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computing and computers (9) 9
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[formula omitted], [formula omitted], and conversion electron spectroscopy at recoil separators (1) 1
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1. Full Text Disk failures in the EOS setup at CERN
: A first systematic look at 1 year of collected data
by Duellmann, Dirk and Portabales, Alfonso
EPJ Web of Conferences, ISSN 2100-014X, 2019, Volume 214, p. 4046
The EOS deployment at CERN is a core service used for both scientific data processing, analysis and as back-end for general end-user storage (eg home... 
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2. Full Text Disk failures in the EOS setup at CERN
by Dirk Duellmann and Alfonso Portabales
EPJ Web of Conferences, ISSN 2101-6275, 01/2019, Volume 214, p. 04046
The EOS deployment at CERN is a core service used for both scientific data processing, analysis and as back-end for general end-user storage (eg home... 
Directories | CERN | Data analysis | Disk drives | Data acquisition | Failure analysis | Machine learning | Hard disks | Data processing | Disks
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3. Full Text First results from a combined analysis of CERN computing infrastructure metrics
by Duellmann, Dirk and Nieke, Christian
Journal of Physics: Conference Series, ISSN 1742-6588, 11/2017, Volume 898, Issue 7, p. 72035
Conference Proceeding
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4. Full Text Hadoop and friends - First experience at CERN with a new platform for high throughput analysis steps
by Duellmann, D and Surdy, K and Menichetti, L and Toebbicke, R
Journal of Physics: Conference Series, ISSN 1742-6588, 11/2017, Volume 898, Issue 7, p. 72034
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5. Full Text System Performance and Cost Modelling in LHC computing
by Biscarat, Catherine and Boccali, Tommaso and Bonacorsi, Daniele and Bozzi, Concezio and Costanzo, Davide and Duellmann, Dirk and Elmsheuser, Johannes and Fede, Eric and Flix Molina, José and Giordano, Domenico and Grigoras, Costin and Iven, Jan and Jouvin, Michel and Kemp, Yves and Lange, David and Meinhard, Helge and Michelotto, Michele and Douglas Roy, Gareth and Sansum, Andrew and Sartirana, Andrea and Schulz, Markus and Sciabà, Andrea and Smirnova, Oxana and Stewart, Graeme and Valassi, Andrea and Vernet, Renaud and Wenaus, Torre and Wuerthwein, Frank
EPJ Web of Conferences, ISSN 2100-014X, 2019, Volume 214, p. 3019
The increase in the scale of LHC computing expected for Run 3 and even more so for Run 4 (HL-LHC) over the next ten years will certainly require radical... 
Data processing | Working groups | Experiments | Computing costs
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6. Full Text Archiving tools for EOS
by Sindrilaru, Elvin-Alin and Peters, Andreas-Joachim and Duellmann, Dirk
Journal of Physics: Conference Series, ISSN 1742-6588, 2015, Volume 664, Issue 4, p. 42049
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7. Full Text EOS developments
by Sindrilaru, Elvin A and Peters, Andreas J and Adde, Geoffray M and Duellmann, Dirk
Journal of Physics: Conference Series, ISSN 1742-6588, 11/2017, Volume 898, Issue 6, p. 62032
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8. Full Text Study of the average charge states of 188Pb and 252,254No ions at the gas-filled separator TASCA
by Khuyagbaatar, J and Ackermann, D and Andersson, L.-L and Ballof, J and Brüchle, W and Düllmann, Ch.E and Dvorak, J and Eberhardt, K and Even, J and Gorshkov, A and Graeger, R and Heßberger, F.-P and Hild, D and Hoischen, R and Jäger, E and Kindler, B and Kratz, J.V and Lahiri, S and Lommel, B and Maiti, M and Merchan, E and Rudolph, D and Schädel, M and Schaffner, H and Schausten, B and Schimpf, E and Semchenkov, A and Serov, A and Türler, A and Yakushev, A
Nuclear Inst. and Methods in Physics Research, A, ISSN 0168-9002, 10/2012, Volume 689, pp. 40 - 46
The average charge states of Pb and No ions in dilute helium gas were measured at the gas-filled recoil separator TASCA. Hydrogen gas was also used as a... 
