Search Results - "Gazis, E. N."

Development of large size Micromegas detector for the upgrade of the ATLAS Muon system by Alexopoulos, T., Altintas, A.A., Alviggi, M., Arik, M., Cetin, S.A., Chernyatine, V., Cheu, E., Della Volpe, D., Dris, M., Fassouliotis, D., Gazis, E.N., Giordano, R., Gratchev, V., Guan, L., Iengo, P., Ioannou, P., Li, C., Johns, K., Kaushik, V., Khodinov, A., Kourkoumelis, C., Maltezos, S., Mermigka, K., Muller, H., Nikolopoulos, K., Park, W., Persembe, S., Petridou, C., Petti, R., Polychronakos, V., Purohit, M.V., Sampsonidis, D., Sekhniaidze, G., Shao, M., Sun, Y.J., Tsipolitis, G., Veenhof, R., Wang, X.L., Wotschack, J., Wu, S.X., Zhao, T., Zhao, Z.G.

“…With the luminosity upgrade of the LHC machine (SLHC, Super-LHC), the Muon system of the ATLAS experiment at CERN will also need a detector upgrade in the…”
Get full text

On the Use of Foam Rubber for Sealing Applications by Alexopoulos, T., Gazis, E. N., Maltezos, S., Koutelieris, G., Persson, B. N. J.

“…O-rings made from foam rubber are often used in sealing applications. Foam rubber have low (macroscopic) elastic modulus E 0 resulting in a low nominal contact…”
Get full text

Search for Solar Axions by the CERN Axion Solar Telescope with He 3 Buffer Gas: Closing the Hot Dark Matter Gap by Arik, M., Aune, S., Barth, K., Belov, A., Borghi, S., Bräuninger, H., Cantatore, G., Carmona, J. M., Cetin, S. A., Collar, J. I., Da Riva, E., Dafni, T., Davenport, M., Eleftheriadis, C., Elias, N., Fanourakis, G., Ferrer-Ribas, E., Friedrich, P., Galán, J., García, J. A., Gardikiotis, A., Garza, J. G., Gazis, E. N., Geralis, T., Georgiopoulou, E., Giomataris, I., Gninenko, S., Gómez, H., Gómez Marzoa, M., Gruber, E., Guthörl, T., Hartmann, R., Hauf, S., Haug, F., Hasinoff, M. D., Hoffmann, D. H. H., Iguaz, F. J., Irastorza, I. G., Jacoby, J., Jakovčić, K., Karuza, M., Königsmann, K., Kotthaus, R., Krčmar, M., Kuster, M., Lakić, B., Lang, P. M., Laurent, J. M., Liolios, A., Ljubičić, A., Luzón, G., Neff, S., Niinikoski, T., Nordt, A., Papaevangelou, T., Pivovaroff, M. J., Raffelt, G., Riege, H., Rodríguez, A., Rosu, M., Ruz, J., Savvidis, I., Shilon, I., Silva, P. S., Solanki, S. K., Stewart, L., Tomás, A., Tsagri, M., van Bibber, K., Vafeiadis, T., Villar, J., Vogel, J. K., Yildiz, S. C., Zioutas, K.

Get full text

Search for solar axions by the CERN axion solar telescope with 3He buffer gas: closing the hot dark matter gap by Arik, M, Aune, S, Barth, K, Belov, A, Borghi, S, Bräuninger, H, Cantatore, G, Carmona, J M, Cetin, S A, Collar, J I, Da Riva, E, Dafni, T, Davenport, M, Eleftheriadis, C, Elias, N, Fanourakis, G, Ferrer-Ribas, E, Friedrich, P, Galán, J, García, J A, Gardikiotis, A, Garza, J G, Gazis, E N, Geralis, T, Georgiopoulou, E, Giomataris, I, Gninenko, S, Gómez, H, Gómez Marzoa, M, Gruber, E, Guthörl, T, Hartmann, R, Hauf, S, Haug, F, Hasinoff, M D, Hoffmann, D H H, Iguaz, F J, Irastorza, I G, Jacoby, J, Jakovčić, K, Karuza, M, Königsmann, K, Kotthaus, R, Krčmar, M, Kuster, M, Lakić, B, Lang, P M, Laurent, J M, Liolios, A, Ljubičić, A, Luzón, G, Neff, S, Niinikoski, T, Nordt, A, Papaevangelou, T, Pivovaroff, M J, Raffelt, G, Riege, H, Rodríguez, A, Rosu, M, Ruz, J, Savvidis, I, Shilon, I, Silva, P S, Solanki, S K, Stewart, L, Tomás, A, Tsagri, M, van Bibber, K, Vafeiadis, T, Villar, J, Vogel, J K, Yildiz, S C, Zioutas, K

