arxiv: 1907.09332 · v2 · ★pith:JMMOIRK4new · submitted 2019-07-22 · 🌌 astro-ph.IM · physics.ins-det
Measurement of the ion fraction and mobility of ²¹⁸Po produced in ²²²Rn decays in liquid argon
P. Agnes
,
I.F.M. Albuquerque
,
T. Alexander
,
A.K. Alton
,
M. Ave
,
H.O. Back
,
G. Batignani
,
K. Biery
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V. Bocci
G. Bonfini
W.M. Bonivento
B. Bottino
S. Bussino
M. Cadeddu
M. Cadoni
F. Calaprice
A. Caminata
N. Canci
A. Candela
M. Caravati
M. Cariello
M. Carlini
M. Carpinelli
S. Catalanotti
V. Cataudella
P. Cavalcante
S. Cavuoti
A. Chepurnov
C. Cicalo
A.G. Cocco
G. Covone
D. D'Angelo
S. Davini
A. De Candia
S. De Cecco
M. De Deo
G. De Filippis
G. De Rosa
A.V. Derbin
A. Devoto
F. Di Eusanio
M. D'Incecco
G. Di Pietro
C. Dionisi
M. Downing
D. D'Urso
E. Edkins
A. Empl
G. Fiorillo
K. Fomenko
D. Franco
F. Gabriele
C. Galbiati
C. Ghiano
S. Giagu
C. Giganti
G.K. Giovanetti
O. Gorchakov
A.M. Goretti
F. Granato
A. Grobov
M. Gromov
M. Guan
Y. Guardincerri
M. Gulino
B.R. Hackett
K. Herner
B. Hosseini
D. Hughes
P. Humble
E.V. Hungerford
Al. Ianni
An. Ianni
V. Ippolito
T.N. Johnson
K. Keeter
C.L. Kendziora
I. Kochanek
G. Koh
D. Korablev
G. Korga
A. Kubankin
M. Kuss
M. La Commara
M. Lai
X. Li
M. Lissia
G. Longo
A.A. Machado
I.N. Machulin
A. Mandarano
L. Mapelli
S.M. Mari
J. Maricic
C.J. Martoff
A. Messina
P.D. Meyers
R. Milincic
A. Monte
M. Morrocchi
V.N. Muratova
P. Musico
A. Navrer Agasson
A.O. Nozdrina
A. Oleinik
M. Orsini
F. Ortica
L. Pagani
M. Pallavicini
L. Pandola
E. Pantic
E. Paoloni
K. Pelczar
N. Pelliccia
E. Picciau
A. Pocar
S. Pordes
S.S. Poudel
H. Qian
F. Ragusa
M. Razeti
A. Razeto
A.L. Renshaw
M. Rescigno
Q. Riffard
A. Romani
B. Rossi
N. Rossi
D. Sablone
O. Samoylov
W. Sands
S. Sanfilippo
C. Savarese
B. Schlitzer
E. Segreto
D.A. Semenov
A. Shchagin
A. Sheshukov
P.N. Singh
M.D. Skorokhvatov
O. Smirnov
A. Sotnikov
C. Stanford
S. Stracka
Y. Suvorov
R. Tartaglia
G. Testera
A. Tonazzo
P. Trinchese
E.V. Unzhakov
M. Verducci
A. Vishneva
R.B. Vogelaar
M. Wada
T.J. Waldrop
H. Wang
Y. Wang
A.W. Watson
S. Westerdale
M.M. Wojcik
X. Xiang
X. Xiao
C. Yang
Z. Ye
C. Zhu
G. Zuzel
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physics.ins-det
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fractionmobilitychargedtextalphaargonchaincoincidences
read the original abstract
We report measurements of the charged daughter fraction of $^{218}$Po as a result of the $^{222}$Rn alpha decay, and the mobility of $^{218}$Po$^+$ ions, using radon-polonium coincidences from the $^{238}$U chain identified in 532 live-days of DarkSide-50 WIMP-search data. The fraction of $^{218}$Po that is charged is found to be 0.37$\pm$0.03 and the mobility of $^{218}$Po$^+$ is (8.6$\pm$0.1)$\times$10$^{-4}$$\frac{\text{cm}^2}{\text{Vs}}$.
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