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Przejdź do strony domowej biblioteki Pedagogiczna Biblioteka Wojewódzka im. Komisji Edukacji Narodowej w Lublinie Link otwiera się w nowym oknie Logo biblioteki Prolib Integro - strona głównaPedagogiczna Biblioteka Wojewódzka im. Komisji Edukacji Narodowej w Lublinie
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Wyświetlanie 1-10 z 31
Tytuł:
New brachyuran crabs from the Aptian–Albian Romualdo Formation, Santana Group of Brazil: Evidence for a Tethyan connection to the Araripe Basin
Autorzy:
Prado, L.A.C.
Luque, J.
Barreto, A.M.F.
Palmer, A.R.
Wydawca:
Polska Akademia Nauk. Instytut Paleobiologii PAN
Powiązania:
https://bibliotekanauki.pl/articles/20539.pdf  Link otwiera się w nowym oknie
Opis:
Despite the exceptional palaeontological richness of the renowned Santana Group from the Early Cretaceous Araripe Basin of Brazil, only one specimen of true crabs (Brachyura) has been discovered to date. Here we present two new genera and species of brachyuran crabs from the upper Aptian–lower Albian Romualdo Formation of the Santana Group, represented by 30 specimens from several localities across the Araripe Basin in the state of Pernambuco, Brazil. One taxon, Exucarcinus gonzagai Prado and Luque gen. et sp. nov., is similar to several endemic stem raninoidans (Orithopsidae) from the late Aptian and early Albian of Colombia and the USA, respectively, while Romualdocarcinus salesi Prado and Luque gen. et sp. nov., seems to be closer to “higher” true crabs (Eubrachyura) from the Cenomanian of Spain. The presence of taxa similar to those from the mid-Cretaceous of northern South America, southern North America, and western Europe, reinforces the view of a Tethyan marine influence in Araripe during the breakup of South America and Africa, and adds to the growing data that suggest a generic and specific degree of endemism of true crabs in tropical South America during the mid-Cretaceous.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Quantum mechanics and CPT tests with neutral kaons at the KLOE experiment
Autorzy:
Johansson, T.
Fantini, A.
Di Salvo, R.
Höistad, B.
Di Domenico, A.
De Leo, V.
Giardina, G.
Mandaglio, G.
Martini, M.
Czerwiński, Eryk
Jacewicz, M.
Nguyen, F.
Budano, A.
Fanizzi, G.
Prado Longhi, I.
Schioppa, M.
Silarski, Michał
Wolke, M.
Babusci, D.
Loffredo, S.
Moricciani, D.
De Robertis, G.
Morello, G.
Zdebik, Jarosław
Palladino, A.
Martemianov, M.
Mascolo, M.
Lee-Franzini, J.
Ciambrone, P.
Miscetti, S.
Sarra, I.
Bencivenni, G.
Di Donato, C.
Leverington, B.
Felici, G.
Bloise, C.
Caldeira Balkeståhl, L.
De Santis, A.
Domenici, D.
Gajos, A.
Tortora, L.
Curciarello, F.
Capon, G.
Messi, R.
Bossi, F.
Happacher, F.
Graziani, E.
Passeri, A.
Badoni, D.
Fiore, S.
Loddo, F.
Venanzoni, G.
Ceradini, F.
Gauzzi, P.
Kupsc, A.
Branchini, P.
Taccini, C.
Danè, E.
Heijkenskjöld, L.
Giovannella, S.
Patera, V.
Wiślicki, W.
Sciascia, B.
Santangelo, P.
De Simone, P.
Erriquez, O.
Iafolla, L.
Bini, C.
Redmer, C. F.
Franzini, P.
Moskal, Paweł
Ranieri, A.
Pytko, Izabela
De Lucia, E.
Kacprzak, K.
Opis:
Neutral kaons produced in the correlated pairs at the DAΦNE $\phi$ -factory offer unique possibilities to perform fundamental tests of CPT invariance, as well as of the basic principles of quantum mechanics. The analysis of the data collected by the KLOE experiment allows to improve results on several parameters describing CPT violation and decoherence, and to measure the regeneration cross section on the beam pipe materials.
