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1. Removal of sulphate and arsenic from wastewater using calcium sulfoaluminate (ye’elimite)

Author

Nurmesniemi, E.-T. (Emma-Tuulia), Huhta, M. (Milla), Derkani, M. (Maryam), Isteri, V. (Visa), Hanein, T. (Theodore), Hu, T. (Tao), Tanskanen, P. (Pekka), Lassi, U. (Ulla), Nurmesniemi, E.-T. (Emma-Tuulia), Huhta, M. (Milla), Derkani, M. (Maryam), Isteri, V. (Visa), Hanein, T. (Theodore), Hu, T. (Tao), Tanskanen, P. (Pekka), and Lassi, U. (Ulla)

Abstract

Chemical precipitation is one of the most widely known methods for treatment of industrial wastewaters with high sulphate content, where sulphate can be precipitated as practically insoluble ettringite (Ca₆Al₂(SO₄)₃(OH)₁₂·26H₂O). This treatment method is also widely recognised for solidifying hazardous components and toxic elements e.g. arsenic in wastewater. In the ettringite precipitation process, lime and aluminium salts are typically used as starting materials, in stoichiometric amounts to form ettringite from the sulphate-containing water, leading to a pH rise to ∼11.5 and ettringite precipitation. In the current study, for the first time, ye’elimite mineral (Ca₄Al₆O₁₂SO₄), also known as calcium sulfoaluminate (CSA) in cements, is used in order to investigate its suitability to form ettringite precipitate from sulphate and arsenic containing synthetic wastewater and industrial wastewater solutions. The dissolution of ye’elimite prior to dosing, optimal precipitation pH, and arsenic co-precipitation were studied. The effluent and precipitates were characterized using X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM-EDS) and inductively coupled plasma atomic emission spectroscopy (ICP-OES). The results showed that high percentage of sulphate removal (98% in the synthetic wastewater and 87% in the industrial wastewater) can be achieved using ye’elimite as the aluminium source in ettringite precipitation. Additionally, up to 95% arsenic removal was achieved in arsenic co-precipitation experiments from the synthetic wastewater. The current developed technology can be used as a novel ecological and cost-effective approach for removal of sulphate and toxic elements from wastewater.

Published
2022

2. Sulfaatinpoisto jätevedestä ettringiittisaostuksella ja teollisuuden ettringiittiprosessit

Author

Huhta, M. (Milla) and Huhta, M. (Milla)

Abstract

Tiivistelmä. Eri teollisuudenalat tuottavat runsaasti sulfaattipitoista jätevettä ja veden sulfaattipitoisuutta on pienennettävä, jotta jätevesi saavuttaa sallitut päästörajat. Sulfaattia voidaan saostaa ettringiittinä hyvin emäksisissä olosuhteissa pH-alueella 10,5−13 kalsium- ja alumiini-ionien läsnä ollessa. Ettringiittisaostuksen suurimmat kustannukset aiheutuvat arvokkaiden alumiinireagenssien kulutuksesta. Ettringiittisaostuksen kustannuksia voidaan pienentää hyödyntämällä teollisuuden kalsium- ja alumiinipitoisia sivuvirtoja. Saostettua ettringiittiä voidaan hyödyntää myös adsorbenttina arseenin adsorptiossa. Ettringiittisaostuksen avulla voidaan pienentää myös jäteveden raskasmetallipitoisuutta, sillä ettringiitti kykenee sitomaan rakenteeseensa raskasmetallien oksoanioneja. Ettringiittisaostuksen kustannustehokkuutta voidaan parantaa teollisuuden sivuvirtojen hyödyntämisen lisäksi myös saostetun ettringiitin jälleenkäytöllä. Adsorbenttina käytettävän ettringiitin stabiilisuutta etenkin neutraaleissa ja happamissa olosuhteissa on tutkittava lisää. Teollisuuden ettringiittiprosessien tehokkuus kasvaa, jos sulfaattia voidaan poistaa uudelleenkäytettävässä muodossa. Saostetun ettringiitin hyödyntäminen eri käyttökohteissa vaatii kuitenkin lisää tutkimuksia. Tässä tutkielmassa perehdytään ettringiitin kemialliseen saostukseen teollisuuden jätevesien sulfaattipitoisuuden pienentämiseksi. Tutkielmassa käsitellään ettringiitin saostumisreaktioon vaikuttavia tekijöitä ja perehdytään ettringiittisaostuksen erilaisiin kalsium- ja alumiinireagensseihin. Tutkielma käsittelee myös teollisuuden kalsium- ja alumiinipitoisten sivuvirtojen hyödyntämistä kaupallisten reagenssien sijaan. Tutkittiin myös raskasmetallien poistoa jätevedestä ettringiittisaostuksen avulla. Tutkielmassa esitellään patentoituja ettringiittiprosesseja, jotka ovat käytössä teollisuuden sulfaattipitoisten jätevesien käsittelyssä.

