| Title: | Removing krypton from xenon by cryogenic distillation to the ppq level |
Authors: | Aprile, E.
Aalbers, J.
Agostini, F.
Alfonsi, M.
Amaro, F. D.
Anthony, M.
Arneodo, F.
Barrow, P.
Baudis, L.
Bauermeister, B.
Benabderrahmane, M. L.
Berger, T.
Breur, P. A.
Brown, A.
Brown, E.
Bruenner, S.
Bruno, G.
Budnik, R.
Bütikofer, L.
Calvén, J.
Cardoso, J. M. R.
Cervantes, M.
Cichon, D.
Coderre, D.
Colijn, A. P.
Conrad, J.
Cussonneau, J. P.
Decowski, M. P.
de Perio, P.
Di Gangi, P.
Di Giovanni, A.
Diglio, S.
Duchovni, E.
Eurin, G.
Fei, J.
Ferella, A. D.
Fieguth, A.
Franco, D.
Fulgione, W.
Gallo Rosso, A.
Galloway, M.
Gao, F.
Garbini, M.
Geis, C.
Goetzke, L. W.
Grandi, L.
Greene, Z.
Grignon, C.
Hasterok, C.
Hogenbirk, E.
Huhmann, C.
Itay, R.
Kaminsky, B.
Kessler, G.
Kish, A.
Landsman, H.
Lang, R. F.
Lellouch, D.
Levinson, L.
Calloch, M. Le
Lin, Q.
Lindemann, S.
Lindner, M.
Lopes, J. A. M.
Manfredini, A.
Maris, I.
Undagoitia, T. Marrodán
Masbou, J.
Massoli, F. V.
Masson, D.
Mayani, D.
Meng, Y.
Messina, M.
Micheneau, K.
Miguez, B.
Molinario, A.
Murra, M.
Naganoma, J.
Ni, K.
Oberlack, U.
Orrigo, S. E. A.
Pakarha, P.
Pelssers, B.
Persiani, R.
Piastra, F.
Pienaar, J.
Piro, M. -C.
Pizzella, V.
Plante, G.
Priel, N.
Rauch, L.
Reichard, S.
Reuter, C.
Rizzo, A.
Rosendahl, S.
Rupp, N.
Saldanha, R.
Santos, J. M. F. dos
Sartorelli, G.
Scheibelhut, M.
Schindler, S.
Schreiner, J.
Schumann, M.
Lavina, L. Scotto
Selvi, M.
Shagin, P.
Shockley, E.
Silva, M.
Simgen, H.
Sivers, M. v.
Stein, A.
Thers, D.
Tiseni, A.
TRINCHERO, GIAN CARLO
Tunnell, C.
Upole, N.
Wang, H.
Wei, Y.
Weinheimer, C.
Wulf, J.
Ye, J.
Zhang, Y.
Cristescu, I. |
Issue Date: | 2017 |
Journal: | THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS |
Number: | 77 |
Issue: | 5 |
First Page: | 275 |
Abstract: | The XENON1T experiment aims for the direct detection of dark matter in a detector filled with 3.3 tons of liquid xenon. In order to achieve the desired sensitivity, the background induced by radioactive decays inside the detector has to be sufficiently low. One major contributor is the β -emitter ^{85}Kr which is present in the xenon. For XENON1T a concentration of natural krypton in xenon ^{nat}Kr/Xe < 200 ppq (parts per quadrillion, 1 ppq =10^{-15} mol/mol) is required. In this work, the design, construction and test of a novel cryogenic distillation column using the common McCabe-Thiele approach is described. The system demonstrated a krypton reduction factor of 6.4\cdot 10^5 with thermodynamic stability at process speeds above 3 kg/h. The resulting concentration of ^{nat}Kr/Xe<26 ppq is the lowest ever achieved, almost one order of magnitude below the requirements for XENON1T and even sufficient for future dark matter experiments using liquid xenon, such as XENONnT and DARWIN. |
URI: | http://hdl.handle.net/20.500.12386/30207 |
URL: | https://link.springer.com/article/10.1140%2Fepjc%2Fs10052-017-4757-1 |
ISSN: | 1434-6044 |
DOI: | 10.1140/epjc/s10052-017-4757-1 |
Bibcode ADS: | 2017EPJC...77..275A |
Fulltext: | open |
| Appears in Collections: | 1.01 Articoli in rivista
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