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1. Effects of whole-body vibration training in patients with multiple sclerosis: A systematic review

Author

I.C. Bueno, D.J. Ramos-Campo, and J.A. Rubio-Arias

Subjects
Neurology. Diseases of the nervous system, RC346-429
Abstract

Introduction: Multiple sclerosis (MS) is an autoimmune inflammatory disease of the central nervous system. MS is characterised by nerve demyelination that can alter nerve transmission and lead to such symptoms as fatigue, muscle weakness, and impaired motor function. There are 47 000 people with MS in Spain. Vibration training can be an effective and complementary alternative to traditional exercise to treat patients with MS. The aim of this study was to analyse the effectiveness of vibration training programmes in patients with MS. Development: We searched 5 electronic databases (PubMed, SPORTDiscus, SciELO, Lilacs, IBECS, and ISI Web of Knowledge) in August 2015. By using a set of keywords, we found studies linking vibration training and MS and included randomised controlled trials that applied vibration training to patients with MS. Our search yielded 71 studies. Only 9 of them were included after removing duplicate studies and those which were not relevant according to our selection criteria. These studies obtained different outcomes. Conclusions: Some studies found improvements in muscle strength, functional capacity, coordination, resistance, balance, and some areas of 88-Item Multiple Sclerosis Spasticity Scale. However, we identified limitations in some of these studies and there are still few publications on vibration training and MS to ensure training effectiveness. Resumen: Introducción: La esclerosis múltiple (EM) es una enfermedad inflamatoria autoinmune del sistema nervioso central. Se caracteriza por la desmielinización del nervio, pudiendo alterar la transmisión nerviosa y conducir a síntomas como fatiga, debilidad muscular y deterioro de la función motora. En España existen 47.000 personas afectadas de EM. El entrenamiento vibratorio puede ser una opción complementaria eficaz al ejercicio tradicional para el tratamiento de la EM. El objetivo fue determinar la efectividad de los programas de entrenamiento vibratorio en los sujetos con EM. Desarrollo: Cinco bases de datos electrónicas (PubMed, SPORTDiscus, SciELO, Lilacs, IBECS e ISI Web of Knowledge) fueron consultadas para la búsqueda bibliográfica en agosto del 2015. Un conjunto de términos de búsqueda identificaron estudios que relacionaban el entrenamiento vibratorio y la EM. Se incluyeron ensayos clínicos controlados y aleatorizados que aplicaron un programa de entrenamiento vibratorio dirigido a pacientes con EM. Setenta y un artículos fueron obtenidos tras la búsqueda. Finalmente, se incluyeron 9 de ellos tras descartar los estudios duplicados y aquellos que no fueron relevantes sobre base de los criterios de selección. Se encontraron varios resultados entre los estudios. Conclusiones: Algunos estudios hallaron mejoras en la fuerza muscular, la capacidad funcional, la coordinación, la resistencia, el equilibrio y algunas áreas del MSSS-88. Sin embargo, detectamos algunas limitaciones entre los estudios y son todavía pocas las publicaciones realizadas hasta la fecha sobre entrenamiento vibratorio y EM para certificar la efectividad de dicho entrenamiento en esta patología. Keywords: Balance, Fatigue, Strength, Myelin, Resistance, Vibration, Palabras clave: Equilibrio, Fatiga, Fuerza, Mielina, Resistencia, Vibración

Published
2018
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2. Efectos del entrenamiento vibratorio de cuerpo completo en pacientes con esclerosis múltiple: una revisión sistemática

Author

I. Castillo-Bueno, D.J. Ramos-Campo, and J.A. Rubio-Arias

Subjects
Neurology. Diseases of the nervous system, RC346-429
Abstract

Resumen: Introducción: La esclerosis múltiple (EM) es una enfermedad inflamatoria autoinmune del sistema nervioso central. Se caracteriza por la desmielinización del nervio, pudiendo alterar la transmisión nerviosa y conducir a síntomas como fatiga, debilidad muscular y deterioro de la función motora. En España existen 47.000 personas afectadas de EM. El entrenamiento vibratorio puede ser una opción complementaria eficaz al ejercicio tradicional para el tratamiento de la EM. El objetivo fue determinar la efectividad de los programas de entrenamiento vibratorio en los sujetos con EM. Desarrollo: Cinco bases de datos electrónicas (PubMed, SPORTDiscus, SciELO, Lilacs, IBECS e ISI Web of Knowledge) fueron consultadas para la búsqueda bibliográfica en agosto del 2015. Un conjunto de términos de búsqueda identificaron estudios que relacionaban el entrenamiento vibratorio y la EM. Se incluyeron ensayos clínicos controlados y aleatorizados que aplicaron un programa de entrenamiento vibratorio dirigido a pacientes con EM. Setenta y un artículos fueron obtenidos tras la búsqueda. Finalmente, se incluyeron 9 de ellos tras descartar los estudios duplicados y aquellos que no fueron relevantes sobre base de los criterios de selección. Se encontraron varios resultados entre los estudios. Conclusiones: Algunos estudios hallaron mejoras en la fuerza muscular, la capacidad funcional, la coordinación, la resistencia, el equilibrio y algunas áreas del MSSS-88. Sin embargo, detectamos algunas limitaciones entre los estudios y son todavía pocas las publicaciones realizadas hasta la fecha sobre entrenamiento vibratorio y EM para certificar la efectividad de dicho entrenamiento en esta patología. Abstract: Introduction: Multiple sclerosis (MS) is an autoimmune inflammatory disease of the central nervous system. MS is characterised by nerve demyelination that can alter nerve transmission and lead to such symptoms as fatigue, muscle weakness, and impaired motor function. There are 47 000 people with MS in Spain. Vibration training can be an effective and complementary alternative to traditional exercise to treat patients with MS. The aim of this study was to analyse the effectiveness of vibration training programmes in patients with MS. Development: We searched 5 electronic databases (PubMed, SPORTDiscus, SciELO, Lilacs, IBECS, and ISI Web of Knowledge) in August 2015. By using a set of keywords, we found studies linking vibration training and MS and included randomised controlled trials that applied vibration training to patients with MS. Our search yielded 71 studies. Only 9 of them were included after removing duplicate studies and those which were not relevant according to our selection criteria. These studies obtained different outcomes. Conclusions: Some studies found improvements in muscle strength, functional capacity, coordination, resistance, balance, and some areas of MSSS-88. However, we identified limitations in some of these studies and there are still few publications on vibration training and multiple sclerosis to ensure training effectiveness. Palabras clave: Equilibrio, Fatiga, Fuerza, Mielina, Resistencia, Vibración, Keywords: Balance, Fatigue, Strength, Myelin, Resistance, Vibration

Published
2018
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4. Recomendaciones de consenso sobre el transporte de pacientes en ECMO de la Sociedad Española de Medicina Intensiva, Crítica y Unidades Coronarias (SEMICYUC) y la Sociedad Española de Cuidados Intensivos Pediátricos (SECIP)

Author

E. Argudo, A. Hernández-Tejedor, S. Belda Hofheinz, M.P. Fuset, A. Sanchez Galindo, P. Burgueño, J. Ballcels, J. Duerto, A. Morales Martínez, M. Martínez-Martínez, E. Morteruel Arizcuren, F. Pérez, A. Díaz Vico, and J.A. Rubio Mateo-Sidrón

Subjects
Critical Care and Intensive Care Medicine
Published
2022

5. Protocolo diagnóstico y tratamiento de la patología tiroidea en la mujer embarazada y en el posparto

Author

S. Lallena Pérez, J.A. Rubio García, C. Blanco Carrera, and M. Ontañón Nasarre

Subjects
Gynecology, 03 medical and health sciences, medicine.medical_specialty, 0302 clinical medicine, endocrine system diseases, business.industry, 030220 oncology & carcinogenesis, medicine, 030212 general & internal medicine, General Medicine, business
Abstract

espanolLa patologia tiroidea y, de manera mas concreta, las alteraciones en su funcion, son un motivo de consulta frecuente durante la gestacion. Los cambios fisiologicos durante la gestacion: a) condicionan que se produzca un aumento de los requerimientos de levotiroxina; b) hacen que se estrechen los valores de referencia de la TSH, de manera especial en el primer trimestre, aumentando escenarios compatibles con hipertiroidismo e hipotiroidismo primario y c) propician que se modifique el curso del hipertiroidismo autoinmune. Las consecuencias de un inadecuado control de los mismos o desconocer como pueden afectar al bienestar fetal puede tener consecuencias negativas en la salud de la madre y del feto/nino. En el periodo posparto los cambios revierten al periodo pregestacional, precisandose ajustar de nuevo la medicacion y se pierde la fase de tolerancia autoinmune tipica del embarazo, apareciendo situaciones caracteristicas como es la tiroiditis silente. EnglishA common cause of medical consultancy in pregnancy is thyroid pathology, specifically thyroid function disorders. Physiological changes during pregnancy: a) cause an increase in levothyroxine requirements; b) narrow TSH reference values, mainly in the first trimester, increasing scenarios compatible with hyperthyroidism and primary hypothyroidism and c) facilitate clinical changes in autoimmune hyperthyroidism. Mismanagement or ignorance of these features over fetus well-being can result in negative effects on the health of the mother and the fetus/child. In postpartum, typical pregnant immune tolerance is lost, treatment has to be adjusted, appearing characteristic disorders like silent thyroiditis.

Published
2020

6. Tirotoxicosis e hipertiroidismo

Author

C. Blanco Carrera, J.A. Rubio García, C. Tasende Fernández, and M. Cabañas-Durán

Subjects
Gynecology, Thyroid nodules, endocrine system, medicine.medical_specialty, Triiodothyronine, endocrine system diseases, Adenoma, business.industry, Thyroid, Toxic nodular goiter, General Medicine, medicine.disease, Thyroiditis, Thyroid disorder, 03 medical and health sciences, 0302 clinical medicine, medicine.anatomical_structure, 030220 oncology & carcinogenesis, medicine, 030212 general & internal medicine, business, Hormone
Abstract

espanolLa tirotoxicosis es la situacion clinica resultante de un exceso de hormonas tiroideas a nivel de los tejidos. Cuando es consecuencia de un aumento de la sintesis y secrecion de hormonas por la glandula tiroides se denomina hipertiroidismo. El diagnostico se realiza mediante la determinacion de la TSH y las hormonas tiroideas, tiroxina y triyodotironina. Para realizar un tratamiento adecuado es necesario, ademas, determinar su etiologia. La causa mas frecuente es la enfermedad de Graves-Basedow, en la que inmunoglobulinas circulantes estimulan el receptor de TSH del tiroides. La segunda causa es la produccion autonoma de hormonas tiroideas por uno o varios nodulos, como en el bocio nodular toxico o el adenoma tiroideo toxico. Otras causas son las tiroiditis, en las que se produce la liberacion de hormonas tiroideas tras la inflamacion de la glandula, o la exposicion a hormonas tiroideas tanto de origen extratiroideo endogeno como en el estruma ovarico, como exogeno como en la tiroiditis facticia. El diagnostico de las diferentes causas de tirotoxicosis e hipertiroidismo se basa en la evaluacion clinica, pruebas de laboratorio y pruebas de imagen como la ecografia y gammagrafia tiroidea. El tratamiento del hipertiroidismo varia en funcion de la causa. Esta dirigido tanto a la reduccion de los sintomas como a la inhibicion de la sintesis y secrecion de hormonas tiroideas mediante tratamiento farmacologico, radioyodo y cirugia. EnglishThyrotoxicosis is a clinical disorder caused by an caused by the effect of excess of thyroid hormone in tissues, whereas hyperthyroidism refers to an increased thyroid hormone synthesis and secretion. Diagnosis is achieved by the measurement of the serum TSH and thyroid hormones (thyroxine and triiodothyronine). Etiology has to be identified in order to set up a proper treatment. Graves-Basedow disease (an autoimmune thyroid disorder) is the commonest cause of hyperthyroidism, followed by toxic nodular goiter or toxic thyroid adenoma (autonomous secreting thyroid nodules). In the thyroiditis, the thyroid gland is inflamed and the thyroid hormones are released. In the estruma ovarii the thyroid hormones have an extrathyroidal origen whereas in thyrotoxicosis facticia the origin of such an excess is exogenous. Etiological diagnosis of thyrotoxicosis and hyperthyroidism is based on clinical examination, laboratory and imaging (ultrasonography and scintigraphy) tests. The treatment of hyperthyroidism depends on the etiology and is focused in treating the symptoms as well as in reduce the synthesis and secretion of thyroid hormones (pharmacological treatment, radioiodine therapy and surgery).

Published
2020

9. Modelization of anaerobic processes during co-digestion of slowly biodegradable substrates

Author

Francisco Jesus Fernandez-Morales, J.L. García-Morales, L.I. Romero, and J.A. Rubio

Subjects
Environmental Engineering, Health, Toxicology and Mutagenesis, 0208 environmental biotechnology, 02 engineering and technology, 010501 environmental sciences, 01 natural sciences, Hydrolysis, Bioreactors, Environmental Chemistry, Anaerobiosis, Particulate substrate, 0105 earth and related environmental sciences, Inhibition, Chemistry, Public Health, Environmental and Occupational Health, Substrate (chemistry), General Medicine, General Chemistry, Biodegradation, Particulates, Total dissolved solids, Pollution, 020801 environmental engineering, Ingeniería Química, Biodegradation, Environmental, Models, Chemical, Chemical engineering, Anaerobic co-digestion, Fermentation, Hydrolysis rate, Co digestion, Methane, Anaerobic exercise
Abstract

The influence of the soluble substrates over the anaerobic processes has been extensively investigated, but little is known about the effects of particulate substrate. The biodegradation of these substrates starts with the hydrolytic step, this process is slower than the other ones involved in the biodegradation of particulate substrates and usually becomes the rate-limiting step. This study investigate the effect of the initial total solids (TS) concentration on the anaerobic co-digestion of two slowly biodegradable organic substrates. The wastes mixtures were prepared at different dilutions in the range from 10% to 28% TS. From these experiments it was observed that as TS concentration increased, the methane production decreased. These results were modelled and it was observed that neither hydrolysis nor fermentation stages controlled the methane production rate. Being a substrate inhibition event experienced at the methanogenic stage the responsible of the lower methane production when operating at high TS concentrations., La influencia de los sustratos solubles sobre los procesos anaeróbicos se ha investigado extensamente, pero se sabe poco acerca de los efectos del sustrato particulado. La biodegradación de estos sustratos comienza con el paso hidrolítico, este proceso es más lento que los otros involucrados en la biodegradación de sustratos particulados y generalmente se convierte en el paso limitante de la velocidad. Este estudio investiga el efecto de la concentración inicial de sólidos totales (TS) sobre la codigestión anaeróbica de dos sustratos orgánicos lentamente biodegradables. Las mezclas de desechos se prepararon a diferentes diluciones en el rango de 10% a 28% de TS. A partir de estos experimentos, se observó que a medida que aumentaba la concentración de TS, la producción de metano disminuía. Estos resultados se modelaron y se observó que ni las etapas de hidrólisis ni de fermentación controlaban la tasa de producción de metano. Siendo un evento de inhibición del sustrato experimentado en la etapa metanogénica el responsable de la menor producción de metano cuando se opera a altas concentraciones de TS.

Published
2020

10. CN10 Congruence between actual and preferred place of death by patients with oncological disease in palliative care and their caregivers in a primary care district of Cadiz

Author

A.D. Romero, J. Fernandez-Rodriguez, F. Moreno-Castro, P. Ruiz-Cayuso, C. Tello-Meneses, M.I. Barberan-Montiano, J.M. Caparros-Garcia, C. Sancho-Salvatierra, M.A. Ramirez-Castillo, M.J. Gomez-Plana, L. Arias-Velarde, J.M. Martinez-Nieto, A. Delgado-Romero, B. Ardaiz-Flamarique, F.J. Perez-Cabezas, J.A. Rubio-Muñoz, L. Diaz-Martinez, and M.D.M. Leon-Grima

Subjects
medicine.medical_specialty, Palliative care, Oncology, business.industry, Place of death, Family medicine, Medicine, Congruence (manifolds), Hematology, Disease, Primary care, business
Published
2021

11. 1455P Clinical factors influencing place of death of oncology patients in palliative care in a primary care district of Cadiz

Author

J. Fernandez-Rodriguez, J.A. Rubio-Muñoz, F. Moreno-Castro, P. Ruiz-Cayuso, A.D. Romero, J.M. Martinez-Nieto, F.J. Perez-Cabezas, C. Sancho-Salvatierra, M.D.M. Leon-Grima, M.I. Barberan-Montiano, A. Delgado-Romero, L. Arias-Velarde, M.J. Gomez-Plana, J.M. Caparros-Garcia, M.A. Ramirez-Castillo, C. Tello-Meneses, L. Diaz-Martinez, and B. Ardaiz-Flamarique

Subjects
medicine.medical_specialty, Palliative care, Oncology, business.industry, Place of death, Family medicine, Medicine, Oncology patients, Hematology, Primary care, business
Published
2021

13. Alveolar hemorrhage due to cardiac massage

Author

J.A. Rubio, Á. Vidal, and N. Arias

Subjects
medicine.medical_specialty, Text mining, business.industry, X ray computed, medicine, MEDLINE, Radiology, Young adult, Critical Care and Intensive Care Medicine, business, Cardiac massage
Published
2020

14. Effects of droperidol and ondansetron on dispersion of ventricular repolarization: A randomized double-blind clinical study in anesthetized adult patients

Author

G.L. Agámez Medina, E. Pérez, Antonio González-Arévalo, J. I. Gómez-Arnau, J.A. Rubio, E. Esteban, and S. García del Valle

Subjects
Adult patients, business.industry, medicine.drug_class, Torsades de pointes, General Medicine, medicine.disease, QT interval, Ondansetron, Anesthesia, Medicine, Repolarization, Antiemetic, business, Propofol, Droperidol, medicine.drug
Abstract

Background and objective Droperidol and ondansetron prolong QT interval, a circumstance that has raised some concerns regarding the possibility of inducing torsades de pointes (TdP). However drug-induced spatial dispersion of ventricular repolarization has been shown to be the principal arrhythmogenic substrate for TdP. The aim of this study is to explore the effects of droperidol and ondansetron on the dispersion of repolarization, measured using the T peak-to-end interval (Tp-e) and Tp-e/QT and Tp-e/RR 1/2 ratios in surgical anesthetized patients. Methods A randomized, double-blind study carried out on sixty-three adult patients without cardiac disease or factors favoring QT prolongation and undergoing non-cardiac surgery were randomly assigned to the droperidol or ondansetron group. Under propofol anesthesia, a 12-lead EKG was obtained, and 1.25 mg droperidol or 4 mg ondansetron was injected. Five minutes later, a new 12-lead EKG was recorded. EKG analyses were independently performed by two cardiologists blinded to the state of the traces or group allocation. QT, RR and Tp-e intervals were measured by averaging five successive beats in lead II (QT) or V5 (Tp-e). The mean value for each measurement was calculated for statistical analysis. Results Thirty-two patients (19 women) received droperidol, and 31 (22 women) ondansetron. Droperidol and ondansetron prolonged the QTcF interval (Fridericia formula) by 6.8 and 7.2 ms (mean values) respectively, but neither droperidol nor ondansetron increased the Tp-e interval or Tp-e/QT and Tp-e/RR 1/2 ratios. Conclusion At antiemetic doses, neither ondansetron (4 mg) nor droperidol (1.25 mg) increases the dispersion of ventricular repolarization in healthy adult patients anesthetized with propofol.

Published
2015

15. Efectos del droperidol y el ondansetrón en la dispersión de la repolarización ventricular: un estudio clínico aleatorizado, doble ciego en pacientes adultos anestesiados

Author

S. García del Valle, J. I. Gómez-Arnau, Antonio González-Arévalo, G.L. Agámez Medina, E. Esteban, J.A. Rubio, and E. Pérez

Subjects
Gynecology, medicine.medical_specialty, Anesthesiology and Pain Medicine, business.industry, medicine, Critical Care and Intensive Care Medicine, business
Abstract

Resumen Introduccion y objetivo El droperidol y el ondansetron prolongan el intervalo QT, lo que ha generado dudas sobre la posibilidad de que pudieran inducir arritmias como la torsades de pointes (TdP). Sin embargo, se ha demostrado que no es la prolongacion del QT sino la dispersion espacial de la repolarizacion ventricular el principal sustrato arritmogenico para el desarrollo de TdP. El objetivo de este estudio es valorar los efectos del droperidol y el ondansetron en la dispersion de la repolarizacion a traves de la medida del intervalo T-peak-to-end (Tp-e) y los cocientes Tp-e/QT y Tp-e/RR 1/2 en pacientes quirurgicos anestesiados. Metodos Estudio doble ciego en 63 adultos sin cardiopatia o factores que favorecen la prolongacion del intervalo QT, sometidos a cirugia no cardiaca asignados aleatoriamente a 2 grupos: droperidol u ondansetron. Durante la anestesia con propofol se realizo un ECG de 12 derivaciones, posteriormente se inyectaron 1,25 mg de droperidol o 4 mg de ondansetron y 5 min despues se obtuvo un nuevo ECG. El analisis de los ECG fue realizado independientemente por 2 cardiologos que desconocian el momento del registro y el farmaco administrado. Los intervalos QT, RR y Tp-e se midieron como promedio de 5 latidos sucesivos en la derivacion II (QT) o V5 (Tp-e). Se calculo el valor medio para cada medida en el analisis estadistico. Resultados Recibieron droperidol 32 pacientes (19 mujeres) y ondansetron 31 (22 mujeres). Ambos farmacos prolongaron el intervalo QTcF (formula Fridericia) un promedio 6,8 y 7,2 ms, respectivamente, pero ninguno aumento el intervalo Tp-e o los cocientes Tp-e/QT y Tp-e/RR 1/2 . Conclusion A dosis antiemeticas, ni el ondansetron ni el droperidol aumentan la dispersion de la repolarizacion ventricular en pacientes adultos sanos anestesiados con propofol.

