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View article: Formation of luminescent defects in 4H-SiC upon ion irradiation and ns laser annealing
Formation of luminescent defects in 4H-SiC upon ion irradiation and ns laser annealing Open
We present a novel approach for the optical activation of the negatively-charged silicon vacancy ( V Si − ) center in ion irradiated silicon carbide (SiC) via ns-pulsed laser annealing in the 234–2180 mJ cm − 2 energy density range. The la…
View article: Formation of C-centers in Si-based systems by light ion irradiation
Formation of C-centers in Si-based systems by light ion irradiation Open
Atomic-scale crystal defects in Si are quantum-light sources offering tantalizing integration with existing photonic technologies. Yet, the controlled creation of near-infrared color centers for long- haul quantum communication and informa…
View article: Improved direct measurement of low-energy resonances in the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:mmultiscripts> <mml:mi>Ne</mml:mi> <mml:mprescripts/> <mml:none/> <mml:mn>21</mml:mn> </mml:mmultiscripts> <mml:mo>(</mml:mo> <mml:mi>p</mml:mi> <mml:mo>,</mml:mo> <mml:mi>γ</mml:mi> <mml:mo>)</mml:mo> <mml:mmultiscripts> <mml:mi>Na</mml:mi> <mml:mprescripts/> <mml:none/> <mml:mn>22</mml:mn> </mml:mmultiscripts> </mml:mrow> </mml:math> reaction
Improved direct measurement of low-energy resonances in the reaction Open
In the nova temperature range, 0.1 GK < T < 0.4 GK, several low-energy resonances dominate the Ne 21 ( p , γ ) Na 22 reaction rate, which is currently affected by large uncertainties. We present a high-precision study of th…
View article: Detector characterization for a new <sup>12</sup> C+ <sup>12</sup> C reaction study at LUNA
Detector characterization for a new <sup>12</sup> C+ <sup>12</sup> C reaction study at LUNA Open
The 12 C+ 12 C fusion reaction plays a crucial role in stellar evolution, including the occurrence of supernova explosions, and in the synthesis of the chemical elements. However, our understanding of its cross section remains severely def…
View article: Improved direct measurement of low-energy resonances in the $^{21}$Ne(p,$γ$)$^{22}$Na reaction
Improved direct measurement of low-energy resonances in the $^{21}$Ne(p,$γ$)$^{22}$Na reaction Open
In the nova temperature range, 0.1 GK $< T <$ 0.4 GK, several low-energy resonances dominate the $^{21}$Ne(p,$γ$)$^{22}$Na reaction rate, which is currently affected by large uncertainties. We present a high-precision study of the resonanc…
View article: A high energy resolution gas target setup to study selected NeNa cycle reactions
A high energy resolution gas target setup to study selected NeNa cycle reactions Open
The neon-sodium cycle of hydrogen burning occurs in several astrophysical sites, such as asymptotic giant branch stars and novae, affecting the production of neon and sodium isotopes. To enhance the accuracy of predicted nucleosynthesis yi…
View article: A Comparative Analysis of R-Matrix Fitting: ${}^{12}$C$(p,γ)$${}^{13}$N as Test Case
A Comparative Analysis of R-Matrix Fitting: ${}^{12}$C$(p,γ)$${}^{13}$N as Test Case Open
In nuclear astrophysics, the accurate determination of nuclear reaction cross sections at astrophysical energies is critical for understanding stellar evolution and nucleosynthesis. This study focuses on the $^{12}$C($p, γ$)$^{13}$N reacti…
View article: Single-Photon Detectors for Quantum Integrated Photonics
Single-Photon Detectors for Quantum Integrated Photonics Open
Single-photon detectors have gained significant attention recently, driven by advancements in quantum information technology. Applications such as quantum key distribution, quantum cryptography, and quantum computation demand the ability t…
View article: Investigation of the 48,49,50 Ti( p,x ) reactions for the production of 47 Sc at the INFN LNL
Investigation of the 48,49,50 Ti( p,x ) reactions for the production of 47 Sc at the INFN LNL Open
International audience
View article: A multi-electrode two-dimensional position sensitive diamond detector
A multi-electrode two-dimensional position sensitive diamond detector Open
