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23 results on '"Moukaddam, M."'

1. Improved measurement of the 02+→01+E0 transition strength for Se72 using the SPICE spectrometer

Author

Smallcombe, J., primary, Garnsworthy, A. B., additional, Korten, W., additional, Singh, P., additional, Ali, F. A., additional, Andreoiu, C., additional, Ansari, S., additional, Ball, G. C., additional, Barton, C. J., additional, Bhattacharjee, S. S., additional, Bowry, M., additional, Caballero-Folch, R., additional, Chester, A., additional, Gillespie, S. A., additional, Grinyer, G. F., additional, Hackman, G., additional, Jones, C., additional, Melon, B., additional, Moukaddam, M., additional, Nannini, A., additional, Ruotsalainen, P., additional, Starosta, K., additional, Svensson, C. E., additional, Wadsworth, R., additional, and Williams, J., additional

Published
2022
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2. (Li6, d) and (Li6, t) reactions on Ne22 and implications for s -process nucleosynthesis

Author

Ota, S., primary, Christian, G., additional, Catford, W. N., additional, Lotay, G., additional, Pignatari, M., additional, Battino, U., additional, Bennett, E. A., additional, Dede, S., additional, Doherty, D. T., additional, Hallam, S., additional, Herwig, F., additional, Hooker, J., additional, Hunt, C., additional, Jayatissa, H., additional, Matta, A., additional, Moukaddam, M., additional, Rao, E., additional, Rogachev, G. V., additional, Saastamoinen, A., additional, Scriven, D., additional, Tostevin, J. A., additional, Upadhyayula, S., additional, and Wilkinson, R., additional

Published
2021
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3. New constraints on the Al25(p,γ) reaction and its influence on the flux of cosmic γ rays from classical nova explosions

Author

Canete, L., primary, Lotay, G., additional, Christian, G., additional, Doherty, D. T., additional, Catford, W. N., additional, Hallam, S., additional, Seweryniak, D., additional, Albers, H. M., additional, Almaraz-Calderon, S., additional, Bennett, E. A., additional, Carpenter, M. P., additional, Chiara, C. J., additional, Greene, J. P., additional, Hoffman, C. R., additional, Janssens, R. V. F., additional, José, J., additional, Kankainen, A., additional, Lauritsen, T., additional, Matta, A., additional, Moukaddam, M., additional, Ota, S., additional, Saastamoinen, A., additional, Wilkinson, R., additional, and Zhu, S., additional

Published
2021
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4. High-precision branching ratio measurement and spin assignment implications for Ga62 superallowed β decay

Author

MacLean, A. D., primary, Laffoley, A. T., additional, Svensson, C. E., additional, Ball, G. C., additional, Leslie, J. R., additional, Andreoiu, C., additional, Babu, A., additional, Bhattacharjee, S. S., additional, Bidaman, H., additional, Bildstein, V., additional, Burbadge, C., additional, Bowry, M., additional, Cheng, C., additional, Cross, D. S., additional, Diaz-Varela, A., additional, Dillmann, I., additional, Dunlop, M. R., additional, Dunlop, R., additional, Evitts, L. J., additional, Finlay, P., additional, Gillespie, S., additional, Garnsworthy, A. B., additional, Garrett, P. E., additional, Gopaul, E., additional, Griffin, C. J., additional, Grinyer, G. F., additional, Hackman, G., additional, Henderson, J., additional, Jigmeddorj, B., additional, Leach, K. G., additional, Kassanda, E., additional, McAfee, J., additional, Moukaddam, M., additional, Natzke, C., additional, Nittala, S., additional, Olaizola, B., additional, Park, J., additional, Paxman, C., additional, Pore, J. L., additional, Porzio, C., additional, Radich, A. J., additional, Ruotsalainen, P., additional, Saito, Y., additional, Sharma, S., additional, Smallcombe, J., additional, Smith, J. K., additional, Sultana, R., additional, Turko, J., additional, Williams, J., additional, Yates, D., additional, and Zidar, T., additional