Published
2015

16. Measurement of the atmospheric muon spectrum from 20 to 3000 GeV

Author

P. Achard, O. Adriani, M. Aguilar-Benitez, M. van den Akker, J. Alcaraz, G. Alemanni, J. Allaby, A. Aloisio, M.G. Alviggi, H. Anderhub, V.P. Andreev, F. Anselmo, A. Arefiev, T. Azemoon, T. Aziz, P. Bagnaia, A. Bajo, G. Baksay, L. Baksay, J. Bähr, S.V. Baldew, S. Banerjee, Sw. Banerjee, A. Barczyk, R. Barillère, P. Bartalini, M. Basile, N. Batalova, R. Battiston, A. Bay, F. Becattini, U. Becker, F. Behner, L. Bellucci, R. Berbeco, J. Berdugo, P. Berges, B. Bertucci, B.L. Betev, M. Biasini, M. Biglietti, A. Biland, J.J. Blaising, S.C. Blyth, G.J. Bobbink, A. Böhm, L. Boldizsar, B. Borgia, S. Bottai, D. Bourilkov, M. Bourquin, S. Braccini, J.G. Branson, F. Brochu, J.D. Burger, W.J. Burger, X.D. Cai, M. Capell, G. Cara Romeo, G. Carlino, A. Cartacci, J. Casaus, F. Cavallari, N. Cavallo, C. Cecchi, M. Cerrada, M. Chamizo, T. Chiarusi, Y.H. Chang, M. Chemarin, A. Chen, G. Chen, G.M. Chen, H.F. Chen, H.S. Chen, G. Chiefari, L. Cifarelli, F. Cindolo, I. Clare, R. Clare, G. Coignet, N. Colino, S. Costantini, B. de la Cruz, S. Cucciarelli, J.A. van Dalen, R. de Asmundis, P. Déglon, J. Debreczeni, A. Degré, K. Dehmelt, K. Deiters, D. della Volpe, E. Delmeire, P. Denes, F. DeNotaristefani, A. De Salvo, M. Diemoz, M. Dierckxsens, L.K. Ding, C. Dionisi, M. Dittmar, A. Doria, M.T. Dova, D. Duchesneau, M. Duda, I. Duran, B. Echenard, A. Eline, A. El Hage, H. El Mamouni, A. Engler, F.J. Eppling, P. Extermann, G. Faber, M.A. Falagan, S. Falciano, A. Favara, J. Fay, O. Fedin, M. Felcini, T. Ferguson, H. Fesefeldt, E. Fiandrini, J.H. Field, F. Filthaut, W. Fisher, I. Fisk, G. Forconi, K. Freudenreich, C. Furetta, Yu. Galaktionov, S.N. Ganguli, P. Garcia-Abia, M. Gataullin, S. Gentile, S. Giagu, Z.F. Gong, H.J. Grabosch, G. Grenier, O. Grimm, H. Groenstege, M.W. Gruenewald, M. Guida, Y.N. Guo, S. Gupta, V.K. Gupta, A. Gurtu, L.J. Gutay, D. Haas, Ch. Haller, D. Hatzifotiadou, Y. Hayashi, Z.X. He, T. Hebbeker, A. Hervé, J. Hirschfelder, H. Hofer, M. Hohlmann, G. Holzner, S.R. Hou, A.X. Huo, Y. Hu, N. Ito, B.N. Jin, C.L. Jing, L.W. Jones, P. de Jong, I. Josa-Mutuberría, V. Kantserov, M. Kaur, S. Kawakami, M.N. Kienzle-Focacci, J.K. Kim, J. Kirkby, W. Kittel, A. Klimentov, A.C. König, E. Kok, A. Korn, M. Kopal, V. Koutsenko, M. Kräber, H.H. Kuang, R.W. Kraemer, A. Krüger, J. Kuijpers, A. Kunin, P. Ladron de Guevara, I. Laktineh, G. Landi, M. Lebeau, A. Lebedev, P. Lebrun, P. Lecomte, P. Lecoq, P. Le Coultre, J.M. Le Goff, Y. Lei, H. Leich, R. Leiste, M. Levtchenko, P. Levtchenko, C. Li, L. Li, Z.C. Li, S. Likhoded, C.H. Lin, W.T. Lin, F.L. Linde, L. Lista, Z.A. Liu, W. Lohmann, E. Longo, Y.S. Lu, C. Luci, L. Luminari, W. Lustermann, W.G. Ma, X.H. Ma, Y.Q. Ma, L. Malgeri, A. Malinin, C. Maña, J. Mans, J.P. Martin, F. Marzano, K. Mazumdar, R.R. McNeil, S. Mele, X.W. Meng, L. Merola, M. Meschini, W.J. Metzger, A. Mihul, A. van Mil, H. Milcent, G. Mirabelli, J. Mnich, G.B. Mohanty, B. Monteleoni, G.S. Muanza, A.J.M. Muijs, B. Musicar, M. Musy, S. Nagy, R. Nahnhauer, V.A. Naumov, S. Natale, M. Napolitano, F. Nessi-Tedaldi, H. Newman, A. Nisati, T. Novak, H. Nowak, R. Ofierzynski, G. Organtini, I. Pal, C. Palomares, P. Paolucci, R. Paramatti, J.-F. Parriaud, G. Passaleva, S. Patricelli, T. Paul, M. Pauluzzi, C. Paus, F. Pauss, M. Pedace, S. Pensotti, D. Perret-Gallix, B. Petersen, D. Piccolo, F. Pierella, M. Pieri, M. Pioppi, P.A. Piroué, E. Pistolesi, V. Plyaskin, M. Pohl, V. Pojidaev, J. Pothier, D. Prokofiev, J. Quartieri, C.R. Qing, G. Rahal-Callot, M.A. Rahaman, P. Raics, N. Raja, R. Ramelli, P.G. Rancoita, R. Ranieri, A. Raspereza, K.C. Ravindran, P. Razis, D. Ren, M. Rescigno, S. Reucroft, P. Rewiersma, S. Riemann, K. Riles, B.P. Roe, A. Rojkov, L. Romero, A. Rosca, C. Rosemann, C. Rosenbleck, S. Rosier-Lees, S. Roth, J.A. Rubio, G. Ruggiero, H. Rykaczewski, R. Saidi, A. Sakharov, S. Saremi, S. Sarkar, J. Salicio, E. Sanchez, C. Schäfer, V. Schegelsky, V. Schmitt, B. Schoeneich, H. Schopper, D.J. Schotanus, C. Sciacca, L. 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Subjects
Nuclear and High Energy Physics, Particle physics, L3,CERN-LEP-L3, Physics::Instrumentation and Detectors, Ciencias Físicas, Astrophysics::High Energy Astrophysical Phenomena, momentum spectrum, FOS: Physical sciences, Cosmic ray, ddc:500.2, 7. Clean energy, 01 natural sciences, High Energy Physics - Experiment, purl.org/becyt/ford/1 [https], Momentum, Nuclear physics, Atmospheric muon spectrum, High Energy Physics - Experiment (hep-ex), Muon spectrometer, muon, l3, cern lab, cosmic radiation, angular dependence, magnetic detector, 0103 physical sciences, Vertical direction, Nuclear Experiment, 010306 general physics, Cosmic rays, High-energy hadronic interactions, Zenith, Physics, Muon, 010308 nuclear & particles physics, Física, purl.org/becyt/ford/1.3 [https], Astronomía, Pair production, Muon flux, Physics::Accelerator Physics, High Energy Physics::Experiment, CIENCIAS NATURALES Y EXACTAS, Particle Physics - Experiment, FIS/04 - FISICA NUCLEARE E SUBNUCLEARE
Abstract

The absolute muon flux between 20 and 3000 GeV is measured with the L3 magnetic muon spectrometer for zenith angles ranging from 0°to 58°. Due to the large exposure of about 150 m2sr d, and the excellent momentum resolution of the L3 muon chambers, a precision of 2.3% at 150 GeV in the vertical direction is achieved.The ratio of positive to negative muons is studied between 20 and 500 GeV, and the average vertical muon charge ratio is found to be 1.285±0.003(stat.)±0.019(syst.)., Physics Letters B, 598 (1-2), ISSN:0370-2693, ISSN:0031-9163, ISSN:1873-2445

Published
2004

17. Measurement of the Z-boson mass using e+e -> Z gamma events at centre-of-mass energies above the Z pole

Author

P. Achard, O. Adriani, M. Aguilar-Benitez, J. Alcaraz, G. Alemanni, J. Allaby, A. Aloisio, M.G. Alviggi, H. Anderhub, V.P. Andreev, F. Anselmo, A. Arefiev, T. Azemoon, T. Aziz, P. Bagnaia, A. Bajo, G. Baksay, L. Baksay, S.V. Baldew, S. Banerjee, Sw. Banerjee, A. Barczyk, R. Barillère, P. Bartalini, M. Basile, N. Batalova, R. Battiston, A. Bay, F. Becattini, U. Becker, F. Behner, L. Bellucci, R. Berbeco, J. Berdugo, P. Berges, B. Bertucci, B.L. Betev, M. Biasini, M. Biglietti, A. Biland, J.J. Blaising, S.C. Blyth, G.J. Bobbink, A. Böhm, L. Boldizsar, B. Borgia, S. Bottai, D. Bourilkov, M. Bourquin, S. Braccini, J.G. Branson, F. Brochu, J.D. Burger, W.J. Burger, X.D. Cai, M. Capell, G. Cara Romeo, G. Carlino, A. Cartacci, J. Casaus, F. Cavallari, N. Cavallo, C. Cecchi, M. Cerrada, M. Chamizo, Y.H. Chang, M. Chemarin, A. Chen, G. Chen, G.M. Chen, H.F. Chen, H.S. Chen, G. Chiefari, L. Cifarelli, F. Cindolo, I. Clare, R. Clare, G. Coignet, N. Colino, S. Costantini, B. de la Cruz, S. Cucciarelli, J.A. van Dalen, R. de Asmundis, P. Déglon, J. Debreczeni, A. Degré, K. Dehmelt, K. Deiters, D. della Volpe, E. Delmeire, P. Denes, F. DeNotaristefani, A. De Salvo, M. Diemoz, M. Dierckxsens, C. Dionisi, M. Dittmar, A. Doria, M.T. Dova, D. Duchesneau, M. Duda, B. Echenard, A. Eline, A. El Hage, H. El Mamouni, A. Engler, F.J. Eppling, P. Extermann, M.A. Falagan, S. Falciano, A. Favara, J. Fay, O. Fedin, M. Felcini, T. Ferguson, H. Fesefeldt, E. Fiandrini, J.H. Field, F. Filthaut, P.H. Fisher, W. Fisher, I. Fisk, G. Forconi, K. Freudenreich, C. Furetta, Yu. Galaktionov, S.N. Ganguli, P. Garcia-Abia, M. Gataullin, S. Gentile, S. Giagu, Z.F. Gong, G. Grenier, O. Grimm, M.W. Gruenewald, M. Guida, R. van Gulik, V.K. Gupta, A. Gurtu, L.J. Gutay, D. Haas, D. Hatzifotiadou, T. Hebbeker, A. Hervé, J. Hirschfelder, H. Hofer, M. Hohlmann, G. Holzner, S.R. Hou, Y. Hu, B.N. Jin, L.W. Jones, P. de Jong, I. Josa-Mutuberrı́a, D. Käfer, M. Kaur, M.N. Kienzle-Focacci, J.K. Kim, J. Kirkby, W. Kittel, A. Klimentov, A.C. König, M. Kopal, V. Koutsenko, M. Kräber, R.W. Kraemer, A. Krüger, A. Kunin, P. Ladron de Guevara, I. Laktineh, G. Landi, M. Lebeau, A. Lebedev, P. Lebrun, P. Lecomte, P. Lecoq, P. Le Coultre, J.M. Le Goff, R. Leiste, M. Levtchenko, P. Levtchenko, C. Li, S. Likhoded, C.H. Lin, W.T. Lin, F.L. Linde, L. Lista, Z.A. Liu, W. Lohmann, E. Longo, Y.S. Lu, C. Luci, L. Luminari, W. Lustermann, W.G. Ma, L. Malgeri, A. Malinin, C. Maña, J. Mans, J.P. Martin, F. Marzano, K. Mazumdar, R.R. McNeil, S. Mele, L. Merola, M. Meschini, W.J. Metzger, A. Mihul, H. Milcent, G. Mirabelli, J. Mnich, G.B. Mohanty, G.S. Muanza, A.J.M. Muijs, B. Musicar, M. Musy, S. Nagy, S. Natale, M. Napolitano, F. Nessi-Tedaldi, H. Newman, A. Nisati, T. Novak, H. Nowak, R. Ofierzynski, G. Organtini, I. Pal, C. Palomares, P. Paolucci, R. Paramatti, G. Passaleva, S. Patricelli, T. Paul, M. Pauluzzi, C. Paus, F. Pauss, M. Pedace, S. Pensotti, D. Perret-Gallix, B. Petersen, D. Piccolo, F. Pierella, M. Pioppi, P.A. Piroué, E. Pistolesi, V. Plyaskin, M. Pohl, V. Pojidaev, J. Pothier, D. Prokofiev, J. Quartieri, G. Rahal-Callot, M.A. Rahaman, P. Raics, N. Raja, R. Ramelli, P.G. Rancoita, R. Ranieri, A. Raspereza, P. Razis, D. Ren, M. Rescigno, S. Reucroft, S. Riemann, K. Riles, B.P. Roe, L. Romero, A. Rosca, S. Rosier-Lees, S. Roth, C. Rosenbleck, J.A. Rubio, G. Ruggiero, H. Rykaczewski, A. Sakharov, S. Saremi, S. Sarkar, J. Salicio, E. Sanchez, C. Schäfer, V. Schegelsky, H. Schopper, D.J. Schotanus, C. Sciacca, L. Servoli, S. Shevchenko, N. Shivarov, V. Shoutko, E. Shumilov, A. Shvorob, D. Son, C. Souga, P. Spillantini, M. Steuer, D.P. Stickland, B. Stoyanov, A. Straessner, K. Sudhakar, G. Sultanov, L.Z. Sun, S. Sushkov, H. Suter, J.D. Swain, Z. Szillasi, X.W. Tang, P. Tarjan, L. Tauscher, L. Taylor, B. Tellili, D. Teyssier, C. Timmermans, Samuel C.C. Ting, S.M. Ting, S.C. Tonwar, J. Tóth, C. Tully, K.L. Tung, J. Ulbricht, E. Valente, R.T. Van de Walle, R. Vasquez, V. Veszpremi, G. Vesztergombi, I. Vetlitsky, D. Vicinanza, G. Viertel, S. Villa, M. Vivargent, S. Vlachos, I. Vodopianov, H. Vogel, H. Vogt, I. Vorobiev, A.A. Vorobyov, M. Wadhwa, Q. Wang, X.L. Wang, Z.M. Wang, M. Weber, P. Wienemann, H. Wilkens, S. Wynhoff, L. Xia, Z.Z. Xu, J. Yamamoto, B.Z. Yang, C.G. Yang, H.J. Yang, M. Yang, S.C. Yeh, An. Zalite, Yu. Zalite, Z.P. Zhang, J. Zhao, G.Y. Zhu, R.Y. Zhu, H.L. Zhuang, A. Zichichi, B. Zimmermann, M. Zöller, Achard, Pablo, Bourquin, Maurice, Braccini, Saverio, Chamizo Llatas, Maria, Deglon, Patrick, Delmeire, Evelyne, Echenard, Bertrand, Extermann, Pierre, Field, John, Kienzle, Maria-Novella, Malgeri, Luca, Natale, Sonia, Pohl, Martin, Straessner, Arno, L3 (IHEF, IoP, FNWI), P. ACHARD, O. ADRIANI, M. AGUILAR-BENITEZ, J. ALCARAZ, G. ALEMANNI, J. ALLABY, A. ALOISIO, M.G. ALVIGGI, H. ANDERHUB, V.P. ANDREEV, F. ANSELMO, A. AREFIEV, T. AZEMOON, T. AZIZ, P. BAGNAIA, A. BAJO, G. BAKSAY, L. BAKSAY, S.V. BALDEW, S. BANERJEE, SW. BANERJEE, A. BARCZYK, R. BARILLÈRE, P. BARTALINI, M. BASILE, N. BATALOVA, R. BATTISTON, A. BAY, F. BECATTINI, U. BECKER, F. BEHNER, L. BELLUCCI, R. BERBECO, J. BERDUGO, P. BERGES, B. BERTUCCI, B.L. BETEV, M. BIASINI, M. BIGLIETTI, A. BILAND, J.J. BLAISING, S.C. BLYTH, G.J. BOBBINK, A. BÖHM, L. BOLDIZSAR, B. BORGIA, S. BOTTAI, D. BOURILKOV, M. BOURQUIN, S. BRACCINI, J.G. BRANSON, F. BROCHU, J.D. BURGER, W.J. BURGER, X.D. CAI, M. CAPELL, G. CARA ROMEO, G. CARLINO, A. CARTACCI, J. CASAUS, F. CAVALLARI, N. CAVALLO, C. CECCHI, M. CERRADA, M. CHAMIZO, Y.H. CHANG, M. CHEMARIN, A. CHEN, G. CHEN, G.M. CHEN, H.F. CHEN, H.S. CHEN, G. CHIEFARI, L. CIFARELLI, F. CINDOLO, I. CLARE, R. CLARE, G. COIGNET, N. COLINO, S. COSTANTINI, B. DE LA CRUZ, S. CUCCIARELLI, J.A. VAN DALEN, R. DE ASMUNDIS, P. DÉGLON, J. DEBRECZENI, A. DEGRÉ, K. DEHMELT, K. DEITERS, D. DELLA VOLPE, E. DELMEIRE, P. DENES, F. DE NOTARISTEFANI, A. DE SALVO, M. DIEMOZ, M. DIERCKXSENS, C. DIONISI, M. DITTMAR, A. DORIA, M.T. DOVA, D. DUCHESNEAU, M. DUDA, B. ECHENARD, A. ELINE, A. EL HAGE, H. EL MAMOUNI, A. ENGLER, F.J. EPPLING, P. EXTERMANN, M.A. FALAGAN, S. FALCIANO, A. FAVARA, J. FAY, O. FEDIN, M. FELCINI, T. FERGUSON, H. FESEFELDT, E. FIANDRINI, J.H. FIELD, F. FILTHAUT, P.H. FISHER, W. FISHER, I. FISK, G. FORCONI, K. FREUDENREICH, C. FURETTA, YU. GALAKTIONOV, S.N. GANGULI, P. GARCIA-ABIA, M. GATAULLIN, S. GENTILE, S. GIAGU, Z.F. GONG, G. GRENIER, O. GRIMM, M.W. GRUENEWALD, M. GUIDA, V.K. GUPTA, A. GURTU, L.J. GUTAY, D. HAAS, D. HATZIFOTIADOU, T. HEBBEKER, A. HERVÉ, J. HIRSCHFELDER, H. HOFER, M. HOHLMANN, G. HOLZNER, S.R. HOU, Y. HU, B.N. JIN, L.W. JONES, P. DE JONG, I. JOSA-MUTUBERRÍA, M. KAUR, M.N. KIENZLE-FOCACCI, J.K. KIM, J. KIRKBY, W. KITTEL, A. KLIMENTOV, A.C. KOENIG, M. KOPAL, V. KOUTSENKO, M. KRAEBER, R.W. KRAEMER, A. KRUEGER, A. KUNIN, P. LADRON DE GUEVARA, I. LAKTINEH, G. LANDI, M. LEBEAU, A. LEBEDEV, P. LEBRUN, P. LECOMTE, P. LECOQ, P. LE COULTRE, J.M. LE GOFF, R. LEISTE, M. LEVTCHENKO, P. LEVTCHENKO, C. LI, S. LIKHODED, C.H. LIN, W.T. LIN, F.L. LINDE, L. LISTA, Z.A. LIU, W. LOHMANN, E. LONGO, Y.S. LU, C. LUCI, L. LUMINARI, W. LUSTERMANN, W.G. MA, L. MALGERI, A. MALININ, C. MANA, D. MANGEOL, J. MANS, J.P. MARTIN, F. MARZANO, K. MAZUMDAR, RR. MCNEIL, S. MELE, L. MEROLA, M. MESCHINI, W.J. METZGER, A. MIHUL, H. MILCENT, G. MIRABELLI, J. MNICH, G.B. MOHANTY, G.S. MUANZA, A.J.M. MUIJS, B. MUSICAR, M. MUSY, S. NAGY, S. NATALE, M. NAPOLITANO, F. NESSI-TEDALDI, H. NEWMAN, A. NISATI, T. NOVAK, H. NOWAK, R. OFIERZYNSKI, G. ORGANTINI, I. PAL, C. PALOMARES, P.PAOLUCCI, R. PARAMATTI, G. PASSALEVA, S. PATRICELLI, T. PAUL, M. PAULUZZI, C. PAUS, F. PAUSS, M. PEDACE, S. PENSOTTI, D. PERRET-GALLIX, B. PETERSEN, D. PICCOLO, F. PIERELLA, M. PIOPPI, P.A. PIROUE, E. PISTOLESI, V. PLYASKIN, M. POHL, V. POJIDAEV, J. POTHIER, D. PROKOFIEV, J. QUARTIERI, G. RAHAL-CALLOT, M.A.RAHAMAN, P. RAICS, N. RAJA, R. RAMELLI, P.G. RANCOITA, R. RANIERI, A. RASPEREZA, P. RAZIS, D. REN, M. RESCIGNO, S. REUCROFT, S. RIEMANN, K. RILES, B.P. ROE, L. ROMERO, A. ROSCA, C. ROSEMANN, C. ROSENBLECK, S. ROSIER-LEES, S. ROTH, J.A. RUBIO, G. RUGGIERO, H. RYKACZEWSKI, A. SAKHAROV, S. SAREMI, S. SARKAR, J. SALICIO, E. SANCHEZ, C. SCHAEFER, V. SCHEGELSKY, H. SCHOPPER, D.J. SCHOTANUS, C. SCIACCA, L. SERVOLI, S. SHEVCHENKO, N. SHIVAROV, V. SHOUTKO, E. SHUMILOV, A. SHVOROB, D. SON, C. SOUGA, P. SPILLANTINI, M. STEUER, D.P. STICKLAND, B. STOYANOV, A. STRAESSNER, K. SUDHAKAR, G. SULTANOV, L.Z. SUN, S. SUSHKOV, H. SUTER, J.D. SWAIN, Z. SZILLASI, X.W. TANG, P. TARJAN, L. TAUSCHER, L. TAYLOR, B. TELLILI, D. TEYSSIER, C. TIMMERMANS, SAMUEL C.C. TING, S.M. TING, S.C. TONWAR, J. TOTH, C. TULLY, K.L. TUNG, J. ULBRICHT, E. VALENTE, R.T. VAN DE WALLE, R. VASQUEZ, V. VESZPREMI, G. VESZTERGOMBI, I. VETLITSKI, D. VICINANZA, G. VIERTEL, S. VILLA, M. VIVARGENT, S. VLACHOS, I. VODOPIANOV, H. VOGEL, H. VOGT, I. VOROBIEV, A.A. VOROBYOV, M. WADHWA, Q. WANG, X.L. WANG, Z.M. WANG, M. WEBER, H. WILKENS, S. WYNHOFF, L. XIA, Z.Z. XU, J. YAMAMOTO, B.Z. YANG, C.G. YANG, H.J. YANG, M. YANG, S.C. YEH, AN. ZALITE, YU. ZALITE, Z.P. ZHANG, J. ZHAO, G.Y. ZHU, R.Y. ZHU, H.L. ZHUANG, A. ZICHICHI, B. ZIMMERMANN, M. ZOELLER, IHEF (IoP, FNWI), Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Institut de Physique Nucléaire de Lyon (IPNL), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), CMS, Institut de Physique des 2 Infinis de Lyon (IP2I Lyon), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS), L3, Aloisio, Alberto, Alviggi, Mariagrazia, Chiefari, Giovanni, DELLA VOLPE, Domenico, Merola, Leonardo, Napolitano, Marco, Patricelli, Sergio, Sciacca, Crisostomo, and Lista, Luca

Subjects
Nuclear and High Energy Physics, Particle physics, Z boson, Hadron, ddc:500.2, Radiation, 01 natural sciences, Measure (mathematics), 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], 010306 general physics, Nuclear Experiment, Ciencias Exactas, L3 EXPERIMENT, Physics, Muon, 010308 nuclear & particles physics, Z pole, Resonance, Física, centre-of-mass energies, Z-boson, monte-carlo program, cross-sections, l3 experiment, final-states, qcd, lep, photoproduction, simulation, collisions, parameters, High Energy Physics::Experiment, Beam energy
Abstract

Events from the e+e− → Zγ process with hard initial-state radiation collected with the L3 detector at centre-of-mass energies between 183 and 209 GeV are used to measure the mass of the Z boson. Decays of the Z boson into hadrons or muon pairs are considered and the Z mass is determined to be 91.272 ± 0.032(stat) ± 0.033(syst) GeV, in agreement with the value measured at the Z resonance. Alternatively, assuming this measured value of the Z mass, the method determines the LEP centre-of-mass energy, found to be 175 ± 68(stat) ± 68(syst) MeV lower than the nominal value., Facultad de Ciencias Exactas