Published
2021

4. The decay of the new neutron-rich isotope 217Bi

Author

Kurpeta, J., P\lochocki, A., Andreyev, A. N., Äystö, J., De Smet, A., De Witte, H., Evensen, A.-H., Fedoseyev, V., Franchoo, S., Górska, M., Huhta, M., Huyse, M., Janas, Z., Jokinen, A., Karny, M., Kugler, E., Kurcewicz, W., Köster, U., Lettry, J., Nieminen, A., Partes, K., Ramdhane, M., Ravn, H. L., Rykaczewski, K., Szerypo, J., Van de Vel, K., Van Duppen, P., Weissman, L., Walter, G., Wöhr, A., Collaboration, IS387, and Collaboration, ISOLDE

Published
2003
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5. Isomeric and ground-state decay of 215 Bi

Author

Kurpeta, J., Plochocki, A., Andreyev, A. N., Äystö, J., De Smet, A., Witte, H. De, Evensen, A.-H., Fedoseyev, V., Franchoo, S., Górska, M., Grawe, H., Huhta, M., Huyse, M., Janas, Z., Jokinen, A., Karny, M., Kugler, E., Kurcewicz, W., Köster, U., Lettry, J., Nieminen, A., Partes, K., Ramdhane, M., Ravn, H. L., Rykaczewski, K., Szerypo, J., Van de Vel, K., Van Duppen, P., Weissman, L., Walter, G., Wöhr, A., IS387 Collaboration, and ISOLDE Collaboration

Published
2003
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8. The decay of the neutron–rich nucleus 216Bi

Author

Kurpeta, J., Andreyev, A., Äystö, J., Evensen, A.-H., Huhta, M., Huyse, M., Jokinen, A., Karny, M., Kugler, E., Lettry, J., Nieminen, A., Płochocki, A., Ramdhane, M., Ravn, H.L., Rykaczewski, K., Szerypo, J., Van Duppen, P., Walter, G., Wöhr, A., and The ISOLDE Collaboration

Published
2000
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9. Performance of and possibilities at the Jyväskylä ion guide isotope separator on-line facility

Author

Dendooven, P., Benton, D. M., Béraud, R., Billowes, J., Campbell, P., Canchel, G., Chabanat, E., Cochrane, E. C. A., Cooke, J. L., Cooper, T. G., Emsallem, A., Evans, D. E., Forest, D. H., Grant, I. S., Griffith, J. A. R., Honkanen, A., Huhta, M., Huikari, J., Jokinen, A., Kilgallon, J., Kolhinen, V. S., Lhersonneau, G., Levins, J. M. G., Nieminen, A., Nummela, S., Oinonen, M., Pearson, M. R., Penttilä, H., Persson, J. R., Peräjärvi, K., Richardson, D. S., Tungate, G., Wang, J. C., Wheeler, P. D., Yeandle, G., Zybert, L., and Äystö, J.

Published
2000
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10. A new 400 ms isomer in125Ce→125La

Author

Béraud, R., Emsallem, A., Chabanat, E., Ducroux, L., Redon, N., Dendooven, P., Jokinen, A., Huhta, M., Oinonen, M., Äystö, J., Peräjärvi, K., Honkanen, A., Penttilä, H., and Wang, J. C.

