| Records |
| Author |
NEMO-3 Collaboration (Arnold R. et al); Martin-Albo, J.; Novella, P. |
| Title |
Measurement of the beta beta Decay Half-Life of (130)Te with the NEMO-3 Detector |
Type |
Journal Article |
Year  |
2011 |
Publication |
Physical Review Letters |
Abbreviated Journal |
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| Volume |
107 |
Issue |
6 |
Pages |
062504 |
| Keywords |
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| Abstract |
We report results from the NEMO-3 experiment based on an exposure of 1275 days with 661 g of (130)Te in the form of enriched and natural tellurium foils. The beta beta decay rate of (130)Te is found to be greater than zero with a significance of 7.7 standard deviations and the half-life is measured to be T(1/2)(2v)=[7.0 +/- 0.9(stat) +/- 1: 1(syst)] x 10(20) yr. This represents the most precise measurement of this half- life yet published and the first real-time observation of this decay. |
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0031-9007 |
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| Notes |
WOS:000293562700003 |
Approved |
no |
| Is ISI |
yes |
International Collaboration |
yes |
| Call Number |
IFIC @ elepoucu @ |
Serial |
715 |
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| Author |
Tamii, A. et al; Rubio, B. |
| Title |
Complete Electric Dipole Response and the Neutron Skin in (208)Pb |
Type |
Journal Article |
| Year |
2011 |
Publication |
Physical Review Letters |
Abbreviated Journal |
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| Volume |
107 |
Issue |
6 |
Pages |
062502 |
| Keywords |
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| Abstract |
A benchmark experiment on (208)Pb shows that polarized proton inelastic scattering at very forward angles including 0 degrees is a powerful tool for high-resolution studies of electric dipole (E1) and spin magnetic dipole (M1) modes in nuclei over a broad excitation energy range to test up-to-date nuclear models. The extracted E1 polarizability leads to a neutron skin thickness r(skin) = 0.156(-0.021)(+0.025) fm in (208)Pb derived within a mean-field model [Phys. Rev. C 81, 051303 (2010)], thereby constraining the symmetry energy and its density dependence relevant to the description of neutron stars. |
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0031-9007 |
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| Notes |
WOS:000293447900005 |
Approved |
no |
| Is ISI |
yes |
International Collaboration |
yes |
| Call Number |
IFIC @ elepoucu @ |
Serial |
716 |
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| Author |
CDF Collaboration (Aaltonen, T. et al); Cabrera, S. |
| Title |
Search for a Very Light CP-Odd Higgs Boson in Top Quark Decays from p p-bar Collisions at sqrt(s)=1.96 TeV |
Type |
Journal Article |
| Year |
2011 |
Publication |
Physical Review Letters |
Abbreviated Journal |
Phys. Rev. Lett. |
| Volume |
107 |
Issue |
3 |
Pages |
031801 - 8pp |
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| Abstract |
We present the results of a search for a very light CP-odd Higgs boson a(1)(0) originating from top quark decays t -> H(+/-)b -> W(+/-(*)) a(1)(0)b, and subsequently decaying into tau(+)tau(-). Using a data sample corresponding to an integrated luminosity of 2.7 fb(-1) collected by the CDF II detector in p (p) over bar collisions at 1.96 TeV, we perform a search for events containing a lepton, three or more jets, and an additional isolated track with transverse momentum in the range 3 to 20 GeV/c. Observed events are consistent with background sources, and 95% C.L. limits are set on the branching ratio of t -> H(+/-)b for various masses of H(+/-) and a(1)(0). |
| Address |
[Aaltonen, T; Brucken, E; Devoto, F; Mehtala, P; Orava, R] Helsinki Inst Phys, FIN-00014 Helsinki, Finland |
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Amer Physical Soc |
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English |
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0031-9007 |
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| Notes |
WOS:000292597400004 |
Approved |
no |
| Is ISI |
yes |
International Collaboration |
yes |
| Call Number |
IFIC @ pastor @ |
Serial |
695 |