Published
2004

18. Search for color singlet and color reconnection effects in hadronic Z decays at LEP

Author

P. Achard, O. Adriani, M. Aguilar-Benitez, J. Alcaraz, G. Alemanni, J. Allaby, A. Aloisio, M.G. Alviggi, H. Anderhub, V.P. Andreev, F. Anselmo, A. Arefiev, T. Azemoon, T. Aziz, P. Bagnaia, A. Bajo, G. Baksay, L. Baksay, S.V. Baldew, S. Banerjee, Sw. Banerjee, A. Barczyk, R. Barillère, P. Bartalini, M. Basile, N. Batalova, R. Battiston, A. Bay, F. Becattini, U. Becker, F. Behner, L. Bellucci, R. Berbeco, J. Berdugo, P. Berges, B. Bertucci, B.L. Betev, M. Biasini, M. Biglietti, A. Biland, J.J. Blaising, S.C. Blyth, G.J. Bobbink, A. Böhm, L. Boldizsar, B. Borgia, S. Bottai, D. Bourilkov, M. Bourquin, S. Braccini, J.G. Branson, F. Brochu, J.D. Burger, W.J. Burger, X.D. Cai, M. Capell, G. Cara Romeo, G. Carlino, A. Cartacci, J. Casaus, F. Cavallari, N. Cavallo, C. Cecchi, M. Cerrada, M. Chamizo, Y.H. Chang, M. Chemarin, A. Chen, G. Chen, G.M. Chen, H.F. Chen, H.S. Chen, G. Chiefari, L. Cifarelli, F. Cindolo, I. Clare, R. Clare, G. Coignet, N. Colino, S. Costantini, B. de la Cruz, S. Cucciarelli, J.A. van Dalen, R. de Asmundis, P. Déglon, J. Debreczeni, A. Degré, K. Dehmelt, K. Deiters, D. della Volpe, E. Delmeire, P. Denes, F. DeNotaristefani, A. De Salvo, M. Diemoz, M. Dierckxsens, C. Dionisi, M. Dittmar, A. Doria, M.T. Dova, D. Duchesneau, M. Duda, B. Echenard, A. Eline, A. El Hage, H. El Mamouni, A. Engler, F.J. Eppling, P. Extermann, M.A. Falagan, S. Falciano, A. Favara, J. Fay, O. Fedin, M. Felcini, T. Ferguson, H. Fesefeldt, E. Fiandrini, J.H. Field, F. Filthaut, P.H. Fisher, W. Fisher, I. Fisk, G. Forconi, K. Freudenreich, C. Furetta, Yu. Galaktionov, S.N. Ganguli, P. Garcia-Abia, M. Gataullin, S. Gentile, S. Giagu, Z.F. Gong, G. Grenier, O. Grimm, M.W. Gruenewald, M. Guida, R. van Gulik, V.K. Gupta, A. Gurtu, L.J. Gutay, D. Haas, D. Hatzifotiadou, T. Hebbeker, A. Hervé, J. Hirschfelder, H. Hofer, M. Hohlmann, G. Holzner, S.R. Hou, Y. Hu, B.N. Jin, L.W. Jones, P. de Jong, I. Josa-Mutuberrı́a, D. Käfer, M. Kaur, M.N. Kienzle-Focacci, J.K. Kim, J. Kirkby, W. Kittel, A. Klimentov, A.C. König, M. Kopal, V. Koutsenko, M. Kräber, R.W. Kraemer, A. Krüger, A. Kunin, P. Ladron de Guevara, I. Laktineh, G. Landi, M. Lebeau, A. Lebedev, P. Lebrun, P. Lecomte, P. Lecoq, P. Le Coultre, J.M. Le Goff, R. Leiste, M. Levtchenko, P. Levtchenko, C. Li, S. Likhoded, C.H. Lin, W.T. Lin, F.L. Linde, L. Lista, Z.A. Liu, W. Lohmann, E. Longo, Y.S. Lu, C. Luci, L. Luminari, W. Lustermann, W.G. Ma, L. Malgeri, A. Malinin, C. Maña, J. Mans, J.P. Martin, F. Marzano, K. Mazumdar, R.R. McNeil, S. Mele, L. Merola, M. Meschini, W.J. Metzger, A. Mihul, H. Milcent, G. Mirabelli, J. Mnich, G.B. Mohanty, G.S. Muanza, A.J.M. Muijs, B. Musicar, M. Musy, S. Nagy, S. Natale, M. Napolitano, F. Nessi-Tedaldi, H. Newman, A. Nisati, T. Novak, H. Nowak, R. Ofierzynski, G. Organtini, I. Pal, C. Palomares, P. Paolucci, R. Paramatti, G. Passaleva, S. Patricelli, T. Paul, M. Pauluzzi, C. Paus, F. Pauss, M. Pedace, S. Pensotti, D. Perret-Gallix, B. Petersen, D. Piccolo, F. Pierella, M. Pioppi, P.A. Piroué, E. Pistolesi, V. Plyaskin, M. Pohl, V. Pojidaev, J. Pothier, D. Prokofiev, J. Quartieri, G. Rahal-Callot, M.A. Rahaman, P. Raics, N. Raja, R. Ramelli, P.G. Rancoita, R. Ranieri, A. Raspereza, P. Razis, D. Ren, M. Rescigno, S. Reucroft, S. Riemann, K. Riles, B.P. Roe, L. Romero, A. Rosca, S. Rosier-Lees, S. Roth, C. Rosenbleck, J.A. Rubio, G. Ruggiero, H. Rykaczewski, A. Sakharov, S. Saremi, S. Sarkar, J. Salicio, E. Sanchez, C. Schäfer, V. Schegelsky, H. Schopper, D.J. Schotanus, C. Sciacca, L. Servoli, S. Shevchenko, N. Shivarov, V. Shoutko, E. Shumilov, A. Shvorob, D. Son, C. Souga, P. Spillantini, M. Steuer, D.P. Stickland, B. Stoyanov, A. Straessner, K. Sudhakar, G. Sultanov, L.Z. Sun, S. Sushkov, H. Suter, J.D. Swain, Z. Szillasi, X.W. Tang, P. Tarjan, L. Tauscher, L. Taylor, B. Tellili, D. Teyssier, C. Timmermans, Samuel C.C. Ting, S.M. Ting, S.C. Tonwar, J. Tóth, C. Tully, K.L. Tung, J. Ulbricht, E. Valente, R.T. Van de Walle, R. Vasquez, V. Veszpremi, G. Vesztergombi, I. Vetlitsky, D. Vicinanza, G. Viertel, S. Villa, M. Vivargent, S. Vlachos, I. Vodopianov, H. Vogel, H. Vogt, I. Vorobiev, A.A. Vorobyov, M. Wadhwa, Q. Wang, X.L. Wang, Z.M. Wang, M. Weber, P. Wienemann, H. Wilkens, S. Wynhoff, L. Xia, Z.Z. Xu, J. Yamamoto, B.Z. Yang, C.G. Yang, H.J. Yang, M. Yang, S.C. Yeh, An. Zalite, Yu. Zalite, Z.P. Zhang, J. Zhao, G.Y. Zhu, R.Y. Zhu, H.L. Zhuang, A. Zichichi, B. Zimmermann, M. Zöller, Achard, Pablo, Bourquin, Maurice, Braccini, Saverio, Chamizo Llatas, Maria, Deglon, Patrick, Delmeire, Evelyne, Echenard, Bertrand, Extermann, Pierre, Field, John, Kienzle, Maria-Novella, Malgeri, Luca, Natale, Sonia, Pohl, Martin, Straessner, Arno, P., Achard, Aloisio, Alberto, Alviggi, Mariagrazia, Chiefari, Giovanni, DELLA VOLPE, Domenico, Merola, Leonardo, Napolitano, Marco, Patricelli, Sergio, Sciacca, Crisostomo, Lista, Luca, Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Institut de Physique Nucléaire de Lyon (IPNL), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), CMS, Institut de Physique des 2 Infinis de Lyon (IP2I Lyon), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS), L3, L3 (IHEF, IoP, FNWI), P. ACHARD, O. ADRIANI, M. AGUILAR-BENITEZ, J. ALCARAZ, G. ALEMANNI, J. ALLABY, A. ALOISIO, M.G. ALVIGGI, H. ANDERHUB, V.P. ANDREEV, F. ANSELMO, A. AREFIEV, T. AZEMOON, T. AZIZ, P. BAGNAIA, A. BAJO, G. BAKSAY, L. BAKSAY, S.V. BALDEW, S. BANERJEE, SW. BANERJEE, A. BARCZYK, R. BARILLÈRE, P. BARTALINI, M. BASILE, N. BATALOVA, R. BATTISTON, A. BAY, F. BECATTINI, U. BECKER, F. BEHNER, L. BELLUCCI, R. BERBECO, J. BERDUGO, P. BERGES, B. BERTUCCI, B.L. BETEV, M. BIASINI, M. BIGLIETTI, A. BILAND, J.J. BLAISING, S.C. BLYTH, G.J. BOBBINK, A. BÖHM, L. BOLDIZSAR, B. BORGIA, S. BOTTAI, D. BOURILKOV, M. BOURQUIN, S. BRACCINI, J.G. BRANSON, F. BROCHU, J.D. BURGER, W.J. BURGER, X.D. CAI, M. CAPELL, G. CARA ROMEO, G. CARLINO, A. CARTACCI, J. CASAUS, F. CAVALLARI, N. CAVALLO, C. CECCHI, M. CERRADA, M. CHAMIZO, Y.H. CHANG, M. CHEMARIN, A. CHEN, G. CHEN, G.M. CHEN, H.F. CHEN, H.S. CHEN, G. CHIEFARI, L. CIFARELLI, F. CINDOLO, I. CLARE, R. CLARE, G. COIGNET, N. COLINO, S. COSTANTINI, B. DE LA CRUZ, S. CUCCIARELLI, J.A. VAN DALEN, R. DE ASMUNDIS, P. DÉGLON, J. DEBRECZENI, A. DEGRÉ, K. DEHMELT, K. DEITERS, D. DELLA VOLPE, E. DELMEIRE, P. DENES, F. DE NOTARISTEFANI, A. DE SALVO, M. DIEMOZ, M. DIERCKXSENS, C. DIONISI, M. DITTMAR, A. DORIA, M.T. DOVA, D. DUCHESNEAU, M. DUDA, B. ECHENARD, A. ELINE, A. EL HAGE, H. EL MAMOUNI, A. ENGLER, F.J. EPPLING, P. EXTERMANN, M.A. FALAGAN, S. FALCIANO, A. FAVARA, J. FAY, O. FEDIN, M. FELCINI, T. FERGUSON, H. FESEFELDT, E. FIANDRINI, J.H. FIELD, F. FILTHAUT, P.H. FISHER, W. FISHER, I. FISK, G. FORCONI, K. FREUDENREICH, C. FURETTA, YU. GALAKTIONOV, S.N. GANGULI, P. GARCIA-ABIA, M. GATAULLIN, S. GENTILE, S. GIAGU, Z.F. GONG, G. GRENIER, O. GRIMM, M.W. GRUENEWALD, M. GUIDA, V.K. GUPTA, A. GURTU, L.J. GUTAY, D. HAAS, D. HATZIFOTIADOU, T. HEBBEKER, A. HERVÉ, J. HIRSCHFELDER, H. HOFER, M. HOHLMANN, G. HOLZNER, S.R. HOU, Y. HU, B.N. JIN, L.W. JONES, P. DE JONG, I. JOSA-MUTUBERRÍA, M. KAUR, M.N. KIENZLE-FOCACCI, J.K. KIM, J. KIRKBY, W. KITTEL, A. KLIMENTOV, A.C. KOENIG, M. KOPAL, V. KOUTSENKO, M. KRAEBER, R.W. KRAEMER, A. KRUEGER, A. KUNIN, P. LADRON DE GUEVARA, I. LAKTINEH, G. LANDI, M. LEBEAU, A. LEBEDEV, P. LEBRUN, P. LECOMTE, P. LECOQ, P. LE COULTRE, J.M. LE GOFF, R. LEISTE, M. LEVTCHENKO, P. LEVTCHENKO, C. LI, S. LIKHODED, C.H. LIN, W.T. LIN, F.L. LINDE, L. LISTA, Z.A. LIU, W. LOHMANN, E. LONGO, Y.S. LU, C. LUCI, L. LUMINARI, W. LUSTERMANN, W.G. MA, L. MALGERI, A. MALININ, C. MANA, D. MANGEOL, J. MANS, J.P. MARTIN, F. MARZANO, K. MAZUMDAR, RR. MCNEIL, S. MELE, L. MEROLA, M. MESCHINI, W.J. METZGER, A. MIHUL, H. MILCENT, G. MIRABELLI, J. MNICH, G.B. MOHANTY, G.S. MUANZA, A.J.M. MUIJS, B. MUSICAR, M. MUSY, S. NAGY, S. NATALE, M. NAPOLITANO, F. NESSI-TEDALDI, H. NEWMAN, A. NISATI, T. NOVAK, H. NOWAK, R. OFIERZYNSKI, G. ORGANTINI, I. PAL, C. PALOMARES, P.PAOLUCCI, R. PARAMATTI, G. PASSALEVA, S. PATRICELLI, T. PAUL, M. PAULUZZI, C. PAUS, F. PAUSS, M. PEDACE, S. PENSOTTI, D. PERRET-GALLIX, B. PETERSEN, D. PICCOLO, F. PIERELLA, M. PIOPPI, P.A. PIROUE, E. PISTOLESI, V. PLYASKIN, M. POHL, V. POJIDAEV, J. POTHIER, D. PROKOFIEV, J. QUARTIERI, G. RAHAL-CALLOT, M.A.RAHAMAN, P. RAICS, N. RAJA, R. RAMELLI, P.G. RANCOITA, R. RANIERI, A. RASPEREZA, P. RAZIS, D. REN, M. RESCIGNO, S. REUCROFT, S. RIEMANN, K. RILES, B.P. ROE, L. ROMERO, A. ROSCA, C. ROSEMANN, C. ROSENBLECK, S. ROSIER-LEES, S. ROTH, J.A. RUBIO, G. RUGGIERO, H. RYKACZEWSKI, A. SAKHAROV, S. SAREMI, S. SARKAR, J. SALICIO, E. SANCHEZ, C. SCHAEFER, V. SCHEGELSKY, H. SCHOPPER, D.J. SCHOTANUS, C. SCIACCA, L. SERVOLI, S. SHEVCHENKO, N. SHIVAROV, V. SHOUTKO, E. SHUMILOV, A. SHVOROB, D. SON, C. SOUGA, P. SPILLANTINI, M. STEUER, D.P. STICKLAND, B. STOYANOV, A. STRAESSNER, K. SUDHAKAR, G. SULTANOV, L.Z. SUN, S. SUSHKOV, H. SUTER, J.D. SWAIN, Z. SZILLASI, X.W. TANG, P. TARJAN, L. TAUSCHER, L. TAYLOR, B. TELLILI, D. TEYSSIER, C. TIMMERMANS, SAMUEL C.C. TING, S.M. TING, S.C. TONWAR, J. TOTH, C. TULLY, K.L. TUNG, J. ULBRICHT, E. VALENTE, R.T. VAN DE WALLE, R. VASQUEZ, V. VESZPREMI, G. VESZTERGOMBI, I. VETLITSKI, D. VICINANZA, G. VIERTEL, S. VILLA, M. VIVARGENT, S. VLACHOS, I. VODOPIANOV, H. VOGEL, H. VOGT, I. VOROBIEV, A.A. VOROBYOV, M. WADHWA, Q. WANG, X.L. WANG, Z.M. WANG, M. WEBER, H. WILKENS, S. WYNHOFF, L. XIA, Z.Z. XU, J. YAMAMOTO, B.Z. YANG, C.G. YANG, H.J. YANG, M. YANG, S.C. YEH, AN. ZALITE, YU. ZALITE, Z.P. ZHANG, J. ZHAO, G.Y. ZHU, R.Y. ZHU, H.L. ZHUANG, A. ZICHICHI, B. ZIMMERMANN, M. ZOELLER, and IHEF (IoP, FNWI)

Subjects
Quark, Particle physics, Nuclear and High Energy Physics, Z boson, e&e-annihilation, rapidity gaps, 3-jet events, e+e annihilation, particle-flow, root-s, energy, jets, quark, tests, Electron–positron annihilation, Hadron, FOS: Physical sciences, ddc:500.2, Astrophysics::Cosmology and Extragalactic Astrophysics, 01 natural sciences, High Energy Physics - Experiment, Nuclear physics, Z boson decay, High Energy Physics - Experiment (hep-ex), colour singlet production, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Particle flow, Singlet state, 010306 general physics, Ciencias Exactas, Astrophysics::Galaxy Astrophysics, Physics, 010308 nuclear & particles physics, L3 experiment, colour reconnection effects, Física, 3. Good health, High Energy Physics::Experiment, Particle Physics - Experiment
Abstract

A search is performed in symmetric 3-jet hadronic Z-decay events for evidence of colour singlet production or colour reconnection effects. Asymmetries in the angular separation of particles are found to be sensitive indicators of such effects. Upper limits on the level of colour singlet production or of colour reconnection effects are established for a variety of models., Facultad de Ciencias Exactas

Published
2004

19. Subjective global assesment (SGA) relevant information to predict surgical complications in an enhanced recovery after surgery (ERAS) protocol implementation of colon cancer surgery

Author

J.A. Rubio, M. Expósito, Julia Álvarez, N. Gil-Fournier, M. Díez, E. Atienza, and M. Benito

Subjects
Protocol (science), medicine.medical_specialty, Nutrition and Dietetics, Colorectal cancer, business.industry, medicine, Critical Care and Intensive Care Medicine, medicine.disease, business, Enhanced recovery after surgery, Relevant information, Surgery
Published
2018

20. Detección de problemas en pacientes geriátricos con fractura de cadera. Importancia de la colaboración entre traumatólogo y geriatra

Author

F. Madruga Galán, P. Sáez López, and J.A. Rubio Caballero

Subjects
Surgery
Abstract

Objetivo Evaluar el beneficio que proporciona un Equipo Consultor Geriatrico (ECG) a los pacientes geriatricos que ingresan con fractura de cadera en cuanto a la deteccion de problemas clinicos. Material y metodo Estudio prospectivo y controlado que compara dos grupos: los pacientes manejados por el ECG y los que no conocio dicho equipo. Resultados Fueron estudiados 449 pacientes, con una edad media de 83 anos y el 80% mujeres. El ECG detecto mas antecedentes personales (5,4 frente a 3,3) y mas sindromes geriatricos previos (2 frente 0,4). A lo largo del ingreso el ECG detecto mas complicaciones (3,8 frente a 0,4), mas nuevos diagnosticos (2,1 frente a 0,4) y mas sindromes geriatricos (3,6 frente a 0,5). Las diferencias resultaron significativas en los siguientes problemas: anemia, desnutricion, estrenimiento, delirium, osteoporosis, ulceras por presion, demencia, deficit sensoriales e incontinencia. Algunos de los datos recogidos nos sugieren que pudo haber diagnosticos no detectados en el grupo control. Conclusiones La revision diaria por parte del ECG de los pacientes ofrece una evaluacion mas completa y reduce la probabilidad de infradiagnostico de problemas clinicos importantes. La colaboracion entre traumatologo y geriatra da como resultado un manejo del paciente mas efectivo.

Published
2007

21. Detection of Health Conditions in Elderly Patients with a Hip Fracture. Importance of Collaboration between Orthopedic and Geriatric Specialists

Author

J.A. Rubio Caballero, P. Sáez López, and F. Madruga Galán

Subjects
Pediatrics, medicine.medical_specialty, Hip fracture, Constipation, Anemia, business.industry, Osteoporosis, medicine.disease, Malnutrition, Orthopedic surgery, medicine, Dementia, Delirium, Orthopedics and Sports Medicine, Surgery, medicine.symptom, business
Abstract

Purpose To assess the benefits of a Geriatric Consultant Team (GCT) to detect health conditions in elderly patients hospitalized for a hip fracture. Materials and methods This was a prospective controlled study that compared two groups: patients under the care of a GCT and those not under the care of a GCT. Results A total of 449 patients were studied; mean age 83 years; 80% women. The GCT detected more incidents in clinical records (5.4 compared to 3.3), and more previous geriatric syndromes (2 compared to 0.4). During hospitalization the GCT detected a higher rate of complications (2.1 compared to 0.4) and more geriatric syndromes (3.6 compared to 0.5). Significant differences were seen in the following conditions: anemia, malnutrition, constipation, delirium, osteoporosis, bedsores, dementia, sensory deficits and incontinence. Some of the data collected suggested that there might have been non-detected health conditions in the control group. Conclusions The GCT reviewed patients daily, which resulted in a more complete assessment and a reduction in the probability of under-diagnosing significant clinical conditions. More effective patient care is achieved when Geriatric and Orthopedic Specialists work together.

Published
2007

23. Temperature and salinity dependence of molar absorptivities of thymol blue: Application to the spectrophotometric determination of pH in estuarine waters

Author

J.A. Rubio, M.D. Gabriel, Jesús M. Forja, and Abelardo Gómez-Parra

Subjects
chemistry.chemical_compound, chemistry, Ionic strength, Mineralogy, Thymol blue, Aquatic Science, Nuclear chemistry
Abstract

Molar absorptivities of thymol blue have been determined in synthetic solutions of ionic strength ranging from 0.1 to 0.7 Mw. The solutions were buffered to pH 11.5 in order to characterize the absorption spectrum of the basic form of the indicator and to pH 5.0 to characterize the HI– form. The extinction coefficients corresponding to the maximums of absorption of these forms of the indicator, as well as the molar absorptivities that describe the residual absorbances at the same wavelengths, were determined through linear regression between the indicator concentration in these samples and the absorbances of the maximums after successive additions of 2 mM thymol blue. A linear dependence of the molar absorptivities was found with temperature between 5ºC and 30ºC, and with salinity only for 596ε (I2–). The application of the expressions of the molar absorptivities for the calculation of the spectrophotometric pH provided results in accordance with the potentiometric pH measurements in the total hydrogen ion concentration scale

Published
2005

24. Measurement of exclusive ρ0ρ0 production in mid-virtuality two-photon interactions at LEP

Author

P. Achard, O. Adriani, M. Aguilar-Benitez, J. Alcaraz, G. Alemanni, J. Allaby, A. Aloisio, M.G. Alviggi, H. Anderhub, V.P. Andreev, F. Anselmo, A. Arefiev, T. Azemoon, T. Aziz, P. Bagnaia, A. Bajo, G. Baksay, L. Baksay, S.V. Baldew, S. Banerjee, Sw. Banerjee, A. Barczyk, R. Barillère, P. Bartalini, M. Basile, N. Batalova, R. Battiston, A. Bay, F. Becattini, U. Becker, F. Behner, L. Bellucci, R. Berbeco, J. Berdugo, P. Berges, B. Bertucci, B.L. Betev, M. Biasini, M. Biglietti, A. Biland, J.J. Blaising, S.C. Blyth, G.J. Bobbink, A. Böhm, L. Boldizsar, B. Borgia, S. Bottai, D. Bourilkov, M. Bourquin, S. Braccini, J.G. Branson, F. Brochu, J.D. Burger, W.J. Burger, X.D. Cai, M. Capell, G. Cara Romeo, G. Carlino, A. Cartacci, J. Casaus, F. Cavallari, N. Cavallo, C. Cecchi, M. Cerrada, M. Chamizo, Y.H. Chang, M. Chemarin, A. Chen, G. Chen, G.M. Chen, H.F. Chen, H.S. Chen, G. Chiefari, L. Cifarelli, F. Cindolo, I. Clare, R. Clare, G. Coignet, N. Colino, S. Costantini, B. de la Cruz, S. Cucciarelli, R. de Asmundis, P. Déglon, J. Debreczeni, A. Degré, K. Dehmelt, K. Deiters, D. della Volpe, E. Delmeire, P. Denes, F. DeNotaristefani, A. De Salvo, M. Diemoz, M. Dierckxsens, C. Dionisi, M. Dittmar, A. Doria, M.T. Dova, D. Duchesneau, M. Duda, B. Echenard, A. Eline, A. El Hage, H. El Mamouni, A. Engler, F.J. Eppling, P. Extermann, M.A. Falagan, S. Falciano, A. Favara, J. Fay, O. Fedin, M. Felcini, T. Ferguson, H. Fesefeldt, E. Fiandrini, J.H. Field, F. Filthaut, P.H. Fisher, W. Fisher, I. Fisk, G. Forconi, K. Freudenreich, C. Furetta, Yu. Galaktionov, S.N. Ganguli, P. Garcia-Abia, M. Gataullin, S. Gentile, S. Giagu, Z.F. Gong, G. Grenier, O. Grimm, M.W. Gruenewald, M. Guida, V.K. Gupta, A. Gurtu, L.J. Gutay, D. Haas, D. Hatzifotiadou, T. Hebbeker, A. Hervé, J. Hirschfelder, H. Hofer, M. Hohlmann, G. Holzner, S.R. Hou, B.N. Jin, P. Jindal, L.W. Jones, P. de Jong, I. Josa-Mutuberría, M. Kaur, M.N. Kienzle-Focacci, J.K. Kim, J. Kirkby, W. Kittel, A. Klimentov, A.C. König, M. Kopal, V. Koutsenko, M. Kräber, R.W. Kraemer, A. Krüger, A. Kunin, P. Ladron de Guevara, I. Laktineh, G. Landi, M. Lebeau, A. Lebedev, P. Lebrun, P. Lecomte, P. Lecoq, P. Le Coultre, J.M. Le Goff, R. Leiste, M. Levtchenko, P. Levtchenko, C. Li, S. Likhoded, C.H. Lin, W.T. Lin, F.L. Linde, L. Lista, Z.A. Liu, W. Lohmann, E. Longo, Y.S. Lu, C. Luci, L. Luminari, W. Lustermann, W.G. Ma, L. Malgeri, A. Malinin, C. Maña, J. Mans, J.P. Martin, F. Marzano, K. Mazumdar, R.R. McNeil, S. Mele, L. Merola, M. Meschini, W.J. Metzger, A. Mihul, H. Milcent, G. Mirabelli, J. Mnich, G.B. Mohanty, G.S. Muanza, A.J.M. Muijs, B. Musicar, M. Musy, S. Nagy, S. Natale, M. Napolitano, F. Nessi-Tedaldi, H. Newman, A. Nisati, T. Novak, H. Nowak, R. Ofierzynski, G. Organtini, I. Pal, C. Palomares, P. Paolucci, R. Paramatti, G. Passaleva, S. Patricelli, T. Paul, M. Pauluzzi, C. Paus, F. Pauss, M. Pedace, S. Pensotti, D. Perret-Gallix, D. Piccolo, F. Pierella, M. Pioppi, P.A. Piroué, E. Pistolesi, V. Plyaskin, M. Pohl, V. Pojidaev, J. Pothier, D. Prokofiev, J. Quartieri, G. Rahal-Callot, M.A. Rahaman, P. Raics, N. Raja, R. Ramelli, P.G. Rancoita, R. Ranieri, A. Raspereza, P. Razis, D. Ren, M. Rescigno, S. Reucroft, S. Riemann, K. Riles, B.P. Roe, L. Romero, A. Rosca, C. Rosemann, C. Rosenbleck, S. Rosier-Lees, S. Roth, J.A. Rubio, G. Ruggiero, H. Rykaczewski, A. Sakharov, S. Saremi, S. Sarkar, J. Salicio, E. Sanchez, C. Schäfer, V. Schegelsky, H. Schopper, D.J. Schotanus, C. Sciacca, L. Servoli, S. Shevchenko, N. Shivarov, V. Shoutko, E. Shumilov, A. Shvorob, D. Son, C. Souga, P. Spillantini, M. Steuer, D.P. Stickland, B. Stoyanov, A. Straessner, K. Sudhakar, G. Sultanov, L.Z. Sun, S. Sushkov, H. Suter, J.D. Swain, Z. Szillasi, X.W. Tang, P. Tarjan, L. Tauscher, L. Taylor, B. Tellili, D. Teyssier, C. Timmermans, Samuel C.C. Ting, S.M. Ting, S.C. Tonwar, J. Tóth, C. Tully, K.L. Tung, J. Ulbricht, E. Valente, R.T. Van de Walle, R. Vasquez, V. Veszpremi, G. Vesztergombi, I. Vetlitsky, D. Vicinanza, G. Viertel, S. Villa, M. Vivargent, S. Vlachos, I. Vodopianov, H. Vogel, H. Vogt, I. Vorobiev, A.A. Vorobyov, M. Wadhwa, Q. Wang, X.L. Wang, Z.M. Wang, M. Weber, S. Wynhoff, L. Xia, Z.Z. Xu, J. Yamamoto, B.Z. Yang, C.G. Yang, H.J. Yang, M. Yang, S.C. Yeh, An. Zalite, Yu. Zalite, Z.P. Zhang, J. Zhao, G.Y. Zhu, R.Y. Zhu, H.L. Zhuang, A. Zichichi, B. Zimmermann, and M. Zöller

Subjects
Nuclear physics, Physics, Nuclear and High Energy Physics, High energy, Particle physics, Photon, Luminosity (scattering theory), Virtuality (philosophy)
Abstract

Exclusive ρ0ρ0 production in two-photon collisions between a quasi-real and a mid-virtuality photon is studied with data collected at LEP at centre-of-mass energies 183