Heavy ion | TASCA | Gas-filled separator | Average charge state | Hydrogen storage | Heavy ions | Accelerators | Charge | Recoil | Separators | Helium | Density
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9. Full Text Latest evolution of EOS filesystem
by Adde, Geoffray and Chan, Belinda and Duellmann, Dirk and Espinal, Xavier and Fiorot, Alessandro and Iven, Jan and Janyst, Lukasz and Lamanna, Massimo and Mascetti, Luca and Rocha, Joaquim M Pereira and Peters, Andreas J and Sindrilaru, Elvin A
Journal of Physics: Conference Series, ISSN 1742-6588, 05/2015, Volume 608, Issue 1, p. 12009
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10. Full Text TASISpec—A highly efficient multi-coincidence spectrometer for nuclear structure investigations of the heaviest nuclei
by Andersson, L.-L and Rudolph, D and Golubev, P and Herzberg, R.-D and Hoischen, R and Merchán, E and Ackermann, D and Düllmann, Ch.E and Eberhardt, K and Even, J and Gerl, J and Heßberger, F.P and Jäger, E and Khuyagbaatar, J and Kojouharov, I and Kratz, J.V and Krier, J and Kurz, N and Prokopowicz, W and Schädel, M and Schaffner, H and Schausten, B and Schimpf, E and Semchenkov, A and Türler, A and Wollersheim, H.-J and Yakushev, A and Thörle-Pospiech, P and Hartmann, W and Hübner, A and Lommel, B and Kindler, B and Steiner, J
Nuclear Inst. and Methods in Physics Research, A, ISSN 0168-9002, 10/2010, Volume 622, Issue 1, pp. 164 - 170
TASISpec ( SCA in mall mage mode troscopy) combines composite Ge- and Si-detectors for a new detector setup aimed towards multi-coincidence , , conversion... 
Si strip detector | Decay tagging spectrometer | Cluster Ge detector | [formula omitted], [formula omitted], and conversion electron spectroscopy at recoil separators | Clover Ge detector | Recoil separators | α, γ-ray, and conversion electron spectroscopy at recoil separators | DECAY | SPONTANEOUS FISSION | alpha, gamma-ray | FILLED RECOIL SEPARATOR | spectroscopy at recoil separators | and conversion electron | ATOMIC NUMBERS | SUPERHEAVY ELEMENTS | INSTRUMENTS & INSTRUMENTATION | SPECTROSCOPY | PRODUCTS | NUCLEAR SCIENCE & TECHNOLOGY | COMPLETE FUSION | GE DETECTORS | FRAGMENT-MASS | PHYSICS, PARTICLES & FIELDS
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11. Full Text Using S3 cloud storage with ROOT and CvmFS
by Arsuaga-Ríos, María and Heikkilä, Seppo S and Duellmann, Dirk and Meusel, René and Blomer, Jakob and Couturier, Ben
Journal of Physics: Conference Series, ISSN 1742-6588, 2015, Volume 664, Issue 2, p. 22001
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12. Full Text First Superheavy Element Experiments at the GSI Recoil Separator TASCA: The Production and Decay of Element 114 in the 244Pu(48Ca,3-4n) Reaction
by Gates, J. M and Duellmann, Ch E and Schaedel, M and Yakushev, A and Tuerler, A and Eberhardt, K and Kratz, J. V and Ackermann, D and Andersson, L. -L and Block, M and Bruechle, W and Dvorak, J and Essel, H. G and Ellison, P. A and Even, J and Forsberg, Ulrika and Gellanki, Jnaneswari and Gorshkov, A and Graeger, R and Gregorich, K. E and Hartmann, W and Herzberg, R. -D and Hessberger, F. P and Hild, D and Huebner, A and Jaeger, E and Khuyagbaatar, J and Kindler, B and Krier, J and Kurz, N and Lahiri, S and Liebe, D and Lommel, B and Maiti, M and Nitsche, H and Omtvedt, J. P and Parr, E and Rudolph, Dirk and Runke, J and Schaffner, H and Schausten, B and Schimpf, E and Semchenkov, A and Steiner, J and Thoerle-Pospiech, P and Uusitalo, J and Wegrzecki, M and Wiehl, N and Nuclear physics and Lund University and Lunds universitet and Kärnfysik
Physical Review C (Nuclear Physics), ISSN 0556-2813, 2011, Volume 83, Issue 5
Experiments with the new recoil separator, Transactinide Separator and Chemistry Apparatus (TASCA), at the GSI were performed by using beams of Ca-48 to... 
