E. Santopinto
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View article: Strong decays of the $$DK^*$$ and $$\bar{D}K^{*}$$ molecular states
Strong decays of the $$DK^*$$ and $$\bar{D}K^{*}$$ molecular states Open
Inspired by the abundant structure near the threshold of the $$D^{(*)}K^{(*)}/\bar{D}^{(*)}K^{(*)},$$ we estimate the strong decay properties of the $$T_{c\bar{s}1}^{f/a}$$ and $$T_{\bar{c}\b…
View article: Radiative decays of the second shell <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"> <mml:msub> <mml:mi mathvariant="normal">Λ</mml:mi> <mml:mi>b</mml:mi> </mml:msub> </mml:math> and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"> <mml:msub> <mml:mi mathvariant="normal">Ξ</mml:mi> <mml:mi>b</mml:mi> </mml:msub> </mml:math> bottom baryons
Radiative decays of the second shell and bottom baryons Open
In this work, we investigate the radiative decays of the Λ b and Ξ b bottom baryons, which belong to the flavor antitriplet ( 3 ¯ F ), within the constituent quark model formalism. The electromagnetic transitions are calculat…
View article: Determining the width of $D_{s0}^{*}(2317)$ by using $T_{c\bar{s}0}^{a}(2327)$ in a molecular frame
Determining the width of $D_{s0}^{*}(2317)$ by using $T_{c\bar{s}0}^{a}(2327)$ in a molecular frame Open
Motivated by the recent observation of the open-charm tetraquark $T_{c\bar{s}0}^{a}(2327)$ by the LHCb Collaboration, as well as results from Lattice QCD calculations, we consider the $T_{c\bar{s}0}^{a}(2327)$ and the $D_{s0}^{*}(2317)$ as…
View article: Status of the NUMEN Construction
Status of the NUMEN Construction Open
The NUMEN (NUclear Matrix Elements for Neutrinoless double beta decay) project at INFN-Laboratori Nazionali del Sud aims to extract quantitative information on the Nuclear Matrix Elements relevant to neutrinoless double beta decay, a key p…
View article: Strong decay widths and mass spectra of the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mn>1</mml:mn><mml:mi>D</mml:mi></mml:mrow></mml:math>, <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mn>2</mml:mn><mml:mi>P</mml:mi></mml:mrow></mml:math> and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mn>2</mml:mn><mml:mi>S</mml:mi></mml:mrow></mml:math> singly bottom baryons
Strong decay widths and mass spectra of the , and singly bottom baryons Open
We calculate the 1D, 2P, and 2S mass spectra of the singly bottom baryons and their strong decay widths. The calculations are performed within a harmonic oscillator quark model that incorporates the spin, spin-orbit, isospin, and flavor in…
View article: Fully charmed tetraquark production at the LHC experiments
Fully charmed tetraquark production at the LHC experiments Open
We develop the formalism for production of a fully heavy tetraquark and apply it to the calculation of $pp\to T_{4c}+X$ cross-sections. We demonstrate that the production cross-section of a fully heavy tetraquark, even if it is a diquark-a…
View article: “Astronomy for sailors”: a web game to learn physics using the stars and a clock
“Astronomy for sailors”: a web game to learn physics using the stars and a clock Open
If you were on a boat in the middle of the sea how could you guess your position using just the stars and a clock? This is the challenge for hundreds of students at our interactive astronomy workshop in the context of the Genoa Science Fes…
View article: Heavy-ion induced double charge exchange reaction in a multi-channel approach: The research program of the NUMEN project
Heavy-ion induced double charge exchange reaction in a multi-channel approach: The research program of the NUMEN project Open
We give an updated view of the status and prospects of heavy-ion double charge exchange (HI-DCE) reaction studies performed at the Laboratori Nazionali del Sud of the Istituto Nazionale di Fisica Nucleare (INFN-LNS) in the context of the N…
View article: Study of the spectra and decay widths of singly heavy baryons
Study of the spectra and decay widths of singly heavy baryons Open