Published
2004

25. Measurement of exclusive ρ+ρ− production in high-Q2 two-photon collisions at LEP

Author

P. Achard, O. Adriani, M. Aguilar-Benitez, J. Alcaraz, G. Alemanni, J. Allaby, A. Aloisio, M.G. Alviggi, H. Anderhub, V.P. Andreev, F. Anselmo, A. Arefiev, T. Azemoon, T. Aziz, P. Bagnaia, A. Bajo, G. Baksay, L. Baksay, S.V. Baldew, S. Banerjee, Sw. Banerjee, A. Barczyk, R. Barillère, P. Bartalini, M. Basile, N. Batalova, R. Battiston, A. Bay, F. Becattini, U. Becker, F. Behner, L. Bellucci, R. Berbeco, J. Berdugo, P. Berges, B. Bertucci, B.L. Betev, M. Biasini, M. Biglietti, A. Biland, J.J. Blaising, S.C. Blyth, G.J. Bobbink, A. Böhm, L. Boldizsar, B. Borgia, S. Bottai, D. Bourilkov, M. Bourquin, S. Braccini, J.G. Branson, F. Brochu, J.D. Burger, W.J. Burger, X.D. Cai, M. Capell, G. Cara Romeo, G. Carlino, A. Cartacci, J. Casaus, F. Cavallari, N. Cavallo, C. Cecchi, M. Cerrada, M. Chamizo, Y.H. Chang, M. Chemarin, A. Chen, G. Chen, G.M. Chen, H.F. Chen, H.S. Chen, G. Chiefari, L. Cifarelli, F. Cindolo, I. Clare, R. Clare, G. Coignet, N. Colino, S. Costantini, B. de la Cruz, S. Cucciarelli, J.A. van Dalen, R. de Asmundis, P. Déglon, J. Debreczeni, A. Degré, K. Dehmelt, K. Deiters, D. della Volpe, E. Delmeire, P. Denes, F. DeNotaristefani, A. De Salvo, M. Diemoz, M. Dierckxsens, C. Dionisi, M. Dittmar, A. Doria, M.T. Dova, D. Duchesneau, M. Duda, B. Echenard, A. Eline, A. El Hage, H. El Mamouni, A. Engler, F.J. Eppling, P. Extermann, M.A. Falagan, S. Falciano, A. Favara, J. Fay, O. Fedin, M. Felcini, T. Ferguson, H. Fesefeldt, E. Fiandrini, J.H. Field, F. Filthaut, P.H. Fisher, W. Fisher, I. Fisk, G. Forconi, K. Freudenreich, C. Furetta, Yu. Galaktionov, S.N. Ganguli, P. Garcia-Abia, M. Gataullin, S. Gentile, S. Giagu, Z.F. Gong, G. Grenier, O. Grimm, M.W. Gruenewald, M. Guida, V.K. Gupta, A. Gurtu, L.J. Gutay, D. Haas, D. Hatzifotiadou, T. Hebbeker, A. Hervé, J. Hirschfelder, H. Hofer, M. Hohlmann, G. Holzner, S.R. Hou, Y. Hu, B.N. Jin, L.W. Jones, P. de Jong, I. Josa-Mutuberría, M. Kaur, M.N. Kienzle-Focacci, J.K. Kim, J. Kirkby, W. Kittel, A. Klimentov, A.C. König, M. Kopal, V. Koutsenko, M. Kräber, R.W. Kraemer, A. Krüger, A. Kunin, P. Ladron de Guevara, I. Laktineh, G. Landi, M. Lebeau, A. Lebedev, P. Lebrun, P. Lecomte, P. Lecoq, P. Le Coultre, J.M. Le Goff, R. Leiste, M. Levtchenko, P. Levtchenko, C. Li, S. Likhoded, C.H. Lin, W.T. Lin, F.L. Linde, L. Lista, Z.A. Liu, W. Lohmann, E. Longo, Y.S. Lu, C. Luci, L. Luminari, W. Lustermann, W.G. Ma, L. Malgeri, A. Malinin, C. Maña, J. Mans, J.P. Martin, F. Marzano, K. Mazumdar, R.R. McNeil, S. Mele, L. Merola, M. Meschini, W.J. Metzger, A. Mihul, H. Milcent, G. Mirabelli, J. Mnich, G.B. Mohanty, G.S. Muanza, A.J.M. Muijs, B. Musicar, M. Musy, S. Nagy, S. Natale, M. Napolitano, F. Nessi-Tedaldi, H. Newman, A. Nisati, T. Novak, H. Nowak, R. Ofierzynski, G. Organtini, I. Pal, C. Palomares, P. Paolucci, R. Paramatti, G. Passaleva, S. Patricelli, T. Paul, M. Pauluzzi, C. Paus, F. Pauss, M. Pedace, S. Pensotti, D. Perret-Gallix, B. Petersen, D. Piccolo, F. Pierella, M. Pioppi, P.A. Piroué, E. Pistolesi, V. Plyaskin, M. Pohl, V. Pojidaev, J. Pothier, D. Prokofiev, J. Quartieri, G. Rahal-Callot, M.A. Rahaman, P. Raics, N. Raja, R. Ramelli, P.G. Rancoita, R. Ranieri, A. Raspereza, P. Razis, D. Ren, M. Rescigno, S. Reucroft, S. Riemann, K. Riles, B.P. Roe, L. Romero, A. Rosca, C. Rosemann, C. Rosenbleck, S. Rosier-Lees, S. Roth, J.A. Rubio, G. Ruggiero, H. Rykaczewski, A. Sakharov, S. Saremi, S. Sarkar, J. Salicio, E. Sanchez, C. Schäfer, V. Schegelsky, H. Schopper, D.J. Schotanus, C. Sciacca, L. Servoli, S. Shevchenko, N. Shivarov, V. Shoutko, E. Shumilov, A. Shvorob, D. Son, C. Souga, P. Spillantini, M. Steuer, D.P. Stickland, B. Stoyanov, A. Straessner, K. Sudhakar, G. Sultanov, L.Z. Sun, S. Sushkov, H. Suter, J.D. Swain, Z. Szillasi, X.W. Tang, P. Tarjan, L. Tauscher, L. Taylor, B. Tellili, D. Teyssier, C. Timmermans, Samuel C.C. Ting, S.M. Ting, S.C. Tonwar, J. Tóth, C. Tully, K.L. Tung, J. Ulbricht, E. Valente, R.T. Van de Walle, R. Vasquez, V. Veszpremi, G. Vesztergombi, I. Vetlitsky, D. Vicinanza, G. Viertel, S. Villa, M. Vivargent, S. Vlachos, I. Vodopianov, H. Vogel, H. Vogt, I. Vorobiev, A.A. Vorobyov, M. Wadhwa, Q. Wang, X.L. Wang, Z.M. Wang, M. Weber, H. Wilkens, S. Wynhoff, L. Xia, Z.Z. Xu, J. Yamamoto, B.Z. Yang, C.G. Yang, H.J. Yang, M. Yang, S.C. Yeh, An. Zalite, Yu. Zalite, Z.P. Zhang, J. Zhao, G.Y. Zhu, R.Y. Zhu, H.L. Zhuang, A. Zichichi, B. Zimmermann, and M. Zöller

Subjects
Physics, Nuclear and High Energy Physics, Particle physics, Luminosity (scattering theory), Photon, 010308 nuclear & particles physics, 7. Clean energy, 01 natural sciences, Nuclear physics, Cross section (geometry), Near threshold, 0103 physical sciences, Production (computer science), 010306 general physics
Abstract

Exclusive ρ+ρ- production in two-photon collisions involving a single highly-virtual photon is studied for the first time with data collected by the L3 experiment at LEP at centre-of-mass energies 89

Published
2004

30. A comparative study of the adsorption of linear alkylbenzene sulfonates and their biodegradation intermediates on marine sediments and organisms

Author

J.A. Rubio, Víctor M. León, M. Sáez, Eduardo González-Mazo, and Abelardo Gómez-Parra

Subjects
Aquatic Science
Abstract

Linear alkylbenzene sulfonate (LAS) and sulfophenylcarboxylate acid (SPC) adsorption on suspended material (sediment and phytoplankton) has been determined in laboratory experiments. The kinetic characterization of the adsorption process allows the time to the steady state to be established, which was 12 and 18 hours for LAS and SPC, respectively. Organic carbon normalized coefficients for sediment and lipid content normalized coefficients for microalgae are similar for each compound, showing a clear trend with its non-polar character. Therefore, the highest coefficients correspond to LAS (8 × 103). A clear tendency was observed for the species of alga: Nannochloropsis gaditana had higher partition coefficientes for both LAS and SPC than Dunaliella salina.

Published
2003

31. Proton anti-proton pair production in two photon collisions at LEP

Author

P. Achard, O. Adriani, M. Aguilar-Benitez, J. Alcaraz, G. Alemanni, J. Allaby, A. Aloisio, M.G. Alviggi, H. Anderhub, V.P. Andreev, F. Anselmo, A. Arefiev, T. Azemoon, T. Aziz, P. Bagnaia, A. Bajo, G. Baksay, L. Baksay, S.V. Baldew, S. Banerjee, Sw. Banerjee, A. Barczyk, R. Barillère, P. Bartalini, M. Basile, N. Batalova, R. Battiston, A. Bay, F. Becattini, U. Becker, F. Behner, L. Bellucci, R. Berbeco, J. Berdugo, P. Berges, B. Bertucci, B.L. Betev, M. Biasini, M. Biglietti, A. Biland, J.J. Blaising, S.C. Blyth, G.J. Bobbink, A. Böhm, L. Boldizsar, B. Borgia, S. Bottai, D. Bourilkov, M. Bourquin, S. Braccini, J.G. Branson, F. Brochu, J.D. Burger, W.J. Burger, X.D. Cai, M. Capell, G. Cara Romeo, G. Carlino, A. Cartacci, J. Casaus, F. Cavallari, N. Cavallo, C. Cecchi, M. Cerrada, M. Chamizo, Y.H. Chang, M. Chemarin, A. Chen, G. Chen, G.M. Chen, H.F. Chen, H.S. Chen, G. Chiefari, L. Cifarelli, F. Cindolo, I. Clare, R. Clare, G. Coignet, N. Colino, S. Costantini, B. de la Cruz, S. Cucciarelli, J.A. van Dalen, R. de Asmundis, P. Déglon, J. Debreczeni, A. Degré, K. Dehmelt, K. Deiters, D. della Volpe, E. Delmeire, P. Denes, F. DeNotaristefani, A. De Salvo, M. Diemoz, M. Dierckxsens, C. Dionisi, M. Dittmar, A. Doria, M.T. Dova, D. Duchesneau, M. Duda, B. Echenard, A. Eline, A. El Hage, H. El Mamouni, A. Engler, F.J. Eppling, P. Extermann, M.A. Falagan, S. Falciano, A. Favara, J. Fay, O. Fedin, M. Felcini, T. Ferguson, H. Fesefeldt, E. Fiandrini, J.H. Field, F. Filthaut, P.H. Fisher, W. Fisher, I. Fisk, G. Forconi, K. Freudenreich, C. Furetta, Yu. Galaktionov, S.N. Ganguli, P. Garcia-Abia, M. Gataullin, S. Gentile, S. Giagu, Z.F. Gong, G. Grenier, O. Grimm, M.W. Gruenewald, M. Guida, R. van Gulik, V.K. Gupta, A. Gurtu, L.J. Gutay, D. Haas, R.Sh. Hakobyan, D. Hatzifotiadou, T. Hebbeker, A. Hervé, J. Hirschfelder, H. Hofer, M. Hohlmann, G. Holzner, S.R. Hou, Y. Hu, B.N. Jin, L.W. Jones, P. de Jong, I. Josa-Mutuberrı́a, D. Käfer, M. Kaur, M.N. Kienzle-Focacci, J.K. Kim, J. Kirkby, W. Kittel, A. Klimentov, A.C. König, M. Kopal, V. Koutsenko, M. Kräber, R.W. Kraemer, A. Krüger, A. Kunin, P. Ladron de Guevara, I. Laktineh, G. Landi, M. Lebeau, A. Lebedev, P. Lebrun, P. Lecomte, P. Lecoq, P. Le Coultre, J.M. Le Goff, R. Leiste, M. Levtchenko, P. Levtchenko, C. Li, S. Likhoded, C.H. Lin, W.T. Lin, F.L. Linde, L. Lista, Z.A. Liu, W. Lohmann, E. Longo, Y.S. Lu, C. Luci, L. Luminari, W. Lustermann, W.G. Ma, L. Malgeri, A. Malinin, C. Maña, J. Mans, J.P. Martin, F. Marzano, K. Mazumdar, R.R. McNeil, S. Mele, L. Merola, M. Meschini, W.J. Metzger, A. Mihul, H. Milcent, G. Mirabelli, J. Mnich, G.B. Mohanty, G.S. Muanza, A.J.M. Muijs, B. Musicar, M. Musy, S. Nagy, S. Natale, M. Napolitano, F. Nessi-Tedaldi, H. Newman, A. Nisati, H. Nowak, R. Ofierzynski, G. Organtini, I. Pal, C. Palomares, P. Paolucci, R. Paramatti, G. Passaleva, S. Patricelli, T. Paul, M. Pauluzzi, C. Paus, F. Pauss, M. Pedace, S. Pensotti, D. Perret-Gallix, B. Petersen, D. Piccolo, F. Pierella, M. Pioppi, P.A. Piroué, E. Pistolesi, V. Plyaskin, M. Pohl, V. Pojidaev, J. Pothier, D. Prokofiev, J. Quartieri, G. Rahal-Callot, M.A. Rahaman, P. Raics, N. Raja, R. Ramelli, P.G. Rancoita, R. Ranieri, A. Raspereza, P. Razis, D. Ren, M. Rescigno, S. Reucroft, S. Riemann, K. Riles, B.P. Roe, L. Romero, A. Rosca, S. Rosier-Lees, S. Roth, C. Rosenbleck, J.A. Rubio, G. Ruggiero, H. Rykaczewski, A. Sakharov, S. Saremi, S. Sarkar, J. Salicio, E. Sanchez, C. Schäfer, V. Schegelsky, H. Schopper, D.J. Schotanus, C. Sciacca, L. Servoli, S. Shevchenko, N. Shivarov, V. Shoutko, E. Shumilov, A. Shvorob, D. Son, C. Souga, P. Spillantini, M. Steuer, D.P. Stickland, B. Stoyanov, A. Straessner, K. Sudhakar, G. Sultanov, L.Z. Sun, S. Sushkov, H. Suter, J.D. Swain, Z. Szillasi, X.W. Tang, P. Tarjan, L. Tauscher, L. Taylor, B. Tellili, D. Teyssier, C. Timmermans, Samuel C.C. Ting, S.M. Ting, S.C. Tonwar, J. Tóth, C. Tully, K.L. Tung, J. Ulbricht, E. Valente, R.T. Van de Walle, R. Vasquez, V. Veszpremi, G. Vesztergombi, I. Vetlitsky, D. Vicinanza, G. Viertel, S. Villa, M. Vivargent, S. Vlachos, I. Vodopianov, H. Vogel, H. Vogt, I. Vorobiev, A.A. Vorobyov, M. Wadhwa, Q. Wang, X.L. Wang, Z.M. Wang, M. Weber, P. Wienemann, H. Wilkens, S. Wynhoff, L. Xia, Z.Z. Xu, J. Yamamoto, B.Z. Yang, C.G. Yang, H.J. Yang, M. Yang, S.C. Yeh, An. Zalite, Yu. Zalite, Z.P. Zhang, J. Zhao, G.Y. Zhu, R.Y. Zhu, H.L. Zhuang, A. Zichichi, B. Zimmermann, M. Zöller, L3 (IHEF, IoP, FNWI), Achard, P., Adriani, O., Aguilar Benitez, M., Alcaraz, J., Alemanni, G., Allaby, J., Aloisio, Alberto, Alviggi, Mariagrazia, Anderhub, H., Andreev, V. P., Anselmo, F., Arefiev, A., Azemoon, T., Aziz, T., Bagnaia, P., Bajo, A., Baksay, G., Baksay, L., Baldew, S. V., Banerjee, S., Barczyk, A., Barillere, R., Bartalini, P., Basile, M., Batalova, N., Battiston, R., Bay, A., Becattini, F., Becker, U., Behner, F., Bellucci, L., Berbeco, R., Berdugo, J., Berges, P., Bertucci, B., Betev, B. L., Biasini, M., Biglietti, M., Biland, A., Blaising, J. J., Blyth, S. C., Bobbink, G. J., Bohm, A., Boldizsar, L., Borgia, B., Bottai, S., Bourilkov, D., Bourquin, M., Braccini, S., Branson, J. G., Brochu, F., Burger, J. D., Burger, W. J., Cai, X. D., Capell, M., Romeo, G. C., Carlino, G., Cartacci, A., Casaus, J., Cavallari, F., Cavallo, N., Cecchi, C., Cerrada, M., Chamizo, M., Chang, Y. H., Chemarin, M., Chen, A., Chen, G., Chen, G. M., Chen, H. F., Chen, H. S., Chiefari, Giovanni, Cifarelli, L., Cindolo, F., C. I., Clare, R., Coignet, G., Colino, N., Costantini, S., B. d., La, Cucciarelli, S., Van, J. A., Asmundis, R. d., Deglon, P., Debreczeni, J., Degre, A., Dehmelt, K., Deiters, K., DELLA VOLPE, Domenico, Delmeire, E., Denes, P., Denotaristefani, F., Salvo, A. D., Diemoz, M., Dierckxsens, M., Dionisi, C., Dittmar, M., Doria, A., Dova, M. T., Duchesneau, D., Duda, M., Echenard, B., Eline, A., Hage, A. E., Mamouni, H. E., Engler, A., Eppling, F. J., Extermann, P., Falagan, M. A., Falciano, S., Favara, A., Fay, J., Fedin, O., Felcini, M., Ferguson, T., Fesefeldt, H., Fiandrini, E., Field, J. H., Filthaut, F., Fisher, P. H., Fisher, W., F. I., Forconi, G., Freudenreich, K., Furetta, C., Galaktionov, Y., Ganguli, S. N., Garcia Abia, P., Gataullin, M., Gentile, S., Giagu, S., Gong, Z. F., Grenier, G., Grimm, O., Gruenewald, M. W., Guida, M., Gulik, R. v., Gupta, V. K., Gurtu, A., Gutay, L. J., Hass, D., Hakobyan, R. S., Hatzifotiadou, D., Hebbeker, T., Herve, A., Hirschfelder, J., Hofer, H., Hohlmann, M., Holzer, G., Sr, H., Hu, Y., Jin, B. N., Jones, L. W., Jong, P. d., J. I., Kafer, D., Kaur, M., Kienzle Focacci, M. N., Kim, J. K., Kirkby, J., Kittel, W., Klimentov, A., Konig, A. C., Kopal, M., K. V., Kraber, M., Kraemer, R. W., Kruger, A., Kunin, A., P. L., De, L. I, L. I, Lebeau, M., Lebedev, A., Lebrun, P., Lecomte, P., Lecoq, P., Coultre, P. L., J. M., Le, Leiste, R., Levtchenko, M., Levtchenko, P., Li, C., Likhoded, S., Lin, C. H., Lin, W. T., Linde, F. L., Lista, L., Liu, Z. A., Lohmann, W., Longo, E., Y. S., Lu, Luci, C., Luminari, L., Lustermann, W., W. G., Ma, Malgeri, L., Malinin, A., Mana, C., Mans, J., Martin, J. P., Marzano, F., Mazumdar, K., Mcneil, R. R., Mele, S., Merola, Leonardo, Meschini, M., Metzger, W. J., Mihul, A., Milcent, H., Mirabelli, G., Mnich, J., Mohanty, G. B., Muanza, G. S., A. J. M., Musicar, B., Musy, M., Nagy, S., Natale, S., Napolitano, Marco, Nessi Tedaldi, F., Newman, H., Nisati, A., Nowak, H., Ofierzynski, R., Organtini, G., P. I., Palomares, C., Paolucci, P., Paramatti, R., Passaleva, G., Patricelli, Sergio, Paul, T., Pauluzzi, M., Paus, C., Pauss, F., Pedace, M., Pensotti, S., Perret Gallix, D., Petersen, B., Piccolo, D., Pierella, F., Pioppi, M., Piroue, P. A., Pistolesi, E., P. V., Pohl, M., Pothier, J., Prokofiev, D., Quartieri, J., Rahal Callot, G., Rahaman, M. A., Raics, P., Raja, N., Ramelli, R., Rancoita, P. G., Ranieri, R., Raspereza, A., Razis, P., Ren, D., Rescigno, M., Reucroft, S., Riemann, S., Riles, K., Roe, B. P., Romero, L., Rosca, A., Rosier Lees, S., Roth, S., Rosenbleck, C., Rubio, J. A., Ruggiero, G., Rykaczewski, H., Sakharov, A., Saremi, S., Sarkar, S., Salicio, J., Sanchez, E., Schafer, C., S. V., Schopper, H., Schotanus, D. J., Sciacca, Crisostomo, Servoli, L., Shevchenko, S., Shivarov, N., Shumilov, E., Shvorob, A., Son, D., Souga, C., Spillantini, P., Steuer, M., Stickland, D. P., Stoyanov, B., Straessner, A., Sudhakar, K., Sultanov, G., Sun, L. Z., Sushkov, S., Suter, H., Swain, J. D., Szillasi, Z., Tang, X. W., Tarjan, P., Tauscher, L., Taylor, L., Tellili, B., Teyssier, D., Timmermans, C., S. C. C., Ting, S. M., Tonwar, S. C., Toth, J., Tully, C., Tung, K. L., Ulbricht, J., Valente, E., Van, R. T., Vasquez, R., V. V., Vesztergombi, G., V. I., Vicinanza, D., Viertel, G., Villa, S., Vivargent, M., Vlachos, S., Vogel, H., Vogt, H., Vorobyov, A. A., Wadhwa, M., Wang, Q., Wang, X. L., Wang, Z. M., Weber, M., Wienemann, P., Wilkens, H., Wynhoff, S., Xia, L., Z. Z., Xu, Yamamoto, J., Yang, B. Z., Yang, C. G., Yang, H. J., Yang, M., Yeh, S. C., Zalite, A., Zalite, Y., Zhang, Z. P., Zhao, J., Zhu, G. Y., Zhu, R. Y., Zhuang, H. L., Zichichi, A., Zimmermann, B., Zoller, M., Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Institut de Physique Nucléaire de Lyon (IPNL), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), CMS, Institut de Physique des 2 Infinis de Lyon (IP2I Lyon), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS), L3, Achard, Pablo, Bourquin, Maurice, Braccini, Saverio, Chamizo Llatas, Maria, Deglon, Patrick, Delmeire, Evelyne, Echenard, Bertrand, Extermann, Pierre, Field, John, Kienzle, Maria-Novella, Malgeri, Luca, Natale, Sonia, Pohl, Martin, and Straessner, Arno

Subjects
Nuclear and High Energy Physics, Particle physics, Proton, Astrophysics::High Energy Astrophysical Phenomena, Nuclear Theory, FOS: Physical sciences, ddc:500.2, 01 natural sciences, High Energy Physics - Experiment, Nuclear physics, High Energy Physics - Experiment (hep-ex), Two-photon excitation microscopy, 0103 physical sciences, l3 experiment, final-states, detector, annihilation, trigger, qcd, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], 010306 general physics, Nuclear Experiment, ANNIHILATION, DETECTOR, L3 EXPERIMENT, TRIGGER, Quantum chromodynamics, Physics, Range (particle radiation), Luminosity (scattering theory), Annihilation, 010308 nuclear & particles physics, High Energy Physics::Phenomenology, FINAL-STATES, QCD, Pair production, Antiproton, High Energy Physics::Experiment, Particle Physics - Experiment
Abstract

The reaction e+e- -> e+e- proton antiproton is studied with the L3 detector at LEP. The analysis is based on data collected at e+e- center-of-mass energies from 183 GeV to 209 GeV, corresponding to an integrated luminosity of 667 pb-1. The gamma gamma -> proton antiproton differential cross section is measured in the range of the two-photon center-of-mass energy from 2.1 GeV to 4.5 GeV. The results are compared to the predictions of the three-quark and quark-diquark models. The reaction e^+e^- -> e^+e^- proton antiproton is studied with the L3 detector at LEP. The analysis is based on data collected at e^+e^- center-of-mass energies from 183 GeV to 209 GeV, corresponding to an integrated luminosity of 667 pb^-1. The gamma gamma -> proton antiproton differential cross section is measured in the range of the two-photon center-of-mass energy from 2.1 GeV to 4.5 GeV. The results are compared to the predictions of the three-quark and quark-diquark models. The reaction e + e − → e + e − p p ̄ is studied with the L3 detector at LEP. The analysis is based on data collected at e + e − center-of-mass energies from 183 GeV to 209 GeV, corresponding to an integrated luminosity of 667 pb −1 . The γγ→ p p ̄ differential cross section is measured in the range of the two-photon center-of-mass energy from 2.1 to 4.5 GeV. The results are compared to the predictions of the three-quark and quark–diquark models.

