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Showing 1 to 12 of 27 entries
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Recent Bremsstrahlung-based assays of .

Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine

Keillor ME, Aalseth CE, Arnquist IJ, Eggemeyer TA, Fuller ES, Glasgow BD, Hoppe EW, Morley SM, Myers AW, Orrell JL, Overman CT, Seifert A, Shaff SM, Thommasson KS.
PMID: 28318931
Appl Radiat Isot. 2017 Aug;126:185-187. doi: 10.1016/j.apradiso.2017.03.001. Epub 2017 Mar 03.

Low-background lead for radiation measurement shielding is often assayed for

Development of a low-level .

Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine

Williams RM, Aalseth CE, Brandenberger JM, Day AR, Finn E, Fuller ES, Hoppe EW, Humble PH, Keillor ME, Mace EK, Myers AW, Overman CT, Panisko ME, Seifert A, White SK.
PMID: 28236555
Appl Radiat Isot. 2017 Aug;126:243-248. doi: 10.1016/j.apradiso.2017.02.018. Epub 2017 Feb 17.

This paper describes the generation of

³⁹Ar/Ar measurements using ultra-low background proportional counters.

Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine

Hall J, Aalseth CE, Bonicalzi RM, Brandenberger JM, Day AR, Humble PH, Mace EK, Panisko ME, Seifert A.
PMID: 26516993
Appl Radiat Isot. 2016 Jan;107:187-190. doi: 10.1016/j.apradiso.2015.10.006. Epub 2015 Oct 08.

Age-dating groundwater and seawater using the (39)Ar/Ar ratio is an important tool to understand water mass-flow rates and mean residence time. Low-background proportional counters developed at Pacific Northwest National Laboratory use mixtures of argon and methane as counting gas....

Comment on "Limits on the majorana neutrino mass in the 0.1 eV range".

Physical review letters

Avignone FT, Aalseth CE, Brodzinski RL.
PMID: 10991309
Phys Rev Lett. 2000 Jul 10;85(2):465. doi: 10.1103/PhysRevLett.85.465.

No abstract available.

Groundwater residence time estimates obscured by anthropogenic carbonate.

Science advances

Seltzer AM, Bekaert DV, Barry PH, Durkin KE, Mace EK, Aalseth CE, Zappala JC, Mueller P, Jurgens B, Kulongoski JT.
PMID: 33883137
Sci Adv. 2021 Apr 21;7(17). doi: 10.1126/sciadv.abf3503. Print 2021 Apr.

Groundwater is an important source of drinking and irrigation water. Dating groundwater informs its vulnerability to contamination and aids in calibrating flow models. Here, we report measurements of multiple age tracers (

Methods for using argon-39 to age-date groundwater using ultra-low-background proportional counting.

Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine

Mace E, Aalseth C, Brandenberger J, Day A, Hoppe E, Humble P, Keillor M, Kulongoski J, Overman C, Panisko M, Seifert A, White S, Wilcox Freeburg E, Williams R.
PMID: 28017500
Appl Radiat Isot. 2017 Aug;126:9-12. doi: 10.1016/j.apradiso.2016.12.037. Epub 2016 Dec 21.

Argon-39 can be used as a tracer for age-dating glaciers, oceans, and more recently, groundwater. With a half-life of 269 years,

Search for Neutrinoless Double-β Decay in ^{76}Ge with the Majorana Demonstrator.

Physical review letters

Aalseth CE, Abgrall N, Aguayo E, Alvis SI, Amman M, Arnquist IJ, Avignone FT, Back HO, Barabash AS, Barbeau PS, Barton CJ, Barton PJ, Bertrand FE, Bode T, Bos B, Boswell M, Bradley AW, Brodzinski RL, Brudanin V, Busch M, Buuck M, Caldwell AS, Caldwell TS, Chan YD, Christofferson CD, Chu PH, Collar JI, Combs DC, Cooper RJ, Cuesta C, Detwiler JA, Doe PJ, Dunmore JA, Efremenko Y, Ejiri H, Elliott SR, Fast JE, Finnerty P, Fraenkle FM, Fu Z, Fujikawa BK, Fuller E, Galindo-Uribarri A, Gehman VM, Gilliss T, Giovanetti GK, Goett J, Green MP, Gruszko J, Guinn IS, Guiseppe VE, Hallin AL, Haufe CR, Hehn L, Henning R, Hoppe EW, Hossbach TW, Howe MA, Jasinski BR, Johnson RA, Keeter KJ, Kephart JD, Kidd MF, Knecht A, Konovalov SI, Kouzes RT, LaFerriere BD, Leon J, Lesko KT, Leviner LE, Loach JC, Lopez AM, Luke PN, MacMullin J, MacMullin S, Marino MG, Martin RD, Massarczyk R, McDonald AB, Mei DM, Meijer SJ, Merriman JH, Mertens S, Miley HS, Miller ML, Myslik J, Orrell JL, O'Shaughnessy C, Othman G, Overman NR, Perumpilly G, Pettus W, Phillips DG, Poon AWP, Pushkin K, Radford DC, Rager J, Reeves JH, Reine AL, Rielage K, Robertson RGH, Ronquest MC, Ruof NW, Schubert AG, Shanks B, Shirchenko M, Snavely KJ, Snyder N, Steele D, Suriano AM, Tedeschi D, Tornow W, Trimble JE, Varner RL, Vasilyev S, Vetter K, Vorren K, White BR, Wilkerson JF, Wiseman C, Xu W, Yakushev E, Yaver H, Young AR, Yu CH, Yumatov V, Zhitnikov I, Zhu BX, Zimmermann S.
PMID: 29694188
Phys Rev Lett. 2018 Mar 30;120(13):132502. doi: 10.1103/PhysRevLett.120.132502.

