Search Results - "Siemko, A.."

New exclusion limits on scalar and pseudoscalar axionlike particles from light shining through a wall by Ballou, R., Deferne, G., Finger, M., Flekova, L., Hosek, J., Kunc, S., Macuchova, K., Meissner, K. A., Pugnat, P., Schott, M., Siemko, A., Slunecka, M., Sulc, M., Weinsheimer, C., Zicha, J.

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OSQAR chameleon afterglow search experiment by Sulc, M., Pugnat, P., Ballou, R., Deferne, G., Hosek, J., Kunc, S., Siemko, A.

“…OSQAR experiment has been extended to the quest of chameleon particles with environment-dependent mass from the search of a magnetic afterglow effect…”
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Search for weakly interacting sub-eV particles with the OSQAR laser-based experiment: results and perspectives by Pugnat, P., Ballou, R., Schott, M., Husek, T., Sulc, M., Deferne, G., Duvillaret, L., Finger, M., Finger, M., Flekova, L., Hosek, J., Jary, V., Jost, R., Kral, M., Kunc, S., Macuchova, K., Meissner, K. A., Morville, J., Romanini, D., Siemko, A., Slunecka, M., Vitrant, G., Zicha, J.

“…Recent theoretical and experimental studies highlight the possibility of new fundamental particle physics beyond the Standard Model that can be probed by…”
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New Method for Magnet Protection Systems Based on a Direct Current Derivative Sensor by De Matteis, E., Calcoen, D., Denz, R., Siemko, A., Steckert, J., Storkensen, M. B.

“…A new method of the quench detection systems (QDS) designed for the LHC 600 A corrector magnet circuits and 6 kA individual powered quadrupole (IPQ) magnet…”
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The quest for axions and other new light particles by Baker, K., Cantatore, G., Cetin, S. A., Davenport, M., Desch, K., Döbrich, B., Gies, H., Irastorza, I. G., Jaeckel, J., Lindner, A., Papaevangelou, T., Pivovaroff, M., Raffelt, G., Redondo, J., Ringwald, A., Semertzidis, Y., Siemko, A., Sulc, M., Upadhye, A., Zioutas, K.

“…Standard Model extensions often predict low‐mass and very weakly interacting particles, such as the axion. A number of small‐scale experiments at the…”
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Dynamics of the interaction of dust particles with the LHC beam by Lindstrom, B., Bélanger, P., Gorzawski, A., Kral, J., Lechner, A., Salvachua, B., Schmidt, R., Siemko, A., Vaananen, M., Valuch, D., Wiesner, C., Wollmann, D., Zamantzas, C.

“…Micrometer-sized dust particles present in the Large Hadron Collider (LHC) beam pipe are believed to have caused many thousands of sporadic beam loss events…”
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Towards Better Quality Assurance of the Electrical Integrity of Superconducting Accelerator Magnets by Stafiniak, A., Siemko, A.

“…Production, assembling and operation of the superconducting (SC) accelerator magnets are substantially different than that of conventional accelerators. A…”
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Training of the Main Dipoles Magnets in the Large Hadron Collider Toward 7 TeV Operation by Todesco, E., Willering, G., Auchmann, B., Bajko, M., Bottura, L., Bruning, O., De Rijk, G., Fessia, P., Hagen, P., Mapelli, D., Le Naour, S., Modena, M., Perez, J. C., Rossi, L., Schmidt, R., Siemko, A., Tock, J. Ph, Tommasini, D., Verweij, A.

“…During 2016, one-quarter of the LHC main dipoles have has been powered above the 7.7 T operational field, to reach a field of 8.1 T. These tests were done to…”
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Retraining of the 1232 Main Dipole Magnets in the LHC by Verweij, A., Auchmann, B., Bednarek, M., Bottura, L., Charifoulline, Z., Feher, S., Hagen, P., Modena, M., Le Naour, S., Romera, I., Siemko, A., Steckert, J., Tock, J. Ph, Todesco, E., Willering, G., Wollmann, D.