Dostawca treści:
Repozytorium Uniwersytetu Jagiellońskiego
Inne
Tytuł:
Precision measurements of the $e^{+}e^{-} \rightarrow \pi ^{+}\pi ^{-}\left ( \gamma \right )$ cross section with the KLOE detector
Autorzy:
Giovannella, S.
Fiore, S.
Graziani, E.
Felici, G.
Czerwiński, Eryk
Loffredo, S.
Moricciani, D.
Erriquez, O.
Bossi, F.
Gauzzi, P.
Redmer, C. F.
Martini, M.
Kupść, A.
Santangelo, P.
Wolke, M.
Di Salvo, R.
Silarski, Michał
Pytko, Izabela
Messi, R.
Miscetti, S.
Venanzoni, G.
Badoni, D.
Ciambrone, P.
Mascolo, M.
Di Domenico, A.
Domenici, D.
Happacher, F.
De Robertis, G.
Di Donato, C.
Iafolla, L.
Martemianov, M.
Zdebik, Jarosław
Prado Longhi, I.
Jacewicz, M.
Budano, A.
Lee-Franzini, J.
Ceradini, F.
Johansson, T.
Passeri, A.
Mandaglio, G.
Taccini, C.
Morello, G.
Caldeira Balkeståhl, L.
Capon, G.
Höistad, B.
Ranieri, A.
Moskal, Paweł
Branchini, P.
Bini, C.
Loddo, F.
Sarra, I.
Leverington, B.
Sciascia, B.
Danè, E.
Babusci, D.
Bencivenni, G.
Gonnella, F.
Fanizzi, G.
Giardina, G.
De Santis, A.
Tortora, L.
Heijkenskjöld, L.
Nguyen, F.
Franzini, P.
Schioppa, M.
Wiślicki, W.
Fantini, A.
Bloise, C.
De Lucia, E.
Patera, V.
Opis:
The muon anomalous magnetic moment is one of the most precisely measured quantities in particle physics and a persistent discrepancy of about $3 \sigma$ between standard model (SM) prediction and the experimental measurement has been observed. The leading order contribution $a_{\mu }^{hlo}$ is actually the main source of uncertainty in the theoretical evaluation of the muon anomaly. It is obtained by a dispersion integral using the precision measurement of hadronic cross section. The KLOE experiment at the DAΦNE $\phi$ −factory in Frascati was the first to exploit Initial State Radiation (ISR) processes to obtain the $e^{+}e^{-}\rightarrow \pi ^{+}\pi ^{-}\left ( \gamma \right )$ cross section below 1 GeV, that accounts for most (70%) of the leading order contribution to the muon anomaly. In year 2005 and 2008 the KLOE-collaboration has published two measurements of the $\pi ^{+}\pi ^{-}$ cross section with the photon in the initial state emitted at small angle, and an independent measurement with the photon emitted at large angle was finalized in year 2011. These measurements were normalized using luminosity from Bhabha. In the last years, a new analysis of KLOE data has been performed for obtaining the pion form factor directly from the bin-by-bin $\pi ^{+}\pi ^{-}\gamma$ to $\mu ^{+}\mu ^{-}\gamma$ ratio. We present the results of this new measurement, showing the comparison with our previous measurements, and its impact on the hadronic contribution to the muon anomaly.
Dostawca treści:
Repozytorium Uniwersytetu Jagiellońskiego
Inne
Tytuł:
Recent results on hadron physics at KLOE
Autorzy:
Gauzzi, P.
Tortora, L.
Ceradini, F.
Babusci, D.
Bloise, C.
Domenici, D.
Erriquez, O.
Messi, R.
Mandaglio, G.
Patera, V.
Loffredo, S.
Martemianov, M.
Sciascia, B.
Gajos, Aleksander
De Robertis, G.
Hoistad, B.
Di Salvo, R.
Branchini, P.
Leverington, B.
Miscetti, S.
Badoni, D.
Felici, G.
Morello, G.
Budano, A.
Sarra, I.
Bencivenni, G.
Taccini, C.
Redmer, C. F.
Santangelo, P.
Wiślicki, W.