Published
2020
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5. Spectroscopic study of Ca47 from the β− decay of K47

Author

Smith, J. K., primary, Garnsworthy, A. B., additional, Pore, J. L., additional, Andreoiu, C., additional, MacLean, A. D., additional, Chester, A., additional, Beadle, Z., additional, Ball, G. C., additional, Bender, P. C., additional, Bildstein, V., additional, Braid, R., additional, Varela, A. Diaz, additional, Dunlop, R., additional, Evitts, L. J., additional, Garrett, P. E., additional, Hackman, G., additional, Ilyushkin, S. V., additional, Jigmeddorj, B., additional, Kuhn, K., additional, Laffoley, A. T., additional, Leach, K. G., additional, Miller, D., additional, Mills, W. J., additional, Moore, W., additional, Moukaddam, M., additional, Olaizola, B., additional, Peters, E. E., additional, Radich, A. J., additional, Rand, E. T., additional, Sarazin, F., additional, Svensson, C. E., additional, Williams, S. J., additional, and Yates, S. W., additional

Published
2020
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6. Single-particle structure in neutron-rich Sr isotopes approaching the N=60 shape transition

Author

Cruz, S., primary, Wimmer, K., additional, Bhattacharjee, S. S., additional, Bender, P. C., additional, Hackman, G., additional, Krücken, R., additional, Ames, F., additional, Andreoiu, C., additional, Austin, R. A. E., additional, Bancroft, C. S., additional, Braid, R., additional, Bruhn, T., additional, Catford, W. N., additional, Cheeseman, A., additional, Chester, A., additional, Cross, D. S., additional, Diget, C. Aa., additional, Drake, T., additional, Garnsworthy, A. B., additional, Kanungo, R., additional, Knapton, A., additional, Korten, W., additional, Kuhn, K., additional, Lassen, J., additional, Laxdal, R., additional, Marchetto, M., additional, Matta, A., additional, Miller, D., additional, Moukaddam, M., additional, Orr, N. A., additional, Sachmpazidi, N., additional, Sanetullaev, A., additional, Svensson, C. E., additional, Terpstra, N., additional, Unsworth, C., additional, and Voss, P. J., additional

Published
2020
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7. Detailed spectroscopy of Ca46 : A study of the β− decay of K46

Author

Pore, J. L., primary, Andreoiu, C., additional, Smith, J. K., additional, MacLean, A. D., additional, Chester, A., additional, Holt, J. D., additional, Ball, G. C., additional, Bender, P. C., additional, Bildstein, V., additional, Braid, R., additional, Diaz Varela, A., additional, Dunlop, R., additional, Evitts, L. J., additional, Garnsworthy, A. B., additional, Garrett, P. E., additional, Hackman, G., additional, Ilyushkin, S. V., additional, Jigmeddorj, B., additional, Kuhn, K., additional, Kunz, P., additional, Laffoley, A. T., additional, Leach, K. G., additional, Miller, D., additional, Mills, W. J., additional, Moore, W., additional, Moukaddam, M., additional, Morrison, L. N., additional, Olaizola, B., additional, Peters, E. E., additional, Radich, A. J., additional, Rand, E. T., additional, Sarazin, F., additional, Southall, D., additional, Svensson, C. E., additional, Williams, S. J., additional, and Yates, S. W., additional

Published
2019
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8. Single-particle structure of neutron-rich Sr isotopes via H2(Sr94,95,96, p) reactions