Published
1998
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12. Mikromuovien poistaminen jätevedestä

Author

Huhta, M. (Milla)

Subjects
Chemistry
Abstract

Mikromuovit ovat yleinen ja ajankohtainen ongelma ympäristössä ja vesistöissä. Kestävyytensä ansiosta mikromuovit säilyvät ympäristössä pitkään, joten niiden pääsyä ympäristöön tulisi välttää. Mikromuoveilla on useita lähteitä. Kosmetiikka- ja teollisuustuotteet sisältävät primäärisiä mikromuoveja, jotka on tarkoituksellisesti tuotettu pienikokoisiksi muovikappaleiksi. Sekundäärisiä mikromuoveja syntyy suurten muovikappaleiden, kuten ajoneuvojen renkaiden kuluessa. Mikromuovit kulkeutuvat jätevesien ja kaupunkien viemäriverkostojen kautta jätevedenpuhdistamoille ja mahdollisesti edelleen vesistöihin. Mikromuoveja kulkeutuu ympäristöön ja vesistöihin jätevedenpuhdistamoiden lisäksi myös liikenteestä ja maataloudesta. Vesistöissä mikromuovit aiheuttavat mekaanisia, biologisia ja fysiologisia haittoja niitä syöville eliöille. Haitat eivät koske ainoastaan mikromuoveja nielleitä eliöitä, vaan mikromuovit kulkeutuvat ja rikastuvat ravintoketjun mukana eliöltä toiselle. Jotta mikromuoveja ja niiden poistamista jätevedestä voidaan tutkia, mikromuoveja täytyy analysoida kvalitatiivisesti ja kvantitatiivisesti. Mikromuovien analysointiin on olemassa useita menetelmiä, joiden avulla voidaan määrittää mikromuovien sisältämät polymeerit. Mikromuoveja voidaan poistaa jätevedestä jätevedenpuhdistamoissa useilla menetelmillä. Mikromuovien poistamiseen ei kuitenkaan ole standardoituja menetelmiä, joten mikromuovien poistamista jätevedestä on tutkittava lisää. Tässä tutkielmassa tarkastellaan mikromuovien tavallisimpia lähteitä sekä mikromuovien kulkeutumista jätevedenpuhdistamoihin ja edelleen vesistöihin. Lisäksi käsitellään mikromuovien aiheuttamia vaikutuksia vesieliöille ja veden laadulle. Tutkielmassa esitellään analyysitekniikoita mikromuovien tunnistamiseksi. Esiteltävät analyysitekniikat ovat optinen mikroskopia, FTIR- ja Raman-spektroskopia, Py-GC-MS sekä SEM/EDS. Tutkielmassa esitellään menetelmiä, joilla voidaan poistaa mikromuoveja jätevedestä. Käsiteltävät menetelmät ovat tiheyseroon perustuva erotus, kiekkosuodatus, hiekkasuodatus, korkeapaineflotaatio ja membraanibioreaktori.

Published
2019

14. Beta Decay of 111Tc to 111Ru

Author

Pfeiffer, B., Lhersonneau, G., Dendooven, P., Honkanen, A., Huhta, M., Klöckl, I., Oinonen, M., Penttilä, H., Persson, J.R., Peräjärvi, K., Wang, J.C., Kratz, K.-L., and Äystö, J.

Published
1998
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15. Decay of the odd-odd N = Z nuclide 78Y

Author

Uusitalo, J, Seweryniak, D, Mantica, PF, Rikovska, J, Brenner, DS, Huhta, M, Greene, J, Ressler, JJ, Tomlin, B, Davids, CN, Lister, CJ, and Walters, WB

Abstract

The odd-odd N = Z nuclide, 78Y has been produced in the 40Ca(40Ca,pn) reaction at 125 MeV. Recoiling fragments separated by their AIQ values were implanted onto the tape of a moving tape collector and transported to a shielded position between two plastic β detectors and two Ge γ-ray detectors where β-γ coincidences were recorded as a function of time. γ rays with energies of 279 (100%), 504 (90%), and 713 (40%) keV, previously identified as yrast transitions in daughter 78Sr, were observed and found to decay with a half-life of 5.8 (6) s. From the relative intensities of the γ-rays, a spin and parity of 5+ and T = 0 are assigned to the parent state in 78Y undergoing β decay. A production cross section of 4±1 μb has been determined for 78Y by comparison of the counting rates with those of other reaction products with known cross sections. An upper limit of 500 keV can be set for the energy of this level relative to a possible highly deformed T = 1 0+ ground state. From this limit, it can be inferred that T = 1 pn pairing is considerably quenched relative to such pairing in adjacent odd-odd N = Z 7‡Rb. Two-quasiparticle rotor model calculations have been used to account for the structure of 78Y and adjacent nuclides.

