Johannes Gutenberg University Mainz

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hep-ex2021★ 10 cited

Observation of $J / ψ$ Electromagnetic Dalitz Decays to $X (1835)$ , $X (2120)$ and $X (2370)$

BESIII Collaboration, M. Ablikim, M. N. Achasov +543

Using a sample of about 10 billion $J / ψ$ events collected at a center-of-mass energy $s = 3.097$ GeV with the BESIII detector, the electromagnetic Dalitz decays $J/ψ\to e^+e^…

hep-ex2021★ 17 cited

Proton Electromagnetic Form Factors in the Time-like Region through the Scan Technique

L. Xia, Ch. Rosner, Y. D. Wang +5

For over 100 years, scientists have investigated the properties of the proton, which is one of the most abundant components of visible matter in the universe. Nevertheless, researc…

hep-ex2021★ 33 cited

First Directional Measurement of sub-MeV Solar Neutrinos with Borexino

M. Agostini, K. Altenmüller, S. Appel +94

We report the measurement of sub-MeV solar neutrinos through the use of their associated Cherenkov radiation, performed with the Borexino detector at the Laboratori Nazionali del G…

astro-ph.CO2021★ 10 cited

Thermal and annihilation radiation in the quark nugget model of dark matter

V. V. Flambaum, I. B. Samsonov

The Quark Nugget (QN) model of dark matter suggests that the dark matter may consist of compact composite objects of quark matter. Although such composite particles can strongly in…

physics.chem-ph2021★ 13 cited

Symmetry constraints on spin order transfer in parahydrogen-induced polarization (PHIP)

Andrey N. Pravdivtsev, Danila A. Barskiy, Jan-Bernd Hövener +1

It is well known that the association of parahydrogen (pH2) with an unsaturated molecule or a transient metalorganic complex can enhance the intensity of NMR signals; the effect is…

hep-ex2021★ 12 cited

Cross section measurements of the $e^{+} e^{-} \to D^{+} D^{-}$ and $e^{+} e^{-} \to D^{*+} D^{-}$ processes at center-of-mass energies from 4.085 to 4.600 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +549

The Born cross sections of the $e^{+} e^{-} \to D^{*+} D^{*-}$ and $e^{+} e^{-} \to D^{*+} D^{-}$ processes are measured using $e^{+} e^{-}$ collision data collected with the BESIII experiment at cen…

Observation of J/ψ Electromagnetic Dalitz Decays to X(1835), X(2120) and X(2370)