Author

Cruz, S., primary, Wimmer, K., additional, Bender, P. C., additional, Krücken, R., additional, Hackman, G., additional, Ames, F., additional, Andreoiu, C., additional, Austin, R. A. E., additional, Bancroft, C. S., additional, Braid, R., additional, Bruhn, T., additional, Catford, W. N., additional, Cheeseman, A., additional, Chester, A., additional, Cross, D. S., additional, Diget, C. Aa., additional, Drake, T., additional, Garnsworthy, A. B., additional, Kanungo, R., additional, Knapton, A., additional, Korten, W., additional, Kuhn, K., additional, Lassen, J., additional, Laxdal, R., additional, Marchetto, M., additional, Matta, A., additional, Miller, D., additional, Moukaddam, M., additional, Orr, N. A., additional, Sachmpazidi, N., additional, Sanetullaev, A., additional, Svensson, C. E., additional, Terpstra, N., additional, Unsworth, C., additional, and Voss, P. J., additional

Published
2019
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9. Shell evolution approaching the N=20 island of inversion: Structure of Mg29

Author

Matta, A., primary, Catford, W. N., additional, Orr, N. A., additional, Henderson, J., additional, Ruotsalainen, P., additional, Hackman, G., additional, Garnsworthy, A. B., additional, Delaunay, F., additional, Wilkinson, R., additional, Lotay, G., additional, Tsunoda, Naofumi, additional, Otsuka, Takaharu, additional, Knapton, A. J., additional, Ball, G. C., additional, Bernier, N., additional, Burbadge, C., additional, Chester, A., additional, Cross, D. S., additional, Cruz, S., additional, Diget, C. Aa., additional, Domingo, T., additional, Drake, T. E., additional, Evitts, L. J., additional, Garcia, F. H., additional, Hallam, S., additional, MacConnachie, E., additional, Moukaddam, M., additional, Muecher, D., additional, Padilla-Rodal, E., additional, Paetkau, O., additional, Park, J., additional, Pore, J. L., additional, Rizwan, U., additional, Smallcombe, J., additional, Smith, J. K., additional, Starosta, K., additional, Svensson, C. E., additional, Williams, J., additional, and Williams, M., additional

Published
2019
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10. E0 transition strength in stable Ni isotopes

Author

Evitts, L. J., primary, Garnsworthy, A. B., additional, Kibédi, T., additional, Smallcombe, J., additional, Reed, M. W., additional, Stuchbery, A. E., additional, Lane, G. J., additional, Eriksen, T. K., additional, Akber, A., additional, Alshahrani, B., additional, de Vries, M., additional, Gerathy, M. S. M., additional, Holt, J. D., additional, Lee, B. Q., additional, McCormick, B. P., additional, Mitchell, A. J., additional, Moukaddam, M., additional, Mukhopadhyay, S., additional, Palalani, N., additional, Palazzo, T., additional, Peters, E. E., additional, Ramirez, A. P. D., additional, Tornyi, T., additional, and Yates, S. W., additional

Published
2019
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11. Observation of excited states in Mg20 sheds light on nuclear forces and shell evolution

Author

Randhawa, J. S., primary, Kanungo, R., additional, Holl, M., additional, Holt, J. D., additional, Navrátil, P., additional, Stroberg, S. R., additional, Hagen, G., additional, Jansen, G. R., additional, Alcorta, M., additional, Andreoiu, C., additional, Barnes, C., additional, Burbadge, C., additional, Burke, D., additional, Chen, A. A., additional, Chester, A., additional, Christian, G., additional, Cruz, S., additional, Davids, B., additional, Even, J., additional, Hackman, G., additional, Henderson, J., additional, Ishimoto, S., additional, Jassal, P., additional, Kaur, S., additional, Keefe, M., additional, Kisliuk, D., additional, Krücken, R., additional, Liang, J., additional, Lighthall, J., additional, McGee, E., additional, Measures, J., additional, Moukaddam, M., additional, Padilla-Rodal, E., additional, Shotter, A., additional, Thompson, I. J., additional, Turko, J., additional, Williams, M., additional, and Workman, O., additional

Published
2019
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12. Lifetimes of low-lying excited states in Kr503686