In multi-electrode devices, charge pulses at all the electrodes are induced concurrently by the motion of the excess charge carriers generated by a single ion. This charge-sharing effect is such that the pulse amplitude at each sensitive e…
View article: Integrated Photonic Passive Building Blocks on Silicon-on-Insulator Platform
Integrated Photonic Passive Building Blocks on Silicon-on-Insulator Platform Open
Integrated photonics on Silicon-On-Insulator (SOI) substrates is a well developed research field that has already significantly impacted various fields, such as quantum computing, micro sensing devices, biosensing, and high-rate communicat…
View article: Hybrid Integrated Silicon Photonics Based on Nanomaterials
Hybrid Integrated Silicon Photonics Based on Nanomaterials Open
Integrated photonic platforms have rapidly emerged as highly promising and extensively investigated systems for advancing classical and quantum information technologies, since their ability to seamlessly integrate photonic components withi…
View article: Solid-State Color Centers for Single-Photon Generation
Solid-State Color Centers for Single-Photon Generation Open
Single-photon sources are important for integrated photonics and quantum technologies, and can be used in quantum key distribution, quantum computing, and sensing. Color centers in the solid state are a promising candidate for the developm…
View article: Preliminary results of the theranostic <sup>47</sup>Sc cyclotron proton-induced production with enriched <sup>48</sup>Ti, <sup>49</sup>Ti and <sup>50</sup>Ti targets
Preliminary results of the theranostic <sup>47</sup>Sc cyclotron proton-induced production with enriched <sup>48</sup>Ti, <sup>49</sup>Ti and <sup>50</sup>Ti targets Open
The scientific community interest in the production of the theranostic 47 Sc is due to its medical favourable decay characteristics suitable for both SPECT imaging and therapeutic purposes. Considering the SPES cyclotron, this work is focu…
View article: Quantum Information with Integrated Photonics
Quantum Information with Integrated Photonics Open
Since the 1980s, researchers have taken giant steps in understanding how to use quantum mechanics for solving real problems—for example, making a computer that works according to the laws of quantum mechanics. In recent decades, researcher…
View article: Nuclear Cross-Section of Proton-Induced Reactions on Enriched 48Ti Targets for the Production of Theranostic 47Sc Radionuclide, 46cSc, 44mSc, 44gSc, 43Sc, and 48V
Nuclear Cross-Section of Proton-Induced Reactions on Enriched 48Ti Targets for the Production of Theranostic 47Sc Radionuclide, 46cSc, 44mSc, 44gSc, 43Sc, and 48V Open
The cross-sections of the 48Ti(p,x)47Sc, 46cSc, 44mSc, 44gSc, 43Sc, and 48V nuclear reactions were measured from 18 to 70 MeV, with particular attention to 47Sc production. Enriched 48Ti powder was deposited on an aluminum backing and the …
View article: The deep underground Bellotti Ion Beam Facility—status and perspectives
The deep underground Bellotti Ion Beam Facility—status and perspectives Open
For more than three decades, accelerators are in use in the underground laboratories of the Laboratori Nazionali del Gran Sasso (LNGS), located in central Italy. The LUNA Collaboration has exploited the potential of the site’s low cosmic r…
View article: First measurement of the low-energy direct capture in 20Ne(p, γ)21Na and improved energy and strength of the Ecm = 368 keV resonance
First measurement of the low-energy direct capture in 20Ne(p, γ)21Na and improved energy and strength of the Ecm = 368 keV resonance Open
The $\mathrm{^{20}Ne(p, γ)^{21}Na}$ reaction is the slowest in the NeNa cycle and directly affects the abundances of the Ne and Na isotopes in a variety of astrophysical sites. Here we report the measurement of its direct capture contribut…
View article: <sup>47</sup>Sc production with proton beams on isotopically enriched <sup>48</sup>Ti and <sup>49</sup>Ti targets
<sup>47</sup>Sc production with proton beams on isotopically enriched <sup>48</sup>Ti and <sup>49</sup>Ti targets Open
The theranostic emerging radionuclide 47 Sc is under the spotlight of the scientific community due to its medically favorable decay characteristics (t 1/2 =3.3492 d, E γ =159.381 keV, E β−, mean =162.0 keV) for both the diagnostic and trea…