Published
2003

32. Study of the process at LEP

Author

M. Acciarri, P. Achard, O. Adriani, M. Aguilar-Benitez, J. Alcaraz, G. Alemanni, J. Allaby, A. Aloisio, M.G. Alviggi, G. Ambrosi, H. Anderhub, V.P. Andreev, T. Angelescu, F. Anselmo, A. Arefiev, T. Azemoon, T. Aziz, P. Bagnaia, A. Bajo, L. Baksay, A. Balandras, S.V. Baldew, S. Banerjee, Sw. Banerjee, A. Barczyk, R. Barillère, P. Bartalini, M. Basile, N. Batalova, R. Battiston, A. Bay, F. Becattini, U. Becker, F. Behner, L. Bellucci, R. Berbeco, J. Berdugo, P. Berges, B. Bertucci, B.L. Betev, S. Bhattacharya, M. Biasini, M. Biglietti, A. Biland, J.J. Blaising, S.C. Blyth, G.J. Bobbink, A. Böhm, L. Boldizsar, B. Borgia, D. Bourilkov, M. Bourquin, S. Braccini, J.G. Branson, F. Brochu, A. Buffini, A. Buijs, J.D. Burger, W.J. Burger, X.D. Cai, M. Capell, G. Cara Romeo, G. Carlino, A.M. Cartacci, J. Casaus, G. Castellini, F. Cavallari, N. Cavallo, C. Cecchi, M. Cerrada, F. Cesaroni, M. Chamizo, Y.H. Chang, U.K. Chaturvedi, M. Chemarin, A. Chen, G. Chen, G.M. Chen, H.F. Chen, H.S. Chen, G. Chiefari, L. Cifarelli, F. Cindolo, C. Civinini, I. Clare, R. Clare, G. Coignet, N. Colino, S. Costantini, F. Cotorobai, B. de la Cruz, A. Csilling, S. Cucciarelli, T.S. Dai, J.A. van Dalen, R. D'Alessandro, R. de Asmundis, P. Déglon, A. Degré, K. Deiters, D. della Volpe, E. Delmeire, P. Denes, F. DeNotaristefani, A. De Salvo, M. Diemoz, M. Dierckxsens, D. van Dierendonck, C. Dionisi, M. Dittmar, A. Dominguez, A. Doria, M.T. Dova, D. Duchesneau, D. Dufournaud, P. Duinker, H. El Mamouni, A. Engler, F.J. Eppling, F.C. Erné, A. Ewers, P. Extermann, M. Fabre, M.A. Falagan, S. Falciano, A. Favara, J. Fay, O. Fedin, M. Felcini, T. Ferguson, H. Fesefeldt, E. Fiandrini, J.H. Field, F. Filthaut, P.H. Fisher, I. Fisk, G. Forconi, K. Freudenreich, C. Furetta, Yu. Galaktionov, S.N. Ganguli, P. Garcia-Abia, M. Gataullin, S.S. Gau, S. Gentile, N. Gheordanescu, S. Giagu, Z.F. Gong, G. Grenier, O. Grimm, M.W. Gruenewald, M. Guida, R. van Gulik, V.K. Gupta, A. Gurtu, L.J. Gutay, D. Haas, A. Hasan, D. Hatzifotiadou, T. Hebbeker, A. Hervé, P. Hidas, J. Hirschfelder, H. Hofer, G. Holzner, H. Hoorani, S.R. Hou, Y. Hu, I. Iashvili, B.N. Jin, L.W. Jones, P. de Jong, I. Josa-Mutuberrı́a, R.A. Khan, D. Käfer, M. Kaur, M.N. Kienzle-Focacci, D. Kim, J.K. Kim, J. Kirkby, D. Kiss, W. Kittel, A. Klimentov, A.C. König, M. Kopal, A. Kopp, V. Koutsenko, M. Kräber, R.W. Kraemer, W. Krenz, A. Krüger, A. Kunin, P. Ladron de Guevara, I. Laktineh, G. Landi, M. Lebeau, A. Lebedev, P. Lebrun, P. Lecomte, P. Lecoq, P. Le Coultre, H.J. Lee, J.M. Le Goff, R. Leiste, P. Levtchenko, C. Li, S. Likhoded, C.H. Lin, W.T. Lin, F.L. Linde, L. Lista, Z.A. Liu, W. Lohmann, E. Longo, Y.S. Lu, K. Lübelsmeyer, C. Luci, D. Luckey, L. Lugnier, L. Luminari, W. Lustermann, W.G. Ma, M. Maity, L. Malgeri, A. Malinin, C. Maña, D. Mangeol, J. Mans, G. Marian, J.P. Martin, F. Marzano, K. Mazumdar, R.R. McNeil, S. Mele, L. Merola, M. Meschini, W.J. Metzger, M. von der Mey, A. Mihul, H. Milcent, G. Mirabelli, J. Mnich, G.B. Mohanty, T. Moulik, G.S. Muanza, A.J.M. Muijs, B. Musicar, M. Musy, M. Napolitano, F. Nessi-Tedaldi, H. Newman, T. Niessen, A. Nisati, H. Nowak, R. Ofierzynski, G. Organtini, A. Oulianov, C. Palomares, D. Pandoulas, S. Paoletti, P. Paolucci, R. Paramatti, H.K. Park, I.H. Park, G. Passaleva, S. Patricelli, T. Paul, M. Pauluzzi, C. Paus, F. Pauss, M. Pedace, S. Pensotti, D. Perret-Gallix, B. Petersen, D. Piccolo, F. Pierella, M. Pieri, P.A. Piroué, E. Pistolesi, V. Plyaskin, M. Pohl, V. Pojidaev, H. Postema, J. Pothier, D.O. Prokofiev, D. Prokofiev, J. Quartieri, G. Rahal-Callot, M.A. Rahaman, P. Raics, N. Raja, R. Ramelli, P.G. Rancoita, R. Ranieri, A. Raspereza, G. Raven, P. Razis, D. Ren, M. Rescigno, S. Reucroft, S. Riemann, K. Riles, J. Rodin, B.P. Roe, L. Romero, A. Rosca, S. Rosier-Lees, S. Roth, C. Rosenbleck, B. Roux, J.A. Rubio, G. Ruggiero, H. Rykaczewski, S. Saremi, S. Sarkar, J. Salicio, E. Sanchez, M.P. Sanders, C. Schäfer, V. Schegelsky, S. Schmidt-Kaerst, D. Schmitz, H. Schopper, D.J. Schotanus, G. Schwering, C. Sciacca, A. Seganti, L. Servoli, S. Shevchenko, N. Shivarov, V. Shoutko, E. Shumilov, A. Shvorob, T. Siedenburg, D. Son, B. Smith, P. Spillantini, M. Steuer, D.P. Stickland, A. Stone, B. Stoyanov, A. Straessner, K. Sudhakar, G. Sultanov, L.Z. Sun, S. Sushkov, H. Suter, J.D. Swain, Z. Szillasi, T. Sztaricskai, X.W. Tang, L. Tauscher, L. Taylor, B. Tellili, D. Teyssier, C. Timmermans, Samuel C.C. Ting, S.M. Ting, S.C. Tonwar, J. Tóth, C. Tully, K.L. Tung, Y. Uchida, J. Ulbricht, E. Valente, G. Vesztergombi, I. Vetlitsky, D. Vicinanza, G. Viertel, S. Villa, M. Vivargent, S. Vlachos, I. Vodopianov, H. Vogel, H. Vogt, I. Vorobiev, A.A. Vorobyov, A. Vorvolakos, M. Wadhwa, W. Wallraff, M. Wang, X.L. Wang, Z.M. Wang, A. Weber, M. Weber, P. Wienemann, H. Wilkens, S.X. Wu, S. Wynhoff, L. Xia, Z.Z. Xu, J. Yamamoto, B.Z. Yang, C.G. Yang, H.J. Yang, M. Yang, J.B. Ye, S.C. Yeh, An. Zalite, Yu. Zalite, Z.P. Zhang, G.Y. Zhu, R.Y. Zhu, A. Zichichi, G. Zilizi, B. Zimmermann, and M. Zöller

Subjects
Physics, Nuclear and High Energy Physics, Gauge boson, Particle physics, Photon, 010308 nuclear & particles physics, Electron–positron annihilation, 01 natural sciences, 7. Clean energy, Standard Model, Nuclear physics, Quartic function, 0103 physical sciences, High Energy Physics::Experiment, 010306 general physics
Abstract

The process e + e − → Z γγ→ q q γγ is studied in 0.5 fb−1 of data collected with the L3 detector at centre-of-mass energies between 130.1 GeV and 201.7 GeV. Cross sections are measured and found to be consistent with the Standard Model expectations. The study of the least energetic photon constrains the quartic gauge boson couplings to −0.008 GeV−2

Published
2001

33. Material de extricación e inmovilización en centros de salud. Apoyo especializado directo a los equipos de atención primaria: los servicios de emergencia-061

Author

J.A. Rubio García, JA Cordero Torres, J.A. Ríos Rivera, S. Galván Pérez, R. Lopo Polo, and J. Arroyo Fernández de Aguilar

Subjects
Community and Home Care, Gastroenterology
Abstract

El objeto de este trabajo es hacer una revision sobre los diferentes metodos de extricacion e inmovilizacion de un paciente en un accidente de trafico y cual de estos, desde nuestro punto de vista, deberia formar parte de la dotacion de las ambulancias de soporte vital basico de atencion primaria para una mejor atencion en aquellos puntos en los que las unidades medicalizadas pueden demorarse por la distancia, o incluso por la necesidad de transferir a los pacientes a dichas unidades en un punto intermedio.

Published
2001

34. Inclusive Σ+ and Σ0 production in hadronic Z decays

Author

M. Acciarri, P. Achard, O. Adriani, M. Aguilar-Benitez, J. Alcaraz, G. Alemanni, J. Allaby, A. Aloisio, M.G. Alviggi, G. Ambrosi, H. Anderhub, V.P. Andreev, T. Angelescu, F. Anselmo, A. Arefiev, T. Azemoon, T. Aziz, P. Bagnaia, A. Bajo, L. Baksay, A. Balandras, S. Banerjee, Sw. Banerjee, A. Barczyk, R. Barillère, L. Barone, P. Bartalini, M. Basile, R. Battiston, A. Bay, F. Becattini, U. Becker, F. Behner, L. Bellucci, R. Berbeco, J. Berdugo, P. Berges, B. Bertucci, B.L. Betev, S. Bhattacharya, M. Biasini, A. Biland, J.J. Blaising, S.C. Blyth, G.J. Bobbink, A. Böhm, L. Boldizsar, B. Borgia, D. Bourilkov, M. Bourquin, S. Braccini, J.G. Branson, V. Brigljevic, F. Brochu, A. Buffini, A. Buijs, J.D. Burger, W.J. Burger, X.D. Cai, M. Campanelli, M. Capell, G. Cara Romeo, G. Carlino, A.M. Cartacci, J. Casaus, G. Castellini, F. Cavallari, N. Cavallo, C. Cecchi, M. Cerrada, F. Cesaroni, M. Chamizo, Y.H. Chang, U.K. Chaturvedi, M. Chemarin, A. Chen, G. Chen, G.M. Chen, H.F. Chen, H.S. Chen, G. Chiefari, L. Cifarelli, F. Cindolo, C. Civinini, I. Clare, R. Clare, G. Coignet, A.P. Colijn, N. Colino, S. Costantini, F. Cotorobai, B. Cozzoni, B. de la Cruz, A. Csilling, S. Cucciarelli, T.S. Dai, J.A. van Dalen, R. D'Alessandro, R. de Asmundis, P. Déglon, A. Degré, K. Deiters, D. della Volpe, P. Denes, F. DeNotaristefani, A. De Salvo, M. Diemoz, D. van Dierendonck, F. Di Lodovico, C. Dionisi, M. Dittmar, A. Dominguez, A. Doria, M.T. Dova, D. Duchesneau, D. Dufournaud, P. Duinker, I. Duran, H. El Mamouni, A. Engler, F.J. Eppling, F.C. Erné, P. Extermann, M. Fabre, R. Faccini, M.A. Falagan, S. Falciano, A. Favara, J. Fay, O. Fedin, M. Felcini, T. Ferguson, F. Ferroni, H. Fesefeldt, E. Fiandrini, J.H. Field, F. Filthaut, P.H. Fisher, I. Fisk, G. Forconi, L. Fredj, K. Freudenreich, C. Furetta, Yu. Galaktionov, S.N. Ganguli, P. Garcia-Abia, M. Gataullin, S.S. Gau, S. Gentile, N. Gheordanescu, S. Giagu, Z.F. Gong, G. Grenier, O. Grimm, M.W. Gruenewald, M. Guida, R. van Gulik, V.K. Gupta, A. Gurtu, L.J. Gutay, D. Haas, A. Hasan, D. Hatzifotiadou, T. Hebbeker, A. Hervé, P. Hidas, J. Hirschfelder, H. Hofer, G. Holzner, H. Hoorani, S.R. Hou, Y. Hu, I. Iashvili, B.N. Jin, L.W. Jones, P. de Jong, I. Josa-Mutuberrı́a, R.A. Khan, M. Kaur, M.N. Kienzle-Focacci, D. Kim, J.K. Kim, J. Kirkby, D. Kiss, W. Kittel, A. Klimentov, A.C. König, A. Kopp, V. Koutsenko, M. Kräber, R.W. Kraemer, W. Krenz, A. Krüger, A. Kunin, P. Ladron de Guevara, I. Laktineh, G. Landi, K. Lassila-Perini, M. Lebeau, A. Lebedev, P. Lebrun, P. Lecomte, P. Lecoq, P. Le Coultre, H.J. Lee, J.M. Le Goff, R. Leiste, E. Leonardi, P. Levtchenko, C. Li, S. Likhoded, C.H. Lin, W.T. Lin, F.L. Linde, L. Lista, Z.A. Liu, W. Lohmann, E. Longo, Y.S. Lu, K. Lübelsmeyer, C. Luci, D. Luckey, L. Lugnier, L. Luminari, W. Lustermann, W.G. Ma, M. Maity, L. Malgeri, A. Malinin, C. Maña, D. Mangeol, J. Mans, P. Marchesini, G. Marian, J.P. Martin, F. Marzano, G.G.G. Massaro, K. Mazumdar, R.R. McNeil, S. Mele, L. Merola, M. Meschini, W.J. Metzger, M. von der Mey, A. Mihul, H. Milcent, G. Mirabelli, J. Mnich, G.B. Mohanty, P. Molnar, B. Monteleoni, T. Moulik, G.S. Muanza, F. Muheim, A.J.M. Muijs, M. Musy, M. Napolitano, F. Nessi-Tedaldi, H. Newman, T. Niessen, A. Nisati, H. Nowak, G. Organtini, A. Oulianov, C. Palomares, D. Pandoulas, S. Paoletti, P. Paolucci, R. Paramatti, H.K. Park, I.H. Park, G. Pascale, G. Passaleva, S. Patricelli, T. Paul, M. Pauluzzi, C. Paus, F. Pauss, M. Pedace, S. Pensotti, D. Perret-Gallix, B. Petersen, D. Piccolo, F. Pierella, M. Pieri, P.A. Piroué, E. Pistolesi, V. Plyaskin, M. Pohl, V. Pojidaev, H. Postema, J. Pothier, N. Produit, D.O. Prokofiev, D. Prokofiev, J. Quartieri, G. Rahal-Callot, M.A. Rahaman, P. Raics, N. Raja, R. Ramelli, P.G. Rancoita, A. Raspereza, G. Raven, P. Razis, D. Ren, M. Rescigno, S. Reucroft, T. van Rhee, S. Riemann, K. Riles, A. Robohm, J. Rodin, B.P. Roe, L. Romero, A. Rosca, S. Rosier-Lees, J.A. Rubio, D. Ruschmeier, H. Rykaczewski, S. Saremi, S. Sarkar, J. Salicio, E. Sanchez, M.P. Sanders, M.E. Sarakinos, C. Schäfer, V. Schegelsky, S. Schmidt-Kaerst, D. Schmitz, H. Schopper, D.J. Schotanus, G. Schwering, C. Sciacca, D. Sciarrino, A. Seganti, L. Servoli, S. Shevchenko, N. Shivarov, V. Shoutko, E. Shumilov, A. Shvorob, T. Siedenburg, D. Son, B. Smith, P. Spillantini, M. Steuer, D.P. Stickland, A. Stone, H. Stone, B. Stoyanov, A. Straessner, K. Sudhakar, G. Sultanov, L.Z. Sun, H. Suter, J.D. Swain, Z. Szillasi, T. Sztaricskai, X.W. Tang, L. Tauscher, L. Taylor, B. Tellili, C. Timmermans, Samuel C.C. Ting, S.M. Ting, S.C. Tonwar, J. Tóth, C. Tully, K.L. Tung, Y. Uchida, J. Ulbricht, E. Valente, G. Vesztergombi, I. Vetlitsky, D. Vicinanza, G. Viertel, S. Villa, M. Vivargent, S. Vlachos, I. Vodopianov, H. Vogel, H. Vogt, I. Vorobiev, A.A. Vorobyov, A. Vorvolakos, M. Wadhwa, W. Wallraff, M. Wang, X.L. Wang, Z.M. Wang, A. Weber, M. Weber, P. Wienemann, H. Wilkens, S.X. Wu, S. Wynhoff, L. Xia, Z.Z. Xu, J. Yamamoto, B.Z. Yang, C.G. Yang, H.J. Yang, M. Yang, J.B. Ye, S.C. Yeh, An. Zalite, Yu. Zalite, Z.P. Zhang, G.Y. Zhu, R.Y. Zhu, A. Zichichi, G. Zilizi, M. Zöller, Achard, Pablo, Ambrosi, Giovanni, Bourquin, Maurice, Braccini, Saverio, Chamizo Llatas, Maria, Deglon, Patrick, Delmeire, Evelyne, Extermann, Pierre, Field, John, Kienzle, Maria-Novella, Muheim, Franz, Pohl, Martin, Produit, Nicolas, and Sciarrino, Deborah

Subjects
Nuclear and High Energy Physics, Particle physics, Electron–positron annihilation, L3 detector at LEP, Nuclear Theory, Hadron, ddc:500.2, Lambda, 01 natural sciences, Sigma baryon, 0103 physical sciences, Nuclear Experiment, 010306 general physics, Ciencias Exactas, Physics, 010308 nuclear & particles physics, High Energy Physics::Phenomenology, Física, Sigma, Hadronization, Baryon, production in hadronic Z decays, High Energy Physics::Experiment, Production (computer science), Atomic physics, baryons
Abstract

We report on measurements of the inclusive production rate of Σ+ and Σ0 baryons in hadronic Z decays collected with the L3 detector at LEP. The Σ+ baryons are detected through the decay Σ+→pπ0, while the Σ0 baryons are detected via the decay mode Σ0→Λγ. The average numbers of Σ+ and Σ0 per hadronic Z decay are measured to be: NΣ++NΣ̄+=0.114±0.011stat±0.009syst NΣ0+NΣ̄0=0.095±0.015stat±0.013syst. These rates are found to be higher than the predictions from Monte Carlo hadronization models and analytical parameterizations of strange baryon production., Facultad de Ciencias Exactas

Published
2000

35. Measurement of hadron and lepton-pair production at GeV at LEP

Author

M. Acciarri, P. Achard, O. Adriani, M. Aguilar-Benitez, J. Alcaraz, G. Alemanni, J. Allaby, A. Aloisio, M.G. Alviggi, G. Ambrosi, H. Anderhub, V.P. Andreev, T. Angelescu, F. Anselmo, A. Arefiev, T. Azemoon, T. Aziz, P. Bagnaia, L. Baksay, A. Balandras, R.C. Ball, S. Banerjee, Sw. Banerjee, A. Barczyk, R. Barillère, L. Barone, P. Bartalini, M. Basile, R. Battiston, A. Bay, F. Becattini, U. Becker, F. Behner, L. Bellucci, J. Berdugo, P. Berges, B. Bertucci, B.L. Betev, S. Bhattacharya, M. Biasini, A. Biland, J.J. Blaising, S.C. Blyth, G.J. Bobbink, A. Böhm, L. Boldizsar, B. Borgia, D. Bourilkov, M. Bourquin, S. Braccini, J.G. Branson, V. Brigljevic, F. Brochu, A. Buffini, A. Buijs, J.D. Burger, W.J. Burger, A. Button, X.D. Cai, M. Campanelli, M. Capell, G. Cara Romeo, G. Carlino, A.M. Cartacci, J. Casaus, G. Castellini, F. Cavallari, N. Cavallo, C. Cecchi, M. Cerrada, F. Cesaroni, M. Chamizo, Y.H. Chang, U.K. Chaturvedi, M. Chemarin, A. Chen, G. Chen, G.M. Chen, H.F. Chen, H.S. Chen, G. Chiefari, L. Cifarelli, F. Cindolo, C. Civinini, I. Clare, R. Clare, G. Coignet, A.P. Colijn, N. Colino, S. Costantini, F. Cotorobai, B. Cozzoni, B. de la Cruz, A. Csilling, S. Cucciarelli, T.S. Dai, J.A. van Dalen, R. D'Alessandro, R. de Asmundis, P. Déglon, A. Degré, K. Deiters, D. della Volpe, P. Denes, F. DeNotaristefani, A. De Salvo, M. Diemoz, D. van Dierendonck, F. Di Lodovico, C. Dionisi, M. Dittmar, A. Dominguez, A. Doria, M.T. Dova, D. Duchesneau, D. Dufournaud, P. Duinker, I. Duran, H. El Mamouni, A. Engler, F.J. Eppling, F.C. Erné, P. Extermann, M. Fabre, R. Faccini, M.A. Falagan, S. Falciano, A. Favara, J. Fay, O. Fedin, M. Felcini, T. Ferguson, F. Ferroni, H. Fesefeldt, E. Fiandrini, J.H. Field, F. Filthaut, P.H. Fisher, I. Fisk, G. Forconi, L. Fredj, K. Freudenreich, C. Furetta, Yu. Galaktionov, S.N. Ganguli, P. Garcia-Abia, M. Gataullin, S.S. Gau, S. Gentile, N. Gheordanescu, S. Giagu, Z.F. Gong, G. Grenier, O. Grimm, M.W. Gruenewald, M. Guida, R. van Gulik, V.K. Gupta, A. Gurtu, L.J. Gutay, D. Haas, A. Hasan, D. Hatzifotiadou, T. Hebbeker, A. Hervé, P. Hidas, J. Hirschfelder, H. Hofer, G. Holzner, H. Hoorani, S.R. Hou, I. Iashvili, B.N. Jin, L.W. Jones, P. de Jong, I. Josa-Mutuberrı́a, R.A. Khan, M. Kaur, M.N. Kienzle-Focacci, D. Kim, D.H. Kim, J.K. Kim, S.C. Kim, J. Kirkby, D. Kiss, W. Kittel, A. Klimentov, A.C. König, A. Kopp, V. Koutsenko, M. Kräber, R.W. Kraemer, W. Krenz, A. Krüger, A. Kunin, P. Ladron de Guevara, I. Laktineh, G. Landi, K. Lassila-Perini, M. Lebeau, A. Lebedev, P. Lebrun, P. Lecomte, P. Lecoq, P. Le Coultre, H.J. Lee, J.M. Le Goff, R. Leiste, E. Leonardi, P. Levtchenko, C. Li, S. Likhoded, C.H. Lin, W.T. Lin, F.L. Linde, L. Lista, Z.A. Liu, W. Lohmann, E. Longo, Y.S. Lu, K. Lübelsmeyer, C. Luci, D. Luckey, L. Lugnier, L. Luminari, W. Lustermann, W.G. Ma, M. Maity, L. Malgeri, A. Malinin, C. Maña, D. Mangeol, P. Marchesini, G. Marian, J.P. Martin, F. Marzano, G.G.G. Massaro, K. Mazumdar, R.R. McNeil, S. Mele, L. Merola, M. Meschini, W.J. Metzger, M. von der Mey, A. Mihul, H. Milcent, G. Mirabelli, J. Mnich, G.B. Mohanty, P. Molnar, B. Monteleoni, T. Moulik, G.S. Muanza, F. Muheim, A.J.M. Muijs, M. Musy, M. Napolitano, F. Nessi-Tedaldi, H. Newman, T. Niessen, A. Nisati, H. Nowak, Y.D. Oh, G. Organtini, A. Oulianov, C. Palomares, D. Pandoulas, S. Paoletti, P. Paolucci, R. Paramatti, H.K. Park, I.H. Park, G. Pascale, G. Passaleva, S. Patricelli, T. Paul, M. Pauluzzi, C. Paus, F. Pauss, M. Pedace, S. Pensotti, D. Perret-Gallix, B. Petersen, D. Piccolo, F. Pierella, M. Pieri, P.A. Piroué, E. Pistolesi, V. Plyaskin, M. Pohl, V. Pojidaev, H. Postema, J. Pothier, N. Produit, D.O. Prokofiev, D. Prokofiev, J. Quartieri, G. Rahal-Callot, M.A. Rahaman, P. Raics, N. Raja, R. Ramelli, P.G. Rancoita, A. Raspereza, G. Raven, P. Razis, D. Ren, M. Rescigno, S. Reucroft, T. van Rhee, S. Riemann, K. Riles, A. Robohm, J. Rodin, B.P. Roe, L. Romero, A. Rosca, S. Rosier-Lees, J.A. Rubio, D. Ruschmeier, H. Rykaczewski, S. Saremi, S. Sarkar, J. Salicio, E. Sanchez, M.P. Sanders, M.E. Sarakinos, C. Schäfer, V. Schegelsky, S. Schmidt-Kaerst, D. Schmitz, H. Schopper, D.J. Schotanus, G. Schwering, C. Sciacca, D. Sciarrino, A. Seganti, L. Servoli, S. Shevchenko, N. Shivarov, V. Shoutko, E. Shumilov, A. Shvorob, T. Siedenburg, D. Son, B. Smith, P. Spillantini, M. Steuer, D.P. Stickland, A. Stone, H. Stone, B. Stoyanov, A. Straessner, K. Sudhakar, G. Sultanov, L.Z. Sun, H. Suter, J.D. Swain, Z. Szillasi, T. Sztaricskai, X.W. Tang, L. Tauscher, L. Taylor, C. Timmermans, Samuel C.C. Ting, S.M. Ting, S.C. Tonwar, J. Tóth, C. Tully, K.L. Tung, Y. Uchida, J. Ulbricht, E. Valente, G. Vesztergombi, I. Vetlitsky, D. Vicinanza, G. Viertel, S. Villa, M. Vivargent, S. Vlachos, I. Vodopianov, H. Vogel, H. Vogt, I. Vorobiev, A.A. Vorobyov, A. Vorvolakos, M. Wadhwa, W. Wallraff, M. Wang, X.L. Wang, Z.M. Wang, A. Weber, M. Weber, P. Wienemann, H. Wilkens, S.X. Wu, S. Wynhoff, L. Xia, Z.Z. Xu, B.Z. Yang, C.G. Yang, H.J. Yang, M. Yang, J.B. Ye, S.C. Yeh, An. Zalite, Yu. Zalite, Z.P. Zhang, G.Y. Zhu, R.Y. Zhu, A. Zichichi, G. Zilizi, and M. Zöller