Author

Henderson, J., primary, Chester, A., additional, Ball, G. C., additional, Caballero-Folch, R., additional, Domingo, T., additional, Drake, T. E., additional, Evitts, L. J., additional, Garnsworthy, A. B., additional, Hackman, G., additional, Hallam, S., additional, Moukaddam, M., additional, Ruotsalainen, P., additional, Smallcombe, J., additional, Smith, J. K., additional, Starosta, K., additional, Svensson, C. E., additional, and Williams, J., additional

Published
2018
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13. High-precision half-life determination for Na21 using a 4π gas-proportional counter

Author

Finlay, P., primary, Laffoley, A. T., additional, Ball, G. C., additional, Bender, P. C., additional, Dunlop, M. R., additional, Dunlop, R., additional, Hackman, G., additional, Leslie, J. R., additional, MacLean, A. D., additional, Miller, D., additional, Moukaddam, M., additional, Olaizola, B., additional, Severijns, N., additional, Smith, J. K., additional, Southall, D., additional, and Svensson, C. E., additional

Published
2017
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14. Recoil distance method lifetime measurement of the 21+ state in Sr94 and implications for the structure of neutron-rich Sr isotopes

Author

Chester, A., primary, Ball, G. C., additional, Caballero-Folch, R., additional, Cross, D. S., additional, Cruz, S., additional, Domingo, T., additional, Drake, T. E., additional, Garnsworthy, A. B., additional, Hackman, G., additional, Hallam, S., additional, Henderson, J., additional, Henderson, R., additional, Korten, W., additional, Krücken, R., additional, Moukaddam, M., additional, Olaizola, B., additional, Ruotsalainen, P., additional, Smallcombe, J., additional, Starosta, K., additional, Svensson, C. E., additional, Williams, J., additional, and Wimmer, K., additional

Published
2017
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15. Spectroscopy of Fe61 via the neutron transfer reaction H2(Fe60,p)Fe*61

Author

Giron, S., primary, Hammache, F., additional, de Séréville, N., additional, Roussel, P., additional, Burgunder, J., additional, Moukaddam, M., additional, Beaumel, D., additional, Caceres, L., additional, Duchêne, G., additional, Clément, E., additional, Fernandez-Dominguez, B., additional, Flavigny, F., additional, de France, G., additional, Franchoo, S., additional, Galaviz-Redondo, D., additional, Gasques, L., additional, Gibelin, J., additional, Gillibert, A., additional, Grevy, S., additional, Guillot, J., additional, Heil, M., additional, Kiener, J., additional, Lapoux, V., additional, Maréchal, F., additional, Matta, A., additional, Matea, I., additional, Nalpas, L., additional, Pancin, J., additional, Perrot, L., additional, Obertelli, A., additional, Raabe, R., additional, Scarpaci, J. A., additional, Sieja, K., additional, Sorlin, O., additional, Stefan, I., additional, Stodel, C., additional, Takechi, M., additional, Thomas, J. C., additional, and Togano, Y., additional

Published
2017
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16. Half-lives of neutron-richCd128–130

Author

Dunlop, R., primary, Bildstein, V., additional, Dillmann, I., additional, Jungclaus, A., additional, Svensson, C. E., additional, Andreoiu, C., additional, Ball, G. C., additional, Bernier, N., additional, Bidaman, H., additional, Boubel, P., additional, Burbadge, C., additional, Caballero-Folch, R., additional, Dunlop, M. R., additional, Evitts, L. J., additional, Garcia, F., additional, Garnsworthy, A. B., additional, Garrett, P. E., additional, Hackman, G., additional, Hallam, S., additional, Henderson, J., additional, Ilyushkin, S., additional, Kisliuk, D., additional, Krücken, R., additional, Lassen, J., additional, Li, R., additional, MacConnachie, E., additional, MacLean, A. D., additional, McGee, E., additional, Moukaddam, M., additional, Olaizola, B., additional, Padilla-Rodal, E., additional, Park, J., additional, Paetkau, O., additional, Petrache, C. M., additional, Pore, J. L., additional, Radich, A. J., additional, Ruotsalainen, P., additional, Smallcombe, J., additional, Smith, J. K., additional, Tabor, S. L., additional, Teigelhöfer, A., additional, Turko, J., additional, and Zidar, T., additional

