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Events with no charged particles produced between the two leading jets are studied in proton-proton collisions at $$\sqrt{s}=7$$ s=7 $$\,\text {TeV}$$ TeV . The jets were required to have transverse momentum $$p_{\mathrm {T}} ^{\text {jet}}>40$$ pTjet>40 $$\,\text {GeV}$$ GeV and pseudorapidity $$1.5<|\eta ^{\text {jet}} |<4.7$$ 1.5<|ηjet|<4.7 , and to have values of $$\eta ^{\text...
Precise control of a diffraction pattern reconstructed from a computer-generated hologram (CGH) is very important in holographic femtosecond laser processing. To obtain a desired diffraction pattern, an optimization based on an estimation of the second harmonic wave generated by the diffraction pattern in the optical setup is performed, because the phenomena induced by a femtosecond laser pulse is...
We prepared TlInGaAsN/TlInP triple quantum well structures using gas source molecular beam epitaxy and characterized their structures by means of transmission electron microscopy (TEM) and scanning transmission electron microscopy (STEM). Cross-sectional TEM and STEM observations and electron diffraction experiments revealed that naturally-formed vertical quantum wells, so-called lateral composition...
In the pursuit of devices with reduced temperature-dependent emission wavelengths, TlInGaAsN double quantum well (DQW) structures with different barriers were grown on GaAs substrates by MBE and investigated. Although TlGaAsN barriers gave rise to higher Tl incorporation, as compared to TlGaAs barriers, the presence of lot of dislocations and very rough interfaces reduced the PL characteristics. The...
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