A search for a new resonance decaying to a or boson and a Higgs boson in the [Formula: see text] final states is performed using 20.3 fb[Formula: see text] of collision data recorded at [Formula: see text] 8 TeV with the ATLAS detector at the Large Hadron Collider. The search is conducted by examining the / invariant mass distribution for a localized excess.
View Article and Find Full Text PDFEur Phys J C Part Fields
May 2015
Studies of the spin and parity quantum numbers of the Higgs boson in the [Formula: see text] final state are presented, based on proton-proton collision data collected by the ATLAS detector at the Large Hadron Collider, corresponding to an integrated luminosity of 20.3 fb[Formula: see text] at a centre-of-mass energy of [Formula: see text] TeV. The Standard Model spin-parity [Formula: see text] hypothesis is compared with alternative hypotheses for both spin and CP.
View Article and Find Full Text PDFA search is presented for the direct pair production of a chargino and a neutralino [Formula: see text], where the chargino decays to the lightest neutralino and the [Formula: see text] boson, [Formula: see text], while the neutralino decays to the lightest neutralino and the 125 GeV Higgs boson, [Formula: see text]. The final states considered for the search have large missing transverse momentum, an isolated electron or muon, and one of the following: either two jets identified as originating from bottom quarks, or two photons, or a second electron or muon with the same electric charge. The analysis is based on 20.
View Article and Find Full Text PDFA new Arabidopsis meiotic mutant has been isolated. Homozygous ahp2-1 (Arabidopsis homologue pairing 2) plants were sterile because of failure of both male and female gametophyte development. Fluorescent in situ hybridisation showed that in ahp2-1 male meiocytes, chromosomes did not form bivalents during prophase I and instead seemed to associate indiscriminately.
View Article and Find Full Text PDFFluorescence in situ hybridization (FISH) coupled with confocal microscopy has been used to reveal the interphase chromosome organization in plants. In wheat and several other related species, we have shown that the interphase chromosomes are in a very well-defined organization, with centromeres and telomeres located at opposite sides of the nuclear envelope-a classic Rabl configuration. In transgenic wheat lines, FISH analysis of metaphase chromosomes has shown that multiple transgene copies can be integrated along a single chromosome, with large regions of intervening genomic sequence.
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