A search for diphoton events with large missing transverse momentum has been performed using prot... more A search for diphoton events with large missing transverse momentum has been performed using proton-proton collision data at √ s = 7 TeV recorded with the ATLAS detector, corresponding to an integrated luminosity of 4.8 fb −1 . No excess of events was observed above the Standard Model prediction and model-dependent 95 % confidence level exclusion limits are set. In the context of a generalised model of gauge-mediated supersymmetry breaking with a bino-like lightest neutralino of mass above 50 GeV, gluinos (squarks) below 1.07 TeV (0.87 TeV) are excluded, while a breaking scale Λ below 196 TeV is excluded for a minimal model of gauge-mediated supersymmetry breaking. For a specific model with one universal extra dimension, compactification scales 1/R < 1.40 TeV are excluded. These limits provide the most stringent tests of these models to date.
Page 1. Rev Panam Salud Publica/Pan Am J Public Health 21(5), 2007 313 Validación mexicana de la ... more Page 1. Rev Panam Salud Publica/Pan Am J Public Health 21(5), 2007 313 Validación mexicana de la escala MOS-HIV de calidad de vida en pacientes infectados por el VIH Edilberto Peña de León,1 Sandra Socorro Aguilar ...
When several independent terminals need to access a limited resource, a Medium Access Control (MA... more When several independent terminals need to access a limited resource, a Medium Access Control (MAC) protocol is needed in order to manage and assign the resource. If no type of protocol is considered, conflicts could occur if more than one terminal wants to access the resource at the same time. Therefore, this work reports the analysis of MAC protocols. In addition to, we propose a protocol that handles transmission rates to maximize the transmission success rate. This proposed protocol is based on CSMA (Carrier Sense Multiple Access)-CDMA (Code Division Multiple Access). Simulations show that the protocol improves traffic transmission in the network, as compared with fixed rate mechanisms used to access the wireless medium.
Revista Panamericana De Salud Publica-pan American Journal of Public Health, 2007
Page 1. Rev Panam Salud Publica/Pan Am J Public Health 21(5), 2007 313 Validación mexicana de la ... more Page 1. Rev Panam Salud Publica/Pan Am J Public Health 21(5), 2007 313 Validación mexicana de la escala MOS-HIV de calidad de vida en pacientes infectados por el VIH Edilberto Peña de León,1 Sandra Socorro Aguilar ...
Objective. To validate a Spanish version of the Beck Depression Inventory (BDI) in Mexican patien... more Objective. To validate a Spanish version of the Beck Depression Inventory (BDI) in Mexican patients with rheumatoid arthritis (RA).Methods. Thirty-five patients with RA seen in our outpatient clinic were included. A semistructured psychiatric interview was applied, and the following instruments were administered: the BDI, the Hospital Anxiety and Depression Scale (HAD), and the Health Assessment Questionnaire Disability Index. Diagnostic properties of the BDI for both full-length and smaller versions taking out somatic items were compared against a gold standard. The gold standard for comparison was the diagnosis of depression according to the Diagnostic and Statistical Manual of Mental Disorders, Third Edition, Revised criteria.Results. Thirty-seven percent of RA patients had a diagnosis related to depression, most of which were major depression or dysthymia. The original BDI showed a high sensitivity (92%) and a high correlation with the HAD (r = 0.83). Exclusion of somatic items in modified versions of the BDI had a similar performance.Conclusions. The original BDI is a suitable instrument to detect depression in Mexican RA patients. Nevertheless, shorter versions without some of the somatic items also show an adequate performance.
A search for diphoton events with large missing transverse momentum has been performed using prot... more A search for diphoton events with large missing transverse momentum has been performed using proton-proton collision data at √ s = 7 TeV recorded with the ATLAS detector, corresponding to an integrated luminosity of 4.8 fb −1 . No excess of events was observed above the Standard Model prediction and model-dependent 95 % confidence level exclusion limits are set. In the context of a generalised model of gauge-mediated supersymmetry breaking with a bino-like lightest neutralino of mass above 50 GeV, gluinos (squarks) below 1.07 TeV (0.87 TeV) are excluded, while a breaking scale Λ below 196 TeV is excluded for a minimal model of gauge-mediated supersymmetry breaking. For a specific model with one universal extra dimension, compactification scales 1/R < 1.40 TeV are excluded. These limits provide the most stringent tests of these models to date.
Page 1. Rev Panam Salud Publica/Pan Am J Public Health 21(5), 2007 313 Validación mexicana de la ... more Page 1. Rev Panam Salud Publica/Pan Am J Public Health 21(5), 2007 313 Validación mexicana de la escala MOS-HIV de calidad de vida en pacientes infectados por el VIH Edilberto Peña de León,1 Sandra Socorro Aguilar ...
When several independent terminals need to access a limited resource, a Medium Access Control (MA... more When several independent terminals need to access a limited resource, a Medium Access Control (MAC) protocol is needed in order to manage and assign the resource. If no type of protocol is considered, conflicts could occur if more than one terminal wants to access the resource at the same time. Therefore, this work reports the analysis of MAC protocols. In addition to, we propose a protocol that handles transmission rates to maximize the transmission success rate. This proposed protocol is based on CSMA (Carrier Sense Multiple Access)-CDMA (Code Division Multiple Access). Simulations show that the protocol improves traffic transmission in the network, as compared with fixed rate mechanisms used to access the wireless medium.
Revista Panamericana De Salud Publica-pan American Journal of Public Health, 2007
Page 1. Rev Panam Salud Publica/Pan Am J Public Health 21(5), 2007 313 Validación mexicana de la ... more Page 1. Rev Panam Salud Publica/Pan Am J Public Health 21(5), 2007 313 Validación mexicana de la escala MOS-HIV de calidad de vida en pacientes infectados por el VIH Edilberto Peña de León,1 Sandra Socorro Aguilar ...
Objective. To validate a Spanish version of the Beck Depression Inventory (BDI) in Mexican patien... more Objective. To validate a Spanish version of the Beck Depression Inventory (BDI) in Mexican patients with rheumatoid arthritis (RA).Methods. Thirty-five patients with RA seen in our outpatient clinic were included. A semistructured psychiatric interview was applied, and the following instruments were administered: the BDI, the Hospital Anxiety and Depression Scale (HAD), and the Health Assessment Questionnaire Disability Index. Diagnostic properties of the BDI for both full-length and smaller versions taking out somatic items were compared against a gold standard. The gold standard for comparison was the diagnosis of depression according to the Diagnostic and Statistical Manual of Mental Disorders, Third Edition, Revised criteria.Results. Thirty-seven percent of RA patients had a diagnosis related to depression, most of which were major depression or dysthymia. The original BDI showed a high sensitivity (92%) and a high correlation with the HAD (r = 0.83). Exclusion of somatic items in modified versions of the BDI had a similar performance.Conclusions. The original BDI is a suitable instrument to detect depression in Mexican RA patients. Nevertheless, shorter versions without some of the somatic items also show an adequate performance.
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Papers by Aldo Mendoza