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1.
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Upgrade of the mechanically pumped CO$_2$ two-phase cooling system for the alpha magnetic spectrometer on the international space station
/ Ambrosi, G (INFN, Perugia ; Perugia U.) ; Bertucci, B (INFN, Perugia ; Perugia U.) ; Bollweg, K (NASA, Houston) ; Burger, J (MIT) ; Cai, X (MIT) ; Capell, M (MIT) ; Chung, C H (Aachen, Tech. Hochsch.) ; Chuang, Y R (Northrop-Grumman) ; Clark, C (NASA, Houston) ; Ding, T (Beijing, Inst. Tech.) et al.
This study describes the successful upgrade of a mechanically pumped CO$_2$
two-phase cooling system in space by designing a new pump module for the Alpha Magnetic Spectrometer-02 on the International Space Station. Key factors for mission success are emphasized, including achieving high coolant filling accuracy within 10% of the target and maintaining system stability within ±1
C. [...]
2023
- Published in : Appl. Thermal Eng. 230 (2023) 120738
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2.
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The role of the NA62 RICH in the $BR(K^+ \to \pi^+ \nu \bar\nu)$ measurement
/ Volpe, R (Florence U. ; INFN, Florence ; Louvain U., CP3) ; Anzivino, G (Perugia U. ; INFN, Perugia) ; Aisa, D (Perugia U. ; INFN, Perugia) ; Barbanera, M (INFN, Perugia) ; Bizzarri, M (Perugia U. ; INFN, Perugia) ; Bizzeti, A (Florence U. ; INFN, Florence ; Modena U.) ; Brizioli, F (Perugia U. ; INFN, Perugia) ; Bucci, F (INFN, Florence) ; Campeggi, C (Perugia U. ; INFN, Perugia) ; Carassiti, V (INFN, Ferrara) et al.
The NA62 experiment aims to measure the $BR$($K^+$ $\rightarrow$ $\pi^+$ $v$ $\overline{v}$) with a 10% precision. One of the main backgrounds comes from the decay $K^+$ $\rightarrow$ $\mu^+$ $v$ , therefore a highly powerful pion/muon separation is needed. [...]
Elsevier, 2020 - 4 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 952 (2020) 161802
In : 10th International Workshop on Ring Imaging Cherenkov Detectors, Moscow, Russia, 29 Jul - 4 Aug 2018, pp.161802
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5.
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Status of the NA62 ring imaging Cherenkov detector
/ Cenci, P (INFN, Perugia) ; Anzivino, G (Perugia U. ; INFN, Perugia) ; Aisa, D (Perugia U. ; INFN, Perugia) ; Barbanera, M (INFN, Perugia) ; Bizzarri, M (Perugia U. ; INFN, Perugia) ; Bizzeti, A (Modena U. ; INFN, Florence) ; Brizioli, F (Perugia U. ; INFN, Perugia) ; Bucci, F (INFN, Florence) ; Campeggi, C (Perugia U. ; INFN, Perugia) ; Carassiti, V (INFN, Ferrara) et al.
The Ring Imaging Cherenkov detector of the NA62 experiment at the CERN SPS is a key element of particle identification in the NA62 experimental strategy. The detector fulfills different conditions: to distinguish pions from muons with a muon rejection factor of O(10$^2$) in the NA62 momentum range of operation, between 15 and 35 GeV/c; to measure particle arrival time in the decay region with a precision better than 100 ps; to provide fast signals and reference time to the NA62 trigger system. [...]
Elsevier, 2020 - 4 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 952 (2020) 162005
In : 10th International Workshop on Ring Imaging Cherenkov Detectors, Moscow, Russia, 29 Jul - 4 Aug 2018, pp.162005
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6.
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Commissioning and performance of the NA62 RICH detector
/ Anzivino, G (Stanford U., Phys. Dept. ; Perugia U. ; INFN, Perugia) ; Aisa, D (Stanford U., Phys. Dept. ; Perugia U. ; INFN, Perugia) ; Barbanera, M (INFN, Perugia) ; Bizzarri, M (Stanford U., Phys. Dept. ; Perugia U. ; INFN, Perugia) ; Bizzeti, A (Modena U. ; INFN, Florence) ; Bucci, F (INFN, Florence) ; Campeggi, C (Stanford U., Phys. Dept. ; Perugia U. ; INFN, Perugia) ; Carassiti, V (INFN, Ferrara) ; Cenci, P (INFN, Perugia) ; Checcucci, B (INFN, Perugia) et al.
