrees of freedom. In the charmless sector, the on-shell…

高能物理 - 唯象学 · 物理学 2008-11-26 J. Nieves , C. Garcia-Recio , L. L. Salcedo , V. Magas , A. Ramos , T. Mizutani , H. Toki

We study the $C=1$, $S=-2$, $I=0$ sector, where five excited $\Omega_c$ states have been recently observed by the LHCb Collaboration. We start from a recently developed unitarized baryon-meson model that takes, as bare baryon-meson…

高能物理 - 唯象学 · 物理学 2018-11-14 Laura Tolos , Rafael Pavao , Juan Nieves

We study the two-baryon system with two units of charm looking for the possible existence of a loosely bound state resembling the $H$ dibaryon. We make use of a chiral constituent quark model tuned in the description of the baryon and meson…

高能物理 - 唯象学 · 物理学 2015-08-17 T. F. Carames , A. Valcarce
‹ 上一页 1 2 3 10 下一页 ›