“…The Large Hadron Collider (LHC) contains eight main dipole circuits, each of them with 154 dipole magnets powered in series. These 15-m-long magnets are wound…”
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Characterization of the radiation tolerance of cryogenic diodes for the High Luminosity LHC inner triplet circuit by Will, Andreas, D’Angelo, G., Denz, R., Hagedorn, D., Monteuuis, A., Ravaioli, E., Rodriguez Mateos, F., Siemko, A., Stachon, K., Verweij, A., Wollmann, D., Mueller, A.-S., Bernhard, A.

“…Cryogenic bypass diodes are part of the baseline powering layout for the circuits of the newNb3Snbased final focus magnets of the high luminosity Large Hadron…”
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Review of Quench Performance of LHC Main Superconducting Magnets by Pugnat, P.., Siemko, A..

“…The regular lattice of the large Hadron collider (LHC) will make use of more than 1600 main magnets and about 7600 corrector magnets, all superconducting and…”
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Predicting the Quench Behavior of the LHC Dipoles During Commissioning by Lorin, C, Siemko, A, Todesco, E, Verweij, A

“…The LHC hardware commissioning has shown a considerable difference of performance between the three dipole manufacturers (Firm1, Firm2 and Firm3). More than…”
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Performance Evaluation and Quality Assurance Management During the Series Power Tests of LHC Main Lattice Magnets by Siemko, A., Pugnat, P.

“…Within the LHC project, a series production of superconducting dipoles and quadrupoles has recently been completed in industry and all magnets were cold tested…”
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Axion search by laser-based experiment OSQAR by Sulc, M., Pugnat, P., Ballou, R., Deferne, G., Duvillaret, L., Flekova, L., Finger, M., Finger, M., Hosek, J., Husek, T., Jost, R., Kral, M., Kunc, S., Macuchova, K., Meissner, K.A., Morville, J., Romanini, D., Schott, M., Siemko, A., Slunecka, M., Vitrant, G., Zicha, J.

“…Laser-based experiment OSQAR in CERN is aimed to the search of the axions by two methods. The photon regeneration experiment is using two LHC dipole magnets of…”
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Impact of the Voltage Transients After a Fast Power Abort on the Quench Detection System in the LHC Main Dipole Chain by Ravaioli, E., Dahlerup-Petersen, K., Formenti, F., Montabonnet, V., Pojer, M., Schmidt, R., Siemko, A., Camillocci, M. S., Steckert, J., Thiesen, H., Verweij, A.

“…A Fast Power Abort in the LHC superconducting main dipole circuit consists in the switch-off of the power converter and the opening of the two…”
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Thermo-electric analysis of the interconnection of the LHC main superconducting bus bars by Granieri, P.P., Breschi, M., Casali, M., Bottura, L., Siemko, A.

“…► We analyzed defective interconnections of the LHC superconducting bus bars. ► A numerical thermo-electric model was built and validated vs. experimental…”
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Modeling of Quench Limit for Steady State Heat Deposits in LHC Magnets by Bocian, D., Dehning, B., Siemko, A.

“…A quench, the transition of a conductor from the superconducting to the normal conducting state, occurs irreversibly in the accelerator magnets if one of the…”
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Quench Limit Model and Measurements for Steady State Heat Deposits in LHC Magnets by Bocian, D., Dehning, B., Siemko, A.

“…A quench, transition of a conductor from the superconducting to the normal conducting state, occurs irreversibly in accelerator magnets if one of the three…”
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Stability Analysis of the LHC Cables for Transient Heat Depositions by Granieri, P.P., Calvi, M., Xydi, P., Baudouy, B., Bocian, D., Bottura, L., Breschi, M., Siemko, A.

“…The commissioning and the exploitation of the LHC require a good knowledge of the stability margins of the superconducting magnets with respect to beam induced…”
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Stability analysis of the LHC cables by Bottura, L., Calvi, M., Siemko, A.

“…The commissioning and operation of the LHC accelerator calls for better understanding of the stability margin of its superconducting magnets with respect to…”
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