Search Results - "Perego, D.L"

The High Voltage Protection Boards for the RICH Detectors of the LHCb Experiment by Arnaboldi, C., Bellunato, T., Gobbo, P., Perego, D.L., Pessina, G.

“…We present the protection system for the monitoring circuitry of the 20 kV high-voltage bias for the Hybrid Photon Detectors of the Ring Imaging Cherenkov…”
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Performance of the LHCb RICH detector at the LHC by Adinolfi, M., Aglieri Rinella, G., Albrecht, E., Bellunato, T., Benson, S., Blake, T., Blanks, C., Brisbane, S., Brook, N. H., Calvi, M., Cameron, B., Cardinale, R., Carson, L., Contu, A., Coombes, M., D’Ambrosio, C., Easo, S., Egede, U., Eisenhardt, S., Fanchini, E., Fitzpatrick, C., Fontanelli, F., Forty, R., Frei, C., Gandini, P., Gao, R., Garra Tico, J., Giachero, A., Gibson, V., Gotti, C., Gregson, S., Gys, T., Haines, S. C., Hampson, T., Harnew, N., Hill, D., Hunt, P., John, M., Jones, C. R., Johnson, D., Kanaya, N., Katvars, S., Kerzel, U., Kim, Y. M., Koblitz, S., Kucharczyk, M., Lambert, D., Main, A., Maino, M., Malde, S., Mangiafave, N., Matteuzzi, C., Mini’, G., Mollen, A., Morant, J., Mountain, R., Morris, J. V., Muheim, F., Muresan, R., Nardulli, J., Owen, P., Papanestis, A., Patel, M., Patrick, G. N., Perego, D. L., Pessina, G., Petrolini, A., Piedigrossi, D., Plackett, R., Playfer, S., Powell, A., Rademacker, J. H., Ricciardi, S., Rogers, G. J., Sail, P., Sannino, M., Savidge, T., Sepp, I., Sigurdsson, S., Soler, F. J. P., Solomin, A., Soomro, F., Sparkes, A., Spradlin, P., Storaci, B., Thomas, C., Topp-Joergensen, S., Torr, N., Ullaland, O., Vervink, K., Voong, D., Websdale, D., Wilkinson, G., Wotton, S. A., Wyllie, K., Xing, F., Young, R.

“…The LHCb experiment has been taking data at the Large Hadron Collider (LHC) at CERN since the end of 2009. One of its key detector components is the…”
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Ageing tests and recovery procedures of silica aerogel by Perego, D.L.

“…Silica aerogel has been extensively used in RICH detectors for the identification of charged particles over the momentum range between 1 and 10 GeV / c . Tiles…”
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The LHCb RICH silica aerogel performance with LHC data by Perego, D.L.

“…In the LHCb experiment at the Large Hadron Collider, powerful charged particle identification is performed by Ring Imaging CHerenkov (RICH) technology. In…”
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Quenching the scintillation in CF4 Cherenkov gas radiator by Blake, T., D׳Ambrosio, C., Easo, S., Eisenhardt, S., Fitzpatrick, C., Forty, R., Frei, C., Gibson, V., Gys, T., Harnew, N., Hunt, P., Jones, C.R., Lambert, R.W., Matteuzzi, C., Muheim, F., Papanestis, A., Perego, D.L., Piedigrossi, D., Plackett, R., Powell, A., Topp-Joergensen, S., Ullaland, O., Websdale, D., Wotton, S.A., Wyllie, K.

“…CF4 is used as a Cherenkov gas radiator in one of the Ring Imaging Cherenkov detectors at the LHCb experiment at the CERN Large Hadron Collider. CF4 is well…”
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Refractive index of silica aerogel: Uniformity and dispersion law by Bellunato, T., Calvi, M., Matteuzzi, C., Musy, M., Perego, D.L., Storaci, B.

“…Two methods for the measurement of the uniformity of the refractive index n within a single block of silica aerogel are described. One is based on the…”
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Refractive index dispersion law of silica aerogel by Bellunato, T., Calvi, M., Matteuzzi, C., Musy, M., Perego, D.L., Storaci, B.

