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(Click for frequent words.) 77 MeV 73 meV 73 GeV 72 cm -2 71 photon energies 71 cm -1 70 kcal mol 69 electronvolts 69 photoemission 68 m z 68 arcmin 67 μm wavelength 67 mJ 67 micron wavelength 67 cm -3 67 dI dV 67 kVp 66 arcminutes 66 dipole moment 66 GPa 66 nT 66 arcsec 66 z = 66 electron diffraction 65 linewidth 65 X ray pulses 65 mu m 65 femtosecond pulses 65 μW 64 electron volt 64 gamma ray emission 64 microvolts 64 λ 64 mT 63 Mpc 63 1kHz 63 absorption coefficient 63 arcsecond 63 electron volts 63 mK 63 absorption spectra 63 fs pulses 63 arcseconds 63 picoseconds 63 irradiance 63 μm 63 femtoseconds 63 electron bunches 62 Å -1 62 anisotropy 62 resonance frequency 62 ARPES 62 redshifts 62 backscattered 62 kelvin 62 quasiparticle 62 mrad 62 nm excitation 62 SNe Ia 62 cm ² 62 μm diameter 62 #.#nm [002] 62 FWHM 62 electron volts eV 62 pulse durations 62 photocurrent 62 ε 62 σ 62 phonon 62 luminosities 61 redshift 61 pulsed lasers 61 nanometer wavelength 61 photoluminescence 61 attoseconds 61 collimated 61 g cm 61 NMR spectra 61 laser pulses 61 velocity dispersion 61 absorbance 61 electron density 61 IR wavelengths 61 spectra 61 UV wavelengths 61 kpc 61 visible wavelengths 61 excitation energies 61 amplitudes 61 γ 61 Nd YAG 61 isotropic 61 attosecond 61 ppm U 61 electrical resistivity 61 oscillation frequency 61 linearly polarized 61 Fig. 1a 61 Raman scattering 60 nanosecond pulses 60 √ Hz 60 μV 60 J# +# [002] 60 τ 60 circular dichroism 60 ms -1 60 Fig. 2A 60 conductance 60 #mV V 60 picometers 60 picosecond 60 1μm 60 infrared wavelength 60 Carina constellation 60 W/cm2 60 magnetization 60 antineutrinos 60 kT 60 z ~ 60 photoelectron 60 millivolts 60 inelastic scattering 60 photon counting 60 mV V 60 THz 60 X ray emission 60 cm ^ sup 60 fig. S2 60 excitation wavelength 60 χ 60 Fig. 4a 60 yr -1 60 5μm 60 QCLs 60 Supplementary Table 60 θ 60 Ytterbium 60 η 59 shear modulus 59 dipolar 59 photoionization 59 Fig. 1c 59 mCi 59 emission wavelength 59 circularly polarized 59 mV 59 THz radiation 59 excitation 59 VHE gamma rays 59 SiO 2 59 Fig. 2b 59 cosmic ray particles 59 galaxy redshift 59 photometry 59 resonant frequency 59 #.#μm [001] 59 orbitals 59 Vpp 59 Gamma rays 59 interferometers 59 electron neutrinos 59 gravitational radiation 59 microampere 59 polaritons 59 ° sec 59 x ray beam 59 dB insertion loss 59 antineutrino 59 helium atoms 59 wavelengths 59 diffraction pattern 59 inhomogeneous 59 mG 59 gigapascals 59 hyperfine 59 surface plasmon 59 electrons emitted 59 gauss 59 micromolar 59 azimuthal 58 Fig. 1A 58 oxyhemoglobin 58 spectrometric 58 fluorescence intensity 58 helium nuclei 58 nm wavelength 58 photometer 58 #nm #nm [001] 58 MnO 58 torr 58 enthalpy 58 cosmic ray protons 58 Supplementary Fig 58 X ray beam 58 vibrational modes 58 absorption spectroscopy 58 relativistic protons 58 ultraviolet wavelengths 58 paramagnetic 58 helium ions 58 ^ sup -1 58 blackbody 58 #ppm U 58 Fig. 3b 58 microcavity 58 mW/cm2 58 diffract 58 optical wavelengths 58 spectral bands 58 photolysis 58 femtogram 58 Fig. 2B 58 plasmon 