We present a study of the spectra and strong decay widths of singly heavy baryons. The masses of singly heavy baryons up to the D-wave are calculated within a constituent quark model, employing the three-quark and quarkdiquark schemes. In …
View article: New Interacting Boson Fermion-Fermion Model results
New Interacting Boson Fermion-Fermion Model results Open
We present a new application of the Interacting Boson Model (IBM) and its extensions for describing double charge exchange reactions. The study of double charge exchange reactions induced by heavy ions involving candidate nuclei for neutri…
View article: Rich structure of the hidden-charm pentaquarks near threshold regions
Rich structure of the hidden-charm pentaquarks near threshold regions Open
The recent discoveries and observations of pentaquarks and tetraquarks by high-energy accelerator facilities have accumulated evidence of the existence of multiquark hadrons with heavy quarks, as discussed from the early stage of the predi…
View article: New high intensity Heavy - Ion beams @ INFN-LNS: NUMEN project status and perspective
New high intensity Heavy - Ion beams @ INFN-LNS: NUMEN project status and perspective Open
The upgrade project POTLNS to produce high-intensity beams has already started at INFN- Laboratori Nazionali del Sud in Catania (Italy). The POTLNS project was triggered by the NUMEN physics case that aims to provide experimental informati…
View article: Double charge-exchange reactions for the nuclear matrix elements of neutrinoless double beta decay
Double charge-exchange reactions for the nuclear matrix elements of neutrinoless double beta decay Open
Double charge exchange (DCE) reactions induced by heavy ions are crucial tools to access information relevant for neutrinoless double beta decay nuclear matrix elements. In this context the NUMEN project aims to investigate, for each syste…
View article: Hidden-charm and bottom tetra- and pentaquarks with strangeness in the hadro-quarkonium and compact tetraquark models
Hidden-charm and bottom tetra- and pentaquarks with strangeness in the hadro-quarkonium and compact tetraquark models Open
In two recent papers, we used the hadro-quarkonium model to study the properties of hiddencharm and bottom tetraquarks and pentaquarks. Here, we extend the previous results and calculate the masses of heavy-quarkonium-kaon/hyperon systems.…
View article: Heavy-ion induced quasi-elastic reactions in view of the NUMEN project
Heavy-ion induced quasi-elastic reactions in view of the NUMEN project Open
Double charge exchange (DCE) reactions induced by heavy ions and other direct reactions characterized by same projectile and target are crucial tools to access information relevant for neutrinoless double beta decay nuclear matrix elements…
View article: Study of the one-neutron transfer reaction in <sup>18</sup>O + <sup>76</sup>Se collision at 275 MeV in the context of the NUMEN project
Study of the one-neutron transfer reaction in <sup>18</sup>O + <sup>76</sup>Se collision at 275 MeV in the context of the NUMEN project Open
Heavy-ion one-nucleon transfer reactions are promising tools to investigate single-particle configurations in nuclear states, with and without the excitation of the core degrees of freedom. An accurate determination of the spectroscopic am…
View article: Strong decay widths and mass spectra of charmed baryons
Strong decay widths and mass spectra of charmed baryons Open
The total decay widths of the charmed baryons are calculated by means of the $^{3}{P}_{0}$ model. Our calculations consider in the final states: the charmed baryon-(vector/pseudoscalar) meson pairs and the (octet/decuplet) baryon-(pseudosc…
View article: Rich structure of the hidden-charm pentaquarks near threshold regions
Rich structure of the hidden-charm pentaquarks near threshold regions Open
The recent abundant observations of pentaquarks and tetraquarks by high-energy accelerator facilities indicate the realization of the conjecture by Gell-Mann and Zweig, and by De Rujula, Georgi and Glashow [1-3]. We construct a coupled-cha…
View article: A focus on selected perspectives of the NUMEN project
A focus on selected perspectives of the NUMEN project Open