“…This paper presents measurements of the refractive index of a hygroscopic silica aerogel block at several wavelengths. The measurements, performed with a…”
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Characterization study of silica aerogel for Cherenkov imaging by Sallaz-Damaz, Y., Derome, L., Mangin-Brinet, M., Loth, M., Protasov, K., Putze, A., Vargas-Trevino, M., Véziant, O., Buénerd, M., Menchaca-Rocha, A., Belmont, E., Vargas-Magaña, M., Léon-Vargas, H., Ortiz-Velàsquez, A., Malinine, A., Baraõ, F., Pereira, R., Bellunato, T., Matteuzzi, C., Perego, D.L.

“…Different methods to measure the characteristics of silica aerogel tiles used as Cherenkov radiator in the CREAM and AMS experiments have been investigated to…”
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The high-voltage system for the LHCb RICH hybrid photon detectors by Arnaboldi, C., Bellunato, T., De Lucia, A., Fanchini, E., Perego, D.L., Pessina, G.

“…We describe the characterization of the high-voltage (HV) distribution system designed and produced for the pixel hybrid photon detectors of the ring imaging…”
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A model-independent Dalitz plot analysis of $B^\pm \to D K^\pm$ with $D \to K^0_{\rm S} h^+h^-$ ($h=\pi, K$) decays and constraints on the CKM angle $\gamma by Aaij, R., Barsuk, S., Callot, O., He, J., Jean-Marie, B., Lefrançois, J., Machefert, F., Martin Sanchez, A., Nicol, M., Robbe, P., Schune, M.-H., Viaud, B., Videau, I., Ben-Haim, E., Benayoun, M., David, P., del Buono, L., Martens, A., Polci, F., Ajaltouni, Ziad Zj, Cogneras, E., Deschamps, O., El Rifai, I., Henrard, Pierre, Hoballah, M., Jahjah-Hussein, Marwa, Lefèvre, R., Li Gioi, L., Monteil, S., Niess, V., Perret, Pascal, Roa Romero, Diego Alejandro, Sobczak, Krzysztof Grzegorz, Adrover, C., Aslanides, E., Cogan, J., Legac, R., Leroy, O., Mancinelli, G., Maurice, E., Perrin-Terrin, M., Sapunov, M., Serrano, J., Tsaregorodtsev, A., de Bonis, I., Decamp, D., Ghez, Ph, Hopchev, P., Lees, J.-P., Machikhiliyan, I.V., Minard, M.-N., Pietrzyk, B., t'Jampens, S., Tisserand, V., Tournefier, E.

“…A binned Dalitz plot analysis of $B^\pm \to D K^\pm$ decays, with $D \to K^0_{\rm S} \pi^+\pi^-$ and $D \to K^0_{\rm S} K^+ K^-$, is performed to measure the…”
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Measurement of the fraction of Υ (1S) originating from χb(1P) decays in pp collisions at $ \sqrt{s}=7\,TeV by Aaij, R., Beteta, C. Abellan, Adametz, A., Adeva, B., Adinolfi, M., Adrover, C., Affolder, A., Ajaltouni, Z., Albrecht, J., Alessio, F., Alexander, M., Ali, S., Alkhazov, G., Cartelle, P. Alvarez, Alves, A. A., Amato, S., Amhis, Y., Anderson, J., Appleby, R. B., Gutierrez, O. Aquines, Archilli, F., Artamonov, A., Artuso, M., Aslanides, E., Auriemma, G., Bachmann, S., Back, J. J., Balagura, V., Baldini, W., Barlow, R. J., Barschel, C., Barsuk, S., Barter, W., Bates, A., Bauer, C., Bauer, Th, Bay, A., Beddow, J., Bediaga, I., Belogurov, S., Belous, K., Belyaev, I., Ben-Haim, E., Benayoun, M., Bencivenni, G., Benson, S., Benton, J., Bernet, R., Bettler, M.-O., van Beuzekom, M., Bien, A., Bifani, S., Bird, T., Bizzeti, A., Bjørnstad, P. M., Blake, T., Blanc, F., Blanks, C., Blouw, J., Blusk, S., Bobrov, A., Bocci, V., Bondar, A., Bondar, N., Bonivento, W., Borghi, S., Borgia, A., Bowcock, T. J. V., Bozzi, C., Brambach, T., van den Brand, J., Bressieux, J., Brett, D., Britsch, M., Britton, T., Brook, N. H., Brown, H., Büchler-Germann, A., Burducea, I., Bursche, A., Buytaert, J., Cadeddu, S., Callot, O., Calvi, M., Gomez, M. Calvo, Camboni, A., Campana, P., Carbone, A., Carboni, G., Cardinale, R., Cardini, A., Carson, L., Akiba, K. Carvalho, Casse, G., Cattaneo, M., Cauet, Ch, Charles, M., Charpentier, Ph, Chen, P., Chiapolini, N.