58 x ray beams 58 micrometre 58 unpolarized 58 HRTEM 58 neodymium Nd 58 synthetic aperture 58 angstroms 58 Mössbauer 58 gamma ray flares 58 excitations 58 SINFONI 58 nucleon 58 collimators 58 microwatt 58 diffraction patterns 58 Kelvins 58 powder diffraction 58 muon neutrinos 58 emits photons 58 rubidium vapor 58 micrometre sized 58 magnetoresistance 58 m/s2 58 tetragonal 58 multiwavelength 58 magnetisation 58 luminous flux 58 cd m 58 ultraviolet laser 58 Figs. 58 isotherm 57 ionise 57 infrared LEDs 57 transcranial 57 chemiluminescence 57 #nm laser [002] 57 δ 57 radiometry 57 microvolt 57 microquasar 57 electron scattering 57 nucleons 57 emissivity 57 μs 57 infrared spectral 57 Fig. 4c 57 fA 57 submillimetre wavelengths 57 2dB 57 Yb 57 spectrographs 57 millimeter wavelengths 57 gamma ray 57 spectroscopic 57 energetic gamma rays 57 diffracted 57 infrared wavelengths 57 Nd 57 collinear 57 Fe Mg 57 galactic disk 57 quantum oscillations 57 Fig. 1b 57 lanthanum La 57 micron diameter 57 1ppm 57 2kHz 57 adsorption isotherms 57 Raman spectra 57 brightnesses 57 polarimetry 57 Fig. 57 isotope fractionation 57 periodicities 57 ESO PR 57 gravitational acceleration 57 fluorescence emission 57 #μm [001] 57 1nm 57 megapascals 57 milligauss 57 quadrillionths 57 monochromator 57 gamma rays emitted 57 attosecond pulses 57 ZrO 2 57 distant quasar 57 scintillator 57 -1 ^ 57 VLTI 57 Josephson junction 57 infrared photons 57 SAXS 57 Si substrate 57 dipole 57 -# mV [001] 57 μS cm 57 fluence 57 laser pulse 57 Cosmic Microwave Background CMB 57 ν 57 nm spectral 57 blazar 57 inhomogeneities 57 near infrared NIR 56 SQUIDs 56 Ly alpha 56 X ray wavelengths 56 diffraction 56 -# mV [002] 56 #nm wavelength [001] 56 chromatogram 56 detect gamma rays 56 frequency comb 56 r2 = 56 metallicity 56 ultrashort pulses 56 electrons orbiting 56 spectroscopic analysis 56 Ti sapphire laser 56 AGNs 56 t/m3 56 #ppm Cu 56 antiprotons 56 ESO VLT 56 Fig. 3B 56 ellipsoids 56 Cherenkov radiation 56 #ppb Au [002] 56 electromagnetic flux 56 Fig. 2a 56 electron beams 56 polariton 56 microwatts 56 #lm [002] 56 Fig. 2c 56 fig. S3 56 submillimeter 56 kD 56 thermal EMF 56 nanomolar 56 transmissivity 56 cm sec 56 femtosecond pulse 56 tesla 56 cesium atoms 56 CdSe 56 wavelength tunable 56 μS 56 deformable mirror 56 Coulomb blockade 56 sodium atoms 56 Eq. 56 photon detection 56 isotherms 56 perturbation theory 56 X ray spectrometer 56 ultraviolet wavelength 56 W/m2 56 Hz 56 μH 56 scanning electron 56 dopant 56 kg/m3 56 nanosecond pulse 56 optically pumped 56 gravitationally lensed 56 kGy 56 magnon 56 Â ± 56 #nm laser [001] 56 antiproton 56 mN 56 magnetic flux 56 megajoules 56 #μm [002] 56 molecular orbitals 56 resonant frequencies 56 transfer FRET 56 kBq 56 Wm -2 56 2ppm 56 intrinsic brightness 56 Mott insulator 56 surface plasmons 56 diffusivity 56 logarithmic scale 56 candelas per 56 bandgaps 56 microlens 56 ps nm 56 illuminance 56 supernova remnant 56 gravitational redshift 56 micron thick 56 dispersive 56 HARPS spectrograph attached 56 Fig. 4A 56 backscattering 56 radiative cooling 56 evanescent waves 56 ω 56 Fig. 3A 56 auroral 56 κ 56 muon 56 scanning electron microscopes 56 fig. S1 56 mm ^ sup 56 SiO 56 QDs 56 Fig. 4B 56 cesium atom 56 GRB# 56 wavelength 56 scanning microscopy 55 silicate dust 55 teraelectronvolts TeV 55 photons emitted 55 #.