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The energies and widths of several D^0 meson bound states for different nuclei are obtained using a D-meson selfenergy in the nuclear medium, which is evaluated in a selfconsistent manner using techniques of unitarized coupled-channel…

Nuclear Theory · Physics 2014-11-20 C. Garcia-Recio , J. Nieves , L. Tolos

Identifying a zero-range exchange of vector mesons as the driving force for the s-wave scattering of pseudo-scalar mesons off the baryon ground states, a rich spectrum of hadronic nuclei is formed. We argue that chiral symmetry and…

High Energy Physics - Phenomenology · Physics 2010-12-16 M. F. M. Lutz , J. Hofmann

The properties of strange and charm mesons in nuclear matter and nuclei are reviewed. Different frameworks are presented and discussed paying a special attention to unitarized coupled-channel approaches. Possible experimental signatures of…

We apply a unitary approach together with a set of hidden-gauge Lagrangians to study the vector-vector interaction. We study the case of the $\rho$($\omega$)$D^*$ interaction within the model. In $I=1/2$ we get strong enough attraction to…

High Energy Physics - Phenomenology · Physics 2015-05-18 R. Molina , H. Nagahiro , A. Hosaka , E. Oset

We have recently studied coupled channel interactions of vector and pseudoscalar mesons with octet baryons having total strangeness null and spin-parity $1/2^-$. We, thus, considered $\pi N$, $\eta N$, $K \Lambda$, $K \Sigma$, $\rho N$,…

Nuclear Theory · Physics 2015-06-17 K. P. Khemchandani , A. Martínez Torres , H. Nagahiro , A. Hosaka

Identifying a zero-range exchange of vector mesons as the driving force for the s-wave scattering of pseudo-scalar mesons off the baryon ground states, a rich spectrum of molecules is formed. We argue that chiral symmetry and large-$N_c$…

High Energy Physics - Phenomenology · Physics 2017-08-23 M. F. M. Lutz , J. Hofmann

In this talk I summarize recent findings made on the description of axial vector mesons as dynamically generated states from the interaction of peseudoscalar mesons and vector mesons, dedicating some attention to the two $K_1(1270)$ states.…

The effects of the exchanges of both pseudoscalar and vector mesons among constituent quarks on the mass spectra of light baryons are investigated, paying particular attention to the contribution of tensor and spin-orbit terms. It is shown…

High Energy Physics - Phenomenology · Physics 2007-05-23 F. Cardarelli , S. Simula

We have studied the interaction of vectors mesons within the hidden gauge formalism and applied it to the particular case of the $\rho \rho$ interaction. We find a strong attraction in the isospin, spin channels I,S=0,0 and 0,2, which is…

High Energy Physics - Phenomenology · Physics 2008-12-30 R. Molina , D. Nicmorus , E. Oset

We have studied the $\gamma p \to K^0 \Sigma^+$ reaction in the energy region around the $K^* \Lambda$ and $K^* \Sigma$ thresholds, where the CBELSA/TAPS cross section shows a sudden drop and the differential cross section experiences a…

Nuclear Theory · Physics 2015-06-15 A. Ramos , E. Oset

In this presentation we discuss the generation of hadrons with an exotic quark content and hidden charm emerging from three-body interactions. To be more specific, we have studied the $KD\bar{D}^*/K\bar D D^*$ and $ND\bar{D}^*/N\bar{D}D^*$…

High Energy Physics - Phenomenology · Physics 2022-04-05 Brenda B. Malabarba , A. M. Torres , K. P. Khemchandani , Xiu-Lei Ren , Li-Sheng Geng

In view of the renewing experimental interest for searching strangeness $+1$ baryons at J-PARC, we study the existence of light baryon resonances with strangeness +1 generated in the $K$-$(N^*/\Delta^*)$ system, where $N^*$ represents…

High Energy Physics - Phenomenology · Physics 2025-01-15 Brenda B. Malabarba , K. P. Khemchandani , A. Martinez Torres , Seung-il Nam

Is it possible to detect a new weakly-coupled force at the QCD scale that interacts primarily with quarks? This work investigates experimental signatures of a new MeV - GeV gauge boson that couples to baryon number, with attention to the…

High Energy Physics - Phenomenology · Physics 2014-06-11 Sean Tulin

We present a comparative study of the charmed baryon$-$nucleon interaction based on different theoretical approaches. For this purpose, we make use of i) a constituent quark model tuned in the light-flavor baryon$-$baryon interaction and…

High Energy Physics - Phenomenology · Physics 2019-07-17 H. Garcilazo , A. Valcarce , T. F. Carames

This article reviews the current status of experimental results obtained in the measurement of light vector mesons produced in proton-proton and heavy ion collisions at different energies. The review is focused on two phenomena related to…

Nuclear Experiment · Physics 2009-07-22 Alexander Milov

Identifying a zero-range exchange of vector mesons as the driving force for the s-wave scattering of pseudo-scalar mesons off the baryon ground states, a rich spectrum of molecules is formed. We argue that chiral symmetry and large-$N_c$…

Nuclear Theory · Physics 2007-05-23 Julian Hofmann , Matthias F. M. Lutz

We study the properties of open-charm mesons ($D$ and $\bar {D}$) in nuclear matter at finite temperature within a self-consistent coupled-channel approach. The meson-baryon interactions are adopted from a type of broken SU(4) s-wave…

Nuclear Theory · Physics 2008-11-26 Laura Tolos , Angels Ramos , Tetsuro Mizutani

We evaluate the s-wave interaction of pseudoscalar and vector mesons with both charm and beauty to investigate the possible existence of molecular $BD$, $B^*D$, $BD^*$, $B^*D^*$, $B\bar D$, $B^*\bar D$, $B\bar D^*$ or $B^* \bar D^*$ meson…

High Energy Physics - Phenomenology · Physics 2017-10-04 S. Sakai , L. Roca , E. Oset

The interaction potentials between vector mesons and octet baryons are calculated explicitly with a summation of t-, s-, u-channel diagrams and a contact term originating from the tensor interaction. Many resonances are generated…

High Energy Physics - Phenomenology · Physics 2017-08-23 Bao-Xi Sun , Xiao-Fu Lu

The firm understanding of standard quark-antiquark states (including excited states) is necessary to search for non-conventional mesons with the same quantum numbers. In this work, we study the phenomenology of two nonets of excited vector…

High Energy Physics - Phenomenology · Physics 2018-08-29 Milena Piotrowska , Francesco Giacosa