“…A bstract The production of χ b (1 P ) mesons in pp collisions at a centre-of-mass energy of 7 TeV is studied using 32 pb −1 of data collected with the LHCb…”
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The performance of the LHCb pixel Hybrid Photon Detectors in a 25ns structured test-beam by Perego, D.L.

“…Particle identification plays an important role in the challenging physics programme of the LHCb experiment. Pion- kaon separation in the wide momentum range…”
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Measurement of the cross-section ratio $\sigma(\chi_{c2})/\sigma(\chi_{c1})$ for prompt $\chi_c$ production at $\sqrt{s}=7$ TeV by Aaij, R., Beteta, C. Abellan, Adeva, B., Adinolfi, M., Adrover, C., Affolder, A., Ajaltouni, Ziad Zj, Albrecht, J., Alessio, F., Hoole, Alexander M., Alkhazov, G., Cartelle, P. Alvarez, Alves Jr, A. A., Amato, S., Amhis, Y., Anderson, J., Appleby, R. B., Gutierrez, O. Aquines, Archilli, F., Arrabito, L., Artamonov, A., Artuso, M., Aslanides, E., Auriemma, G., Bachmann, S., Back, J. J., Bailey, D. S., Balagura, V., Baldini, W., Barlow, R. J., Barschel, C., Barsuk, S., Barter, W., Bates, A., Bauer, C., Bauer, Th, Bay, A., Bediaga, I., Belogurov, S., Belous, K., Belyaev, I., Ben-Haim, E., Benayoun, M., Bencivenni, G., Benson, S., Benton, J., Bernet, R., Bettler, M. -O., van Beuzekom, M., Bien, A., Bifani, S., Bird, T., Bizzeti, A., Bjørnstad, P. M., Blake, T., Blanc, F., Blanks, C., Blouw, J., Blusk, S., Bobrov, A., Bocci, V., Bondar, A., Bondar, N., Bonivento, W., Borghi, S., Borgia, A., Bowcock, T. J. V., Bozzi, C., Brambach, T., Brand, J. van Den, Bressieux, J., Brett, D., Britsch, M., Britton, T., Brook, N. H., Brown, H., Büchler-Germann, A., Burducea, I., Bursche, A., Buytaert, J., Cadeddu, S., Callot, O., Calvi, M., Gomez, M. Calvo, Camboni, A., Campana, P., Carbone, A., Carboni, G., Cardinale, R., Cardini, A., Carson, L., Akiba, K. Carvalho, Casse, G., Cattaneo, M., Cauet, Ch, Charles, M., Charpentier, Ph, Chiapolini, N., Ciba, K., Vidal, X. Cid

“…The prompt production of the charmonium $\chi_{c1}$ and $\chi_{c2}$ mesons has been studied in proton-proton collisions at the Large Hadron Collider at a…”
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Search for lepton number violating decays $B^{+}\rightarrow \pi^- \mu^+ \mu^+$ and $B^{+}\rightarrow K^- \mu^+ \mu by Aaij, R., Beteta, C. Abellan, Adeva, B., Adinolfi, M., Adrover, C., Affolder, A., Ajaltouni, Ziad Zj, Albrecht, J., Alessio, F., Hoole, Alexander M., Alkhazov, G., Cartelle, P. Alvarez, Alves Jr, A. A., Amato, S., Amhis, Y., Anderson, J., Appleby, R. B., Gutierrez, O. Aquines, Archilli, F., Arrabito, L., Artamonov, A., Artuso, M., Aslanides, E., Auriemma, G., Bachmann, S., Back, J. J., Bailey, D. S., Balagura, V., Baldini, W., Barlow, R. J., Barschel, C., Barsuk, S., Barter, W., Bates, A., Bauer, C., Bauer, Th, Bay, A., Bediaga, I., Belous, K., Belyaev, I., Ben-Haim, E., Benayoun, M., Bencivenni, G., Benson, S., Benton, J., Bernet, R., Bettler, M. -O., van Beuzekom, M., Bien, A., Bifani, S., Bizzeti, A., Bjørnstad, P. M., Blake, T., Blanc, F., Blanks, C., Blouw, J., Blusk, S., Bobrov, A., Bocci, V., Bondar, A., Bondar, N., Bonivento, W., Borghi, S., Borgia, A., Bowcock, T. J. V., Bozzi, C., Brambach, T., Brand, J. van Den, Bressieux, J., Brett, D., Brisbane, S., Britsch, M., Britton, T., Brook, N. H., Brown, H., Büchler-Germann, A., Burducea, I., Bursche, A., Buytaert, J., Cadeddu, S., Carvajal, J. M. Caicedo, Callot, O., Calvi, M., Gomez, M. Calvo, Camboni, A., Campana, P., Carbone, A., Carboni, G., Cardinale, R., Cardini, A., Carson, L., Akiba, K. Carvalho, Casse, G., Cattaneo, M., Charles, M., Charpentier, Ph, Chiapolini, N., Ciba, K., Vidal, X. Cid, Ciezarek, G.