View article: Research on Emerging Medical radionuclides from the X-sections (REMIX): The Accelerator-based Production of <sup>47</sup>Sc, <sup>149</sup>Tb, <sup>152</sup>Tb, <sup>155</sup>Tb and <sup>161</sup>Tb
Research on Emerging Medical radionuclides from the X-sections (REMIX): The Accelerator-based Production of <sup>47</sup>Sc, <sup>149</sup>Tb, <sup>152</sup>Tb, <sup>155</sup>Tb and <sup>161</sup>Tb Open
The REMIX project is focused on the cyclotron-based production of 47 Sc, 149 Tb, 152 Tb, 155 Tb and 161 Tb radionuclides, whose decay characteristics make them suitable for medical applications. This work will outline the main results achi…
View article: New proton-capture rates on carbon isotopes and their impact on the astrophysical $^{12}\mathrm{C}/{}^{13}\mathrm{C}$ ratio
New proton-capture rates on carbon isotopes and their impact on the astrophysical $^{12}\mathrm{C}/{}^{13}\mathrm{C}$ ratio Open
The ${}^{12}\mathrm{C}/{}^{13}\mathrm{C}$ ratio is a significant indicator of nucleosynthesis and mixing processes during hydrogen burning in stars. Its value mainly depends on the relative rates of the ${}^{12}\mathrm{C}(p,γ){}^{13}\mathr…
View article: Active target TPC for study of photonuclear reactions at astrophysical energies
Active target TPC for study of photonuclear reactions at astrophysical energies Open
A setup designed to study photonuclear reactions at astrophysical energies - an active target Time Projection Chamber was developed and constructed at the Faculty of Physics, University of Warsaw. The device was successfully employed in tw…
View article: <sup>33</sup>Cl Spectroscopic Factors via the <sup>32</sup>S(<sup>3</sup>He, d)<sup>33</sup>Cl One-Proton Transfer Reaction
<sup>33</sup>Cl Spectroscopic Factors via the <sup>32</sup>S(<sup>3</sup>He, d)<sup>33</sup>Cl One-Proton Transfer Reaction Open
The structure of light-to-medium mass nuclei is crucial to understand exotic phenomena in nuclear structure, including the appearance of molecular effects in light nuclei and their impact in nuclear astrophysics. In this paper, a new exper…
View article: Micro-PIXE and micro-IBIL characterization of lapis lazuli samples from Myanmar mines and implications for provenance study
Micro-PIXE and micro-IBIL characterization of lapis lazuli samples from Myanmar mines and implications for provenance study Open
The provenance of raw lapis lazuli used since the Neolithic Age for the realization of carved artefacts can be pivoting for the reconstruction of ancient trade routes. The role of main provider of this material in ancient times is generall…
View article: Advances in radiative capture studies at LUNA with a segmented BGO detector
Advances in radiative capture studies at LUNA with a segmented BGO detector Open
Studies of charged-particle reactions for low-energy nuclear astrophysics require high sensitivity, which can be achieved by means of detection setups with high efficiency and low backgrounds, to obtain precise measurements in the energy r…
View article: Active Target TPC for Study of Photonuclear Reactions at Astrophysical Energies
Active Target TPC for Study of Photonuclear Reactions at Astrophysical Energies Open
A setup designed to study photonuclear reactions at astrophysical energies - an active target Time Projection Chamber was developed and constructed at the Faculty of Physics, University of Warsaw. The device was successfully employed in tw…
View article: Thickness and uniformity analysis of thin and heat-resistant targets
Thickness and uniformity analysis of thin and heat-resistant targets Open
The thickness and uniformity characterisation of the first prototypes of thin tellurium and germanium targets evaporated on Highly Oriented Pyrolytic Graphite for NUMEN project is reported. The contribution of such targets to the energy re…
View article: Measurement of the Ellipsometric Parameters of Thin Graphene Layers in the Extreme Ultraviolet
Measurement of the Ellipsometric Parameters of Thin Graphene Layers in the Extreme Ultraviolet Open
A reflection polarimeter for the XUV (30 – 100 eV) spectral range realized with three ruthenium optics has been designed, developed and tested. The instrument is conceived to be an insertable device, maintaining unaltered the XUV beam prop…