L. E. Marcucci
YOU?
Author Swipe
View article: Convergence of the ppp correlation function within the hyperspherical adiabatic basis
Convergence of the ppp correlation function within the hyperspherical adiabatic basis Open
6 pages, 3 figures, 1 table
View article: ToMCCA-3: A realistic 3-body coalescence model
ToMCCA-3: A realistic 3-body coalescence model Open
The formation of light nuclei in high-energy collisions provides valuable insights into the underlying dynamics of the strong interaction and the structure of the particle-emitting source. Understanding this process is crucial not only for…
View article: $A=2,3$ nuclear contact coefficients in the Generalized Contact Formalism
$A=2,3$ nuclear contact coefficients in the Generalized Contact Formalism Open
This work focuses on extracting nuclear contact coefficients for \( A = 2 \), \( A = 3 \) and \( A = 4 \) nuclei within the Generalized Contact Formalism framework. We investigate the universality of these coefficients across different nuc…
View article: $A=2,3$ nuclear contact coefficients in the Generalized Contact Formalism
$A=2,3$ nuclear contact coefficients in the Generalized Contact Formalism Open
This work focuses on extracting nuclear contact coefficients for \( A = 2 \), \( A = 3 \) and \( A = 4 \) nuclei within the Generalized Contact Formalism framework. We investigate the universality of these coefficients across different nuc…
View article: The X17 boson and the d(p,e+ e-)3He and d(n,e+ e-)3H processes: a theoretical analysis
The X17 boson and the d(p,e+ e-)3He and d(n,e+ e-)3H processes: a theoretical analysis Open
The present work deals with the e+ e- pair production in the d(p,e+e-)3He and d(n,e+ e-)3H processes, in order to evidentiate possible effects due to the exchange of a hypothetical low-mass boson, the so-called X17. These processes are stu…
View article: The $pΛ$ and $ppΛ$ correlation functions
The $pΛ$ and $ppΛ$ correlation functions Open
In this work we present the study of $pΛ$ and $ppΛ$ scattering processes using femtoscopic correlation functions. This observable has been recently used to access the low-energy interaction of hadrons emitted in the final state of high-ene…
View article: Solar fusion III: New data and theory for hydrogen-burning stars
Solar fusion III: New data and theory for hydrogen-burning stars Open
In stars that lie on the main sequence in the Hertzsprung-Russel diagram, like our sun, hydrogen is fused to helium in a number of nuclear reaction chains and series, such as the proton-proton chain and the carbon-nitrogen-oxygen cycles. P…
View article: Bayesian analysis of muon capture on the deuteron in chiral effective field theory
Bayesian analysis of muon capture on the deuteron in chiral effective field theory Open
We compute the muon capture on deuteron in the doublet hyperfine state for a variety of nuclear interactions and consistent nuclear currents. Our analysis includes a detailed examination of the theoretical uncertainties coming from differe…
View article: Momentum dependent nucleon-nucleon contact interactions andtheir effect on $p-d$ scattering observables
Momentum dependent nucleon-nucleon contact interactions andtheir effect on $p-d$ scattering observables Open
Starting from a complete set of relativistic nucleon-nucleon contact operators up to order \(O(p^4)\) of the expansion in the soft (relative or nucleon) momentum \(p\) , we show that non-relativistic expansions of relativistic operators in…
View article: PTOLEMY: Relic neutrino direct detection
PTOLEMY: Relic neutrino direct detection Open
Though their imprint upon the CMB and large-scale structure of the universe remains to this day, Big Bang relic neutrinos (the C𝜈B) have never been directly observed. This remains an outstanding test of the Standard Model in CDM cosmology …
View article: The three-nucleon interaction in pionful and pionless effective field theory
The three-nucleon interaction in pionful and pionless effective field theory Open
After a brief historical perspective on the three-nucleon (3 ) interaction, we will focus on the
\nchiral 3 forces and discuss some of the main present discrepancies with experimental data on
\nlow-energy − scattering. By including the sub…
View article: Cosmic Neutrino Background detection with PTOLEMY
Cosmic Neutrino Background detection with PTOLEMY Open
The PTOLEMY experiment aims at detecting the cosmic neutrino background, generated approximately one second after the Big Bang, in accordance with Standard Cosmology. Given the extremely low energy of these neutrinos, reliable experimental…
View article: Role of three-body dynamics in nucleon-deuteron correlation functions
Role of three-body dynamics in nucleon-deuteron correlation functions Open
Correlation functions of hadrons can be accessed in high-energy collisions of atomic nuclei, revealing information about the underlying interaction. This work complements experimental efforts to study nucleon-deuteron Nd - with N=p (proton…
View article: The $nnn$ and $ppp$ correlation functions
The $nnn$ and $ppp$ correlation functions Open
Scattering experiments with three free nucleons in the ingoing channel are extremely challenging in terrestrial laboratories. Recently, the ALICE Collaboration has successfully measured the scattering of three protons indirectly, by using …