“…The CERN Axion Solar Telescope has finished its search for solar axions with (3)He buffer gas, covering the search range 0.64 eV ≲ ma ≲ 1.17 eV. This closes…”
Get full text

Search for sub-eV mass solar axions by the CERN Axion Solar Telescope with 3He buffer gas by Arik, M, Aune, S, Barth, K, Belov, A, Borghi, S, Bräuninger, H, Cantatore, G, Carmona, J M, Cetin, S A, Collar, J I, Dafni, T, Davenport, M, Eleftheriadis, C, Elias, N, Ezer, C, Fanourakis, G, Ferrer-Ribas, E, Friedrich, P, Galán, J, García, J A, Gardikiotis, A, Gazis, E N, Geralis, T, Giomataris, I, Gninenko, S, Gómez, H, Gruber, E, Guthörl, T, Hartmann, R, Haug, F, Hasinoff, M D, Hoffmann, D H H, Iguaz, F J, Irastorza, I G, Jacoby, J, Jakovčić, K, Karuza, M, Königsmann, K, Kotthaus, R, Krčmar, M, Kuster, M, Lakić, B, Laurent, J M, Liolios, A, Ljubičić, A, Lozza, V, Lutz, G, Luzón, G, Morales, J, Niinikoski, T, Nordt, A, Papaevangelou, T, Pivovaroff, M J, Raffelt, G, Rashba, T, Riege, H, Rodríguez, A, Rosu, M, Ruz, J, Savvidis, I, Silva, P S, Solanki, S K, Stewart, L, Tomás, A, Tsagri, M, van Bibber, K, Vafeiadis, T, Villar, J A, Vogel, J K, Yildiz, S C, Zioutas, K

“…The CERN Axion Solar Telescope (CAST) has extended its search for solar axions by using (3)He as a buffer gas. At T=1.8 K this allows for larger pressure…”
Get full text

A gas leak rate measurement system for the ATLAS MUON BIS-monitored drift tubes by Alexopoulos, T, Avramidou, R, Dris, E, Filippas, T.A, Gazis, E.N, Katsoufis, E.C, Maltezos, S, Savva, P, Stavropoulos, G, Tsipolitis, G

“…A low-cost and reliable system is presented which was developed for the gas leak rate measurement of the BIS-Monitored Drift Tubes (MDT) to be used for the…”
Get full text

Measurement of the monitored drift tubes response to energetic neutrons by Alexopoulos, T., Avramidou, R., Bratzler, U., Dris, M., Fassouliotis, D., Filippas, A., Gazis, E.N., Katsoufis, E., Kokkoris, M., Kossionidis, E., Maltezos, S., Perdikakis, G., Polychronakos, V., Savva, P.S., Stavropoulos, G., Tsipolitis, G., Tzamarioudaki, E.

“…We have measured the response of an array of ATLAS muon spectrometer drift tubes to fast neutrons, produced by a t(d,n)/sup 4/He reaction at the 5.5-MV TANDEM…”
Get full text

Extensive performance studies for the ATLAS BIS-MDT precision muon chambers with cosmic rays by Alexopoulos, T., Avramidou, R., Bratzler, U., Cernoch, C., Dris, M., Fassouliotis, D., Filippas, T.A., Fokitis, E., Gazis, E.N., Ioannou, P., Katsoufis, E.C., Kourkoumelis, Ch, Krepouri, A., Liolios, T., Maltezos, S., Manolopoulou, M., Palestini, S., Petridou, Ch, Polychronakos, V., Sampsonidis, D., Savva, P., Stavropoulos, G., Tsipolitis, G., Tzamariudaki, E., Valderanis, Ch, Wotschack, J., Zimmermann, S.