Subjects
Physics, Nuclear and High Energy Physics, Particle physics, Pair production, 010308 nuclear & particles physics, 0103 physical sciences, Hadron, 010306 general physics, 01 natural sciences, Lepton
Published
2000

36. Search for scalar leptons in e+e− collisions at

Author

M. Acciarri, P. Achard, O. Adriani, M. Aguilar-Benitez, J. Alcaraz, G. Alemanni, J. Allaby, A. Aloisio, M.G. Alviggi, G. Ambrosi, H. Anderhub, V.P. Andreev, T. Angelescu, F. Anselmo, A. Arefiev, T. Azemoon, T. Aziz, P. Bagnaia, L. Baksay, A. Balandras, R.C. Ball, S. Banerjee, Sw. Banerjee, A. Barczyk, R. Barillère, L. Barone, P. Bartalini, M. Basile, R. Battiston, A. Bay, F. Becattini, U. Becker, F. Behner, L. Bellucci, J. Berdugo, P. Berges, B. Bertucci, B.L. Betev, S. Bhattacharya, M. Biasini, A. Biland, J.J. Blaising, S.C. Blyth, G.J. Bobbink, A. Böhm, L. Boldizsar, B. Borgia, D. Bourilkov, M. Bourquin, S. Braccini, J.G. Branson, V. Brigljevic, F. Brochu, A. Buffini, A. Buijs, J.D. Burger, W.J. Burger, J. Busenitz, A. Button, X.D. Cai, M. Campanelli, M. Capell, G. Cara Romeo, G. Carlino, A.M. Cartacci, J. Casaus, G. Castellini, F. Cavallari, N. Cavallo, C. Cecchi, M. Cerrada, F. Cesaroni, M. Chamizo, Y.H. Chang, U.K. Chaturvedi, M. Chemarin, A. Chen, G. Chen, G.M. Chen, H.F. Chen, H.S. Chen, X. Chereau, G. Chiefari, L. Cifarelli, F. Cindolo, C. Civinini, I. Clare, R. Clare, G. Coignet, A.P. Colijn, N. Colino, S. Costantini, F. Cotorobai, B. Cozzoni, B. de la Cruz, A. Csilling, S. Cucciarelli, T.S. Dai, J.A. van Dalen, R. D'Alessandro, R. de Asmundis, P. Déglon, A. Degré, K. Deiters, D. della Volpe, P. Denes, F. DeNotaristefani, A. De Salvo, M. Diemoz, D. van Dierendonck, F. Di Lodovico, C. Dionisi, M. Dittmar, A. Dominguez, A. Doria, M.T. Dova, D. Duchesneau, D. Dufournaud, P. Duinker, I. Duran, H. El Mamouni, A. Engler, F.J. Eppling, F.C. Erné, P. Extermann, M. Fabre, R. Faccini, M.A. Falagan, S. Falciano, A. Favara, J. Fay, O. Fedin, M. Felcini, T. Ferguson, F. Ferroni, H. Fesefeldt, E. Fiandrini, J.H. Field, F. Filthaut, P.H. Fisher, I. Fisk, G. Forconi, L. Fredj, K. Freudenreich, C. Furetta, Yu. Galaktionov, S.N. Ganguli, P. Garcia-Abia, M. Gataullin, S.S. Gau, S. Gentile, N. Gheordanescu, S. Giagu, Z.F. Gong, G. Grenier, O. Grimm, M.W. Gruenewald, M. Guida, R. van Gulik, V.K. Gupta, A. Gurtu, L.J. Gutay, D. Haas, A. Hasan, D. Hatzifotiadou, T. Hebbeker, A. Hervé, P. Hidas, J. Hirschfelder, H. Hofer, G. Holzner, H. Hoorani, S.R. Hou, I. Iashvili, B.N. Jin, L.W. Jones, P. de Jong, I. Josa-Mutuberrı́a, R.A. Khan, D. Kamrad, M. Kaur, M.N. Kienzle-Focacci, D. Kim, D.H. Kim, J.K. Kim, S.C. Kim, J. Kirkby, D. Kiss, W. Kittel, A. Klimentov, A.C. König, A. Kopp, I. Korolko, V. Koutsenko, M. Kräber, R.W. Kraemer, W. Krenz, A. Kunin, P. Ladron de Guevara, I. Laktineh, G. Landi, K. Lassila-Perini, P. Laurikainen, A. Lavorato, M. Lebeau, A. Lebedev, P. Lebrun, P. Lecomte, P. Lecoq, P. Le Coultre, H.J. Lee, J.M. Le Goff, R. Leiste, E. Leonardi, P. Levtchenko, C. Li, C.H. Lin, W.T. Lin, F.L. Linde, L. Lista, Z.A. Liu, W. Lohmann, E. Longo, Y.S. Lu, K. Lübelsmeyer, C. Luci, D. Luckey, L. Lugnier, L. Luminari, W. Lustermann, W.G. Ma, M. Maity, L. Malgeri, A. Malinin, C. Maña, D. Mangeol, P. Marchesini, G. Marian, J.P. Martin, F. Marzano, G.G.G. Massaro, K. Mazumdar, R.R. McNeil, S. Mele, L. Merola, M. Meschini, W.J. Metzger, M. von der Mey, A. Mihul, H. Milcent, G. Mirabelli, J. Mnich, G.B. Mohanty, P. Molnar, B. Monteleoni, T. Moulik, G.S. Muanza, F. Muheim, A.J.M. Muijs, M. Musy, M. Napolitano, F. Nessi-Tedaldi, H. Newman, T. Niessen, A. Nisati, H. Nowak, Y.D. Oh, G. Organtini, R. Ostonen, C. Palomares, D. Pandoulas, S. Paoletti, P. Paolucci, R. Paramatti, H.K. Park, I.H. Park, G. Pascale, G. Passaleva, S. Patricelli, T. Paul, M. Pauluzzi, C. Paus, F. Pauss, D. Peach, M. Pedace, S. Pensotti, D. Perret-Gallix, B. Petersen, D. Piccolo, F. Pierella, M. Pieri, P.A. Piroué, E. Pistolesi, V. Plyaskin, M. Pohl, V. Pojidaev, H. Postema, J. Pothier, N. Produit, D.O. Prokofiev, D. Prokofiev, J. Quartieri, G. Rahal-Callot, M.A. Rahaman, P. Raics, N. Raja, R. Ramelli, P.G. Rancoita, G. Raven, P. Razis, D. Ren, M. Rescigno, S. Reucroft, T. van Rhee, S. Riemann, K. Riles, A. Robohm, J. Rodin, B.P. Roe, L. Romero, A. Rosca, S. Rosier-Lees, J.A. Rubio, D. Ruschmeier, H. Rykaczewski, S. Saremi, S. Sarkar, J. Salicio, E. Sanchez, M.P. Sanders, M.E. Sarakinos, C. Schäfer, V. Schegelsky, S. Schmidt-Kaerst, D. Schmitz, H. Schopper, D.J. Schotanus, G. Schwering, C. Sciacca, D. Sciarrino, A. Seganti, L. Servoli, S. Shevchenko, N. Shivarov, V. Shoutko, E. Shumilov, A. Shvorob, T. Siedenburg, D. Son, B. Smith, P. Spillantini, M. Steuer, D.P. Stickland, A. Stone, H. Stone, B. Stoyanov, A. Straessner, K. Sudhakar, G. Sultanov, L.Z. Sun, H. Suter, J.D. Swain, Z. Szillasi, T. Sztaricskai, X.W. Tang, L. Tauscher, L. Taylor, C. Timmermans, Samuel C.C. Ting, S.M. Ting, S.C. Tonwar, J. Tóth, C. Tully, K.L. Tung, Y. Uchida, J. Ulbricht, E. Valente, G. Vesztergombi, I. Vetlitsky, D. Vicinanza, G. Viertel, S. Villa, M. Vivargent, S. Vlachos, I. Vodopianov, H. Vogel, H. Vogt, I. Vorobiev, A.A. Vorobyov, A. Vorvolakos, M. Wadhwa, W. Wallraff, M. Wang, X.L. Wang, Z.M. Wang, A. Weber, M. Weber, P. Wienemann, H. Wilkens, S.X. Wu, S. Wynhoff, L. Xia, Z.Z. Xu, B.Z. Yang, C.G. Yang, H.J. Yang, M. Yang, J.B. Ye, S.C. Yeh, An. Zalite, Yu. Zalite, Z.P. Zhang, G.Y. Zhu, R.Y. Zhu, A. Zichichi, F. Ziegler, G. Zilizi, and M. Zöller

Subjects
Physics, Nuclear and High Energy Physics, Particle physics, 010308 nuclear & particles physics, Electron–positron annihilation, High Energy Physics::Phenomenology, Scalar (mathematics), Gaugino, Electron, Parameter space, 01 natural sciences, 0103 physical sciences, Bibliography, High Energy Physics::Experiment, 010306 general physics, Minimal Supersymmetric Standard Model, Lepton
Abstract

We report the result of a search for scalar leptons in $\rm e^+e^-$, collisions at 189 GeV centre-of-mass energy at LEP. No evidence for such particles is found in a data sample of 176 pb$^{-1}$. Improved upper limits are set on the production cross sections for these new particles. New exclusion contours in the parameter space of the Minimal Supersymmetric Standard Model are derived, as well as new lower limits on the masses of these supersymmetric particles. Under the assumptions of common gaugino and scalar masses at the GUT scale, we set an absolute lower limit on the mass of the lightest scalar electron of 65.5 GeV.

Published
1999

37. Searches for scalar quarks in e+e− interactions at GeV

Author

M. Acciarri, P. Achard, O. Adriani, M. Aguilar-Benitez, J. Alcaraz, G. Alemanni, J. Allaby, A. Aloisio, M.G. Alviggi, G. Ambrosi, H. Anderhub, V.P. Andreev, T. Angelescu, F. Anselmo, A. Arefiev, T. Azemoon, T. Aziz, P. Bagnaia, L. Baksay, A. Balandras, R.C. Ball, S. Banerjee, Sw. Banerjee, A. Barczyk, R. Barillère, L. Barone, P. Bartalini, M. Basile, R. Battiston, A. Bay, F. Becattini, U. Becker, F. Behner, L. Bellucci, J. Berdugo, P. Berges, B. Bertucci, B.L. Betev, S. Bhattacharya, M. Biasini, A. Biland, J.J. Blaising, S.C. Blyth, G.J. Bobbink, A. Böhm, L. Boldizsar, B. Borgia, D. Bourilkov, M. Bourquin, S. Braccini, J.G. Branson, V. Brigljevic, F. Brochu, A. Buffini, A. Buijs, J.D. Burger, W.J. Burger, J. Busenitz, A. Button, X.D. Cai, M. Campanelli, M. Capell, G. Cara Romeo, G. Carlino, A.M. Cartacci, J. Casaus, G. Castellini, F. Cavallari, N. Cavallo, C. Cecchi, M. Cerrada, F. Cesaroni, M. Chamizo, Y.H. Chang, U.K. Chaturvedi, M. Chemarin, A. Chen, G. Chen, G.M. Chen, H.F. Chen, H.S. Chen, X. Chereau, G. Chiefari, L. Cifarelli, F. Cindolo, C. Civinini, I. Clare, R. Clare, G. Coignet, A.P. Colijn, N. Colino, S. Costantini, F. Cotorobai, B. Cozzoni, B. de la Cruz, A. Csilling, S. Cucciarelli, T.S. Dai, J.A. van Dalen, R. D'Alessandro, R. de Asmundis, P. Déglon, A. Degré, K. Deiters, D. della Volpe, P. Denes, F. DeNotaristefani, A. De Salvo, M. Diemoz, D. van Dierendonck, F. Di Lodovico, C. Dionisi, M. Dittmar, A. Dominguez, A. Doria, M.T. Dova, D. Duchesneau, D. Dufournaud, P. Duinker, I. Duran, H. El Mamouni, A. Engler, F.J. Eppling, F.C. Erné, P. Extermann, M. Fabre, R. Faccini, M.A. Falagan, S. Falciano, A. Favara, J. Fay, O. Fedin, M. Felcini, T. Ferguson, F. Ferroni, H. Fesefeldt, E. Fiandrini, J.H. Field, F. Filthaut, P.H. Fisher, I. Fisk, G. Forconi, L. Fredj, K. Freudenreich, C. Furetta, Yu. Galaktionov, S.N. Ganguli, P. Garcia-Abia, M. Gataullin, S.S. Gau, S. Gentile, N. Gheordanescu, S. Giagu, Z.F. Gong, G. Grenier, O. Grimm, M.W. Gruenewald, M. Guida, R. van Gulik, V.K. Gupta, A. Gurtu, L.J. Gutay, D. Haas, A. Hasan, D. Hatzifotiadou, T. Hebbeker, A. Hervé, P. Hidas, J. Hirschfelder, H. Hofer, G. Holzner, H. Hoorani, S.R. Hou, I. Iashvili, B.N. Jin, L.W. Jones, P. de Jong, I. Josa-Mutuberrı́a, R.A. Khan, D. Kamrad, M. Kaur, M.N. Kienzle-Focacci, D. Kim, D.H. Kim, J.K. Kim, S.C. Kim, J. Kirkby, D. Kiss, W. Kittel, A. Klimentov, A.C. König, A. Kopp, I. Korolko, V. Koutsenko, M. Kräber, R.W. Kraemer, W. Krenz, A. Kunin, P. Ladron de Guevara, I. Laktineh, G. Landi, K. Lassila-Perini, P. Laurikainen, A. Lavorato, M. Lebeau, A. Lebedev, P. Lebrun, P. Lecomte, P. Lecoq, P. Le Coultre, H.J. Lee, J.M. Le Goff, R. Leiste, E. Leonardi, P. Levtchenko, C. Li, C.H. Lin, W.T. Lin, F.L. Linde, L. Lista, Z.A. Liu, W. Lohmann, E. Longo, Y.S. Lu, K. Lübelsmeyer, C. Luci, D. Luckey, L. Lugnier, L. Luminari, W. Lustermann, W.G. Ma, M. Maity, L. Malgeri, A. Malinin, C. Maña, D. Mangeol, P. Marchesini, G. Marian, J.P. Martin, F. Marzano, G.G.G. Massaro, K. Mazumdar, R.R. McNeil, S. Mele, L. Merola, M. Meschini, W.J. Metzger, M. von der Mey, A. Mihul, H. Milcent, G. Mirabelli, J. Mnich, G.B. Mohanty, P. Molnar, B. Monteleoni, T. Moulik, G.S. Muanza, F. Muheim, A.J.M. Muijs, M. Musy, M. Napolitano, F. Nessi-Tedaldi, H. Newman, T. Niessen, A. Nisati, H. Nowak, Y.D. Oh, G. Organtini, R. Ostonen, C. Palomares, D. Pandoulas, S. Paoletti, P. Paolucci, R. Paramatti, H.K. Park, I.H. Park, G. Pascale, G. Passaleva, S. Patricelli, T. Paul, M. Pauluzzi, C. Paus, F. Pauss, D. Peach, M. Pedace, S. Pensotti, D. Perret-Gallix, B. Petersen, D. Piccolo, F. Pierella, M. Pieri, P.A. Piroué, E. Pistolesi, V. Plyaskin, M. Pohl, V. Pojidaev, H. Postema, J. Pothier, N. Produit, D.O. Prokofiev, D. Prokofiev, J. Quartieri, G. Rahal-Callot, M.A. Rahaman, P. Raics, N. Raja, R. Ramelli, P.G. Rancoita, G. Raven, P. Razis, D. Ren, M. Rescigno, S. Reucroft, T. van Rhee, S. Riemann, K. Riles, A. Robohm, J. Rodin, B.P. Roe, L. Romero, A. Rosca, S. Rosier-Lees, J.A. Rubio, D. Ruschmeier, H. Rykaczewski, S. Saremi, S. Sarkar, J. Salicio, E. Sanchez, M.P. Sanders, M.E. Sarakinos, C. Schäfer, V. Schegelsky, S. Schmidt-Kaerst, D. Schmitz, H. Schopper, D.J. Schotanus, G. Schwering, C. Sciacca, D. Sciarrino, A. Seganti, L. Servoli, S. Shevchenko, N. Shivarov, V. Shoutko, E. Shumilov, A. Shvorob, T. Siedenburg, D. Son, B. Smith, P. Spillantini, M. Steuer, D.P. Stickland, A. Stone, H. Stone, B. Stoyanov, A. Straessner, K. Sudhakar, G. Sultanov, L.Z. Sun, H. Suter, J.D. Swain, Z. Szillasi, T. Sztaricskai, X.W. Tang, L. Tauscher, L. Taylor, C. Timmermans, Samuel C.C. Ting, S.M. Ting, S.C. Tonwar, J. Tóth, C. Tully, K.L. Tung, Y. Uchida, J. Ulbricht, E. Valente, G. Vesztergombi, I. Vetlitsky, D. Vicinanza, G. Viertel, S. Villa, M. Vivargent, S. Vlachos, I. Vodopianov, H. Vogel, H. Vogt, I. Vorobiev, A.A. Vorobyov, A. Vorvolakos, M. Wadhwa, W. Wallraff, M. Wang, X.L. Wang, Z.M. Wang, A. Weber, M. Weber, P. Wienemann, H. Wilkens, S.X. Wu, S. Wynhoff, L. Xia, Z.Z. Xu, B.Z. Yang, C.G. Yang, H.J. Yang, M. Yang, J.B. Ye, S.C. Yeh, An. Zalite, Yu. Zalite, Z.P. Zhang, G.Y. Zhu, R.Y. Zhu, A. Zichichi, F. Ziegler, G. Zilizi, and M. Zöller

Subjects
Physics, Quark, Nuclear and High Energy Physics, Particle physics, Gluino, 010308 nuclear & particles physics, High Energy Physics::Phenomenology, 0103 physical sciences, Scalar (physics), High Energy Physics::Experiment, 010306 general physics, 01 natural sciences, Minimal Supersymmetric Standard Model
Abstract

Searches for scalar top and scalar bottom quarks, as well as for mass-degenerate scalar quarks of the first two families are performed at 189 GeV centre-of-mass energy with the L3 detector at LEP. No signals are observed. Model-independent limits on the scalar top production cross sections are determined for the decay modes $\rm \tilde{t}_1 \rightarrow c \tilde{\chi}_1^0$ and $\rm \tilde{t}_1 \rightarrow b \ell \tilde{\nu}$. For scalar quarks of the other flavours $\tilde{\mathrm{q}} \to \mathrm{q} \tilde{\chi}_1^0$ decays are considered. Within the framework of the Minimal Supersymmetric Standard Model mass limits are set at 95\% C.L. for these particles. Indirect limits on the gluino mass are also derived.

