Nuclear Science References (NSR)

RADIOACTIVITY ¹n(β^-); measured ultracold neutron (UCN) density, and UCN lifetime inside the storage bottles at Mainz, PSI, PF2 and SUN-2 systems; experimental comparison of the leading UCN sources currently operating using a standard UCN storage bottle with a volume of 32 liters suitable for search for a permanent electric-dipole moment of the neutron (nEDM), and for other studies of fundamental parameters of the neutron in searches for new charge-parity-violating processes or exotic interactions beyond the Standard Model of particle physics.

doi: 10.1103/PhysRevC.95.045503
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2017BO19 Phys.Rev. C 96, 035205 (2017)

V.Bondar, S.Chesnevskaya, M.Daum, B.Franke, P.Geltenbort, L.Goltl, E.Gutsmiedl, J.Karch, M.Kasprzak, G.Kessler, K.Kirch, H.-C.Koch, A.Kraft, T.Lauer, B.Lauss, E.Pierre, G.Pignol, D.Reggiani, P.Schmidt-Wellenburg, Yu.Sobolev, T.Zechlau, G.Zsigmond

Losses and depolarization of ultracold neutrons on neutron guide and storage materials

RADIOACTIVITY ¹n(β^-); measured wall losses, depolarization probabilities, storage time constants of ultracold neutrons (UCN) on various materials: nickel-molybdenum alloys, natural nickel, nickel-vanadium, copper, and deuterated polystyrene (dPS) at the Institut Laue-Langevin (ILL) and Paul Scherrer Institute (PSI); deduced optimal conditions for the transport of polarized and unpolarized UCN. Comparison with literature values.

doi: 10.1103/PhysRevC.96.035205
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2016BA63 Eur.Phys.J. A 52, 326 (2016)

G.Ban, G.Bison, K.Bodek, Z.Chowdhuri, P.Geltenbort, W.C.Griffith, V.Helaine, R.Henneck, M.Kasprzak, Y.Kermaidic, K.Kirch, S.Komposch, P.A.Koss, A.Kozela, J.Krempel, B.Lauss, T.Lefort, Y.Lemiere, A.Mtchedlishvili, M.Musgrave, O.Naviliat-Cuncic, F.M.Piegsa, E.Pierre, G.Pignol, G.Quemener, M.Rawlik, D.Ries, D.Rebreyend, S.Roccia, G.Rogel, P.Schmidt-Wellenburg, N.Severijns, E.Wursten, J.Zejma, G.Zsigmond

Ultracold neutron detection with ⁶Li-doped glass scintillators

doi: 10.1140/epja/i2016-16326-4
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2015AF03 Phys.Rev.Lett. 115, 162502 (2015)

S.Afach, N.J.Ayres, G.Ban, G.Bison, K.Bodek, Z.Chowdhuri, M.Daum, M.Fertl, B.Franke, W.C.Griffith, Z.D.Grujic, P.G.Harris, W.Heil, V.Helaine, M.Kasprzak, Y.Kermaidic, K.Kirch, P.Knowles, H.-C.Koch, S.Komposch, A.Kozela, J.Krempel, B.Lauss, T.Lefort, Y.Lemiere, A.Mtchedlishvili, M.Musgrave, O.Naviliat-Cuncic, J.M.Pendlebury, F.M.Piegsa, G.Pignol, C.Plonka-Spehr, P.N.Prashanth, G.Quemener, M.Rawlik, D.Rebreyend, D.Ries, S.Roccia, D.Rozpedzik, P.Schmidt-Wellenburg, N.Severijns, J.A.Thorne, A.Weis, E.Wursten, G.Wyszynski, J.Zejma, J.Zenner, G.Zsigmond

Observation of Gravitationally Induced Vertical Striation of Polarized Ultracold Neutrons by Spin-Echo Spectroscopy

doi: 10.1103/PhysRevLett.115.162502
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2015AF05 Eur.Phys.J. A 51, 143 (2015)

S.Afach, G.Ban, G.Bison, K.Bodek, Z.Chowdhuri, M.Daum, M.Fertl, B.Franke, P.Geltenbort, Z.D.Grujic, L.Hayen, V.Helaine, R.Henneck, M.Kasprzak, Y.Kermaidic, K.Kirch, S.Komposch, A.Kozela, J.Krempel, B.Lauss, T.Lefort, Y.Lemiere, A.Mtchedlishvili, O.Naviliat-Cuncic, F.M.Piegsa, G.Pignol, P.N.Prashanth, G.Quemener, M.Rawlik, D.Ries, D.Rebreyend, S.Roccia, D.Rozpedzik, P.Schmidt-Wellenburg, N.Severijns, A.Weis, E.Wursten, G.Wyszynski, J.Zejma, G.Zsigmond

A device for simultaneous spin analysis of ultracold neutrons

doi: 10.1140/epja/i2015-15143-7
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2015SC14 Phys.Rev. C 92, 024004 (2015)

P.Schmidt-Wellenburg, J.Bossy, E.Farhi, M.Fertl, K.K.H.Leung, A.Rahli, T.Soldner, O.Zimmer

Experimental study of ultracold neutron production in pressurized superfluid helium

RADIOACTIVITY ¹n(β^-); measured production of ultra-cold neutrons (UCN) in superfluid helium in the range from saturated vapor pressure to 20 bar, dependence of pressure on single- and multiphonon peaks, cold neutron (CN) time-of-flight spectra at the CN beam facility PF1b of the Institut Laue-Langevin; deduced CN-wavelength-dependent UCN production.

doi: 10.1103/PhysRevC.92.024004
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2014PI05 Phys.Rev. C 90, 015501 (2014)

F.M.Piegsa, M.Fertl, S.N.Ivanov, M.Kreuz, K.K.H.Leung, P.Schmidt-Wellenburg, T.Soldner, O.Zimmer

New source for ultracold neutrons at the Institut Laue-Langevin

RADIOACTIVITY ¹n(β^-); measured neutron wavelength spectrum by time-of-flight, UCN leakage rate, storage lifetime and UCN density, duty cycle of UCN source. Next generation intense ultra-cold neutron (UCN) source at the Institut Laue-Langevin, Grenoble.

doi: 10.1103/PhysRevC.90.015501
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2013GO03 Eur.Phys.J. A 49, 9 (2013)

L.Goltl, Z.Chowdhuri, M.Fertl, F.Gray, R.Henneck, K.Kirch, B.Lauss, T.Lefort, A.Mtchedlishvili, P.Schmidt-Wellenburg, G.Zsigmond