#Hz 55 millimeter wavelength 55 W bosons 55 temperature coefficient 55 proton proton collisions 55 high redshift galaxies 55 dBFS 55 bandgap 55 lowermost mantle 55 μsec 55 femtosecond 55 MgO 55 cantilever deflection 55 multiphoton 55 Doppler shifts 55 gamma ray radiation 55 fluorescence excitation 55 synchrotron X ray 55 transmittance 55 LWIR 55 passband 55 Fourier transform 55 subwavelength 55 mol 55 kΩ 55 frequency harmonics 55 neutrons 55 Shutter speeds 55 nuclide 55 ± #.#dB 55 airglow 55 Spectroscopic 55 mGy 55 valence electron 55 #.#MHz [007] 55 antiparallel 55 collimated beam 55 Cygnus X 55 UV photons 55 CuO 55 photosphere 55 collimator 55 ppm boron 55 solar corona 55 narrow linewidth 55 Michelson interferometer 55 T2 weighted images 55 shorter wavelengths 55 MWNT 55 Fig. 4b 55 induced fluorescence 55 IR spectra 55 fermion 55 candelas 55 plagioclase 55 magnetic dipole 55 NASA Wilkinson Microwave 55 starburst galaxies 55 kDa 55 copper oxides 55 mA output 55 microcavities 55 ppbv 55 milliwatt 55 #ppb [001] 55 CAIs 55 x ray scattering 55 ohm cm 55 wavebands 55 birefringence 55 W boson 55 pmol 55 -# º C [002] 55 diene 55 emitted photons 55 #nm #nm [002] 55 cerium Ce 55 gamma probe 55 input impedance 55 FDG uptake 55 antiparticle 55 intracavity 55 capacitances 55 neutron beams 55 -# dBm [001] 55 cm ³ 55 xenon lamp 55 dielectric constant 55 nonlinearity 55 millivolt 55 lowpass filter 55 X ray binaries 55 Fig. 1d 55 magnetic susceptibility 55 scfm 55 tropospheric 55 californium 55 mAs 55 excitation wavelengths 55 platinum Pt 55 Interferometric 55 eclogitic 55 emittance 55 circularly polarized light 55 MoS2 55 MΩ 55 nH 55 MBq 55 orthogonal directions 55 sinusoid 55 diffracting 55 interferometric 55 luminous galaxies 55 colloidal crystals 55 -# ° C [001] 55 X ray photons 55 linear interpolation 55 nsec 55 mmol 55 surface plasmon resonance 55 mW cm 2 55 5kHz 55 ohm load 55 psia 55 intensities 55 neutron radiation 55 linearized 55 photomultiplier 55 corona discharge 55 uV 55 photochemical reactions 55 Myr 55 X ray diffraction pattern 55 vanadate 55 neutrino experiments 55 μm thick 54 gaussian 54 titanium sapphire 54 ion flux 54 Young modulus 54 Angstroms 54 Fig. 2d 54 energetic electrons 54 ferromagnetism 54 circular polarization 54 geoneutrinos 54 femtosecond laser pulses 54 terahertz THz 54 superposed 54 #.#um [001] 54 m 54 roentgen 54 fluorophores 54 hysteresis loop 54 neutron flux 54 infrared imager 54 Amperes 54 2nm 54 #ppb Au [001] 54 AB Aurigae 54 supercurrent 54 submillimetre 54 rms noise 54 photon absorption 54 Mg Fe 54 milliohm 54 Z axes 54 chromite grains 54 photon 54 interferometric observations 54 nanomesh 54 Brillouin zone 54 baryon 54 mrem 54 spherically symmetric 54 Fig. 1D 54 F FDG 54 bosonic 54 ionization 54 micrometer 54 kPa 54 spatially resolved 54 Lorentzian 54 Nernst 54 pulse widths 54 mΩ 54 