Published
2016
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18. The decay of the new neutron-rich isotope $^{217}$Bi

Author

Kurpeta, J., Plochocki, A., Andreyev, A.N., Aysto, J., de Smet, A., de Witte, H., Evensen, A.-H., Fedoseyev, V., Franchoo, S., Gorska, M., Huhta, M., Huyse, M., Janas, Z., Jokinen, A., Karny, M., Kugler, E., Kurcewicz, W., Koster, U., Lettry, J., Nieminen, A., Partes, K., Ramdhane, M., Ravn, H.L., Rykaczewski, K., Szerypo, J., van de Vel, K., van Duppen, P., Weissman, L., Walter, G., Wohr, A., Institut de Recherches Subatomiques (IReS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Cancéropôle du Grand Est-Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS), ISOLDE, and Heyd, Yvette

Subjects
[PHYS.NEXP] Physics [physics]/Nuclear Experiment [nucl-ex], [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex]
Published
2003

19. Isomeric and ground-state decay of $^{215}$Bi

Author

Kurpeta, J., Plochocki, A., Andreyev, A.N., Aysto, J., De Smet, A., De Witte, H., Evensen, A.-H., Fedoseyev, V., Franchoo, S., Gorska, M., Grawe, H., Huhta, M., Huyse, M., Janas, Z., Jokinen, A., Karny, M., Kugler, E., Kurcewicz, W., Koster, U., Lettry, J., Nieminen, A., Partes, K., Ramdhane, M., Ravn, H.L., Szerypo, J., Van De Vel, K., Van Duppen, P., Weissman, L., Walter, G., Wohr, A., Institut de Recherches Subatomiques (IReS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Cancéropôle du Grand Est-Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS), ISOLDE, and Heyd, Yvette

Subjects
[PHYS.NEXP] Physics [physics]/Nuclear Experiment [nucl-ex], [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex]
Published
2003

20. The decay of the neutron-rich nucleus $^{216}$Bi

Author

Kurpeta, J., Andreyev, A., Aysto, J., Evensen, A.-H., Huhta, M., Huyse, M., Jokinen, A., Karny, M., Kugler, E., Lettry, J., Nieminen, A., Plochocki, A., Ramdhane, M., Ravn, H.L., Rykaczewski, K., Szerypo, J., van Duppen, P., Walter, G., Wohr, A., Institut de Recherches Subatomiques (IReS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Cancéropôle du Grand Est-Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS), ISOLDE, and Heyd, Yvette

Subjects
[PHYS.NEXP] Physics [physics]/Nuclear Experiment [nucl-ex], [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex]
Published
2000

21. New evidence for deformation in $^{73}Zn$

Author

Huhta, M, Mantica, P F, Anthony, D W, Lofy, P A, Prisciandaro, J I, Ronningen, R M, Steiner, M, and Walters, W B

Subjects
Nuclear Physics
Published
1998

22. Performance and possibilities at the Jyvaeskylae ion guide isotope separator on line facility

Author

Dendooven, P., Benton, D.M., Béraud, R., Billowes, J., Campbell, P., Canchel, G., Chabanat, E., Cochrane, E.C.A., Cooke, J-L., Cooper, T.G., Emsallem, A., Evans, D.E., Forest, D.H., Grant, I.S., Griffith, J.A.R., Honkanen, A., Huhta, M., Huikari, J., Jokinen, A., Kilgallon, J., Kolhinen, V.S., Lhersonneau, G., Levins, J.M.G., Nieminen, A., Nummela, S., Oionen, M., Pearson, M.R., Penttilae, H., Persson, J-R., Peraejaervi, K., Richardson, D.S., Tungate, G., Wang, J-C., Wheeler, P.D., Yeandle, G., Zybert, L., Aystoe, J., Institut de Physique Nucléaire de Lyon (IPNL), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), and Flores, Sylvie

