Gravitino and other spin-32quasinormal modes in Schwarzschild-AdS spacetime

Abstract

We investigate quasinormal mode frequencies ω n of gravitinos and generic massive spin-3 2 fields in a Schwarzschild-AdS D background in spacetime dimension D > 3, in the black brane (large black hole) limit appropriate to many applications of the AdS/CFT correspondence. First, we find asymptotic formulas for ω n in the limit of large overtone number n. Asymptotically, ω n ≃ nΔω þ Oðln nÞ þ Oðn 0 Þ, where Δω is a known constant, and here we compute the Oðln nÞ and Oðn 0 Þ corrections to the leading OðnÞ behavior. Then we compare to numerical calculations of exact quasinormal mode frequencies. Along the way, we also improve the reach and accuracy of an earlier, similar analysis of spin-1 2 fields.

Results of the search for neutrinoless double-βdecay inMo100with the NEMO-3 experiment

“…The calibration of the calorimeter, the long-term stability of data taking, and the determination of the backgrounds are discussed in detail. No evidence for 0νββ decays of 100 Mo has been found, as previously reported in our rapid communication [7]. Taking into account statistical and systematic uncertainties, the limit on the 0νββ decay half-life with decay kinematics similar to that for light Majorana neutrino exchange is T 1=2 ð0νββÞ > 1.1 × 10 24 yr (90% C.L.).…”

“…The corresponding upper limit on the effective Majorana neutrino mass is hm ν i < 0.33-0.62 eV, where the range is determined by existing uncertainties on the calculations of the NMEs [16][17][18][19][20] and phase space factors [21,22]. The upper value 0.62 eV is lower than the upper value previously reported in our rapid communication [7], because of the use of the new NME calculation from [16], which is an update of the previous calculation [23].…”

“…A result based on a subset of the data had previously been published in [6]. We reported as rapid communications [7] the results of a search for 0νββ decays for the entire data set, corresponding to a live time of 4.96 yr and an exposure of 34.3 kg · yr of 100 Mo. In this paper, we describe this analysis in more detail.…”

Holographic QCD: Past, present, and future

“…An interesting idea of heavy quark energy loss through the Cherenkov radiation of mesons by quarks was explored in the gauge/gravity duality [70]. For more on energy loss including recent developments, we refer to [71,72] and references therein. Now, we move onto another probe of the QGP.…”

Search for neutrinoless double-beta decay and measurement of double beta decay with two neutrinos with the NEMO-3 detector

“…evidence of a signal and thus a lower limit, in the light-Majorana neutrino exchange hypothesis, for the half-life has been set at This corresponds, via equation 1.1, to a limit on the Majorana neutrino mass of m ν < 0.3 − 0.6 eV where the range is due to the aforementioned uncertainties in the NME values. Using NEMO-3's ability to distinguish between different 0νββ decay modes limits have also been set on various other potential processes as summarized in [2] and [3].…”