1,496 research outputs found
Search for f(J)(2220) in radiative J/psi decays
No full textWe present a search for f(J)(2220) production in radiative J/psi --> gamma f(J)(2220) decays using 460 fb(-1) of data collected with the BABAR detector at the SLAC PEP-II e(+)e(-) collider. The f(J)(2220) is searched for in the decays to K+K- and (KSKS0)-K-0. No evidence of this resonance is observed, and 90% confidence level upper limits on the product of the branching fractions for J/psi --> gamma f(J)(2220) and f(J)(2220) --> K+K-((KSKS0)-K-0) as a function of spin and helicity are set at the level of 10(-5), below the central values reported by the Mark III experiment
Automatic vigilance for negative words is categorical and general
No full textWith other factors controlled, negative words elicit slower lexical decisions and naming than positive words (Estes & Adelman, 2008; see record 2008-09984-001). Moreover, this marked difference in responding to negative words and to positive words (i.e., between-category discontinuity) was accompanied by relatively uniform responding among negative words (i.e., within-category equivalence), thus suggesting a categorical model of automatic vigilance. Larsen, Mercer, Balota, and Strube (this issue; see record 2008-09984-002) corroborated our observation that valence predicts lexical decision and word naming latencies. However, on the basis of an interaction between linear arousal and linear valence, they claim that automatic vigilance does not occur among arousing stimuli and they purport to reject the categorical model. Here we show that (a) this interaction is logically irrelevant to whether automatic vigilance is categorical; (b) the linear interaction is statistically consistent with the categorical model; (c) the interaction is not observed within the categorical model; and (d) despite having 5 fewer parameters, the categorical model predicts word recognition times as well as the interaction model. Thus, automatic vigilance is categorical and generalizes across levels of arousa
Do all roads lead to rome? The potential of different approaches to diagnose Aelurostrongylus abstrusus infection in cats
No full textAn infection with the cat lungworm, Aelurostrongylus abstrusus, can be subclinical, but it can also cause severe respiratory clinical signs. Larvae excretion, antibody levels, clinical assessment findings of the respiratory system and diagnostic imaging findings were recorded and compared for six cats with experimental aelurostrongylosis. In five cats, patency started 33–47 days post infection (pi), but two cats excreted larvae only in long intervals and low numbers. Positive ELISA results were observed in four cats with patent aelurostrongylosis, starting between five days before and 85 days after onset of patency. One seropositive cat remained copromicroscopically negative. Mild respiratory signs were observed in all cats examined. A computed tomographic (CT) examination of the lungs displayed distinct alterations, even in absence of evident clinical signs or when larvae excretion was low or negative. The thoracic radiograph evaluation correlated with the CT results, but CT was more distinctive. After anthelmintic treatment in the 25th week post infection, pulmonary imaging findings improved back to normal within 6–24 weeks. This study shows that a multifaceted approach, including diagnostic imaging, can provide a clearer diagnosis and monitoring of disease progression. Furthermore, a CT examination provides an alternative to post mortem examination and worm counts in anthelmintic efficacy studies
Branching fraction and charge asymmetry measurements in B→J/ψππn decays
No full textWe study the decays B-0 -> J/psi pi(+)pi(-) and B+-> J/psi pi(+)pi(0), including intermediate resonances, using a sample of 382x10(6) B (B) over bar pairs recorded by the BABAR detector at the PEP-II e(+)e(-) B factory. We measure the branching fractions B(B-0 -> J/psi rho(0))=(2.7 +/- 0.3 +/- 0.2)x10(-5) and B(B+-> J/psi rho(+))=(5.0 +/- 0.7 +/- 0.3)x10(-5). We also set the following upper limits at the 90% confidence level: B(B-0 -> J/psi pi(+)pi(-) nonresonant) J/psi f(2)) J/psi pi(+)pi(0) nonresonant)< 7.3x10(-6). We measure the charge asymmetry in charged B decays to J/psi rho to be -0.11 +/- 0.12 +/- 0.08
De L’esprit Des Lois et Le Débat Autour du Despotisme en Russie
No full textThe fate of The Spirit of Laws by Ch.-L. Montesquieu in Russia in the second half of the 18 th century is an example of ambiguous reception that the French enlightener and his ideas received at that time prompting both imitation and polemics. The origin of these controversies is in the unfavorable image of Russia that Montesquieu represented as a country of despotism and slavery. The ideas developed in the treatise incited various Russian authors to nourish their own thinking about the country, especially concerning such problems as liberty and equality. The article attempts to trace the emergence of this debate in political literature, including the works by F.-H. Strube de Piermont, Catherine II, and Prince M.M. Shcherbatov. Since the examined texts are interdependent, it allows me to speak of the literary polemics of a kind. It is argued that each author develops her own writing strategy in accordance with her specific position in society and intention. A comparative analysis shows the following tendencies. (1) The book by Strube de Piermont is a typical literary refutation intended to rehabilitate Russia’s reputation compromised by the author of The Spirit of Laws. (2) Prince Shcherbatov uses Montesquieu’s statements about Russia as a reference point for his own deep and original study of the phenomena and processes that existed in Russia. (3) The ambiguous position of Catherine II as both a private person and a monarch is the most vulnerable of the three and forces her to adapt her ideas to this peculiar role
Corrigendum to "Paths and circuits in finite groups", Discr. Math. 22 (1978) 263
No full text6 pages, no figuresWe remove 52 from the set of prime partitionable numbers in a paper by Holsztynski and Strube (1978), which also appears in a paper by Erdos and Trotter in the same year. We establish equivalence between two different definitions in the two papers, and further equivalence to the set of Erdos-Woods numbers
Corrigendum to "Paths and circuits in finite groups", Discr. Math. 22 (1978) 263
No full text6 pages, no figuresWe remove 52 from the set of prime partitionable numbers in a paper by Holsztynski and Strube (1978), which also appears in a paper by Erdos and Trotter in the same year. We establish equivalence between two different definitions in the two papers, and further equivalence to the set of Erdos-Woods numbers
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