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Expected performance of the FOOT experiment FOOT实验的预期性能
IF 4.5 2区 物理与天体物理
Rivista Del Nuovo Cimento Pub Date : 2020-01-01 DOI: 10.1393/NCC/I2020-20101-9
G. Silvestre
{"title":"Expected performance of the FOOT experiment","authors":"G. Silvestre","doi":"10.1393/NCC/I2020-20101-9","DOIUrl":"https://doi.org/10.1393/NCC/I2020-20101-9","url":null,"abstract":"The main objective of the FOOT (FragmentatiOn of Target) experiment is to measure the double differential cross-sections with respect to the kinetic energy and the angle of emission of fragments produced in nuclear interactions with an accuracy of 5%. Measurements will use the inverse kinematics approach to study the interaction of heavy ions with proton-rich targets and will be performed in two energy regions, one up to 400 MeV/u, to assess the effects of nuclear fragmentation in hadrontherapy treatment with proton beams, and up to 700 MeV/u, to improve the knowledge of the fragmentation of ions on nuclei to help with the design of space vehicles shielding.","PeriodicalId":54452,"journal":{"name":"Rivista Del Nuovo Cimento","volume":"66 1","pages":"101"},"PeriodicalIF":4.5,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79757154","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Italian Physical Society : Characterization of plastic scintillators equipped with SiPM for the next generation of satellites for the study of cosmic radiation 意大利物理学会:为研究宇宙辐射的下一代卫星配备SiPM的塑料闪烁体的特性
IF 4.5 2区 物理与天体物理
Rivista Del Nuovo Cimento Pub Date : 2020-01-01 DOI: 10.1393/NCC/I2020-20100-X
D. Serini, L. Venere, P. Fusco, F. Giordano, F. Gargano, M. Mazziotta, P. D. Luque, F. Loparco, S. Loporchio
{"title":"Italian Physical Society : Characterization of plastic scintillators equipped with SiPM for the next generation of satellites for the study of cosmic radiation","authors":"D. Serini, L. Venere, P. Fusco, F. Giordano, F. Gargano, M. Mazziotta, P. D. Luque, F. Loparco, S. Loporchio","doi":"10.1393/NCC/I2020-20100-X","DOIUrl":"https://doi.org/10.1393/NCC/I2020-20100-X","url":null,"abstract":"","PeriodicalId":54452,"journal":{"name":"Rivista Del Nuovo Cimento","volume":"100 1","pages":"100"},"PeriodicalIF":4.5,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87005047","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Cosmic ray origin and anisotropy measurement by the Pierre Auger Observatory 皮埃尔·奥格天文台的宇宙射线起源和各向异性测量
IF 4.5 2区 物理与天体物理
Rivista Del Nuovo Cimento Pub Date : 2020-01-01 DOI: 10.1393/NCC/I2019-19245-0
G. Sigl
{"title":"Cosmic ray origin and anisotropy measurement by the Pierre Auger Observatory","authors":"G. Sigl","doi":"10.1393/NCC/I2019-19245-0","DOIUrl":"https://doi.org/10.1393/NCC/I2019-19245-0","url":null,"abstract":"Recently the Pierre Auger Observatory has observed a dipolar anisotropy of amplitude 6.5% above 8 × 1018 eV that is unrelated to the Galactic plane. While the significance is largest above 8 × 1018 eV, the cosmic ray data indicate a growth of the dipolar amplitude from 4×1018 eV to 3.2×1019 eV and beyond. Furthermore, above 4 × 1019 eV, indications have been found for intermediate-scale anisotropies associated with extragalactic gamma-ray sources. Apart from those indications no other significant anisotropies are seen. We review these observations and discuss their relevance for the origin of ultra-high energy cosmic rays.","PeriodicalId":54452,"journal":{"name":"Rivista Del Nuovo Cimento","volume":"131 1","pages":"245"},"PeriodicalIF":4.5,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75971482","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
$K^+ rightarrow pi^+ nuoverline{nu}$ with NA62: 2016 results and prospects $K^+ rightarrow pi^+ nuoverline{nu}$ 与NA62: 2016年业绩及展望
IF 4.5 2区 物理与天体物理
Rivista Del Nuovo Cimento Pub Date : 2020-01-01 DOI: 10.1393/NCC/I2019-19253-0
R. Piandanion
{"title":"$K^+ rightarrow pi^+ nuoverline{nu}$ with NA62: 2016 results and prospects","authors":"R. Piandanion","doi":"10.1393/NCC/I2019-19253-0","DOIUrl":"https://doi.org/10.1393/NCC/I2019-19253-0","url":null,"abstract":"The ultra rare $K rightarrow pi nuoverline{nu}$ process is one of the theoretically cleanest meson decay where to look for a stringent test of the Standard Model (SM). The NA62 experiment at CERN SPS is designed to measure the branching ratio of the $K^+ rightarrow pi^+ nuoverline{nu}$ decay with 10% precision. After commissioning, in 2016 first data set good for physics has been collected. The data taking is foreseen till the LS2 at the end of 2018. Results obtained with the full 2016 data sample will be presented togheter with prospects for 2017 and 2018 data sets.","PeriodicalId":54452,"journal":{"name":"Rivista Del Nuovo Cimento","volume":"15 1","pages":"253"},"PeriodicalIF":4.5,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87298899","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Cerenkov Telescope Array project status 切伦科夫望远镜阵列项目状态