View article: Study of the d(d, p) <sup>3</sup>H and d(d, n) <sup>3</sup>He processes at low energies
Study of the d(d, p) <sup>3</sup>H and d(d, n) <sup>3</sup>He processes at low energies Open
The processes d(d, p) 3 H and d(d, n) 3 He at energies of interest for energy production and for big-bang nucleosynthesis are studied using the hyperspherical harmonic method. The interactions include modern two- and three-nucleon interact…
View article: Revisiting proton–proton fusion in chiral effective field theory
Revisiting proton–proton fusion in chiral effective field theory Open
We calculate the S -factor for proton–proton fusion using chiral effective field theory interactions and currents. By performing order-by-order calculations with a variety of chiral interactions that are regularized and calibrated in diffe…
View article: Role of three-body dynamics in nucleon-deuteron correlation functions
Role of three-body dynamics in nucleon-deuteron correlation functions Open
Correlation functions of hadrons can be accessed in high-energy collisions of atomic nuclei, revealing information about the underlying interaction. This work complements experimental efforts to study nucleon-deuteron $Nd$ -- with $N=p$ (p…
View article: Bayesian analysis of muon capture on deuteron in chiral effective field theory
Bayesian analysis of muon capture on deuteron in chiral effective field theory Open
We compute the muon capture on deuteron in the doublet hyperfine state for a variety of nuclear interactions and consistent nuclear currents. Our analysis includes a detailed examination of the theoretical uncertainties coming from differe…
View article: Revisiting proton-proton fusion in chiral effective field theory
Revisiting proton-proton fusion in chiral effective field theory Open
We calculate the $S$-factor for proton-proton fusion using chiral effective field theory interactions and currents. By performing order-by-order calculations with a variety of chiral interactions that are regularized and calibrated in diff…
View article: Muon capture on deuteron using local chiral potentials
Muon capture on deuteron using local chiral potentials Open
The muon capture reaction μ − + d → n + n + ν μ in the doublet hyperfine state is studied using nuclear potentials and consistent currents derived in the chiral effective field theory, which are local and expressed in coordinate space (the…
View article: Heisenberg’s uncertainty principle in the PTOLEMY project: A theory update
Heisenberg’s uncertainty principle in the PTOLEMY project: A theory update Open
We discuss the consequences of the quantum uncertainty on the spectrum of the electron emitted by the β-processes of a tritium atom bound to a graphene sheet. We analyze quantitatively the issue recently raised by Cheipesh, Cheianov, and B…
View article: Implementation and optimization of the PTOLEMY transverse drift electromagnetic filter
Implementation and optimization of the PTOLEMY transverse drift electromagnetic filter Open
The PTOLEMY transverse drift filter is a new concept to enable precision analysis of the energy spectrum of electrons near the tritium β -decay endpoint. This paper details the implementation and optimization methods for successful operati…
View article: Low Field Optimization of the PTOLEMY Electromagnetic Filter
Low Field Optimization of the PTOLEMY Electromagnetic Filter Open
Implementation details and optimization methods are presented for operation of the PTOLEMY transverse drift electromagnetic filter in low field. Low field operation introduces new challenges for tritium endpoint electron transport. The gro…
View article: Two-body photodisintegration of 3He between 7 and 16 MeV
Two-body photodisintegration of 3He between 7 and 16 MeV Open
A comprehensive data set is reported for the two-body photodisintegration cross section of He using mono-energetic photon beams at eleven energies between 7.0 and 16.0 MeV. A high-pressure gas scintillator served as target and detector. Al…
View article: Comparative study of ${}^6$He $\beta$-decay based on different SRG-evolved chiral interactions
Comparative study of ${}^6$He $\beta$-decay based on different SRG-evolved chiral interactions Open
We report on a study of the Gamow-Teller matrix element contributing to ${}^6$He $\beta$-decay with Similarity Renormalization Group (SRG) versions of momentum- and configuration-space two-nucleon interactions. These interactions are deriv…
View article: Two- and three-nucleon contact interactions and ground-state energies of light- and medium-mass nuclei
Two- and three-nucleon contact interactions and ground-state energies of light- and medium-mass nuclei Open
Classes of two-nucleon (2N) contact interactions are developed in configuration space at leading order (LO), next-to-leading order (NLO), and next-to-next-to-next-to-leading order (N3LO) by fitting the experimental singlet np scattering le…
View article: The X17 boson and the $^3$H$(p,e^+ e^-)^4$He and $^3$He$(n,e^+ e^-)^4$He processes: a theoretical analysis
The X17 boson and the $^3$H$(p,e^+ e^-)^4$He and $^3$He$(n,e^+ e^-)^4$He processes: a theoretical analysis Open
The present work deals with $e^+$-$e^-$ pair production in the four-nucleon system. We first analyze the process as a purely electromagnetic one in the context of a state-of-the-art approach to nuclear strong-interaction dynamics and nucle…