Published
2016
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17. Observation of a largeβ-delayed neutron emission component inRb102decay and identification of excited states inSr102

Author

Wang, Z. M., primary, Garnsworthy, A. B., additional, Andreoiu, C., additional, Ball, G. C., additional, Bender, P. C., additional, Bildstein, V., additional, Cross, D. S., additional, Demand, G., additional, Dunlop, R., additional, Evitts, L. J., additional, Garrett, P. E., additional, Hackman, G., additional, Hadinia, B., additional, Ketelhut, S., additional, Krücken, R., additional, Leach, K. G., additional, Laffoley, A. T., additional, Miller, D., additional, Moukaddam, M., additional, Pore, J., additional, Radich, A. J., additional, Rajabali, M. M., additional, Svensson, C. E., additional, Tan, A., additional, Tardiff, E., additional, Unsworth, C., additional, Voss, A., additional, and Voss, P., additional

Published
2016
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18. High-precision half-life measurements for the superallowed Fermiβ+emitterNe18

Author

Laffoley, A. T., primary, Svensson, C. E., additional, Andreoiu, C., additional, Ball, G. C., additional, Bender, P. C., additional, Bidaman, H., additional, Bildstein, V., additional, Blank, B., additional, Cross, D. S., additional, Deng, G., additional, Varela, A. Diaz, additional, Dunlop, M. R., additional, Dunlop, R., additional, Garnsworthy, A. B., additional, Garrett, P. E., additional, Giovinazzo, J., additional, Grinyer, G. F., additional, Grinyer, J., additional, Hackman, G., additional, Hadinia, B., additional, Jamieson, D. S., additional, Jigmeddorj, B., additional, Kisliuk, D., additional, Leach, K. G., additional, Leslie, J. R., additional, MacLean, A. D., additional, Miller, D., additional, Mills, B., additional, Moukaddam, M., additional, Radich, A. J., additional, Rajabali, M. M., additional, Rand, E. T., additional, Thomas, J. C., additional, Turko, J., additional, Unsworth, C., additional, and Voss, P., additional

Published
2015
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19. Lifetime measurements of states inO15

Author

Galinski, N., primary, Sjue, S. K. L., additional, Ball, G. C., additional, Cross, D. S., additional, Davids, B., additional, Al Falou, H., additional, Garnsworthy, A. B., additional, Hackman, G., additional, Hager, U., additional, Howell, D. A., additional, Jones, M., additional, Kanungo, R., additional, Kshetri, R., additional, Leach, K. G., additional, Leslie, J. R., additional, Moukaddam, M., additional, Orce, J. N., additional, Rand, E. T., additional, Ruiz, C., additional, Ruprecht, G., additional, Schumaker, M. A., additional, Svensson, C. E., additional, Triambak, S., additional, and Unsworth, C. D., additional

Published
2014
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21. Lifetimes of low-lying excited states in 8636Kr50.

Author

Henderson, J., Chester, A., Ball, G. C., Caballero-Folch, R., Domingo, T., Drake, T. E., Evitts, L. J., Garnsworthy, A. B., Hackman, G., Hallam, S., Moukaddam, M., Ruotsalainen, P., Smallcombe, J., Smith, J. K., Starosta, K., Svensson, C. E., and Williams, J.