“…A search is performed for the lepton number violating decay $B^{+}\rightarrow h^- \mu^+ \mu^+$, where $h^-$ represents a $K^-$ or a $\pi^-$, using data from…”
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Observation of $J/\psi$ pair production in pp collisions at $\sqrt{s}=7 TeV by Aaij, R., Ben-Haim, E., Benayoun, M., David, P., del Buono, L., Decamp, D., Ghez, Ph, Hopchev, P., Lees, J.-P., Machikhiliyan, I.V., Minard, M.-N., Pietrzyk, B., t'Jampens, S., Tisserand, V., Arrabito, L., Ajaltouni, Ziad Zj, Deschamps, O., Henrard, Pierre, Jahjah-Hussein, Marwa, Lefèvre, R., Li Gioi, L., Monteil, S., Niess, V., Perret, Pascal, Roa Romero, Diego Alejandro, Sobczak, Krzysztof Grzegorz, Adrover, C., Aslanides, E., Cogan, J., Khanji, B., Le Gac, R., Leroy, O., Mancinelli, G., Maurice, E., Perrin-Terrin, M., Sapunov, M., Serano, J., Tsaregorodtsev, A., Barsuk, S., Callot, O., d'Almagne, B., He, J., Jean-Marie, B., Lefrançois, J., Machefert, F., Martin Sanchez, A., Nicol, M., Robbe, P., Schune, M.-H., Viaud, B., Videau, I., de Bonis, Isabelle

“…The production of $J/\psi$ pairs in proton-proton collisions at a centre-of-mass energy of 7 TeV has been observed using an integrated luminosity of $37.5…”
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Proximity focusing RICH detector based on multilayer silica aerogel radiator by De Leo, R., Argentieri, A.G., Bellunato, T., Calvi, M., Cisbani, E., Cusanno, F., Garibaldi, F., Lagamba, L., Marra, M., Marrone, S., Matteuzzi, C., Musico, P., Nappi, E., Perego, D.L., Torrioli, S., Vilardi, I.

“…The performance of a proximity focusing Ring Imaging Cherenkov detector equipped with a radiator of silica aerogel is presented. The aerogel tile used is a…”
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First observation of the decay $\bar{B}^0_s \to D^0 K^{0}$ and a measurement of the ratio of branching fractions $\frac{{\cal B}(\bar{B}^0_s \to D^0 K^{0})}{{\cal B}(\bar{B}^0 \to D^0 \rho^0)} by Aaij, R., Ben-Haim, E., Benayoun, M., David, P., del Buono, L., Ghez, Ph, Hopchev, P., Lees, J.-P., Machikhiliyan, I.V., Minard, M.-N., Pietrzyk, B., t'Jampens, S., Tisserand, V., Arrabito, L., Ajaltouni, Ziad Zj, Deschamps, O., Henrard, Pierre, Jahjah-Hussein, Marwa, Lefèvre, R., Li Gioi, L., Monteil, S., Niess, V., Perret, Pascal, Roa Romero, Diego Alejandro, Sobczak, Krzysztof Grzegorz, Barsuk, S., Callot, O., d'Almagne, B., He, J., Jean-Marie, B., Lefrançois, J., Machefert, F., Martin Sanchez, A., Nicol, M., Robbe, P., Schune, M.-H., Viaud, B., Videau, I., Adrover, C., Aslanides, E., Cogan, J., Khanji, B., Le Gac, R., Leroy, O., Mancinelli, G., Maurice, E., Perrin-Terrin, M., Sapunov, M., Serrano, J., Tsaregorodtsev, A., de Bonis, Isabelle