NA62 is the last generation kaon experiment at CERN SPS aiming to study the decay K$^+$ $\rightarrow\pi^+ \nu \bar{\nu }$. The goal of the experiment is to measure the decay branching ratio, $O$ (10$^{-10}$) , with 10% precision collecting about 100 K$^+$ $\rightarrow\pi^+ \nu \bar{\nu }$ events in three years of data taking and assuming a 10% signal acceptance. [...]
2017 - 5 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 876 (2017) 84-88
In : 9th International Workshop on Ring Imaging Cherenkov Detectors, Bled, Slovenia, 5 - 9 Sep 2016, pp.84-88
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7.
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Mirror system of the RICH detector of the NA62 experiment
/ Aisa, D (Perugia U. ; INFN, Perugia) ; Anzivino, G (Perugia U. ; INFN, Perugia) ; Barbanera, M (Perugia U. ; INFN, Perugia) ; Bizzarri, M (Perugia U. ; INFN, Perugia) ; Bizzeti, A (Modena U. ; INFN, Florence) ; Bucci, F (INFN, Florence) ; Campeggi, C (Perugia U. ; INFN, Perugia) ; Carassiti, V (INFN, Ferrara) ; Cassese, A (Florence U. ; INFN, Florence) ; Cenci, P (INFN, Perugia) et al.
A large RICH detector is used in NA62 to suppress the muon contamination in the charged pion selection by a factor 100 in the momentum range between 15 and 35 GeV/c. The detector consists of a 17 m long tank (vessel), filled with neon gas at atmospheric pressure. [...]
2017 - 23 p.
- Published in : JINST 12 (2017) P12017
Fulltext: pdf - PDF; 10.1088_1748-0221_12_12_P12017 - PDF;
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8.
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Performance of the NA62 RICH detector
/ Pepe, Monica (INFN, Perugia) ; Aisa, D (INFN, Perugia ; Perugia U.) ; Anzivino, G (INFN, Perugia ; Perugia U.) ; Barbanera, M (INFN, Perugia) ; Bizzarri, M (INFN, Perugia ; Perugia U.) ; Bizzeti, A (Modena U. ; INFN, Florence) ; Bucci, F (INFN, Florence) ; Campeggi, C (INFN, Perugia ; Perugia U.) ; Carassiti, V (INFN, Ferrara) ; Cenci, P (INFN, Perugia) et al.
NA62 is the last generation kaon experiment at CERN SPS aiming to study the decay K+ _ π+νν̅. The goal of the experiment is to measure the decay branching ratio (O(10-10)) with 10% accuracy, collecting about 100 K+ → π+νν̅ events in three years of data taking and assuming a 10% signal acceptance. [...]
2016 - 4 p.
- Published in : 10.1109/NSSMIC.2015.7581961
In : 2015 IEEE Nuclear Science Symposium and Medical Imaging Conference, San Diego, CA, USA, 31 Oct - 7 Nov 2015, pp.7581961
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9.
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The beam and detector of the NA62 experiment at CERN
/ NA62 Collaboration
NA62 is a fixed-target experiment at the CERN SPS dedicated to measurements of rare kaon decays. Such measurements, like the branching fraction of the $K^{+} \rightarrow \pi^{+} \nu \bar\nu$ decay, have the potential to bring significant insights into new physics processes when comparison is made with precise theoretical predictions. [...]
arXiv:1703.08501.-
2017-05-31 - 121 p.
- Published in : JINST 12 (2017) P05025
Fulltext: arXiv:1703.08501 - PDF; 10.1088_1748-0221_12_05_P05025 - PDF; IOP OA article: PDF;
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10.
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Precision Measurement of the Proton Flux in Primary Cosmic Rays from Rigidity 1 GV to 1.8 TV with the Alpha Magnetic Spectrometer on the International Space Station
/ Aguilar, M (Madrid, CIEMAT) ; Aisa, D (INFN, Perugia ; Perugia U.) ; Alpat, B (INFN, Perugia) ; Alvino, A (INFN, Perugia) ; Ambrosi, G (INFN, Perugia) ; Andeen, K (KIT, Karlsruhe, IKP) ; Arruda, L (LIP, Lisbon) ; Attig, N (IAS, Julich ; JARA, Aachen) ; Azzarello, P (INFN, Perugia ; Geneva U.) ; Bachlechner, A (RWTH Aachen U. ; JARA, Aachen) et al.
/AMS
A precise measurement of the proton flux in primary cosmic rays with rigidity (momentum/charge) from 1 GV to 1.8 TV is presented based on 300 million events. Knowledge of the rigidity dependence of the proton flux is important in understanding the origin, acceleration, and propagation of cosmic rays. [...]
2015 - 9 p.
- Published in : Phys. Rev. Lett. 114 (2015) 171103
APS Open Access article: PDF; Fulltext: PDF;
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