Final results from phase II of the Mainz neutrino mass searchin tritium ${\beta}$ decay (English)

In: The European Physical Journal C - Particles and Fields   ;  40 ,  4  ;  447-468  ;  2005

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Abstract. This paper reports on the improved Mainz experiment on tritium $\beta$ spectroscopy which yields a 10 times higher signal to background ratio than before. The main experimental effects and systematic uncertainties have been investigated in side experiments, and possible error sources have been eliminated. Extensive data taking took place in the years 1997 to 2001. A residual analysis of the data sets yields for the square of the electron antineutrino mass the final result of $m^2(\nu_e) = (-0.6 \pm 2.2_{\mathrm{{stat}}} \pm 2.1_{\mathrm{{syst}}})$ eV2/c4. We derive an upper limit of $m(\nu_e)\leq 2.3$ eV/c2 at 95% confidence level for the mass itself.

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447
Final results from phase II of the Mainz neutrino mass searchin tritium ${\beta}$ decay
Kraus, Ch / Bornschein, B. / Bornschein, L. / Bonn, J. / Flatt, B. / Kovalik, A. / Ostrick, B. / Otten, E. W. / Schall, J. P. / Thümmler, Th et al. | 2005
447
Final results from phase II of the Mainz neutrino mass searchin tritium InlineEquation ID="Equ1"> ImageObject FileRef="100522005Article2139TeX2GIFEqu1.gif"Format="GI "Color="BlackWhite" Type="Linedraw" Rendition="HTML"-> EquationSource Format="TEX"> decay
Kraus, Ch / Bornschein, B. / Bornschein, L. / Bonn, J. / Flatt, B. / Kovalik, A. / Ostrick, B. / Otten, E.W. / Schall, J.P. | 2005
447
Final results from phase II of the Mainz neutrino mass searchin tritium Formula Not Shown decay
Kraus, C. / Bornschein, B. / Bornschein, L. / Bonn, J. / Flatt, B. / Kovalik, A. / Ostrick, B. / Otten, E. W. / Schall, J. P. / Thümmler, T. | 2005
469
QCD analysis of dijet production at low Q 2 at HERA
Chýla, J. / Cvach, J. / Sedlák, K. / Taševský, M. | 2005
473
New method to extract the neutron-electron scattering length
Mitsyna, L. V. / Nikolenko, V. G. / Parzhitski, S. S. / Popov, A. B. / Samosvat, G. S. | 2005
479
Study of the neutron quantum states in the gravity field
Nesvizhevsky, V. V. / Petukhov, A. K. / Börner, H. G. / Baranova, T. A. / Gagarski, A. M. / Petrov, G. A. / Protasov, K. V. / Voronin, A. Yu / Baeßler, S. / Abele, H. et al. | 2005
493
Corrections to quark asymmetries at LEP
Freitas, A. / Mönig, K. | 2005
497
Optimal observables and phase-space ambiguities
Nachtmann, O. / Nagel, F. | 2005
505
Polarized forward-backward asymmetries of leptonsin InlineEquation ID="Equ1"> ImageObject FileRef="100522005Article2150TeX2GIFEqu1.gif" Format="GIF" Color="BlackWhite" Type="Linedraw" Rendition="HTML"-> EquationSource Format="TEX"> decay
Aliev, T.M. / Bashiry, V. / Savcí, M. | 2005
505
Polarized forward-backward asymmetries of leptonsin $B_s \rightarrow \ell^ + \ell^- \gamma$ decay
Aliev, T. M. / Bashiry, V. / Savcí, M. | 2005
505
Polarized forward-backward asymmetries of leptons in Bs-> l+l- gamma decay
Aliev, T.M. / Bashiry, V. / Savci, M. | 2005
505
Polarized forward-backward asymmetries of leptonsin Formula Not Shown decay
Aliev, T. M. / Bashiry, V. / Savcí, M. | 2005
515
Probing the perturbative NLO parton evolution in the small-x region
Glück, M. / Pisano, C. / Reya, E. | 2005
519
The QCD pomeron in ultraperipheral heavy ion collisions: IV. Photonuclear production of vector mesons
Gonçalves, V. P. / Machado, M. V. T. | 2005
531
Confinement from new global defect structures
Bazeia, D. / Brito, F. A. / Freire, W. / Ribeiro, R. F. | 2005
539
Realistic neutrino masses from multi-brane extensions of the Randall-Sundrum model?
Moreau, G. | 2005
555
H/A Higgs mixing in CP-noninvariant supersymmetric theories
Choi, S. Y. / Kalinowski, J. / Liao, Y. / Zerwas, P. M. | 2005
565
Exclusive semileptonic rare decays B-> K(*)l+l- in a SUSY SO(10) GUT
Li, Wen-Jun / Dai, Yuan-Ben / Huang, Chao-Shang | 2005
565
Exclusive semileptonic rare decays InlineEquation ID="Equ1"> ImageObject FileRef="100522005Article2132TeX2GIFEqu1.gif" Format="GIF"Color="BlackWhite"Type="Linedraw"Rendition="HTML"-> EquationSource Format="TEX"> in a SUSY SO(10) GUT
Li, Wen-Jun / Dai, Yuan-Ben / Huang, Chao-Shang | 2005
565
Exclusive semileptonic rare decays $B \to K^{(*)} l^ + l^-$ in a SUSY SO(10) GUT
Li, Wen-Jun / Dai, Yuan-Ben / Huang, Chao-Shang | 2005
565
Exclusive semileptonic rare decays Formula Not Shown in a SUSY SO(10) GUT
Li, W. J. / Dai, Y. B. / Huang, C. S. | 2005
579
Yukawa coupling structure in intersecting D-brane models
Kitazawa, N. / Kobayashi, T. / Maru, N. / Okada, N. | 2005