“…ATLAS (a toroidal LHC apparatus) is a general purpose experiment that will start its operation at the large hadron collider (LHC) at CERN in 2007. The ATLAS…”
Get full text

New solar axion search using the CERN Axion Solar Telescope with He 4 filling by Arik, M., Aune, S., Barth, K., Belov, A., Bräuninger, H., Bremer, J., Burwitz, V., Cantatore, G., Carmona, J. M., Cetin, S. A., Collar, J. I., Da Riva, E., Dafni, T., Davenport, M., Dermenev, A., Eleftheriadis, C., Elias, N., Fanourakis, G., Ferrer-Ribas, E., Galán, J., García, J. A., Gardikiotis, A., Garza, J. G., Gazis, E. N., Geralis, T., Georgiopoulou, E., Giomataris, I., Gninenko, S., Gómez Marzoa, M., Hasinoff, M. D., Hoffmann, D. H. H., Iguaz, F. J., Irastorza, I. G., Jacoby, J., Jakovčić, K., Karuza, M., Kavuk, M., Krčmar, M., Kuster, M., Lakić, B., Laurent, J. M., Liolios, A., Ljubičić, A., Luzón, G., Neff, S., Niinikoski, T., Nordt, A., Ortega, I., Papaevangelou, T., Pivovaroff, M. J., Raffelt, G., Rodríguez, A., Rosu, M., Ruz, J., Savvidis, I., Shilon, I., Solanki, S. K., Stewart, L., Tomás, A., Vafeiadis, T., Villar, J., Vogel, J. K., Yildiz, S. C., Zioutas, K.

“…The CERN Axion Solar Telescope (CAST) searches for a → γ conversion in the 9 T magnetic field of a refurbished LHC test magnet that can be directed toward the…”
Get full text

Search for Heavy Higgs Bosons Decaying into Two Tau Leptons with the ATLAS Detector Using pp Collisions at √s = 13 TeV by Aad, G

“…A search for heavy neutral Higgs bosons is performed using the LHC Run 2 data, corresponding to an integrated luminosity of 139     fb−1 of proton-proton…”
Get full text

Measurement of the Soft-Drop Jet Mass in pp Collisions at √ s=13 TeV with the ATLAS detector by Onofre, A., Castro, Nuno Filipe, ATLAS Collaboration

“…Jet substructure observables have significantly extended the search program for physics beyond the standard model at the Large Hadron Collider. The…”
Get full text

Search for electroweak production of charginos and sleptons decaying into final states with two leptons and missing transverse momentum in s√=13 TeV pp collisions using the ATLAS detector by Onofre, A., Castro, Nuno Filipe, ATLAS Collaboration

“…A search for the electroweak production of charginos and sleptons decaying into final states with two electrons or muons is presented. The analysis is based on…”
Get full text

New CAST limit on the axion–photon interaction by Anastassopoulos, V, Aune, S, Barth, K, Belov, A, Braeuninger, H, Cantatore, G, Carmona, J M, Castel, J F, Cetin, SA, Christensen, F, Collar, JI, Dafni, T, Davenport, M, Decker, T A, Dermenev, A, Desch, K, Eleftheriadis, C, Fanourakis, G, Ferrer-Ribas, E, Fischer, H, Garcia, JA, Gardikiotis, A, Garza, J G, Gazis, EN, Geralis, T, Giomataris, I, Gninenko, S, Hailey, C J, Hasinoff, MD, Hoffmann, DHH, Iguaz, F J, Irastorza, I G, Jakobsen, A, Jacoby, J, Jakovcic, K, Kaminski, J, Karuza, M, Kralj, N, Krcmar, M, Kostoglou, S, Krieger, Ch, Lakic, B, Laurent, J M, Liolios, A, Ljubicic, A, Luzon, G, Maroudas, M, Miceli, L, Neff, S, Ortega, I, et. al

“…Hypothetical low-mass particles, such as axions, provide a compelling explanation for the dark matter in the universe. Such particles are expected to emerge…”
Get full text

ATLAS b-jet identification performance and efficiency measurement with tt¯ events in pp collisions at s√=13 TeV by Onofre, A., Castro, Nuno Filipe, ATLAS Collaboration

“…The algorithms used by the ATLAS Collaboration during Run 2 of the Large Hadron Collider to identify jets containing b-hadrons are presented. The performance…”
Get full text