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ATLAS Collaboration (Aad, G. et al); Amoros, G.; Cabrera Urban, S.; Castillo Gimenez, V.; Costa, M.J.; Escobar, C.; Ferrer, A.; Fuster, J.; Garcia, C.; Gonzalez de la Hoz, S.; Hernandez Jimenez, Y.; Higon-Rodriguez, E.; Irles Quiles, A.; Kaci, M.; Lacasta, C.; Lacuesta, V.R.; Marti-Garcia, S.; Miñano, M.; Mitsou, V.A.; Moles-Valls, R.; Moreno Llacer, M.; Oliver Garcia, E.; Perez Garcia-Estañ, M.T.; Ros, E.; Salt, J.; Solans, C.A.; Soldevila, U.; Sanchez, J.; Torro Pastor, E.; Valladolid Gallego, E.; Valls Ferrer, J.A.; Villaplana Perez, M.; Vos, M.; Wildauer, A. |
| Title |
Measurement of the W+W- Cross Section in sqrt(s)=7 TeV pp Collisions with ATLAS |
Type |
Journal Article |
| Year |
2011 |
Publication |
Physical Review Letters |
Abbreviated Journal |
Phys. Rev. Lett. |
| Volume |
107 |
Issue |
4 |
Pages |
041802 - 18pp |
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| Abstract |
This Letter presents a measurement of the W(+)W(-) production cross section in root s = 7 TeV pp collisions by the ATLAS experiment, using 34 pb(-1) of integrated luminosity produced by the Large Hadron Collider at CERN. Selecting events with two isolated leptons, each either an electron or a muon, 8 candidate events are observed with an expected background of 1.7 +/- 0.6 events. The measured cross section is 41(-16)(+20)(stat) +/- 5(syst) +/- 1(lumi) pb, which is consistent with the standard model prediction of 44 +/- 3 pb calculated at next-to-leading order in QCD. |
| Address |
[Bahinipati, S; Buchanan, NJ; Chan, K; Chen, L; Gingrich, DM; Kim, MS; Liu, S; Moore, RW; Pinfold, JL; Soni, N; Subramania, HS] Univ Alberta, Dept Phys, Edmonton, AB, Canada |
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Amer Physical Soc |
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English |
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0031-9007 |
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Expedition |
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Conference |
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| Notes |
WOS:000292922100003 |
Approved |
no |
| Is ISI |
yes |
International Collaboration |
yes |
| Call Number |
IFIC @ pastor @ |
Serial |
698 |
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T2K Collaboration (Abe, K. et al); Cervera-Villanueva, A.; Escudero, L.; Gomez-Cadenas, J.J.; Hansen, C.; Monfregola, L.; Sorel, M.; Stamoulis, P. |
| Title |
Indication of Electron Neutrino Appearance from an Accelerator-Produced Off-Axis Muon Neutrino Beam |
Type |
Journal Article |
| Year |
2011 |
Publication |
Physical Review Letters |
Abbreviated Journal |
Phys. Rev. Lett. |
| Volume |
107 |
Issue |
4 |
Pages |
041801 - 8pp |
| Keywords |
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| Abstract |
The T2K experiment observes indications of nu(mu) -> nu(mu) e appearance in data accumulated with 1.43 x 10(20) protons on target. Six events pass all selection criteria at the far detector. In a three-flavor neutrino oscillation scenario with |Delta m(23)(2)| = 2.4 x 10(-3) eV(2), sin(2)2 theta(23) = 1 and sin(2)2 theta(13) = 0, the expected number of such events is 1.5 +/- 0.3(syst). Under this hypothesis, the probability to observe six or more candidate events is 7 x 10(-3), equivalent to 2.5 sigma significance. At 90% C.L., the data are consistent with 0.03(0.04) < sin(2)2 theta(13) < 0.28(0.34) for delta(CP) = 0 and a normal (inverted) hierarchy. |
| Address |
[Abe, K; Hayato, Y; Iyogi, K; Kameda, J; Koshio, Y; Kouzuma, Y; Miura, M; Moriyama, S; Nakahata, M; Nakayama, S; Obayashi, Y; Sekiya, H; Shiozawa, M; Suzuki, Y; Takeda, A; Takenaga, Y; Ueno, K; Yamada, S] Univ Tokyo, Inst Cosm Ray Res, Kamioka Observ, Kamioka, Akita, Japan |
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Amer Physical Soc |
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English |
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0031-9007 |
ISBN |
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Expedition |
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Conference |
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| Notes |
WOS:000292822700003 |
Approved |
no |
| Is ISI |
yes |
International Collaboration |
yes |
| Call Number |
IFIC @ pastor @ |
Serial |
701 |
| Permanent link to this record |