Carinae 54 ppmv 54 electron accelerator 54 Wh kg 54 interferometer 54 anthracene 54 non dispersive infrared 54 pyrope garnets 54 PaO 2 54 hafnium oxide 54 eclipsing binary 54 VLT telescope 54 nm wavelengths 54 oscillator frequency 54 Cepheids 54 muons 54 photon emission 54 dipoles 54 copper Cu 54 Lyman alpha 54 emission spectrometer 54 centimetric 54 2μm 54 μSv 54 ^ sup 54 voltage outputs 54 X ray spectroscopy 54 emission spectra 54 bandpass 54 oC 54 #m Tc 54 NICMOS 54 spectroscopically 54 rubidium atom 54 isomers 54 spectroscopic measurements 54 photoactivation 54 ZXLD# 54 coronal 54 X ray absorption spectroscopy 54 cGy 54 ZnSe 54 U Th 54 diffusion coefficient 54 horizontally polarized 54 photobleaching 54 Brookhaven Relativistic Heavy 54 UV VIS 54 1mA 54 FeO 54 wavelength lasers 54 Zr 54 photomultiplier tube 54 sieverts 54 wavelength infrared 54 superconducting quantum interference 54 spectroscopy 54 Bose Einstein Condensate 54 radiometer 54 thermal equilibrium 54 Figure 1A 54 palladium Pd 54 6GHz 54 mbar 54 photon fluorescence 54 amplitude modulated 54 CMB radiation 54 samarium 54 ppm U. 54 numerical aperture 54 chromosphere 54 YAG lasers 54 #Ω [002] 54 mm ² 54 gamma rays 54 linac 54 ellipsometry 54 photometric 54 toroid 54 PIN diode 54 ratiometric 54 supergiant star 54 blazars 54 thyroglobulin 54 interferometry 54 cyclization 54 z axes 54 kHz 54 GALEX 54 wavelength UV 54 terawatt 54 quadrillionth 54 submillimeter wavelength 54 RS Ophiuchi 54 ppm Pb 53 ppm Cu 53 Planck constant 53 gamma ray detectors 53 pmol L 53 φ 53 x ray diffraction 53 microamps 53 Bulk density 53 electron pairing 53 neutron beam 53 Hipparcos 53 Earth radii 53 mm f/#.#-#.# 53 ug l 53 airborne magnetic anomaly 53 volcanic aerosols 53 IR LEDs 53 #.#V [002] 53 #ppb [003] 53 ellipsoid 53 helium atom 53 wavefunction 53 phototransistors 53 bilayer graphene 53 MWIR 53 DFT calculations 53 photon flux 53 MG J# +# 53 kJ 53 nanometers nm 53 beamline 53 thermal conductance 53 amplitude 53 XMM Newton 53 nebular 53 photomultiplier tubes 53 timebase 53 particle acceleration 53 YBCO 53 Technetium 53 stoichiometry 53 polarization multiplexed 53 EIRP 53 dc voltage 53 copper oxide superconductors 53 electric dipole 53 z axis 53 sorption 53 Cu Pb 53 W mK 53 stimulated emission 53 kilopascals 53 MPa 53 isotopic ratios 53 μmol L 53 transmission electron microscope 53 psec 53 ppm deg 53 elastic modulus 53 synchrotron x ray 53 electron optics 53 magnetic excitations 53 exciton 53 fluorescence spectra 53 constellation Centaurus 53 CoRoT 53 weak gravitational lensing 53 nmol 53 Comet Hartley 53 magnetotail 53 #ppb gold 53 galaxy cluster 53 highly collimated 53 gamma 53 x ray pulses 53 adsorbate 53 Nd YAG laser 53 tera electron volts 53 V dc 53 cm H2O 53 Spectrometers 53 dephasing 53 trimers 53 XTE J# 53 reflectometry 53 ppm ° C 53 emission nebula 53 spin excitations 53 cosmological distances 53 Fabry Perot 53 emission spectroscopy 53 ultrasonic vibrations 53 Gamma ray 53 alpha particles 53 ionisation 53 output voltages ranging 53 pA 53 FRET 53 angstrom resolution 53 Photometric 53 fluorescence detection 53 mA 53 #OHD 53 #.