Combination of the searches for pair-produced vectorlike partners of the third-generation quarks at s =13 TeV with the ATLAS detector by Onofre, A., Castro, Nuno Filipe, ATLAS Collaboration

“…A combination of the searches for pair-produced vectorlike partners of the top and bottom quarks in various decay channels (T→Zt/Wb/Ht, B→Zb/Wt/Hb) is…”
Get full text

Observation of H→bb¯ decays and VH production with the ATLAS detector by Alberghi, G.L., Alconada Verzini, M.J., Alderweireldt, S., Alexopoulos, T., Aperio Bella, L., Bandyopadhyay, A., Beddall, A.J., Bedognetti, M., Bentvelsen, S., Beringer, J., Biebel, O., Biesuz, N.V., Bisanz, T., Borissov, G., Brock, R., Camarero Munoz, D., Campanelli, M., Carbone, R.M., Chapman, J.D., Clark, M.R., Da Via, C., Darmora, S., Del Peso, J., Dova, M.T., Ellis, N., Gasnikova, K., Ghasemi, S., Giromini, P., Gravili, F.G., Grimm, K., Guest, D., Gutierrez, P., Haddad, N., Hansen, J.D., Haywood, S.J., Held, A., Hill, J.C., Hill, K.K., Iizawa, T., Kempster, J.J., Khubua, J., Lanni, F., Lanza, A., Lau, T.S., Lellouch, D., Li, L., Litke, A.M., Lösle, A., Marzin, A., Mastrandrea, P., McCarthy, T.G., Merola, L., Merritt, F.S., Metcalfe, J., Miyagawa, P.S., Navarro, G., Neal, H.A., Nechaeva, P.Y., Nikiforou, N., Nomachi, M., Otero y Garzon, G., Pater, J.R., Pedersen, M., Peleganchuk, S.V., Perepelitsa, D.V., Perrella, S., Phillips, P.W., Podberezko, P., Powell, T.D., Ravinovich, I., Read, A.L., Reichert, J., Rijssenbeek, M., Ristić, B., Romano, M., Salazar Loyola, J.E., Sandaker, H., Sbarra, C., Schott, M., Seidel, S.C., Shi, L., Stegler, M., Strom, D.M., Sulin, V.V., Tahirovic, E., Tian, Y., Tikhonov, Yu.A., Todome, K., Tompkins, L., Tuts, P.M., Vadla, K.O.H., Villa, M., Watson, M.F., Wolters, H., Wyatt, T.R., Xu, L., Yuen, S.P.Y., Zeißner, S.V., Zhang, G., Zhou, Y.

“…A search for the decay of the Standard Model Higgs boson into a bb¯ pair when produced in association with a W or Z boson is performed with the ATLAS detector…”
Get full text

Measurement of the W-boson mass in pp collisions at √s=7TeV with the ATLAS detector by Onofre, A., Castro, Nuno Filipe, ATLAS Collaboration

“…A measurement of the mass of the W boson is presented based on proton–proton collision data recorded in 2011 at a centre-of-mass energy of 7 TeV with the ATLAS…”
Get full text

Jet energy scale measurements and their systematic uncertainties in proton-proton collisions at s =13 TeV with the ATLAS detector by Aaboud, M, Aad, G, Abbott, B., Abdallah, J, Abdinov, O, Abeloos, B, Åkesson, Torsten, Bocchetta, Simona, Doglioni, Caterina, Hedberg, Vincent, Jarlskog, Göran, Kalderon, Charles, Lytken, Else, Mjörnmark, Ulf, Poulsen, Trine, Smirnova, Oxana, Viazlo, Oleksandr

“…Jet energy scale measurements and their systematic uncertainties are reported for jets measured with the ATLAS detector using proton-proton collision data with…”
Get full text