“…The first observation of the decay $\bar{B}^0_s \to D^0 K^{*0}$ using $pp$ data collected by the LHCb detector at a centre-of-mass energy of 7 TeV,…”
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Measurement of the inclusive phi cross-section in pp collisions at sqrt(s) = 7 TeV by Aaij, R., Adeva, B., Adinolfi, M., Adrover, C., Affolder, A., Ajaltouni, Ziad Zj, Albrecht, J., Alessio, F., Hoole, Alexander M., Alkhazov, G., Cartelle, P. Alvarez, Alves Jr, A. A., Amato, S., Amhis, Y., Anderson, J., Appleby, R. B., Gutierrez, O. Aquines, Arrabito, L., Artamonov, A., Artuso, M., Aslanides, E., Auriemma, G., Bachmann, S., Back, J. J., Bailey, D. S., Balagura, V., Baldini, W., Barlow, R. J., Barschel, C., Barsuk, S., Barter, W., Bates, A., Bauer, C., Bauer, Th, Bay, A., Bediaga, I., Belous, K., Belyaev, I., Ben-Haim, E., Benayoun, M., Bencivenni, G., Benson, S., Benton, J., Bernet, R., Bettler, M. -O., van Beuzekom, M., Bien, A., Bifani, S., Bizzeti, A., Bjørnstad, P. M., Blake, T., Blanc, F., Blanks, C., Blouw, J., Blusk, S., Bobrov, A., Bocci, V., Bondar, A., Bondar, N., Bonivento, W., Borghi, S., Borgia, A., Bowcock, T. J. V., Bozzi, C., Brambach, T., Brand, J. van Den, Bressieux, J., Brett, D., Brisbane, S., Britsch, M., Britton, T., Brook, N. H., Büchler-Germann, A., Bursche, A., Buytaert, J., Cadeddu, S., Carvajal, J. M. Caicedo, Callot, O., Calvi, M., Gomez, M. Calvo, Camboni, A., Campana, P., Carbone, A., Carboni, G., Cardinale, R., Cardini, A., Carson, L., Akiba, K. Carvalho, Casse, G., Cattaneo, M., Charles, M., Charpentier, Ph, Chiapolini, N., Vidal, X. Cid, Clarke, P. E. L., Clemencic, M., Cliff, H. V., Closier, J., Coca, C., Coco, V.

“…The cross-section for inclusive phi meson production in pp collisions at a centre-of-mass energy of sqrt(s) = 7 TeV has been measured with the LHCb detector at…”
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Refractive index inhomogeneity within an aerogel block by Bellunato, T., Calvi, M., Da Silva Costa, C.F., Matteuzzi, C., Musy, M., Perego, D.L.

“…Evaluating local inhomogeneities of the refractive index inside aerogel blocks to be used as Cherenkov radiator is important for a high energy physics…”
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Observation of X(3872) production in pp collisions at sqrt(s)= 7 TeV by Aaij, R., Ben-Haim, E., Benayoun, M., David, P., del Buono, L., Decamp, D., Ghez, Ph, Hopchev, P., Lees, J.-P., Machikhiliyan, I.V., Minard, M.-N., Pietrzyk, B., t'Jampens, S., Tisserand, V., Arrabito, L., Ajaltouni, Ziad Zj, Deschamps, O., Henrard, Pierre, Jahjah-Hussein, Marwa, Lefèvre, R., Li Gioi, L., Monteil, S., Niess, V., Perret, Pascal, Roa Romero, Diego Alejandro, Sobczak, Krzysztof Grzegorz, Barsuk, S., Callot, O., d'Almagne, B., He, J., Jean-Marie, B., Lefrançois, J., Machefert, F., Martin Sanchez, A., Nicol, M., Robbe, P., Schune, M.-H., Viaud, B., Videau, I., Adrover, C., Aslanides, E., Cogan, J., Khanji, B., Le Gac, R., Leroy, O., Mancinelli, G., Maurice, E., Perrin-Terrin, M., Sapunov, M., Serrano, J., Tsaregorodtsev, A., de Bonis, Isabelle

“…Using 34.7 pb-1 of data collected with the LHCb detector, the inclusive production of the X(3872) meson in pp collisions at sqrt(s) = 7 TeV is observed for the…”
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