Published
1999

39. A search for flaring very-high-energy cosmic gamma-ray sources with the L3+C muon spectrometer

Author

M. Zöller, S.K. Gupta, C. Schäfer, V. Schegelsky, Francesco Becattini, Z.Q. Yu, X.L. Wang, H. Rykaczewski, D. Ren, K. Deiters, M. Napolitano, P. Extermann, S. Rosier-Lees, Jean Fay, Pablo Garcia-Abia, T. Novak, S.N. Ganguli, J. M. Le Goff, K. Mazumdar, S. Sushkov, H.S. Chen, U. Becker, Christoph Paus, P. Spillantini, A. Shvorob, K.C. Ravindran, M. Kräber, P. Lebrun, V. Kantserov, R. Vasquez, P. Raics, M. Chamizo, Z.A. Liu, Y.Q. Ma, G. Alemanni, Q. Wang, S. Braccini, F. Cavallari, R.W. Kraemer, Alexandre Sakharov, M. Pioppi, F. Brochu, B. Monteleoni, C.R. Qing, S. Natale, B. Schoeneich, Samuel C.C. Ting, N. Raja, I. Duran, Y. Lei, R. Ofierzynski, L. Romero, J. Casaus, C.H. Lin, J.S. Xu, G. Viertel, D. Haas, M. Pohl, A. Zichichi, C. Luci, W. Lustermann, H.H. Kuang, S. Gentile, F. Denotaristefani, D. Hatzifotiadou, S. Cucciarelli, A. Cartacci, G.M. Chen, D della Volpe, D. Teyssier, H.J. Grabosch, B. Bertucci, B.Z. Yang, A. Chen, M. Vivargent, V.P. Andreev, R. Berbeco, S. Likhoded, S. Banerjee, H.L. Zhuang, Yu. Zalite, J. Mnich, G.B. Mohanty, S. Sarkar, B. Stoyanov, P. Lecomte, M. Gataullin, Z.Z. Xu, L. Luminari, Dimitri Bourilkov, H. Schopper, R. T. Van de Walle, L. Cifarelli, P. G. Rancoita, S. Pensotti, X. W. Wang, K.L. Tung, S. Roth, S. Reucroft, G.J. Bobbink, R. Ramelli, F. Pierella, M. Aguilar-Benitez, M. Chemarin, B.P. Roe, M. Lebeau, C. Zhang, X.H. Ma, R. Battiston, X.F. Yang, Gyorgy Vesztergombi, O. Fedin, A. Engler, B. Echenard, G.Y. Zhu, G. Ruggiero, A. Bay, L.Z. Sun, P. Tarjan, N. Cavallo, A. Bajo, Y.S. Lu, W.G. Ma, W.J. Burger, R. Barillère, T. Aziz, R. Ranieri, M. Levtchenko, Michele Guida, A.X. Huo, C. Timmermans, L.K. Ding, P. Déglon, C.G. Yang, Y.P. Xu, W. Lohmann, P. Le Coultre, M. Yang, M. Diemoz, A. Hervé, A.A. Vorobyov, S.V. Baldew, G. Trowitzsch, S. Zhang, J. Pothier, C. Rosenbleck, A. Eline, M. Wadhwa, T. Paul, G. Baksay, Z.X. He, M. Felcini, I. Clare, R. Saidi, J. Tóth, A. Doria, G. Chiefari, G.S. Muanza, S. Bottai, E. Kok, M. Hohlmann, J. Kuijpers, V. Veszpremi, A. Biland, J.J. Blaising, G. Rahal-Callot, S.C. Tonwar, D. Duchesneau, J. Allaby, Z.M. Wang, S. Giagu, I. Pal, A. Böhm, H. Newman, Vivien Schmitt, M. Meschini, Dong-Chul Son, S.C. Yeh, M. Musy, P.H. Fisher, L. Malgeri, G. Mirabelli, D. Perret-Gallix, D. Prokofiev, M. Kopal, P. Denes, L. Tauscher, M. Basile, H. Anderhub, J.D. Burger, V.A. Naumov, M. Kaur, A. Lebedev, J. Mans, G. Cara Romeo, J. Hirschfelder, M.A. Rahaman, G. Passaleva, S. Kawakami, S. Riemann, B.L. Betev, E. Longo, L. Baksay, Y.N. Guo, M.T. Dova, J. Ulbricht, F. Zhang, A. Kunin, B. De La Cruz, G. Chen, J. K. Kim, B. Petersen, N. Shivarov, H.J. Yang, M. Unger, X.W. Tang, Luca Lista, R. van Wijk, S.J. Zhou, I. Fisk, A. Barczyk, Joseph Quartieri, J.D. Swain, Z.G. Yao, G. Landi, H. Hofer, S. Villa, S. Costantini, J. Salicio, L.J. Gutay, G. Faber, P. Rewiersma, S. Saremi, S.R. Hou, Jasper Kirkby, M. A. Falagan, A. Aloisio, K. Freudenreich, M. Duda, S.C. Blyth, A. J.W. van Mil, P. Levtchenko, D. Piccolo, V. Koutsenko, C. Dionisi, L. Xia, Marcos Cerrada, K. Riles, G. Carlino, B.N. Jin, M. Dierckxsens, Y. Hayashi, P.A. Piroué, C.Q. Shen, C. Maña, R. Leiste, A. Straessner, T.A.M. Wijnen, Q.Q. Zhu, A. El Hage, H.F. Chen, R. de Asmundis, M. Pedace, Sw. Banerjee, Laszlo Boldizsar, X.D. Cai, G. Coignet, Imad Baptiste Laktineh, M.W. Gruenewald, M. Pauluzzi, A. Arefiev, M.N. Kienzle-Focacci, S. Mele, A.J.M. Muijs, E. Pistolesi, H. Suter, R.Y. Zhu, E. Shumilov, M. Capell, K. Sudhakar, F. Anselmo, O. Adriani, C.L. Jing, Axel König, A. Krüger, A. Nisati, M. Biasini, C. Souga, Z.C. Li, L. Merola, V. Shoutko, A. Favara, V. Plyaskin, H. Nowak, H. El Mamouni, R.R. Mcneil, H. Leich, H. Verkooijen, J. Zhao, A. Mihul, P. Jindal, A. Raspereza, W. C. Fisher, P. Bagnaia, W. Kittel, L. Taylor, D. Vicinanza, J. Alcaraz, S. Falciano, G. Organtini, A. Malinin, P. Ladron de Guevara, C. Palomares, A. De Salvo, H. Groenstege, S.M. Ting, I. Josa-Mutuberria, L. Servoli, A. Klimentov, P. Berges, B. Tellili, S. Patricelli, An. Zalite, M. Biglietti, G. Holzner, S. Wynhoff, D.P. Stickland, G. Sultanov, R. Clare, P. de Jong, X.W. Meng, Z.P. Zhang, J. Berdugo, W.T. Lin, A. Gurtu, E. J. Sanchez, T. Chiarusi, P. Lecoq, I. Vetlitsky, Helmut Vogel, A. Degré, P. Razis, R.G. Wang, J. P. Martin, A. Korn, V.K. Gupta, P. Bartalini, H. Vogt, L.W. Jones, C. Li, L. Li, T. Hebbeker, F. Marzano, H. Wilkens, C. Cecchi, J. Bähr, Wesley James Metzger, J. Zhang, H. Milcent, G. Grenier, A. Rosca, Yu. Galaktionov, J. Debreczeni, F. Cindolo, M. van den Akker, Z.F. Gong, H. Sulanke, M. Bourquin, T. Azemoon, M. Steuer, S. Vlachos, D.J. Schotanus, R. Paramatti, P. Paolucci, B. Zimmermann, B. Musicar, F.L. Linde, Z. Szillasi, M. Weber, J.A. Rubio, F. Pauss, H. Fesefeldt, P. Achard, S. Shevchenko, B. Borgia, M. Rescigno, V. Pojidaev, E. Fiandrini, J.H. Field, C. Sciacca, J.-F. Parriaud, O. Grimm, A. Rojkov, N. Ito, Frank Filthaut, F.J. Eppling, C. Furetta, I. Vodopianov, I. Vorobiev, K. Dehmelt, M. Pieri, J.G. Branson, C. Rosemann, F. Nessi-Tedaldi, Ch. Haller, R. Nahnhauer, G. Forconi, M.G. Alviggi, Christopher George Tully, E. Valente, N. Batalova, Nicanor Colino, Yuan-Hann Chang, S. Nagy, E. Delmeire, L. Bellucci, A. Zwart, F. Behner, T. Ferguson, M. Dittmar, Adriani, O, Aguilar Benitez, M, van den Akker, M, Alcaraz, J, Alemanni, G, Allaby, J, Aloisio, A, Alviggi, M, Anderhub, H, Andreev, V, Anselmo, F, Arefiev, A, Azemoon, T, Aziz, T, Bagnaia, P, Bajo, A, Baksay, G, Baksay, L, Bähr, J, Baldew, S, Banerjee, S, Barczyk, A, Barillère, R, Bartalini, P, Basile, M, Batalova, N, Battiston, R, Bay, A, Becattini, F, Becker, U, Behner, F, Bellucci, L, Berbeco, R, Berdugo, J, Berges, P, Bertucci, B, Betev, B, Biasini, M, Biglietti, M, Biland, A, Blaising, J, Blyth, S, Bobbink, G, Böhm, A, Boldizsar, L, Borgia, B, Bottai, S, Bourilkov, D, Bourquin, M, Braccini, S, Branson, J, Brochu, F, Burger, J, Burger, W, Cai, X, Capell, M, Romeo, G, Carlino, G, Cartacci, A, Casaus, J, Cavallari, F, Cavallo, N, Cecchi, C, Cerrada, M, Chamizo, M, Chang, Y, Chemarin, M, Chen, A, Chen, G, Chen, H, Chiarusi, T, Chiefari, G, Cifarelli, L, Cindolo, F, Clare, I, Clare, R, Coignet, G, Colino, N, Costantini, S, de La Cruz, B, Cucciarelli, S, de Asmundis, R, Déglon, P, Debreczeni, J, Degré, A, Dehmelt, K, Deiters, K, Della Volpe, D, Delmeire, E, Denes, P, Denotaristefani, F, de Salvo, A, Diemoz, M, Dierckxsens, M, Ding, L, Dionisi, C, Dittmar, M, Doria, A, Dova, M, Duchesneau, D, Duda, M, Duran, I, Echenard, B, Eline, A, El Hage, A, El Mamouni, H, Engler, A, Eppling, F, Extermann, P, Faber, G, Falagan, M, Falciano, S, Favara, A, Fay, J, Fedin, O, Felcini, M, Ferguson, T, Fesefeldt, H, Fiandrini, E, Field, J, Filthaut, F, Fisher, P, Fisher, W, Fisk, I, Forconi, G, Freudenreich, K, Furetta, C, Galaktionov, Y, Ganguli, S, Garcia Abia, P, Gataullin, M, Gentile, S, Giagu, S, Gong, Z, Grabosch, H, Grenier, G, Grimm, O, Groenstege, H, Gruenewald, M, Guida, M, Guo, Y, Gupta, S, Gupta, V, Gurtu, A, Gutay, L, Haas, D, Haller, C, Hatzifotiadou, D, Hayashi, Y, He, Z, Hebbeker, T, Hervé, A, Hirschfelder, J, Hofer, H, Hohlmann, M, Holzner, G, Hou, S, Huo, A, Ito, N, Jin, B, Jindal, P, Jing, C, Jones, L, de Jong, P, Josa Mutuberría, I, Kantserov, V, Kaur, M, Kawakami, S, Kienzle Focacci, M, Kim, J, Kirkby, J, Kittel, W, Klimentov, A, König, A, Kok, E, Korn, A, Kopal, M, Koutsenko, V, Kräber, M, Kuang, H, Kraemer, R, Krüger, A, Kuijpers, J, Kunin, A, de Guevara, P, Laktineh, I, Landi, G, Lebeau, M, Lebedev, A, Lebrun, P, Lecomte, P, Lecoq, P, Coultre, P, Goff, J, Lei, Y, Leich, H, Leiste, R, Levtchenko, M, Levtchenko, P, Li, C, Li, L, Li, Z, Likhoded, S, Lin, C, Lin, W, Linde, F, Lista, L, Liu, Z, Lohmann, W, Longo, E, Lu, Y, Luci, C, Luminari, L, Lustermann, W, Ma, W, Ma, X, Ma, Y, Malgeri, L, Malinin, A, Maña, C, Mans, J, Martin, J, Marzano, F, Mazumdar, K, Mcneil, R, Mele, S, Meng, X, Merola, L, Meschini, M, Metzger, W, Mihul, A, van Mil, A, Milcent, H, Mirabelli, G, Mnich, J, Mohanty, G, Monteleoni, B, Muanza, G, Muijs, A, Musicar, B, Musy, M, Nagy, S, Nahnhauer, R, Naumov, V, Natale, S, Napolitano, M, Nessi Tedaldi, F, Newman, H, Nisati, A, Novak, T, Nowak, H, Ofierzynski, R, Organtini, G, Pal, I, Palomares, C, Paolucci, P, Paramatti, R, Parriaud, J, Passaleva, G, Patricelli, S, Paul, T, Pauluzzi, M, Paus, C, Pauss, F, Pedace, M, Pensotti, S, Perret Gallix, D, Petersen, B, Piccolo, D, Pierella, F, Pieri, M, Pioppi, M, Piroué, P, Pistolesi, E, Plyaskin, V, Pohl, M, Pojidaev, V, Pothier, J, Prokofiev, D, Quartieri, J, Qing, C, Rahal Callot, G, Rahaman, M, Raics, P, Raja, N, Ramelli, R, Rancoita, P, Ranieri, R, Raspereza, A, Ravindran, K, Razis, P, Ren, D, Rescigno, M, Reucroft, S, Rewiersma, P, Riemann, S, Riles, K, Roe, B, Rojkov, A, Romero, L, Rosca, A, Rosemann, C, Rosenbleck, C, Rosier Lees, S, Roth, S, Rubio, J, Ruggiero, G, Rykaczewski, H, Saidi, R, Sakharov, A, Saremi, S, Sarkar, S, Salicio, J, Sanchez, E, Schäfer, C, Schegelsky, V, Schmitt, V, Schoeneich, B, Schopper, H, Schotanus, D, Sciacca, C, Servoli, L, Shen, C, Shevchenko, S, Shivarov, N, Shoutko, V, Shumilov, E, Shvorob, A, Son, D, Souga, C, Spillantini, P, Steuer, M, Stickland, D, Stoyanov, B, Straessner, A, Sudhakar, K, Sulanke, H, Sultanov, G, Sun, L, Sushkov, S, Suter, H, Swain, J, Szillasi, Z, Tang, X, Tarjan, P, Tauscher, L, Taylor, L, Tellili, B, Teyssier, D, Timmermans, C, Ting, S, Tonwar, S, Tóth, J, Trowitzsch, G, Tully, C, Tung, K, Ulbricht, J, Unger, M, Valente, E, Verkooijen, H, van de Walle, R, Vasquez, R, Veszpremi, V, Vesztergombi, G, Vetlitsky, I, Vicinanza, D, Viertel, G, Villa, S, Vivargent, M, Vlachos, S, Vodopianov, I, Vogel, H, Vogt, H, Vorobiev, I, Vorobyov, A, Wadhwa, M, Wang, R, Wang, Q, Wang, X, Wang, Z, Weber, M, van Wijk, R, Wijnen, T, Wilkens, H, Wynhoff, S, Xia, L, Xu, Y, Xu, J, Xu, Z, Yang, B, Yang, C, Yang, H, Yang, M, Yang, X, Yao, Z, Yeh, S, Yu, Z, Zalite, A, Zalite, Y, Zhang, C, Zhang, F, Zhang, J, Zhang, S, Zhang, Z, Zhao, J, Zhou, S, Zhu, G, Zhu, R, Zhu, Q, Zhuang, H, Zichichi, A, Zimmermann, B, Zöller, M, Zwart, A, Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Institut de Physique Nucléaire de Lyon (IPNL), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), CMS, Institut de Physique des 2 Infinis de Lyon (IP2I Lyon), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS), L3, P. ACHARD, O. ADRIANI, M. AGUILAR-BENITEZ, M. VAN DEN AKKER, J. ALCARAZ, G. ALEMANNI, J. ALLABY, A. ALOISIO, M.G. ALVIGGI, H. ANDERHUB, V.P. ANDREEV, F. ANSELMO, A. AREFIEV, T. AZEMOON, T. AZIZ, P. BAGNAIA, A. BAJO, G. BAKSAY, L. BAKSAY, S.V. BALDEW, S. BANERJEE, SW. BANERJEE, A. BARCZYK, R. BARILLÈRE, P. BARTALINI, M. BASILE, N. BATALOVA, R. BATTISTON, A. BAY, F. BECATTINI, U. BECKER, F. BEHNER, L. BELLUCCI, R. BERBECO, J. BERDUGO, P. BERGES, B. BERTUCCI, B.L. BETEV, M. BIASINI, M. BIGLIETTI, A. BILAND, J.J. BLAISING, S.C. BLYTH, G.J. BOBBINK, A. BÖHM, L. BOLDIZSAR, B. BORGIA, S. BOTTAI, D. BOURILKOV, M. BOURQUIN, S. BRACCINI, J.G. BRANSON, F. BROCHU, J.D. BURGER, W.J. BURGER, X.D. CAI, M. CAPELL, G. CARA ROMEO, G. CARLINO, A. CARTACCI, J. CASAUS, F. CAVALLARI, N. CAVALLO, C. CECCHI, M. CERRADA, M. CHAMIZO, Y.H. CHANG, M. CHEMARIN, A. CHEN, G. CHEN, G.M. CHEN, H.F. CHEN, H.S. CHEN, G. CHIEFARI, L. CIFARELLI, F. CINDOLO, I. CLARE, R. CLARE, G. COIGNET, N. COLINO, S. COSTANTINI, B. DE LA CRUZ, S. CUCCIARELLI, R. DE ASMUNDIS, P. DÉGLON, J. DEBRECZENI, A. DEGRÉ, K. DEHMELT, K. DEITERS, D. DELLA VOLPE, E. DELMEIRE, P. DENES, F. DE NOTARISTEFANI, A. DE SALVO, M. DIEMOZ, M. DIERCKXSENS, C. DIONISI, M. DITTMAR, A. DORIA, M.T. DOVA, D. DUCHESNEAU, M. DUDA, B. ECHENARD, A. ELINE, A. EL HAGE, H. EL MAMOUNI, A. ENGLER, F.J. EPPLING, P. EXTERMANN, M.A. FALAGAN, S. FALCIANO, A. FAVARA, J. FAY, O. FEDIN, M. FELCINI, T. FERGUSON, H. FESEFELDT, E. FIANDRINI, J.H. FIELD, F. FILTHAUT, P.H. FISHER, W. FISHER, G. FORCONI, K. FREUDENREICH, C. FURETTA, YU. GALAKTIONOV, S.N. GANGULI, P. GARCIA-ABIA, M. GATAULLIN, S. GENTILE, S. GIAGU, Z.F. GONG, G. GRENIER, O. GRIMM, M.W. GRUENEWALD, M. GUIDA, V.K. GUPTA, A. GURTU, L.J. GUTAY, D. HAAS, D. HATZIFOTIADOU, T. HEBBEKER, A. HERVÉ, J. HIRSCHFELDER, H. HOFER, M. HOHLMANN, G. HOLZNER, S.R. HOU, B.N. JIN, P. JINDAL, L.W. JONES, P. DE JONG, I. JOSA-MUTUBERRÍA, M. KAUR, M.N. KIENZLE-FOCACCI, J.K. KIM, J. KIRKBY, W. KITTEL, A. KLIMENTOV, A.C. KÖNIG, M. KOPAL, V. KOUTSENKO, M. KRÄBER, R.W. KRAEMER, A. KRÜGER, A. KUNIN, P. LADRON DE GUEVARA, I. LAKTINEH, G. LANDI, M. LEBEAU, A. LEBEDEV, P. LEBRUN, P. LECOMTE, P. LECOQ, P. LE COULTRE, J.M. LE GOFF, R. LEISTEA, M. LEVTCHENKO, P. LEVTCHENKO, C. LI, S. LIKHODED, C.H. LIN, W.T. LIN, F.L. LINDE, L. LISTA, Z.A. LIU, W. LOHMANN, E. LONGO, Y.S. LU, C. LUCI, L. LUMINARI, W. LUSTERMANN, W.G. MA, L. MALGERI, A. MALININ, C. MAÑA, J. MANS, J.P. MARTIN, F. MARZANO, K. MAZUMDAR, R.R. MCNEIL, S. MELE, L. MEROLA, M. MESCHINI, W.J. METZGER, A. MIHUL, H. MILCENT, G. MIRABELLI, J. MNICH, G.B. MOHANTY, G.S. MUANZA, A.J.M. MUIJS, M. MUSY, S. NAGY, S. NATALE, M. NAPOLITANO, F. NESSI-TEDALDI, S. NESTEROV, H. NEWMAN, A. NISATI, T. NOVAK, H. NOWAK, R. OFIERZYNSKI, G. ORGANTINI, I. PAL, C. PALOMARES, P. PAOLUCCI, R. PARAMATTI, G. PASSALEVA, S. PATRICELLI, T. PAUL, M. PAULUZZI, C. PAUS, F. PAUSS, M. PEDACE, S. PENSOTTI, D. PERRET-GALLIX, D. PICCOLO, F. PIERELLA, M. PIERI, M. PIOPPI, P.A. PIROUÉ, E. PISTOLESI, V. PLYASKIN, M. POHL, V. POJIDAEV, J. POTHIER, D. PROKOFIEV, G. RAHAL-CALLOT, M.A. RAHAMAN, P. RAICS, N. RAJA, R. RAMELLI, P.G. RANCOITA, R. RANIERI, A. RASPEREZA, P. RAZIS, S. REMBECZKI, D. REN, M. RESCIGNO, S. REUCROFT, S. RIEMANN, K. RILES, B.P. ROE, L. ROMERO, A. ROSCA, C. ROSEMANN, C. ROSENBLECK, S. ROSIER-LEES, S. ROTH, J.A. RUBIO, G. RUGGIERO, H. RYKACZEWSKI, A. SAKHAROV, S. SAREMI, S. SARKAR, J. SALICIO, E. SANCHEZ, C. SCHÄFER, H. SCHOPPER, D.J. SCHOTANUS, C. SCIACCA, L. SERVOLI, S. SHEVCHENKO, N. SHIVAROV, V. SHOUTKO, E. SHUMILOV, A. SHVOROB, D. SON, C. SOUGA, P. SPILLANTINI, M. STEUER, D.P. STICKLAND, B. STOYANOV, A. STRAESSNER, K. SUDHAKAR, G. SULTANOV, L.Z. SUN, S. SUSHKOV, H. SUTER, J.D. SWAIN, Z. SZILLASI, X.W. TANG, P. TARJAN, L. TAUSCHER, L. TAYLOR, B. TELLILI, D. TEYSSIER, C. TIMMERMANS, SAMUEL C.C. TING, S.M. TING, S.C. TONWAR, J. TÓTH, C. TULLY, K.L. TUNG, J. ULBRICHT, E. VALENTE, R.T. VAN DE WALLE, R. VASQUEZ, G. VESZTERGOMBI, I. VETLITSKY, G. VIERTEL, M. VIVARGENT, S. VLACHOS, I. VODOPIANOV, H. VOGEL, H. VOGT, I. VOROBIEV, A.A. VOROBYOV, M. WADHWA, Q. WANG, X.L. WANG, Z.M. WANG, M. WEBER, S. WYNHOFF, L. XIA, Z.Z. XU, J. YAMAMOTO, B.Z. YANG, C.G. YANG, H.J. YANG, M. YANG, S.C. YEH, AN. ZALITE, YU. ZALITE, Z.P. ZHANG, J. ZHAO, G.Y. ZHU, R.Y. ZHU, H.L. ZHUANG, A. ZICHICHI, B. ZIMMERMANN, M. ZÖLLER, A.N.M. ZWART, Achard, P., Adriani, O., Aguilar-Benitez, M., van den Akker, M., Alcaraz, J., Alemanni, G., Allaby, J., Aloisio, A., Alviggi, M. G., Anderhub, H., Andreev, V. P., Anselmo, F., Arefiev, A., Azemoon, T., Aziz, T., Bagnaia, P., Bajo, A., Baksay, G., Baksay, L., Bähr, J., Baldew, S. V., Banerjee, S., Banerjee, Sw., Barczyk, A., Barillère, R., Bartalini, P., Basile, M., Batalova, N., Battiston, R., Bay, A., Becattini, F., Becker, U., Behner, F., Bellucci, L., Berbeco, R., Berdugo, J., Berges, P., Bertucci, B., Betev, B. L., Biasini, M., Biglietti, M., Biland, A., Blaising, J. J., Blyth, S. C., Bobbink, G. J., Böhm, A., Boldizsar, L., Borgia, B., Bottai, S., Bourilkov, D., Bourquin, M., Braccini, S., Branson, J. G., Brochu, F., Burger, J. D., Burger, W. J., Cai, X. D., Capell, M., Romeo, G. Cara, Carlino, G., Cartacci, A., Casaus, J., Cavallari, F., Cavallo, N., Cecchi, C., Cerrada, M., Chamizo, M., Chang, Y. H., Chemarin, M., Chen, A., Chen, G., Chen, G. M., Chen, H. F., Chen, H. S., Chiarusi, T., Chiefari, G., Cifarelli, L., Cindolo, F., Clare, I., Clare, R., Coignet, G., Colino, N., Costantini, S., de la Cruz, B., Cucciarelli, S., de Asmundis, R., Déglon, P., Debreczeni, J., Degré, A., Dehmelt, K., Deiters, K., della Volpe, D., Delmeire, E., Denes, P., Denotaristefani, F., De Salvo, A., Diemoz, M., Dierckxsens, M., Ding, L. K., Dionisi, C., Dittmar, M., Doria, A., Dova, M. T., Duchesneau, D., Duda, M., Duran, I., Echenard, B., Eline, A., El Hage, A., El Mamouni, H., Engler, A., Eppling, F. J., Extermann, P., Faber, G., Falagan, M. A., Falciano, S., Favara, A., Fay, J., Fedin, O., Felcini, M., Ferguson, T., Fesefeldt, H., Fiandrini, E., Field, J. H., Filthaut, F., Fisher, P. H., Fisher, W., Fisk, I., Forconi, G., Freudenreich, K., Furetta, C., Galaktionov, Yu., Ganguli, S. N., Garcia-Abia, P., Gataullin, M., Gentile, S., Giagu, S., Gong, Z. F., Grabosch, H. J., Grenier, G., Grimm, O., Groenstege, H., Gruenewald, M. W., Guida, M., Guo, Y. N., Gupta, S. K., Gupta, V. K., Gurtu, A., Gutay, L. J., Haas, D., Haller, Ch., Hatzifotiadou, D., Hayashi, Y., He, Z. X., Hebbeker, T., Hervé, A., Hirschfelder, J., Hofer, H., Hofer Jr., H., Hohlmann, M., Holzner, G., Hou, S. R., Huo, A. X., Ito, N., Jin, B. N., Jindal, P., Jing, C. L., Jones, L. W., de Jong, P., Josa-Mutuberría, I., Kantserov, V., Kaur, M., Kawakami, S., Kienzle-Focacci, M. N., Kim, J. K., Kirkby, J., Kittel, W., Klimentov, A., König, A. C., Kok, E., Korn, A., Kopal, M., Koutsenko, V., Kräber, M., Kuang, H. H., Kraemer, R. W., Krüger, A., Kuijpers, J., Kunin, A., de Guevara, P. Ladron, Laktineh, I., Landi, G., Lebeau, M., Lebedev, A., Lebrun, P., Lecomte, P., Lecoq, P., Coultre, P. Le, Goff, J. M. Le, Lei, Y., Leich, H., Leiste, R., Levtchenko, M., Levtchenko, P., Li, C., Li, L., Li, Z. C., Likhoded, S., Lin, C. H., Lin, W. T., Linde, F. L., Lista, L., Liu, Z. A., Lohmann, W., Longo, E., Lu, Y. S., Luci, C., Luminari, L., Lustermann, W., Ma, W. G., Ma, X. H., Ma, Y. Q., Malgeri, L., Malinin, A., Maña, C., Mans, J., Martin, J. P., Marzano, F., Mazumdar, K., Mcneil, R. R., Mele, S., Meng, X. W., Merola, L., Meschini, M., Metzger, W. J., Mihul, A., van Mil, A., Milcent, H., Mirabelli, G., Mnich, J., Mohanty, G. B., Monteleoni, B., Muanza, G. S., Muijs, A. J. M., Musicar, B., Musy, M., Nagy, S., Nahnhauer, R., Naumov, V. A., Natale, S., Napolitano, M., Nessi-Tedaldi, F., Newman, H., Nisati, A., Novak, T., Nowak, H., Ofierzynski, R., Organtini, G., Pal, I., Palomares, C., Paolucci, P., Paramatti, R., Parriaud, J. -F., Passaleva, G., Patricelli, S., Paul, T., Pauluzzi, M., Paus, C., Pauss, F., Pedace, M., Pensotti, S., Perret-Gallix, D., Petersen, B., Piccolo, D., Pierella, F., Pieri, M., Pioppi, M., Piroué, P. A., Pistolesi, E., Plyaskin, V., Pohl, M., Pojidaev, V., Pothier, J., Prokofiev, D., Quartieri, J., Qing, C. R., Rahal-Callot, G., Rahaman, M. A., Raics, P., Raja, N., Ramelli, R., Rancoita, P. G., Ranieri, R., Raspereza, A., Ravindran, K. C., Razis, P., Ren, D., Rescigno, M., Reucroft, S., Rewiersma, P., Riemann, S., Riles, K., Roe, B. P., Rojkov, A., Romero, L., Rosca, A., Rosemann, C., Rosenbleck, C., Rosier-Lees, S., Roth, S., Rubio, J. A., Ruggiero, G., Rykaczewski, H., Saidi, R., Sakharov, A., Saremi, S., Sarkar, S., Salicio, J., Sanchez, E., Schäfer, C., Schegelsky, V., Schmitt, V., Schoeneich, B., Schopper, H., Schotanus, D. J., Sciacca, C., Servoli, L., Shen, C. Q., Shevchenko, S., Shivarov, N., Shoutko, V., Shumilov, E., Shvorob, A., Son, D., Souga, C., Spillantini, P., Steuer, M., Stickland, D. P., Stoyanov, B., Straessner, A., Sudhakar, K., Sulanke, H., Sultanov, G., Sun, L. Z., Sushkov, S., Suter, H., Swain, J. D., Szillasi, Z., Tang, X. W., Tarjan, P., Tauscher, L., Taylor, L., Tellili, B., Teyssier, D., Timmermans, C., Ting, Samuel C. C., Ting, S. M., Tonwar, S. C., Tóth, J., Trowitzsch, G., Tully, C., Tung, K. L., Ulbricht, J., Unger, M., Valente, E., Verkooijen, H., Van de Walle, R. T., Vasquez, R., Veszpremi, V., Vesztergombi, G., Vetlitsky, I., Vicinanza, D., Viertel, G., Villa, S., Vivargent, M., Vlachos, S., Vodopianov, I., Vogel, H., Vogt, H., Vorobiev, I., Vorobyov, A. A., Wadhwa, M., Wang, R. G., Wang, Q., Wang, X. L., Wang, X. W., Wang, Z. M., Weber, M., van Wijk, R., Wijnen, T. A. M., Wilkens, H., Wynhoff, S., Xia, L., Xu, Y. P., Xu, J. S., Xu, Z. Z., Yang, B. Z., Yang, C. G., Yang, H. J., Yang, M., Yang, X. F., Yao, Z. G., Yeh, S. C., Yu, Z. Q., Zalite, An., Zalite, Yu., Zhang, C., Zhang, F., Zhang, J., Zhang, S., Zhang, Z. P., Zhao, J., Zhou, S. J., Zhu, G. Y., Zhu, R. Y., Zhu, Q. Q., Zhuang, H. L., Zichichi, A., Zimmermann, B., Zöller, M., and Zwart, A. N. M.