Fysik | Physical Sciences | Subatomic Physics | Naturvetenskap | Subatomär fysik | Natural Sciences
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13. Full Text Commissioning of a CERN Production and Analysis Facility Based on xrootd
by Campana, Simone and van der Ster, Daniel C and Di Girolamo, Alessandro and Peters, Andreas J and Duellmann, Dirk and Dos Santos, Miguel Coelho and Iven, Jan and Bell, Tim
Journal of Physics: Conference Series, ISSN 1742-6596, 12/2011, Volume 331, Issue 7, pp. 072006 - 6
The CERN facility hosts the Tier-0 of the four LHC experiments, but as part of WLCG it also offers a platform for production activities and user analysis. The... 
Exporting | CERN | Platforms | Storage systems | Data recording | Data processing | Mathematical models | Commissioning
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14. Full Text CASTOR end-to-end monitoring
by Rekatsinas, Theodoros and Duellmann, Dirk and Pokorski, Witold and Ponce, Sébastien and Rabaçal, Bartolomeu and Waldron, Dennis and Wojcieszuk, Jacek
Journal of Physics: Conference Series, ISSN 1742-6596, 04/2010, Volume 219, Issue 1, p. 042052
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15. Full Text HEP Software Foundation Community White Paper Working Group -- Data Organization, Management and Access (DOMA)
by Berzano, Dario and Bianchi, Riccardo Maria and Bird, Ian and Bockelman, Brian and Campana, Simone and De, Kaushik and Duellmann, Dirk and Elmer, Peter and Gardner, Robert and Garonne, Vincent and Grandi, Claudio and Gutsche, Oliver and Hanushevsky, Andrew and Holzman, Burt and Jayatilaka, Bodhitha and Jimenez, Ivo and Jouvin, Michel and Keeble, Oliver and Klimentov, Alexei and Kuznetsov, Valentin and Lancon, Eric and Lassnig, Mario and Livny, Miron and Maltzahn, Carlos and McKee, Shawn and Menasce, Dario and Norman, Andrew and Pivarski, Jim and Riedel, Benedikt and Schulz, Markus and Severini, Horst and Sevilla, Michael and Sexton-Kennedy, Elizabeth and Vaandering, Eric and Vukotic, Ilija and Watkins, Noah and Wenaus, Torre and Wuerthwein, Frank
11/2018
Without significant changes to data organization, management, and access (DOMA), HEP experiments will find scientific output limited by how fast data can be... 
Physics - Computational Physics
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16. Full Text The LCG POOL Project, General Overview and Project Structure
by Duellmann, Dirk
06/2003
The POOL project has been created to implement a common persistency framework for the LHC Computing Grid (LCG) application area. POOL is tasked to store... 