Subjects
[PHYS.NEXP] Physics [physics]/Nuclear Experiment [nucl-ex], [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex]
Published
1998

23. A new-pulsed release method for element selective production of neutron rich isotopes near $^{208}$Pb

Author

Van Duppen, P., Andreyev, A., Aysto, J., Evensen, A-H., Huhta, M., Huyse, M., Jokinen, A., Karny, M., Kugler, E., Kurpeta, J., Lettry, J., Nieminen, A., Plochocki, A., Ramdhane, M., Ravn, H-L., Rykaczewski, K., Szerypo, J., Walter, G., Wohr, A., Institut de Recherches Subatomiques (IReS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Cancéropôle du Grand Est-Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS), ISOLDE, and Heyd, Yvette

Subjects
[PHYS.NEXP] Physics [physics]/Nuclear Experiment [nucl-ex], [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex]
Published
1998

24. A thirty second isomer in Hf-171

Author

Campbell, P., Billowes, J., Cochrane, E. C. A., Cooke, J. L., Cooper, T. G., Dendooven, P., Evans, D. E., Grant, I. S., Griffith, J. A. R., Honkanen, A., Huhta, M., Markku Oinonen, Pearson, M. R., Penttila, H., Persson, J. R., Richardson, D. S., Tungate, G., Wheeler, P. D., Zybert, L., Aysto, J., and Research unit Medical Physics

Subjects
SEPARATION, ION GUIDE
Abstract

An isomer has been detected in Hf-171 with a half-life of T-1/2 = 29.5(9) s. The state was populated in the Yb-170(alpha,3n)Hf-171m reaction at a beam energy of E-alpha = 50 MeV in an on-line ion guide isotope separator. The isomeric Hf-17lm(+) beam was extracted from the ion guide, mass-analysed and implanted in the surface of a microchannel-plate. The half-life of the collected activity was measured from the decay of the microchannel-plate count rate. We associate the isomer with the first excited slate in Hf-171 with spin 1/2(-) at an excitation energy of 22(2) keV.

Published
1997

25. High-resolution study of the beta decay of Ti-41

Author

Honkanen, A., Dendooven, P., Huhta, M., Lhersonneau, G., Lipas, P. O., Markku Oinonen, Parmonen, J. M., Penttila, H., Perajarvi, K., Siiskonen, T., Aysto, J., and Research unit Medical Physics

Subjects
GAMOW-TELLER STRENGTH, SI-25, Ti-41(beta(+)) [from Ca-40(He-3, 2n), E = 40 MeV], measured beta-delayed E-p I-p, gamma spectra, gamma spectra Delta E(gas)E(Si) telescope, Si, hyperpure Ge and plastic scintillator detectors, deduced log ft Sc-41 deduced Gamow-Teller strength, isospin mixing, NUCLEI, DELAYED-PROTON DECAY, MG-21, SHELL, CA-37, OXBASH shell-model calculations, AR-33, Nuclear Experiment, EMISSION, DETECTOR
Abstract

An improved high-resolution study of the beta decay of Ti-41, produced in the Ca-40(He-3,2n) reaction at 40 MeV, has been performed at the Ion Guide Isotope Separator On-Line (IGISOL) facility. The beta-delayed radiation was detected by a low-energy charged-particle detector and a large Ge detector for gamma rays. The experimental beta-decay strength and its distribution, extracted from delayed-proton data, are compared with results of shell-model calculations in the sdfp space. The lowest J(pi) 3(+)/2, T = 3/2 state in (41) Sc, the isobaric analogue state of the Ti-41 ground state, is estimated to contain 10% isospin impurity. (C) 1997 Elsevier Science B.V.

Published
1997

26. First observation of beta decay of Nb-108 to Mo-108

Author

Penttila, H., Dendooven, P., Honkanen, A., Huhta, M., Lhersonneau, G., Markku Oinonen, Parmonen, J. M., Perajarvi, K., Aysto, J., Kurpeta, J., Persson, J. R., and Research unit Medical Physics

Subjects
DEFORMATION, ISOTOPES, FISSION, REGION
Abstract

The beta-delayed gamma decay of Nb-108 has been studied using the on-line mass-separator technique. The measured beta-decay half-life 0.20+/-0.03 s agrees with the previous measurement based on beta-delayed neutron detection. The lifetime of the first 2(+) stale in Mo-108 was measured to be 0.5+/-0.3 ns, which is consistent with a deformation beta approximate to 0.4. Spin and parity of 2(+) are suggested for the ground state of Nb-108.