IF 4.5 2区 物理与天体物理
Rivista Del Nuovo Cimento Pub Date : 2020-01-01 DOI: 10.1393/NCC/I2019-19244-1
E. Bissaldi
{"title":"The Cerenkov Telescope Array project status","authors":"E. Bissaldi","doi":"10.1393/NCC/I2019-19244-1","DOIUrl":"https://doi.org/10.1393/NCC/I2019-19244-1","url":null,"abstract":"The Cherenkov Telescope Array (CTA) represents the next generation ground-based observatory for gamma-ray astronomy at very-high energies. It will be capable of detecting gamma rays in the energy range from 20 GeV to more than 300 TeV with unprecedented precision in energy and directional reconstruction. CTA will be located in the northern hemisphere at La Palma, Spain, and in the southern hemisphere at Paranal, Chile, and will comprise more than 100 telescopes of three different types. CTA will be one of the largest astronomical infrastuctures in the world with open data access and it will address questions in astronomy, astrophysics and fundamental physics in the next decades. In this contribution we will present the status of the CTA construction, discuss the telescope prototypes, highlight the scientific perspectives and the instrument performances.","PeriodicalId":54452,"journal":{"name":"Rivista Del Nuovo Cimento","volume":"41 1","pages":"244"},"PeriodicalIF":4.5,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90095813","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Impact on | $V_{us}$| from decays: New BaBar results on $tau^- to K^- n pi^0nu_{tau}$(n = 0, 1, 2, 3) and $tau^- to pi^- n pi^0 nu_{tau}$(n = 3, 4) Impact on |美国V_{} |美元美元从decays: New BaBar results on美元知道^ - ^ 0 n到K ^ - pi nu_{知道}美元(n = 0, 1, 2, 3)和美元知道^ - ^ 到pi - n pi ^ 0 nu_{知道的(n = 3, 4美元)
IF 4.5 2区 物理与天体物理
Rivista Del Nuovo Cimento Pub Date : 2020-01-01 DOI: 10.1393/NCC/I2019-19252-1
A. Filippion
{"title":"Impact on | $V_{us}$| from decays: New BaBar results on $tau^- to K^- n pi^0nu_{tau}$(n = 0, 1, 2, 3) and $tau^- to pi^- n pi^0 nu_{tau}$(n = 3, 4)","authors":"A. Filippion","doi":"10.1393/NCC/I2019-19252-1","DOIUrl":"https://doi.org/10.1393/NCC/I2019-19252-1","url":null,"abstract":"This paper reports preliminary measurements of the branching fractions of τ hadronic decays in channels with one negative kaon or pion and multiple π0’s: τ − → K − nπ0ντ (with n = 0, 1, 2, 3) and τ − → π − nπ0ντ (with n = 3, 4). These measurements are of fundamental importance for the precise determination of the |Vus| Cabibbo-Kobahashi-Maskawa matrix element. Based on a data sample of about 435 million τ pairs produced in e+e − collisions at and near the Υ(4S) peak, collected by the BABAR experiment in about ten years of data taking, the following values have been obtained: B(τ − → K − ντ) = (7.174±0.033stat ±0.213sys)×10 −3, B(τ − → K − π0ντ) = (5.054 ± 0.021stat ± 0.148sys) × 10 −3, B(τ − → K − 2π0ντ) = (6.151 ± 0.117stat ± 0.338sys) × 10 −4, B(τ − → K − 3π0ντ) = (1.246 ± 0.164stat ± 0.238sys) × 10 −4, B(τ − → π − 3π0ντ) = (1.168 ± 0.006stat ± 0.038sys) × 10 −2 and B(τ − → π − 4π0ντ) = (9.020 ± 0.400stat ± 0.652sys) × 10 −4.","PeriodicalId":54452,"journal":{"name":"Rivista Del Nuovo Cimento","volume":"85 1","pages":"252"},"PeriodicalIF":4.5,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90520173","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Supernova neutrino detection in XENONnT neutron and muon Vetoes XENONnT中子和介子的中微子探测
IF 4.5 2区 物理与天体物理
Rivista Del Nuovo Cimento Pub Date : 2020-01-01 DOI: 10.1393/NCC/I2020-20119-Y
F. Pompa
