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Production and decay of $\eta^\prime$(958) and $\eta$(1440) in $\bar{p} p$ annihilation at rest
/ Amsler, Claude (U. Zurich (main)) ; Anisovich, A V (U. Bonn (main)) ; Baker, C A (Rutherford) ; Barnett, B M (U. Bonn (main)) ; Batty, C J (Rutherford) ; Blum, P (Karlsruhe U.) ; Braune, K (LMU Munich (main)) ; Credé, V (U. Bonn (main)) ; Crowe, K M (LBNL, Berkeley) ; Doser, M (CERN) et al.
We report on a study of four reactions in $\bar{\mathrm p}{\mathrm p}$ annihilation at rest, of $\bar{\mathrm p}{\mathrm p} \rightarrow 2\pi^ + 2\pi^-\eta$, $\bar{\mathrm p}{\mathrm p} \rightarrow 2\pi^ + 2\pi^- 2\pi^0$, $\bar{\mathrm p}{\mathrm p} \rightarrow 2\pi^ + 2\pi^-\gamma$ and $\bar{\mathrm p}{\mathrm p}\rightarrow 4\pi^0\eta$. The $\eta^\prime$ and the $\eta$(1440) are seen in their decays into $\pi^ + \pi^-\eta$, $\pi^0\pi^0\eta$ and $\pi^ + \pi^-\gamma$ ; no signal is seen in the $4\pi$ invariant mass distribution. [...]
2004 - 8 p.
- Published in : Eur. Phys. J. C 33 (2004) 23-30
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The electron capture in $^{163}$Ho experiment – ECHo
/ Gastaldo, L (Kirchhoff Inst. Phys.) ; Blaum, K (Heidelberg, Max Planck Inst.) ; Chrysalidis, K (Mainz U., Inst. Phys.) ; Day Goodacre, T (CERN) ; Domula, A (Dresden, Tech. U.) ; Door, M (Heidelberg, Max Planck Inst.) ; Dorrer, H (Mainz U., Inst. Kernphys. ; PSI, Villigen ; Bern U.) ; Düllmann, Ch E (Mainz U., Inst. Kernphys. ; Darmstadt, GSI ; Helmholtz Inst., Mainz) ; Eberhardt, K (Mainz U., Inst. Kernphys. ; Helmholtz Inst., Mainz) ; Eliseev, S (Heidelberg, Max Planck Inst.) et al.
Neutrinos, and in particular their tiny but non-vanishing masses, can be considered one of the doors towards physics beyond the Standard Model. Precision measurements of the kinematics of weak interactions, in particular of the$^{3}$H β-decay and the$^{163}$Ho electron capture (EC), represent the only model independent approach to determine the absolute scale of neutrino masses. [...]
2017 - 72 p.
- Published in : Eur. Phys. J. Spec. Top. 226 (2017) 1623-1694
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A White Paper on keV Sterile Neutrino Dark Matter
/ Drewes, M. (Munich, Tech. U.) ; Lasserre, T. (Munich, Tech. U.) ; Merle, A. (Munich, Max Planck Inst.) ; Mertens, S. (LBL, Berkeley ; KIT, Karlsruhe) ; Adhikari, R. (Jamia Millia Islamia) ; Agostini, M. (Gran Sasso) ; Ky, N.Anh (Hanoi, Inst. Phys. ; Vietnam Natl. U.) ; Araki, T. (Saitama U.) ; Archidiacono, M. (Aarhus U.) ; Bahr, M. (UC, Santa Barbara) et al.
We present a comprehensive review of keV-scale sterile neutrino Dark Matter, collecting views and insights from all disciplines involved - cosmology, astrophysics, nuclear, and particle physics - in each case viewed from both theoretical and experimental/observational perspectives. After reviewing the role of active neutrinos in particle physics, astrophysics, and cosmology, we focus on sterile neutrinos in the context of the Dark Matter puzzle. [...]
arXiv:1602.04816; FERMILAB-PUB-16-068-T.-
2017-01-13 - 239 p.
- Published in : JCAP 01 (2017) 025
Fulltext: PDF; External link: Fermilab Accepted Manuscript
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The f2(1565) in pbar-p -> (omega-omega)pizero interactions at rest
/ Baker, C.A. (Rutherford) ; Barnett, B.M. (Budapest, RMKI) ; Batty, C.J. (Rutherford) ; Braune, K. (Munich U.) ; Bugg, D.V. (Queen Mary, U. of London) ; Cramer, O. (Munich U.) ; Crede, V. (Bonn U.) ; Djaoshvili, N. (CERN) ; Dunnweber, W. (Munich U.) ; Faessler, M.A. (Munich U.) et al.
Data are presented on the reaction pbar-p -> omega-omega-pizero at rest from the Crystal Barrel detector. These data identify a strong signal due to f2(1565) -> omega-omega. [...]
arXiv:1109.2287; QMH11.-
2011 - 9 p.
- Published in : Phys. Lett. B 467 (1999) 147
Fulltext: PDF; External link: Preprint
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COMPASS-II Proposal
/ COMPASS Collaboration
The proposed new measurements comprise a Generalised Parton Distributions programme, an unpolarised PDF and FF programme, a transverse momentum dependent PDF programme and a programme for tests of chiral perturbation theory..
CERN-SPSC-2010-014 ; SPSC-P-340.
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2010. - 129.
Fulltext
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Pionic Contribution to Neutrinoless Double Beta Decay
/ Vergados, J D (University of Ioannina, Greece) ; Faessler, Amand (University of Tuebingen, Germany) ; Toki, H (RCNP, Osaka University, Japan)
It is well known that neutrinoless double decay is going to play a crucial role in settling the neutrino properties, which cannot be extracted from the neutrino oscillation data. It is, in particular, expected to settle the absolute scale of neutrino mass and determine whether the neutrinos are Majorana particles, i.e. [...]
arXiv:0911.2117.-
2010
- Published in : Phys. Rev. D 81 (2010) 034018
External link: Preprint
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