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Related papers: Production of pentaquarks in $pA$-collisions

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The possibility of observing formation of hidden-charm pentaquarks as $s$-channel resonances in antiproton - deuteron collisions is discussed. It is pointed out that the masses of the reported by LHCb pentaquark resonances in the $J/\psi \,…

High Energy Physics - Phenomenology · Physics 2019-05-22 M. B. Voloshin

Motivated by the observation of the first hidden charm pentaquarks by the LHCb collaboration in 2015 and the updated analysis with an order-of-magnitude larger data set in 2019, we estimate their cross sections for the prompt production as…

High Energy Physics - Phenomenology · Physics 2021-10-04 Pan Ling , Xiao-Hu Dai , Meng-Lin Du , Qian Wang

In this work, we investigate the kaon-induced production of strange hidden-charm pentaquark $P^\Lambda_{\psi s}$ states, including the $P^\Lambda_{\psi s}(4459)$ and $P^\Lambda_{\psi s}(4338)$ observed by the LHCb collaboration.…

High Energy Physics - Phenomenology · Physics 2025-07-14 Shu Chen , Jun-Tao Zhu , Shu-Yi Kong , Jun He

We study one possible production mechanism for hidden charm pentaquark in e+e- collision, where it is produced via a color-octet c \bar c pair fragmentation. The pentaquark production at B factory energy is dominated by e+e- to c \bar c g…

High Energy Physics - Phenomenology · Physics 2018-04-04 Shi-Yuan Li , Yan-Rui Liu , Yu-Nan Liu , Zong-Guo Si , Xiao-Feng Zhang

The rapidity distribution of $\Lambda$ and $\bar{\Lambda}$ produced in nucleus-nucleus collisions at CERN energies is studied in the framework of an independent string model - with quark-antiquark as well as diquark-antidiquark pairs in the…

High Energy Physics - Phenomenology · Physics 2008-02-03 A. Capella , A. Kaidalov , A. Kouider Akil , C. Merino , J. Tran Thanh Van

The production of fully-heavy tetraquark states in proton-proton ($pp$) and proton-nucleus ($pA$) collisions at the center-of-mass energies of the Large Hadron Collider (LHC) and at the Future Circular Collider (FCC) is investigated…

High Energy Physics - Phenomenology · Physics 2023-06-23 L. M. Abreu , F. Carvalho , J. V. C. Cerqueira , V. P. Goncalves

The cross section for formation in $\gamma + p$ collisions of the recently found hidden-charm pentaquark states $P_c(4380)$ and $P_c(4450)$ is discussed and estimated. The studies of these resonances in photon beam experiments can be…

High Energy Physics - Phenomenology · Physics 2015-09-02 V. Kubarovsky , M. B. Voloshin

Following Rosner [hep-ph/0312269], we consider B-decay production channels for the exotic I=0 and $I=3/2$ pentaquarks that have been recently reported. We also discuss new search channels for isovector pentaquarks, such as the $\Theta^{*++}…

High Energy Physics - Phenomenology · Physics 2010-04-05 Thomas E. Browder , Igor R. Klebanov , Daniel R. Marlow

The discoveries of the hidden-charm $P_c$ pentaquarks by the LHCb Collaboration have been not confirmed by other experiments yet. It is desirable to investigate the feasibility of observing them in other experiments. We present an…

High Energy Physics - Phenomenology · Physics 2025-11-04 Xiao-Yu Zhang , Yi-Lin Song , Feng-Kun Guo

We investigate the possibility of studying the strange hidden-charm pentaquark state $P_{cs}(4459)$ by photon-induced reactions on a proton target in an effective Lagrangian approach. The production process is described by the $t$-channel…

High Energy Physics - Phenomenology · Physics 2021-12-22 Cai Cheng , Feng Yang , Yin Huang

We study the near-threshold $J/\psi$ meson production on protons and nuclei by considering incoherent direct non-resonant $K^-p \to {J/\psi}\Lambda$ and two-step resonant ${K^-}p \to P_{cs}(4459)^0 \to {J/\psi}\Lambda$ charmonium production…

High Energy Physics - Phenomenology · Physics 2022-05-03 E. Ya. Paryev

Using hadronic Lagrangians that include the interaction of pentaquark $\Theta^+$ baryon with $K$ and $N$, we evaluate the cross sections for its production from meson-proton, proton-proton, and photon-proton reactions near threshold. With…

Nuclear Theory · Physics 2009-11-10 W. Liu , C. M. Ko

Electro-production of several pentaquark states is investigated in this paper. eSTARlight package is adapted to study the electro-production of $J/\psi$ and $\Upsilon (1S)$ via pentaquark $P_c$ and $P_b$ resonance channels in $e p \to e…

High Energy Physics - Phenomenology · Physics 2021-03-22 Ya-Ping Xie , Xu Cao , Yu-Tie Liang , Xurong Chen

We investigate the production of the hidden-charm pentaquark $P_{cs}^0(4459)$ with strangeness in the $K^- p \to J/\psi \Lambda$ reaction, employing two different theoretical frameworks, i.e., the effective Lagrangian method and the Regge…

High Energy Physics - Phenomenology · Physics 2021-08-04 Samson Clymton , Hee-Jin Kim , Hyun-Chul Kim

We study the production of charmed baryons in the antiproton-proton and antiproton-nucleus interactions within a fully covariant model that is based on an effective Lagrangian approach. The baryon production proceeds via the $t$-channel…

High Energy Physics - Phenomenology · Physics 2018-03-09 R. Shyam , K. Tsushima

We study the cross sections for the electro-production of $P_c(4312)$ particle, a recently discovered pentaquark state, in electron-proton collisions assuming possible quantum numbers to be $J^{P}=\frac{1}{2}^\pm, \frac{3}{2}^\pm$.…

High Energy Physics - Phenomenology · Physics 2022-06-29 In Woo Park , Su Houng Lee , Sungtae Cho , Yongsun Kim

We investigate hidden-charm pentaquark states using an off-shell coupled-channel formalism involving heavy meson and singly heavy baryon scattering. Our approach utilizes an effective Lagrangian to construct the kernel amplitudes, which…

High Energy Physics - Phenomenology · Physics 2024-08-09 Samson Clymton , Hyun-Chul Kim , Terry Mart

Production of pentaquark $\Theta^+$ baryons in central relativistic heavy ion collisions is studied in a kinetic model. Assuming that a quark-gluon plasma is produced in the collisions, we first determine the number of $\Theta^+$ produced…

Nuclear Theory · Physics 2009-11-10 Lie-Wen Chen , V. Greco , C. M. Ko , S. H. Lee , W. Liu

In this paper we investigate the production of pentaquark states in the photon -- proton interactions present in hadronic collisions at the RHIC and LHC. We consider two phenomenological models for the $J/\Psi$ photoproduction that consider…

High Energy Physics - Phenomenology · Physics 2020-05-20 V. P. Goncalves , M. M. Jaime

Using a hadronic model with empirical coupling constants and form factors, we have evaluated the cross sections for the production of exotic pentaquark $\Theta^+$ and/or $\Xi_5^+$ and $\Xi_5^{--}$ in reactions induced by photons, nucleons,…

Nuclear Theory · Physics 2017-08-23 C. M. Ko , W. Liu
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