Muon reconstruction performance of the ATLAS detector in proton–proton collision data at s=13 TeV by Abbott, B., Adamczyk, L., Adelman, J., Akerstedt, H., Alexander, G., Amidei, D., Angelidakis, S., Astalos, R., Bachas, K., Barnett, R. M., Battaglia, M., Bawa, H. S., Bosman, M., Britton, D., Bruni, G., Calderini, G., Carbone, R. M., Cavaliere, V., Che, S., Ciftci, A. K., Citron, Z. H., Cristinziani, M., Cúth, J., Darbo, G., Dearnaley, W. J., Deliot, F., Dolgoshein, B. A., Doria, A., Duarte-Campderros, J., Duflot, L., Elsing, M., Emeliyanov, D., Fayard, L., Gabaldon, C., Gee, C. N. P., Giagu, S., Gillberg, D., Grivaz, J.-F., Guo, Y., Hadef, A., Hartjes, F., Hayward, H. S., Hodgkinson, M. C., Hooberman, B. H., Iuppa, R., Jabbar, S., Khanov, A., Kind, O. M., King, B. T., King, M., Klein, U., Kolb, M., Kruse, A., Kyriazopoulos, D., Lai, S., Lehmann Miotto, G., Li, S., Lissauer, D., Lokajicek, M., Lou, X., Medinnis, M., Mellado Garcia, B. R., Mikenberg, G., Minashvili, I. A., Molander, S., Moss, J., Narayan, R., Nickerson, R. B., Nielsen, J., O’Rourke, A. A., Orlando, N., Passaggio, S., Piacquadio, G., Pianori, E., Potamianos, K., Reece, R., Rembser, C., Riu, I., Rousseau, D., Rurikova, Z., Rzehorz, G. F., Salamanna, G., Schuh, N., Sekhniaidze, G., Stewart, G. A., Strandberg, J., Stugu, B., Tackmann, K., Teischinger, F. A., Teixeira-Dias, P., Tisserant, S., Todorov, T., Undrus, A., van Vulpen, I., Vorobev, K., Wagner, P., Webb, S., Yamaguchi, Y., Yamamoto, A., Yu, J.

“…This article documents the performance of the ATLAS muon identification and reconstruction using the LHC dataset recorded at s = 13  TeV in 2015. Using a large…”
Get full text

Combination of searches for Higgs boson pairs in pp collisions at s=13TeV with the ATLAS detector by Adamek, L., Alexa, C., Anders, C.F., Araujo Ferraz, V., Bandyopadhyay, A., Beauchemin, P.H., Beck, H.C., Bednyakov, V.A., Bensinger, J.R., Bentvelsen, S., Biebel, O., Biesuz, N.V., Borissov, G., Bressler, S., Buckley, A.G., Bührer, F., Bulekov, O., Calvet, T.P., Calvetti, M., Caron, S., Carquin, E., Cerrito, L., Cervelli, A., Chiu, Y.H., Clement, C., Corpe, L.D., Cristinziani, M., Czodrowski, P., Delporte, C., Delsart, P.A., Dias, F.A., Duckeck, G., Düren, M., Estrada Pastor, O., Gabrielli, A., Geisler, M.P., Gignac, M., Goldfarb, S., Grout, Z.J., Haas, A., Hamity, G.N., Hard, A.S., Hasegawa, Y., Haug, S., Hawkes, C.M., Higashida, A., Idrissi, Z., Izzo, V., Jiang, Z., Kawagoe, K., Kiehn, M., Kirk, J., Knue, A., Lanza, A., Lehmann, K., Lehmann Miotto, G., Lionti, A.L., Lipeles, E., Lobodzinska, E.M., Mandić, I., Mdhluli, J.E., Meyer, J., Minashvili, I.A., Mittal, M., Mizukami, A., Morley, A.K., Murray, W.J., Myska, M., Newman, P.R., O'Connor, K., Okazaki, Y., Petukhova, K., Piacquadio, G., Potrap, I.N., Prokofiev, K., Ravinovich, I., Read, A.L., Rembser, C., Ricci, E., Robinson, J.E.M., Robson, A., Sandaker, H., Sauvan, E., Sawyer, C., Schioppa, M., Scutti, F., Sharma, A., Shimojima, M., Shrestha, S., Soldevila, U., Swift, S.P., Thiele, F., Tikhonov, Yu.A., Vandelli, W., Venturi, N., Verducci, M., Willis, C., Wolff, R., Xu, L., Yuen, S.P.Y.

“…This letter presents a combination of searches for Higgs boson pair production using up to 36.1fb−1 of proton–proton collision data at a centre-of-mass energy…”
Get full text