The use of double charge exchange reactions is discussed in view of their application to extract information that may be helpful to determinate the nuclear matrix elements entering in the expression of neutrinoless double beta decay half-l…
View article: Substructure of Multiquark Hadrons (Snowmass 2021 White Paper)
Substructure of Multiquark Hadrons (Snowmass 2021 White Paper) Open
In recent years there has been a rapidly growing body of experimental evidence for existence of exotic, multiquark hadrons, i.e. mesons which contain additional quarks, beyond the usual quark-antiquark pair and baryons which consist of mor…
View article: The new $P_{\rm c}(4337)$, $P_{\rm cs}(4459)$, $Z_{\rm cs}(3985)$ and $Z_{\rm cs}(4003)$ and the possible emergence of flavor pentaquark octets and tetraquark nonetsJ. Ferretti}
The new $P_{\rm c}(4337)$, $P_{\rm cs}(4459)$, $Z_{\rm cs}(3985)$ and $Z_{\rm cs}(4003)$ and the possible emergence of flavor pentaquark octets and tetraquark nonetsJ. Ferretti} Open
Our hadro-charmonium and compact tetraquark model predictions, published before the BESIII and LHCb experimental data for the $Z_{\rm cs}(3985)$ and $Z_{\rm cs}(4003)$ tetraquarks were released, match surprisingly well with them. Here, we …
View article: Transfer reactions between odd-odd and even-even nuclei by using IBFFM
Transfer reactions between odd-odd and even-even nuclei by using IBFFM Open
Spectroscopic Amplitudes (SA) in the Interacting Boson Fermion Fermion Model (IBFFM) are necessary for the computation of $0νββ$ decays but also for cross sections of heavy-ion reactions, in particular, Double Charge Exchange reactions for…
View article: Recent results on heavy-ion induced reactions of interest for neutrinoless double beta decay at INFN-LNS
Recent results on heavy-ion induced reactions of interest for neutrinoless double beta decay at INFN-LNS Open
The NUMEN project aims at accessing experimentally driven information on Nuclear Matrix Elements (NME) involved in the half-life of the neutrinoless double beta decay (0νββ). In this view measurements of Heavy Ion (HI) induced Double Charg…
View article: Masses and decay widths of $Ξ_{c/b}$ and $Ξ^\prime_{c/b}$ baryons
Masses and decay widths of $Ξ_{c/b}$ and $Ξ^\prime_{c/b}$ baryons Open
In this article, we present a complete classification of the negative parity $Ξ'_{c/b}$ and $Ξ_{c/b}$ $P$-wave states: 7 belonging to the $SU(3)$ flavor sextet and 7 to the flavor anti-triplet, the calculation of the $Ξ'_{c/b}$ and $Ξ_{c/b…
View article: Masses and decay widths of $\Xi_{c/b}$ and $\Xi^\prime_{c/b}$ baryons
Masses and decay widths of $\Xi_{c/b}$ and $\Xi^\prime_{c/b}$ baryons Open
In this article, we present a complete classification of the negative parity\n$\\Xi'_{c/b}$ and $\\Xi_{c/b}$ $P$-wave states: 7 belonging to the $SU(3)$ flavor\nsextet and 7 to the flavor anti-triplet, the calculation of the $\\Xi'_{c/b}$\…
View article: Double charge exchange reactions as a probe for neutrinoless double beta decay nuclear matrix elements
Double charge exchange reactions as a probe for neutrinoless double beta decay nuclear matrix elements Open
The formalism to describe heavy-ion double charge exchange (DCE) processes in the eikonal and small-momentum transfer approximations introduced in Phys. Rev. C 98 , 061601(R) (2018) is briefly discussed. It is also shown that, under the pr…
View article: Recent results on heavy-ion direct reactions of interest for 0νββ decay at INFN - LNS
Recent results on heavy-ion direct reactions of interest for 0νββ decay at INFN - LNS Open
Neutrinoless double beta decay of nuclei, if observed, would have important implications on fundamental physics. In particular it would give access to the effective neutrino mass. In order to extract such information from 0νββ decay half-l…
View article: New Results from the NUMEN Project
New Results from the NUMEN Project Open
Россия приступила к реформированию национальной образовательной системы. В статье приводится всесторонний анализ уровня образования в России за период 2010–2014 годы в различных возрастных группах. Выявлена тенденция увеличения количества …