Published
1996

27. First observation of nonyrast levels in Zr-103 and level systematics of N=63 Sr, Zr, and Mo isotones

Author

Lhersonneau, G., Dendooven, P., Honkanen, A., Huhta, M., Markku Oinonen, Penttila, H., Aysto, J., Kurpeta, J., Persson, J. R., Popov, A., and Research unit Medical Physics

Subjects
NUCLEI, COLLECTIVE STRUCTURE, DEFORMATION, ROTATIONAL BANDS, ISOTOPES, FISSION, REGION
Abstract

The beta decay of the very-neutron-rich nucleus Y-103 has been studied at the isotope separator IGISOL, allowing for the first time the observation of nonyrast levels in its daughter Zr-103(40)63. The level structure is similar to that of its isotones Sr-101 and Mo-105, suggesting a targe ground-state deformation of beta similar or equal to 0.4. Level systematics allows for new level assignments in both Zr-103 and Mo-105.

Published
1996

28. Decays of the Y-97 isomers to the single neutron nucleus Zr-97

Author

Lhersonneau, G., Dendooven, P., Hankonen, S., Honkanen, A., Huhta, M., Julin, R., Juutinen, S., Markku Oinonen, Penttila, H., Savelius, A., Tormanen, S., Aysto, J., Butler, P. A., Cocks, J. F. C., Jones, P. M., Smith, J. F., and Research unit Medical Physics

Subjects
COEXISTENCE, STATES, DEFORMATION, Nuclear Theory, SR-97, PICOSECOND LIFETIME MEASUREMENTS, Nuclear Experiment, REGION
Abstract

The decays of the 9/2(+) and of the three-quasiparticle high spin isomer in Y-97 have been investigated following on-line mass separation with the ion-guide technique. Spins and parities for several of the lowest-lying levels in the daughter nucleus Zr-97 are revised and configurations are proposed. In particular, the 2264 keV level is identified as the h(11/2) single-neutron level. The population of a cascade on top of the h(11/2) level provides evidence for Gamow-Teller beta decay of the high-spin Y-97 isomer. Levels and transition rates are qualitatively well reproduced by regarding Zr-97 as a single-neutron nucleus with respect to the doubly closed Zr-96 core.

Published
1996

30. E2 polarization charge in Sn-102

Author

Lipoglavsek, M, Seweryniak, D, Davids, CN, Fahlander, C, Gorska, M, Janssens, RVF, Nyberg, J, Uusitalo, J, Walters, WB, Ahmad, I, Blomqvist, J, Carpenter, MP, Cizewski, JA, Fischer, SM, Grawe, H, Hackman, G, Huhta, M, Lister, CJ, Nisius, D, Poli, G, Reiter, P, Ressler, J, Schw, Lipoglavsek, M, Seweryniak, D, Davids, CN, Fahlander, C, Gorska, M, Janssens, RVF, Nyberg, J, Uusitalo, J, Walters, WB, Ahmad, I, Blomqvist, J, Carpenter, MP, Cizewski, JA, Fischer, SM, Grawe, H, Hackman, G, Huhta, M, Lister, CJ, Nisius, D, Poli, G, Reiter, P, Ressler, J, and Schw

Abstract

The nucleus Sn-102, which is the lightest Sn isotope with known excited states, was investigated with the Cr-50(Ni-58, alpha 2n) reaction using delayed in-beam gamma-ray and conversion-electron spectroscopy. The experimental setup was designed to study th, Addresses: Lipoglavsek M, Univ Lund, Dept Phys, Div Cosm & Subatom Phys, Solvegatan 14, Lund, Sweden. Univ Lund, Dept Phys, Div Cosm & Subatom Phys, Lund, Sweden. Jozef Stefan Inst, Ljubljana, Slovenia. Argonne Natl Lab, Argonne, IL 60439 USA. Univ Maryla