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17. Full Text Improving the performance of high-energy physics analysis through bitmap indices
by Stockinger, Kurt and Duellmann, Dirk and Hoschek, Wolfgang and Schikuta, Erich
Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), ISSN 0302-9743, 2000, Volume 1873, pp. 835 - 845
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18. Full Text A Roadmap for HEP Software and Computing R&D for the 2020s
by Albrecht, Johannes and Alves Jr, Antonio Augusto and Amadio, Guilherme and Andronico, Giuseppe and Anh-Ky, Nguyen and Aphecetche, Laurent and Apostolakis, John and Asai, Makoto and Atzori, Luca and Babik, Marian and Bagliesi, Giuseppe and Bandieramonte, Marilena and Banerjee, Sunanda and Barisits, Martin and Bauerdick, Lothar A. T and Belforte, Stefano and Benjamin, Douglas and Bernius, Catrin and Bhimji, Wahid and Bianchi, Riccardo Maria and Bird, Ian and Biscarat, Catherine and Blomer, Jakob and Bloom, Kenneth and Boccali, Tommaso and Bockelman, Brian and Bold, Tomasz and Bonacorsi, Daniele and Boveia, Antonio and Bozzi, Concezio and Bracko, Marko and Britton, David and Buckley, Andy and Buncic, Predrag and Calafiura, Paolo and Campana, Simone and Canal, Philippe and Canali, Luca and Carlino, Gianpaolo and Castro, Nuno and Cattaneo, Marco and Cerminara, Gianluca and Cervantes Villanueva, Javier and Chang, Philip and Chapman, John and Chen, Gang and Childers, Taylor and Clarke, Peter and Clemencic, Marco and Cogneras, Eric and Coles, Jeremy and Collier, Ian and Colling, David and Corti, Gloria and Cosmo, Gabriele and Costanzo, Davide and Couturier, Ben and Cranmer, Kyle and Cranshaw, Jack and Cristella, Leonardo and Crooks, David and Crépé-Renaudin, Sabine and Currie, Robert and Dallmeier-Tiessen, Sünje and De, Kaushik and De Cian, Michel and De Roeck, Albert and Delgado Peris, Antonio and Derue, Frédéric and Di Girolamo, Alessandro and Di Guida, Salvatore and Dimitrov, Gancho and Doglioni, Caterina and Dotti, Andrea and Duellmann, Dirk and Duflot, Laurent and Dykstra, Dave and Dziedziniewicz-Wojcik, Katarzyna and Dziurda, Agnieszka and Egede, Ulrik and Elmer, Peter and Elmsheuser, Johannes and Elvira, V Daniel and Eulisse, Giulio and Farrell, Steven and Ferber, Torben and Filipcic, Andrej and Fisk, Ian and Fitzpatrick, Conor and Flix, José and Formica, Andrea and Forti, Alessandra and Franzoni, Giovanni and Frost, James and Fuess, Stu and Gaede, Frank and Ganis, Gerardo and Gardner, Robert and Garonne, Vincent and Gellrich, Andreas and ... and The HEP Software Foundation
Computing and Software for Big Science, ISSN 2510-2036, 12/2019, Volume 3, Issue 1, pp. 1 - 49
Particle physics has an ambitious and broad experimental programme for the coming decades. This programme requires large investments in detector hardware,... 
Computing & software upgrade | Particle physics | Software performance | Machine learning | Physics | Particle and Nuclear Physics | HL-LHC
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19. Full Text LHCb experience with LFC replication
by Bonifazi, F and Carbone, A and Perez, E D and D'Apice, A and dell'Agnello, L and Duellmann, D and Girone, M and Re, G L and Martelli, B and Peco, G and Ricci, P P and Sapunenko, V and Vagnoni, V and Vitlacil, D
Journal of Physics: Conference Series, ISSN 1742-6596, 07/2008, Volume 119, Issue 4, p. 042005
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20. Device for use in coastal protection and rescue operations
by JANISCH, DIRK, 17459 ZEMPIN, DE and DUELLMANN, PETER, 17459 ZEMPIN, DE
10/1998, 6
Coasts are protected and rescue operations in heavy seas are facilitated by an arrangement of sub-assemblies (2) with shaped bodies (3), which are positioned... 
HYDRAULIC ENGINEERING | SOIL SHIFTING | FIXED CONSTRUCTIONS | FOUNDATIONS
Patent
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