#mA [002] 53 ab initio calculations 53 Corot 9b 53 nonlinearities 53 sievert 53 isomeric 53 variogram 53 ppm uranium 53 Force Microscopy 53 synchrotron radiation 53 joules 53 valence electrons 53 5kV 53 sulfur dioxide SO 53 florescence 53 photons 53 μM 53 terahertz waves 53 desorption 53 laser excitation 53 permittivity 53 capacitively coupled 53 pulsed laser 53 electron flux 53 YORP effect 53 thermal gradients 53 rubidium 53 weakly interacting 53 μg mL 53 Gaussian beam 53 silicon monoxide 53 Raman spectroscopic 53 orbital eccentricity 53 analyte 53 #/#Hz [001] 53 electron doped 53 post perovskite 53 silicon waveguide 53 Type Ia supernova 53 #ppm [002] 53 CMOS transistors 53 SiO2 53 galactic nucleus 53 petawatt 53 tensor 53 π 53 magnesium ion 53 InSb 53 conductivities 53 electron pairs 53 hPa 53 T2 weighted 53 spectral measurements 53 ionization mass spectrometry 53 photodetector 53 Multi Object Spectrograph 53 supernova SN 53 spacings 53 X ray telescopes 53 beam splitter 53 Supplementary Figs 53 #μs [002] 53 supercontinuum generation 53 cosmic ray 53 Fourier transform infrared spectroscopy 53 RRATs 53 remanent 53 radiative transfer 53 #.#x magnification [001] 53 MWCNT 53 NMR spectrometers 53 meson 53 solar radii 53 submillimeter wavelengths 53 total harmonic distortion 53 van der Waals interactions 53 electron positron pairs 53 alpha particle 53 ml min 53 sub angstrom 53 superlattice 53 cosmic ray collisions 53 T1 weighted 53 cd m² 53 voltage coefficient 53 microwave frequencies 53 spectroscope 53 Doppler sonography 53 gadolinium Gd 53 cosmic ray flux 53 electron positron 53 desorbed 53 colliding protons 53 ytterbium 53 dynamical evolution 53 pentacene molecule 53 pulse width 53 basaltic rocks 53 tau neutrinos 53 Boltzmann constant 53 microlasers 53 wavefront distortion 52 inhomogeneity 52 millidarcies 52 Fig. 1B 52 electronic excitations 52 #.#nm [001] 52 positron 52 ionize 52 Type Ia supernovae 52 Zecotek MAPD 52 IP geophysical anomaly 52 polarimeter 52 HIRES spectrometer 52 Rydberg atom 52 pyroxene 52 temperature coefficients 52 extragalactic 52 Becquerel 52 vibrationally excited 52 fluorescence microscope 52 picogram 52 delocalized 52 dipole dipole 52 photon beams 52 hadron 52 electromotive force 52 perovskite 52 #mV [002] 52 IP chargeability 52 silicate rocks 52 atmospheric CO 52 waveband 52 radiative 52 resonance frequencies 52 spiral galaxy NGC 52 magnetar 52 axions 52 Rubidium 52 X rays gamma rays 52 Tl 52 mU liter 52 #pF [001] 52 4mA 52 deuterium atoms 52 kelvins 52 Fig. 1E 52 phosphorus atom 52 impedance input 52 nanowatts 52 ionizing 52 -3 dB 52 deoxy 52 vorticity 52 GaAs FET 52 numerical aperture NA 52 single photon detectors 52 cuprates 52 intramolecular 52 CaO 52 THD + N 52 Muons 52 photonic crystal fiber 52 ohms 52 micrometer scale 52 en er gy 52 coronal loop 52 Terbium Tb 52 gammas 52 fluorescence 52 relativistic particles 52 #mV [001] 52 radiative recombination 52 micron pixels 52 ultraviolet photons 52 dBm output 52 crystallites 52 electron spin 52 μl 52 laser irradiation 52 electrons protons 52 cuprate 52 directivity