Subjects
*ISOBARIC spin, *NICKEL isotopes, *NUCLEAR physics
Abstract

Background: The evolution of nuclear magic numbers at extremes of isospin is a topic at the forefront of contemporary nuclear physics. N=50 is a prime example, with increasing experimental data coming to light on potentially doubly magic 100Sn and 78Ni at the proton-rich and proton-deficient extremes, respectively; however, experimental discrepancies exist in the data for less exotic systems. Purpose: In 86Kr the B(E2;2+1→0+1) value--a key indicator of shell evolution--has been experimentally determined by two different methodologies, with the results deviating by 3σ. Here, we report on a new high-precision measurement of this value, as well as the first measured lifetimes and hence transition strengths for the 2+2 and 3-(2) states in the nucleus. Methods: The Doppler-shift attenuation method was implemented using the TRIUMF-ISAC γ-ray escape-suppressed spectrometer (TIGRESS) γ-ray spectrometer and the TIGRESS integrated plunger device. High-statistics Monte Carlo simulations were utilized to extract lifetimes in accordance with state-of-the-art methodologies. Results: Lifetimes of τ(2+1)=336±4(stat.)±20(sys.) fs, τ(2+2)=263±9(stat.)±19(sys.) fs, and τ(3-(2))=73±6(stat.)±32(sys.) fs were extracted. This yields a transition strength for the first-excited state of B(E2;2+1→0+1)=259±3(stat.)±16(sys.) e² fm4. Conclusions: The measured lifetime disagrees with the previous Doppler-shift attenuation method measurement by more than 3σ, while agreeing well with a previous value extracted from Coulomb excitation. The newly extracted B(E2;2+1→0+1) value indicates a more significant reduction in the N=50 isotones approaching Z=40. [ABSTRACT FROM AUTHOR]

Published
2018
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22. High-precision half-life determination for 21Na using a 4π gas-proportional counter.

Author

Finlay, P., Laffoley, A. T., Ball, G. C., Bender, P. C., Dunlop, M. R., Dunlop, R., Hackman, G., Leslie, J. R., MacLean, A. D., Miller, D., Moukaddam, M., Olaizola, B., Severijns, N., Smith, J. K., Southall, D., and Svensson, C. E.

Subjects
*ISOBARIC spin, *SODIUM compounds, *NEON
Abstract

A high-precision half-life measurement for the superallowed β+ transition between the isospin T=1/2 mirror nuclei 21Na and 21Ne has been performed at the TRIUMF-ISAC radioactive ion beam facility yielding T1/2=22.4506(33) s, a result that is a factor of 4 more precise than the previous world-average half-life for 21Na and represents the single most precisely determined half-life for a transition between mirror nuclei to date. The contribution to the uncertainty in the 21Na Ftmirror value due to the half-life is now reduced to the level of the nuclear-structure-dependent theoretical corrections, leaving the branching ratio as the dominant experimental uncertainty. [ABSTRACT FROM AUTHOR]

Published
2017
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23. Recoil distance method lifetime measurement of the 21+ state in 94Sr and implications for the structure of neutron-rich Sr isotopes.

Author

Chester, A., Ball, G. C., Caballero-Folch, R., Cross, D. S., Cruz, S., Domingo, T., Drake, T. E., Garnsworthy, A. B., Hackman, G., Hallam, S., Henderson, J., Henderson, R., Korten, W., Krücken, R., Moukaddam, M., Olaizola, B., Ruotsalainen, P., Smallcombe, J., Starosta, K., and Svensson, C. E.

Subjects
*COULOMB friction, *NEUTRONS, *STRONTIUM isotopes
Abstract

A high precision lifetime measurement of the 21+ state in 94Sr was performed at TRIUMF's ISAC-II facility by coupling the recoil distance method implemented via the TIGRESS integrated plunger with unsafe Coulomb excitation in inverse kinematics. Due to limited statistics imposed by the use of a radioactive 94Sr beam, a likelihood ratio χ² method was derived and used to compare experimental data to Geant4 simulations. The B(E2; 21+ → 01+) value extracted from the lifetime measurement of 7.80-0.4+00.50 (stat.) ± 0.07 (sys.) ps is approximately 25% larger than previously reported while the relative error has been reduced by a factor of approximately 8. A baseline deformation has been established for Sr isotopes with N ≤ 58 which is a necessary condition for the quantum phase transition interpretation of the onset of deformation in this region. A comparison to existing theoretical models is presented. [ABSTRACT FROM AUTHOR]

Published
2017
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