Published
1998

31. βdecayingT1/2=3.4s isomer in69Ni

Author

Prisciandaro, J. I., primary, Mantica, P. F., additional, Oros-Peusquens, A. M., additional, Anthony, D. W., additional, Huhta, M., additional, Lofy, P. A., additional, and Ronningen, R. M., additional

Published
1999
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32. β-delayed neutron decay of 104Y, 112Tc, 113Tc and 114Tc: test of half-life predictions for neutron-rich isotopes of refractory elements

Author

Wang, J.C., primary, Dendooven, P., additional, Hannawald, M., additional, Honkanen, A., additional, Huhta, M., additional, Jokinen, A., additional, Kratz, K.-L., additional, Lhersonneau, G., additional, Oinonen, M., additional, Penttilä, H., additional, Peräjärvi, K., additional, Pfeiffer, B., additional, and Äystö, J., additional

Published
1999
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34. New evidence for deformation in73Zn

Author

Huhta, M., primary, Mantica, P. F., additional, Anthony, D. W., additional, Lofy, P. A., additional, Prisciandaro, J. I., additional, Ronningen, R. M., additional, Steiner, M., additional, and Walters, W. B., additional

Published
1998
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35. E2 polarization charge in Sn

Author

Lipoglavšek, M., primary, Seweryniak, D., additional, Davids, C.N., additional, Fahlander, C., additional, Górska, M., additional, Janssens, R.V.F., additional, Nyberg, J., additional, Uusitalo, J., additional, Walters, W.B., additional, Ahmad, I., additional, Blomqvist, J., additional, Carpenter, M.P., additional, Cizewski, J.A., additional, Fischer, S.M., additional, Grawe, H., additional, Hackman, G., additional, Huhta, M., additional, Lister, C.J., additional, Nisius, D., additional, Poli, G., additional, Reiter, P., additional, Ressler, J., additional, Schwartz, J., additional, and Sonzogni, A., additional

Published
1998
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36. Level structure of99Nb

Author

Lhersonneau, G., primary, Suhonen, J., additional, Dendooven, P., additional, Honkanen, A., additional, Huhta, M., additional, Jones, P., additional, Julin, R., additional, Juutinen, S., additional, Oinonen, M., additional, Penttilä, H., additional, Persson, J. R., additional, Peräjärvi, K., additional, Savelius, A., additional, Wang, J. C., additional, Äystö, J., additional, Brant, S., additional, Paar, V., additional, and Vretenar, D., additional

Published
1998
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38. Decay of the odd-oddN=Znuclide78Y

Author

Uusitalo, J., primary, Seweryniak, D., additional, Mantica, P. F., additional, Rikovska, J., additional, Brenner, D. S., additional, Huhta, M., additional, Greene, J., additional, Ressler, J. J., additional, Tomlin, B., additional, Davids, C. N., additional, Lister, C. J., additional, and Walters, W. B., additional

Published
1998
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39. Improved ion guide for heavy-ion fusion–evaporation reactions

Author

Dendooven, P, primary, Béraud, R, additional, Chabanat, E, additional, Emsallem, A, additional, Honkanen, A, additional, Huhta, M, additional, Jokinen, A, additional, Lhersonneau, G, additional, Oinonen, M, additional, Penttilä, H, additional, Peräjärvi, K, additional, Wang, J.C, additional, and Äystö, J, additional

Published
1998
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40. A new pulsed release method for element selective production of neutron rich isotopes near 208Pb

Author

Van Duppen, P., primary, Andreyev, A., additional, Äystö, J., additional, Evensen, A.-H., additional, Huhta, M., additional, Huyse, M., additional, Jokinen, A., additional, Karny, M., additional, Kugler, E., additional, Kurpeta, J., additional, Lettry, J., additional, Nieminen, A., additional, Plochocki, A., additional, Ramdhane, M., additional, Ravn, H.L., additional, Rykaczewski, K., additional, Szerypo, J., additional, Walter, G., additional, and Wöhr, A., additional

Published
1998
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41. Neutron-rich nuclei produced in intermediate energy fission

Author

Dendooven, P., primary, Hankonen, S., additional, Honkanen, A., additional, Huhta, M., additional, Jokinen, A., additional, Lhersonneau, G., additional, Oinonen, M., additional, Penttilä, H., additional, Rubchenya, V. A., additional, Wang, J. C., additional, and Äystö, J., additional