{"title":"Supernova neutrino detection in XENONnT neutron and muon Vetoes","authors":"F. Pompa","doi":"10.1393/NCC/I2020-20119-Y","DOIUrl":"https://doi.org/10.1393/NCC/I2020-20119-Y","url":null,"abstract":"The current phase of the XENON Dark Matter Project, named XENONnT, will be operative in 2020 in the underground Laboratori Nazionali del Gran Sasso (LNGS). It is a multi-ton detector for direct search of Dark Matter, consisting of a double phase liquid-gas xenon Time Projection Chamber (TPC) which contains 5.9 tons of liquid xenon target mass, inserted in a cryostat surrounded by a tank containing 700 tons of water doped with Gd sulphate. Its aim, as that of its precursor XENON1T, is to detect elastic scattering of Weakly Interacting Massive Particles (WIMPs) off xenon nuclei. The presence of two Veto sub-systems, the muon Veto instrumented with 84 photomultiplier tubes (PMTs) and the neutron Veto with other 120 PMTs, allows to reduce the background for WIMPs search through muon and neutron tagging, while the presence of Gd sulphate increases the neutron capture cross section. Thanks to the large xenon target used and the presence of the two Vetoes, XENONnT will be able also to detect all flavours of Supernova neutrinos. Here the results from Monte Carlo simulations of XENONnT detection efficiency are presented for Supernova neutrinos through their inverse beta decay interactions in water of the two Veto sub-systems.","PeriodicalId":54452,"journal":{"name":"Rivista Del Nuovo Cimento","volume":"8 1","pages":"119"},"PeriodicalIF":4.5,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78052210","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
$CP$ violation in charm at LHCb $CP$违反了LHCb的魅力
IF 4.5 2区 物理与天体物理
Rivista Del Nuovo Cimento Pub Date : 2020-01-01 DOI: 10.1393/NCC/I2019-19250-3
T. Pajero
{"title":"$CP$ violation in charm at LHCb","authors":"T. Pajero","doi":"10.1393/NCC/I2019-19250-3","DOIUrl":"https://doi.org/10.1393/NCC/I2019-19250-3","url":null,"abstract":"$CP$While the CKM paradigm of CP violation has been tested extensively in $K$ and $B$ mesons, $CP$ violation remains unobserved in the decay of up-type quarks. The study of $CP$ violation in charm decays is thus a complementary test of the Standard Model, since it allows constraining $CP$-violating operators that might leave the observables of down-type quarks unaffected. Two recent measurements of $CP$ violation in charm decays by the LHCb Collaboration are reviewed. Their precision, below the $10^{-3}$ level, is finally entering the upper limit of the range of Standard Model predictions. The forthcoming Upgrade I of LHCb (2021–2029) will allow pushing the precision of the searches for $CP$ violation in charm below the $10^{-4}$ level.","PeriodicalId":54452,"journal":{"name":"Rivista Del Nuovo Cimento","volume":"44 1","pages":"250"},"PeriodicalIF":4.5,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87517281","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Neutrinoless double beta decay search with the GERDA experiment 用GERDA实验寻找中微子双衰变
IF 4.5 2区 物理与天体物理
Rivista Del Nuovo Cimento Pub Date : 2020-01-01 DOI: 10.1393/NCC/I2020-20024-5
V. D’Andrea
{"title":"Neutrinoless double beta decay search with the GERDA experiment","authors":"V. D’Andrea","doi":"10.1393/NCC/I2020-20024-5","DOIUrl":"https://doi.org/10.1393/NCC/I2020-20024-5","url":null,"abstract":"The Gerda experiment, located at the Laboratori Nazionali del Gran Sasso (LNGS), searches for the neutrinoless double beta decay of 76Ge. The experiment is using 36 kg of high-purity germanium detectors, simultaneously as source and detector, deployed into ultra-pure cryogenic liquid argon. Gerda is one the leading experiments in the field, reporting the highest sensitivity on the half-life of 0νββ decay with 1.1 · 1026 yr, the lowest background index with 6 · 10 −4 cts/(keV·kg·yr) and an excellent energy resolution of 0.12% (FWHM). The experimental setup, the analysis procedures and the latest results of Gerda are summarized in the present work.","PeriodicalId":54452,"journal":{"name":"Rivista Del Nuovo Cimento","volume":"120 1","pages":"24"},"PeriodicalIF":4.5,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78022146","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Design and performance of the Calorimeter for the FOOT experiment FOOT实验量热计的设计与性能
IF 4.5 2区 物理与天体物理
Rivista Del Nuovo Cimento Pub Date : 2020-01-01 DOI: 10.1393/NCC/I2020-20123-3
L. Scavarda
{"title":"Design and performance of the Calorimeter for the FOOT experiment","authors":"L. Scavarda","doi":"10.1393/NCC/I2020-20123-3","DOIUrl":"https://doi.org/10.1393/NCC/I2020-20123-3","url":null,"abstract":"","PeriodicalId":54452,"journal":{"name":"Rivista Del Nuovo Cimento","volume":"8 1","pages":"123"},"PeriodicalIF":4.5,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79657162","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
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