Zdebik, Jarosław
Martini, M.
Mascolo, M.
Fantini, A.
Happacher, F.
Capon, G.
Schioppa, M.
Loddo, F.
Bossi, F.
Balkeståhl, L. Caldeira
Ciambrone, P.
De Leo, V.
Palladino, A.
Kupsc, A.
Longhi, I. Prado
Jacewicz, M.
Moricciani, D.
Giardina, G.
Giovannella, S.
Bini, C.
De Santis, A.
Lee-Franzini, J.
Silarski, Michał
Di Domenico, A.
Graziani, E.
Iafolla, L.
Kacprzak, K.
Moskal, Paweł
Venanzoni, G.
Czerwiński, Eryk
Wolke, M.
Fiore, S.
Heijkenskjold, L.
Passeri, A.
Ranieri, A.
Pytko, Izabela
Curciarello, F.
Johansson, T.
Franzini, P.
Dane, E.
Di Donato, C.
De Lucia, E.
Nguyen, F.
Fanizzi, G.
Wydawca:
ARISF
Opis:
One of the basic motivations of the KLOE and KLOE-2 collaborations is the test of fundamental symmetries and the search for phenomena beyond the Standard Model via the hadronic and leptonic decays of ground-state mesons and via their production in the fusion of virtual gamma quanta exchanged between colliding electrons and positrons. This contribution includes brief description of results of recent analysis of the KLOE data aimed at (i) the search for the dark matter boson, (ii) determination of the hadronic and light-by-light contributions to the g-2 muon anomaly and (iii) tests of QCD anomalies.
Dostawca treści:
Repozytorium Uniwersytetu Jagiellońskiego
Inne
Tytuł:
Physics topics at KLOE-2
Autorzy:
Johansson, T.
Kulikov, V.
Höistad, B.
Di Domenico, A.
Giardina, G.
Mandaglio, G.
Martini, M.
Nguyen, F.
Czerwiński, Eryk
Jacewicz, M.
Kowalewska, A.
Budano, A.
Campana, P.
Fanizzi, G.
Matsyuk, M.
Prado Longhi, I.
Wolke, M.
Babusci, D.
Moricciani, D.
De Robertis, G.
Morello, G.
Zdebik, Jarosław
De Zorzi, G.
Martemianov, M.
Mascolo, M.
Lee-Franzini, J.
Ciambrone, P.
Miscetti, S.
Sarra, I.
Bencivenni, G.
Di Donato, C.
Versaci, R.
Felici, G.
Bloise, C.
Caldeira Balkeståhl, L.
Dané, E.
De Santis, A.
Domenici, D.
Tortora, L.
Balwierz, I.
Capon, G.
Messi, R.
Bossi, F.
Happacher, F.
Graziani, E.
Passeri, A.
Bulychjev, S. A.
Badoni, D.
Fiore, S.
Loddo, F.
Sciubba, A.
Venanzoni, G.
Ceradini, F.
Gauzzi, P.
Kupsc, A.
Branchini, P.
Bocci, V.
Taccini, C.
Giovannella, S.
Patera, V.
Wiślicki, W.
Sciascia, B.
Santangelo, P.
Erriquez, O.
Iafolla, L.
Bini, C.
Redmer, C. F.
Franzini, P.
Gonnella, F.
Iarocci, E.
Moskal, Paweł
Archilli, F.
Silarski, Michał
Ranieri, A.
De Lucia, E.
Opis:
The goal of the KLOE-2 experiment operating at the upgraded DA$\Phi$NE $e^{+}e^{-}$ collider is to collect an integrated luminosity of about $20 fb^{-1}$ over 3-4 years of running. The KLOE-2 apparatus is now equipped with an inner tracker, new scintillation calorimeters and tagging detectors for $\gamma \gamma$ physics. These will allow measurements to refine and extend the KLOE programme on kaon physics and tests of fundamental symmetries as well as quantum interferometry. Here the latest results from the KLOE data analysis are presented and the perspectives at KLOE-2 outlined.
Dostawca treści:
Repozytorium Uniwersytetu Jagiellońskiego
Inne
Wyświetlanie 1-10 z 31

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