Published
1998
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42. Isospin nonconserving effects in light,

Author

Mantica, P. F., primary, Anthony, D. W., additional, Brown, B. A., additional, Davids, B., additional, Georgiev, G., additional, Huhta, M., additional, Ibbotson, R. W., additional, Lofy, P. A., additional, Prisciandaro, J. I., additional, and Steiner, M., additional

Published
1998
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43. Production and identification of new, neutron-rich nuclei in the

Author

Rykaczewski, K., primary, Kurpeta, J., additional, Płochocki, A., additional, Karny, M., additional, Szerypo, J., additional, Evensen, A.-H., additional, Kugler, E., additional, Lettry, J., additional, Ravn, H., additional, VanDuppen, P., additional, Andreyev, A., additional, Huyse, M., additional, Wöhr, A., additional, Jokinen, A., additional, Äystö, J., additional, Nieminen, A., additional, Huhta, M., additional, Ramdhane, M., additional, Walter, G., additional, and Hoff, P., additional

Published
1998
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44. The fission ion guide: Present performance and future development

Author

Dendooven, P., primary, Hankonen, S., additional, Honkanen, A., additional, Huhta, M., additional, Huikari, J., additional, Jokinen, A., additional, Kolhinen, V. S., additional, Lhersonneau, G., additional, Nieminen, A., additional, Oinonen, M., additional, Penttilä, H., additional, Peräjärvi, K., additional, Wang, J. C., additional, and Äystö, J., additional

Published
1998
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45. Decays of very neutron-rich fission products

Author

Kurpeta, J., primary, Plochocki, A., additional, Lhersonneau, G., additional, Wang, J. C., additional, Dendooven, P., additional, Honkanen, A., additional, Huhta, M., additional, Oinonen, M., additional, Penttilä, H., additional, Peräjärvi, K., additional, Persson, J. R., additional, and Äystö, J., additional

Published
1998
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46. Studies of neutron-rich nuclei at the JYFL-IGISOL

Author

Lhersonneau, G., primary, Dendooven, P., additional, Hankonen, S., additional, Honkanen, A., additional, Huhta, M., additional, Oinonen, M., additional, Penttilä, H., additional, Peräjärvi, K., additional, Wang, J. C., additional, and Äystö, J., additional

Published
1998
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47. Decay studies of neutron-rich

Author

Prisciandaro, J. I., primary, Mantica, P. F., additional, Anthony, D. W., additional, Huhta, M., additional, Lofy, P. A., additional, Ronningen, R. M., additional, Steiner, M., additional, and Walters, W. B., additional

Published
1998
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48. New interpretation of shape coexistence in99Zr

Author

Lhersonneau, G., primary, Dendooven, P., additional, Honkanen, A., additional, Huhta, M., additional, Jones, P. M., additional, Julin, R., additional, Juutinen, S., additional, Oinonen, M., additional, Penttilä, H., additional, Persson, J. R., additional, Peräjärvi, K., additional, Savelius, A., additional, Wang, J. C, additional, and Äystö, J., additional

Published
1997
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49. First measurement of radioisotopes by collinear laser spectroscopy at an ion-guide separator

Author

Cooke, J L, primary, Billowes, J, additional, Campbell, P, additional, Cochrane, E C A, additional, Cooper, T G, additional, Dendooven, P, additional, Evans, D E, additional, Griffith, J A R, additional, Grant, I S, additional, Honkanen, A, additional, Huhta, M, additional, Levins, J M G, additional, Oinonen, M, additional, Pearson, M R, additional, Penttilä, H, additional, Persson, J R, additional, Richardson, D S, additional, Tungate, G, additional, Wheeler, P D, additional, Zybert, L, additional, and Äystö, J, additional

Published
1997
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50. High-resolution study of the beta decay of 41Ti

Author

Honkanen, A., primary, Dendooven, P., additional, Huhta, M., additional, Lhersonneau, G., additional, Lipas, P.O., additional, Oinonen, M., additional, Parmonen, J.-M., additional, Penttilä, H., additional, Peräjärvi, K., additional, Siiskonen, T., additional, and Äystö, J., additional

Published
1997
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