The Majorana Collaboration is operating an array of high purity Ge detectors to search for neutrinoless double-β decay in ^{76}Ge. The Majorana Demonstrator comprises 44.1 kg of Ge detectors (29.7 kg enriched in ^{76}Ge) split between two modules contained...

A shallow underground laboratory for low-background radiation measurements and materials development.

The Review of scientific instruments

Aalseth CE, Bonicalzi RM, Cantaloub MG, Day AR, Erikson LE, Fast J, Forrester JB, Fuller ES, Glasgow BD, Greenwood LR, Hoppe EW, Hossbach TW, Hyronimus BJ, Keillor ME, Mace EK, McIntyre JI, Merriman JH, Myers AW, Overman CT, Overman NR, Panisko ME, Seifert A, Warren GA, Runkle RC.
PMID: 23206058
Rev Sci Instrum. 2012 Nov;83(11):113503. doi: 10.1063/1.4761923.

Pacific Northwest National Laboratory recently commissioned a new shallow underground laboratory, located at a depth of approximately 30 meters-water-equivalent. This new addition to the small class of radiation measurement laboratories located at modest underground depths houses the latest generation...

Distributed interactive virtual environments for collaborative experiential learning and training independent of distance over Internet2.

Studies in health technology and informatics

Alverson DC, Saiki SM, Jacobs J, Saland L, Keep MF, Norenberg J, Baker R, Nakatsu C, Kalishman S, Lindberg M, Wax D, Mowafi M, Summers KL, Holten JR, Greenfield JA, Aalseth E, Nickles D, Sherstyuk A, Haines K, Caudell TP.
PMID: 15544229
Stud Health Technol Inform. 2004;98:7-12.

Medical knowledge and skills essential for tomorrow's healthcare professionals continue to change faster than ever before creating new demands in medical education. Project TOUCH (Telehealth Outreach for Unified Community Health) has been developing methods to enhance learning by coupling...

Effects of an immunomodulatory feed additive on the development of mastitis in a mouse infection model using four bovine-origin isolates.

Animal : an international journal of animal bioscience

Rowson AD, Wang YQ, Aalseth E, Forsberg NE, Puntenney SB.
PMID: 22440767
Animal. 2011 Feb;5(2):220-9. doi: 10.1017/S1751731110001850.

The goal of this study was to examine the ability of a commercially available feed additive (OmniGen-AF) to reduce mammary infections caused by a single strain of mastitic pathogens (Streptococcus uberis, Escherichia coli, Staphylococcus aureus and Klebsiella pneumoniae) and...

Shielding concepts for low-background proportional counter arrays in surface laboratories.

Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine

Aalseth CE, Humble PH, Mace EK, Orrell JL, Seifert A, Williams RM.
PMID: 26720259
Appl Radiat Isot. 2016 Feb;108:92-99. doi: 10.1016/j.apradiso.2015.12.033. Epub 2015 Dec 09.

Development of ultra low background gas proportional counters has made the contribution from naturally occurring radioactive isotopes - primarily α and β activity in the uranium and thorium decay chains - inconsequential to instrumental sensitivity levels when measurements are...

Improving efficiency of breeding for higher crop yield.

TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik

Wallace DH, Baudoin JP, Beaver J, Coyne DP, Halseth DE, Masaya PN, Munger HM, Myers JR, Silbernagel M, Yourstone KS, Zobel RW.
PMID: 24193380
Theor Appl Genet. 1993 Mar;86(1):27-40. doi: 10.1007/BF00223805.

Exclusive selection for yield raises, the harvest index of self-pollinated crops with little or no gain in total bipmass. In addition to selection for yield, it is suggested that efficient breeding for higher yield requires simultaneous selection for yield's...

Showing 1 to 12 of 27 entries