Subjects
Physics::Instrumentation and Detectors, Astronomy, Muon, muons, Astrophysics, 01 natural sciences, Outburst, law.invention, law, electron–positron collider, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], 98.70.Sa, 98.54.Cm, Telescope, 010303 astronomy & astrophysics, L3+C, L3+C, Cosmic gamma-ray, media_common, Physics, Muons, Large Hadron Collider, COSMIC cancer database, Underground Muons, Markarian 501, Gamma-ray-point-sources, Astronomy and Astrophysics, Gamma ray, Gamma-ray-point-source, very-high-energy cosmic c-ray sources, ddc:540, Astrophysics and Astronomy, media_common.quotation_subject, Astrophysics::High Energy Astrophysical Phenomena, Cosmic ray, FIS/05 - ASTRONOMIA E ASTROFISICA, Spectrum, Theoretical High Energy Physics, 0103 physical sciences, 010306 general physics, Collider, Ciencias Exactas, Física, Detector, Cygnus-X-3, Direction, Sky, Experimental High Energy Physics, Tev, Physics::Accelerator Physics, High Energy Physics::Experiment, FIS/04 - FISICA NUCLEARE E SUBNUCLEARE
Abstract

The L3+C muon detector at the CERN electron–positron collider, LEP, is used for the detection of very-high-energy cosmic c-ray sources through the observation of muons of energies above 20, 30, 50 and 100 GeV. Daily or monthly excesses in the rate of single-muon events pointing to some particular direction in the sky are searched for. The periods from mid July to November 1999, and April to November 2000 are considered. Special attention is also given to a selection of known c-ray sources. No statistically significant excess is observed for any direction or any particular source., Facultad de Ciencias Exactas

Published
2006

40. Measurement of W-pair cross sections in e+e− interactions at =183 and W-decay branching fractions

Author

M. Acciarri, O. Adriani, M. Aguilar-Benitez, S. Ahlen, J. Alcaraz, G. Alemanni, J. Allaby, A. Aloisio, M.G. Alviggi, G. Ambrosi, H. Anderhub, V.P. Andreev, T. Angelescu, F. Anselmo, A. Arefiev, T. Azemoon, T. Aziz, P. Bagnaia, L. Baksay, S. Banerjee, Sw. Banerjee, K. Banicz, A. Barczyk, R. Barillère, L. Barone, P. Bartalini, A. Baschirotto, M. Basile, R. Battiston, A. Bay, F. Becattini, U. Becker, F. Behner, J. Berdugo, P. Berges, B. Bertucci, B.L. Betev, S. Bhattacharya, M. Biasini, A. Biland, G.M. Bilei, J.J. Blaising, S.C. Blyth, G.J. Bobbink, R. Bock, A. Böhm, L. Boldizsar, B. Borgia, D. Bourilkov, M. Bourquin, S. Braccini, J.G. Branson, V. Brigljevic, I.C. Brock, A. Buffini, A. Buijs, J.D. Burger, W.J. Burger, J. Busenitz, A. Button, X.D. Cai, M. Campanelli, M. Capell, G. Cara Romeo, G. Carlino, A.M. Cartacci, J. Casaus, G. Castellini, F. Cavallari, N. Cavallo, C. Cecchi, M. Cerrada, F. Cesaroni, M. Chamizo, Y.H. Chang, U.K. Chaturvedi, M. Chemarin, A. Chen, G. Chen, G.M. Chen, H.F. Chen, H.S. Chen, X. Chereau, G. Chiefari, C.Y. Chien, L. Cifarelli, F. Cindolo, C. Civinini, I. Clare, R. Clare, G. Coignet, A.P. Colijn, N. Colino, S. Costantini, F. Cotorobai, B. de la Cruz, A. Csilling, T.S. Dai, R. D'Alessandro, R. de Asmundis, A. Degré, K. Deiters, D. della Volpe, P. Denes, F. DeNotaristefani, M. Diemoz, D.van Dierendonck, F. Di Lodovico, C. Dionisi, M. Dittmar, A. Dominguez, A. Doria, M.T. Dova, D. Duchesneau, P. Duinker, I. Duran, S. Easo, H. El Mamouni, A. Engler, F.J. Eppling, F.C. Erné, P. Extermann, M. Fabre, R. Faccini, M.A. Falagan, S. Falciano, A. Favara, J. Fay, O. Fedin, M. Felcini, T. Ferguson, F. Ferroni, H. Fesefeldt, E. Fiandrini, J.H. Field, F. Filthaut, P.H. Fisher, I. Fisk, G. Forconi, L. Fredj, K. Freudenreich, C. Furetta, Yu. Galaktionov, S.N. Ganguli, P. Garcia-Abia, M. Gataullin, S.S. Gau, S. Gentile, N. Gheordanescu, S. Giagu, S. Goldfarb, J. Goldstein, Z.F. Gong, A. Gougas, G. Gratta, M.W. Gruenewald, R. van Gulik, V.K. Gupta, A. Gurtu, L.J. Gutay, D. Haas, B. Hartmann, A. Hasan, D. Hatzifotiadou, T. Hebbeker, A. Hervé, P. Hidas, J. Hirschfelder, W.C. van Hoek, H. Hofer, H. Hoorani, S.R. Hou, G. Hu, I. Iashvili, B.N. Jin, L.W. Jones, P. de Jong, I. Josa-Mutuberria, R.A. Khan, D. Kamrad, J.S. Kapustinsky, M. Kaur, M.N. Kienzle-Focacci, D. Kim, D.H. Kim, J.K. Kim, S.C. Kim, W.W. Kinnison, A. Kirkby, D. Kirkby, J. Kirkby, D. Kiss, W. Kittel, A. Klimentov, A.C. König, A. Kopp, I. Korolko, V. Koutsenko, R.W. Kraemer, W. Krenz, A. Kunin, P. Lacentre, P. Ladron de Guevara, I. Laktineh, G. Landi, C. Lapoint, K. Lassila-Perini, P. Laurikainen, A. Lavorato, M. Lebeau, A. Lebedev, P. Lebrun, P. Lecomte, P. Lecoq, P. Le Coultre, H.J. Lee, J.M. Le Goff, R. Leiste, E. Leonardi, P. Levtchenko, C. Li, C.H. Lin, W.T. Lin, F.L. Linde, L. Lista, Z.A. Liu, W. Lohmann, E. Longo, W. Lu, Y.S. Lu, K. Lübelsmeyer, C. Luci, D. Luckey, L. Luminari, W. Lustermann, W.G. Ma, M. Maity, G. Majumder, L. Malgeri, A. Malinin, C. Maña, D. Mangeol, P. Marchesini, G. Marian, A. Marin, J.P. Martin, F. Marzano, G.G.G. Massaro, K. Mazumdar, R.R. McNeil, S. Mele, L. Merola, M. Meschini, W.J. Metzger, M.von der Mey, D. Migani, A. Mihul, A.J.W. van Mil, H. Milcent, G. Mirabelli, J. Mnich, P. Molnar, B. Monteleoni, R. Moore, T. Moulik, R. Mount, G.S. Muanza, F. Muheim, A.J.M. Muijs, S. Nahn, M. Napolitano, F. Nessi-Tedaldi, H. Newman, T. Niessen, A. Nippe, A. Nisati, H. Nowak, Y.D. Oh, G. Organtini, R. Ostonen, S. Palit, C. Palomares, D. Pandoulas, S. Paoletti, P. Paolucci, H.K. Park, I.H. Park, G. Pascale, G. Passaleva, S. Patricelli, T. Paul, M. Pauluzzi, C. Paus, F. Pauss, D. Peach, M. Pedace, Y.J. Pei, S. Pensotti, D. Perret-Gallix, B. Petersen, S. Petrak, A. Pevsner, D. Piccolo, M. Pieri, P.A. Piroué, E. Pistolesi, V. Plyaskin, M. Pohl, V. Pojidaev, H. Postema, J. Pothier, N. Produit, D. Prokofiev, J. Quartieri, G. Rahal-Callot, N. Raja, P.G. Rancoita, M. Rattaggi, G. Raven, P. Razis, D. Ren, M. Rescigno, S. Reucroft, T. van Rhee, S. Riemann, K. Riles, A. Robohm, J. Rodin, B.P. Roe, L. Romero, S. Rosier-Lees, S. Roth, J.A. Rubio, D. Ruschmeier, H. Rykaczewski, S. Sakar, J. Salicio, E. Sanchez, M.P. Sanders, M.E. Sarakinos, C. Schäfer, V. Schegelsky, S. Schmidt-Kaerst, D. Schmitz, N. Scholz, H. Schopper, D.J. Schotanus, J. Schwenke, G. Schwering, C. Sciacca, D. Sciarrino, L. Servoli, S. Shevchenko, N. Shivarov, V. Shoutko, J. Shukla, E. Shumilov, A. Shvorob, T. Siedenburg, D. Son, B. Smith, P. Spillantini, M. Steuer, D.P. Stickland, A. Stone, H. Stone, B. Stoyanov, A. Straessner, K. Sudhakar, G. Sultanov, L.Z. Sun, G.F. Susinno, H. Suter, J.D. Swain, X.W. Tang, L. Tauscher, L. Taylor, C. Timmermans, Samuel C.C. Ting, S.M. Ting, S.C. Tonwar, J. Tóth, C. Tully, K.L. Tung, Y. Uchida, J. Ulbricht, E. Valente, G. Vesztergombi, I. Vetlitsky, G. Viertel, M. Vivargent, S. Vlachos, H. Vogel, H. Vogt, I. Vorobiev, A.A. Vorobyov, A. Vorvolakos, M. Wadhwa, W. Wallraff, J.C. Wang, X.L. Wang, Z.M. Wang, A. Weber, S.X. Wu, S. Wynhoff, J. Xu, Z.Z. Xu, B.Z. Yang, C.G. Yang, H.J. Yang, M. Yang, J.B. Ye, S.C. Yeh, J.M. You, An. Zalite, Yu. Zalite, P. Zemp, Y. Zeng, Z.P. Zhang, B. Zhou, G.Y. Zhu, R.Y. Zhu, A. Zichichi, F. Ziegler, and G. Zilizi

Subjects
Physics, Branching (linguistics), Nuclear and High Energy Physics, Particle physics, 010308 nuclear & particles physics, 0103 physical sciences, Root (chord), 010306 general physics, 01 natural sciences
Published
1998

41. Measurement of the cross section of W-boson pair production at LEP

Author

P. Achard, O. Adriani, M. Aguilar-Benitez, J. Alcaraz, G. Alemanni, J. Allaby, A. Aloisio, M.G. Alviggi, H. Anderhub, V.P. Andreev, F. Anselmo, A. Arefiev, T. Azemoon, T. Aziz, P. Bagnaia, A. Bajo, G. Baksay, L. Baksay, S.V. Baldew, S. Banerjee, Sw. Banerjee, A. Barczyk, R. Barillère, P. Bartalini, M. Basile, N. Batalova, R. Battiston, A. Bay, F. Becattini, U. Becker, F. Behner, L. Bellucci, R. Berbeco, J. Berdugo, P. Berges, B. Bertucci, B.L. Betev, M. Biasini, M. Biglietti, A. Biland, J.J. Blaising, S.C. Blyth, G.J. Bobbink, A. Böhm, L. Boldizsar, B. Borgia, S. Bottai, D. Bourilkov, M. Bourquin, S. Braccini, J.G. Branson, F. Brochu, J.D. Burger, W.J. Burger, A. Button, X.D. Cai, M. Capell, G. Cara Romeo, G. Carlino, A. Cartacci, J. Casaus, F. Cavallari, N. Cavallo, C. Cecchi, M. Cerrada, M. Chamizo, Y.H. Chang, M. Chemarin, A. Chen, G. Chen, G.M. Chen, H.F. Chen, H.S. Chen, G. Chiefari, L. Cifarelli, F. Cindolo, I. Clare, R. Clare, G. Coignet, N. Colino, S. Costantini, B. de la Cruz, S. Cucciarelli, J.A. van Dalen, R. de Asmundis, P. Déglon, J. Debreczeni, A. Degré, K. Dehmelt, K. Deiters, D. della Volpe, E. Delmeire, P. Denes, F. DeNotaristefani, A. De Salvo, M. Diemoz, M. Dierckxsens, D. van Dierendonck, C. Dionisi, M. Dittmar, A. Doria, M.T. Dova, D. Duchesneau, M. Duda, B. Echenard, A. Eline, A. El Hage, H. El Mamouni, A. Engler, F.J. Eppling, P. Extermann, M.A. Falagan, S. Falciano, A. Favara, J. Fay, O. Fedin, M. Felcini, T. Ferguson, H. Fesefeldt, E. Fiandrini, J.H. Field, F. Filthaut, P.H. Fisher, W. Fisher, I. Fisk, G. Forconi, K. Freudenreich, C. Furetta, Yu. Galaktionov, S.N. Ganguli, P. Garcia-Abia, M. Gataullin, S. Gentile, S. Giagu, Z.F. Gong, G. Grenier, O. Grimm, M.W. Gruenewald, M. Guida, V.K. Gupta, A. Gurtu, L.J. Gutay, D. Haas, D. Hatzifotiadou, T. Hebbeker, A. Hervé, J. Hirschfelder, H. Hofer, M. Hohlmann, G. Holzner, S.R. Hou, Y. Hu, B.N. Jin, L.W. Jones, P. de Jong, I. Josa-Mutuberría, M. Kaur, M.N. Kienzle-Focacci, J.K. Kim, J. Kirkby, W. Kittel, A. Klimentov, A.C. König, M. Kopal, V. Koutsenko, M. Kräber, R.W. Kraemer, A. Krüger, A. Kunin, P. Ladron de Guevara, I. Laktineh, G. Landi, M. Lebeau, A. Lebedev, P. Lebrun, P. Lecomte, P. Lecoq, P. Le Coultre, J.M. Le Goff, R. Leiste, M. Levtchenko, P. Levtchenko, C. Li, S. Likhoded, C.H. Lin, W.T. Lin, F.L. Linde, L. Lista, Z.A. Liu, W. Lohmann, E. Longo, Y.S. Lu, C. Luci, L. Luminari, W. Lustermann, W.G. Ma, L. Malgeri, A. Malinin, C. Maña, J. Mans, J.P. Martin, F. Marzano, K. Mazumdar, R.R. McNeil, S. Mele, L. Merola, M. Meschini, W.J. Metzger, A. Mihul, H. Milcent, G. Mirabelli, J. Mnich, G.B. Mohanty, T. Moulik, G.S. Muanza, A.J.M. Muijs, B. Musicar, M. Musy, S. Nagy, R. Nandakumar, S. Natale, M. Napolitano, F. Nessi-Tedaldi, H. Newman, A. Nisati, T. Novak, H. Nowak, R. Ofierzynski, G. Organtini, I. Pal, C. Palomares, P. Paolucci, R. Paramatti, G. Passaleva, S. Patricelli, T. Paul, M. Pauluzzi, C. Paus, F. Pauss, M. Pedace, S. Pensotti, D. Perret-Gallix, B. Petersen, D. Piccolo, F. Pierella, M. Pioppi, P.A. Piroué, E. Pistolesi, V. Plyaskin, M. Pohl, V. Pojidaev, J. Pothier, D. Prokofiev, J. Quartieri, G. Rahal-Callot, M.A. Rahaman, P. Raics, N. Raja, R. Ramelli, P.G. Rancoita, R. Ranieri, A. Raspereza, P. Razis, D. Ren, M. Rescigno, S. Reucroft, S. Riemann, K. Riles, B.P. Roe, L. Romero, A. Rosca, C. Rosemann, C. Rosenbleck, S. Rosier-Lees, S. Roth, J.A. Rubio, G. Ruggiero, H. Rykaczewski, A. Sakharov, S. Saremi, S. Sarkar, J. Salicio, E. Sanchez, C. Schäfer, V. Schegelsky, H. Schopper, D.J. Schotanus, C. Sciacca, L. Servoli, S. Shevchenko, N. Shivarov, V. Shoutko, E. Shumilov, A. Shvorob, D. Son, C. Souga, P. Spillantini, M. Steuer, D.P. Stickland, B. Stoyanov, A. Straessner, K. Sudhakar, G. Sultanov, L.Z. Sun, S. Sushkov, H. Suter, J.D. Swain, Z. Szillasi, X.W. Tang, P. Tarjan, L. Tauscher, L. Taylor, B. Tellili, D. Teyssier, C. Timmermans, Samuel C.C. Ting, S.M. Ting, S.C. Tonwar, J. Tóth, C. Tully, K.L. Tung, J. Ulbricht, E. Valente, R.T. Van de Walle, R. Vasquez, V. Veszpremi, G. Vesztergombi, I. Vetlitsky, D. Vicinanza, G. Viertel, S. Villa, M. Vivargent, S. Vlachos, I. Vodopianov, H. Vogel, H. Vogt, I. Vorobiev, A.A. Vorobyov, M. Wadhwa, Q. Wang, X.L. Wang, Z.M. Wang, A. Weber, M. Weber, H. Wilkens, S. Wynhoff, L. Xia, Z.Z. Xu, J. Yamamoto, B.Z. Yang, C.G. Yang, H.J. Yang, M. Yang, S.C. Yeh, An. Zalite, Yu. Zalite, Z.P. Zhang, J. Zhao, G.Y. Zhu, R.Y. Zhu, H.L. Zhuang, A. Zichichi, B. Zimmermann, M. Zöller, L3 (IHEF, IoP, FNWI), Achard, Pablo, Bourquin, Maurice, Braccini, Saverio, Chamizo Llatas, Maria, Deglon, Patrick, Delmeire, Evelyne, Echenard, Bertrand, Extermann, Pierre, Field, John, Kienzle, Maria-Novella, Natale, Sonia, Pohl, Martin, Straessner, Arno, Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Institut de Physique Nucléaire de Lyon (IPNL), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), CMS, Institut de Physique des 2 Infinis de Lyon (IP2I Lyon), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS), L3, P., Achard, Aloisio, Alberto, Alviggi, Mariagrazia, Chiefari, Giovanni, DELLA VOLPE, Domenico, Merola, Leonardo, Napolitano, Marco, Patricelli, Sergio, Sciacca, Crisostomo, Lista, Luca, P. ACHARD, O. ADRIANI, M. AGUILAR-BENITEZ, J. ALCARAZ, G. ALEMANNI, J. ALLABY, A. ALOISIO, M.G. ALVIGGI, H. ANDERHUB, V.P. ANDREEV, F. ANSELMO, A. AREFIEV, T. AZEMOON, T. AZIZ, P. BAGNAIA, A. BAJO, G. BAKSAY, L. BAKSAY, S.V. BALDEW, S. BANERJEE, SW. BANERJEE, A. BARCZYK, R. BARILLÈRE, P. BARTALINI, M. BASILE, N. BATALOVA, R. BATTISTON, A. BAY, F. BECATTINI, U. BECKER, F. BEHNER, L. BELLUCCI, R. BERBECO, J. BERDUGO, P. BERGES, B. BERTUCCI, B.L. BETEV, M. BIASINI, M. BIGLIETTI, A. BILAND, J.J. BLAISING, S.C. BLYTH, G.J. BOBBINK, A. BÖHM, L. BOLDIZSAR, B. BORGIA, S. BOTTAI, D. BOURILKOV, M. BOURQUIN, S. BRACCINI, J.G. BRANSON, F. BROCHU, J.D. BURGER, W.J. BURGER, X.D. CAI, M. CAPELL, G. CARA ROMEO, G. CARLINO, A. CARTACCI, J. CASAUS, F. CAVALLARI, N. CAVALLO, C. CECCHI, M. CERRADA, M. CHAMIZO, Y.H. CHANG, M. CHEMARIN, A. CHEN, G. CHEN, G.M. CHEN, H.F. CHEN, H.S. CHEN, G. CHIEFARI, L. CIFARELLI, F. CINDOLO, I. CLARE, R. CLARE, G. COIGNET, N. COLINO, S. COSTANTINI, B. DE LA CRUZ, S. CUCCIARELLI, J.A. VAN DALEN, R. DE ASMUNDIS, P. DÉGLON, J. DEBRECZENI, A. DEGRÉ, K. DEHMELT, K. DEITERS, D. DELLA VOLPE, E. DELMEIRE, P. DENES, F. DE NOTARISTEFANI, A. DE SALVO, M. DIEMOZ, M. DIERCKXSENS, C. DIONISI, M. DITTMAR, A. DORIA, M.T. DOVA, D. DUCHESNEAU, M. DUDA, B. ECHENARD, A. ELINE, A. EL HAGE, H. EL MAMOUNI, A. ENGLER, F.J. EPPLING, P. EXTERMANN, M.A. FALAGAN, S. FALCIANO, A. FAVARA, J. FAY, O. FEDIN, M. FELCINI, T. FERGUSON, H. FESEFELDT, E. FIANDRINI, J.H. FIELD, F. FILTHAUT, P.H. FISHER, W. FISHER, I. FISK, G. FORCONI, K. FREUDENREICH, C. FURETTA, YU. GALAKTIONOV, S.N. GANGULI, P. GARCIA-ABIA, M. GATAULLIN, S. GENTILE, S. GIAGU, Z.F. GONG, G. GRENIER, O. GRIMM, M.W. GRUENEWALD, M. GUIDA, V.K. GUPTA, A. GURTU, L.J. GUTAY, D. HAAS, D. HATZIFOTIADOU, T. HEBBEKER, A. HERVÉ, J. HIRSCHFELDER, H. HOFER, M. HOHLMANN, G. HOLZNER, S.R. HOU, Y. HU, B.N. JIN, L.W. JONES, P. DE JONG, I. JOSA-MUTUBERRÍA, M. KAUR, M.N. KIENZLE-FOCACCI, J.K. KIM, J. KIRKBY, W. KITTEL, A. KLIMENTOV, A.C. KOENIG, M. KOPAL, V. KOUTSENKO, M. KRAEBER, R.W. KRAEMER, A. KRUEGER, A. KUNIN, P. LADRON DE GUEVARA, I. LAKTINEH, G. LANDI, M. LEBEAU, A. LEBEDEV, P. LEBRUN, P. LECOMTE, P. LECOQ, P. LE COULTRE, J.M. LE GOFF, R. LEISTE, M. LEVTCHENKO, P. LEVTCHENKO, C. LI, S. LIKHODED, C.H. LIN, W.T. LIN, F.L. LINDE, L. LISTA, Z.A. LIU, W. LOHMANN, E. LONGO, Y.S. LU, C. LUCI, L. LUMINARI, W. LUSTERMANN, W.G. MA, L. MALGERI, A. MALININ, C. MANA, D. MANGEOL, J. MANS, J.P. MARTIN, F. MARZANO, K. MAZUMDAR, R.R. MCNEIL, S. MELE, L. MEROLA, M. MESCHINI, W.J. METZGER, A. MIHUL, H. MILCENT, G. MIRABELLI, J. MNICH, G.B. MOHANTY, G.S. MUANZA, A.J.M. MUIJS, B. MUSICAR, M. MUSY, S. NAGY, S. NATALE, M. NAPOLITANO, F. NESSI-TEDALDI, H. NEWMAN, A. NISATI, T. NOVAK, H. NOWAK, R. OFIERZYNSKI, G. ORGANTINI, I. PAL, C. PALOMARES, P.PAOLUCCI, R. PARAMATTI, G. PASSALEVA, S. PATRICELLI, T. PAUL, M. PAULUZZI, C. PAUS, F. PAUSS, M. PEDACE, S. PENSOTTI, D. PERRET-GALLIX, B. PETERSEN, D. PICCOLO, F. PIERELLA, M. PIOPPI, P.A. PIROUE, E. PISTOLESI, V. PLYASKIN, M. POHL, V. POJIDAEV, J. POTHIER, D. PROKOFIEV, J. QUARTIERI, G. RAHAL-CALLOT, M.A.RAHAMAN, P. RAICS, N. RAJA, R. RAMELLI, P.G. RANCOITA, R. RANIERI, A. RASPEREZA, P. RAZIS, D. REN, M. RESCIGNO, S. REUCROFT, S. RIEMANN, K. RILES, B.P. ROE, L. ROMERO, A. ROSCA, C. ROSEMANN, C. ROSENBLECK, S. ROSIER-LEES, S. ROTH, J.A. RUBIO, G. RUGGIERO, H. RYKACZEWSKI, A. SAKHAROV, S. SAREMI, S. SARKAR, J. SALICIO, E. SANCHEZ, C. SCHAEFER, V. SCHEGELSKY, H. SCHOPPER, D.J. SCHOTANUS, C. SCIACCA, L. SERVOLI, S. SHEVCHENKO, N. SHIVAROV, V. SHOUTKO, E. SHUMILOV, A. SHVOROB, D. SON, C. SOUGA, P. SPILLANTINI, M. STEUER, D.P. STICKLAND, B. STOYANOV, A. STRAESSNER, K. SUDHAKAR, G. SULTANOV, L.Z. SUN, S. SUSHKOV, H. SUTER, J.D. SWAIN, Z. SZILLASI, X.W. TANG, P. TARJAN, L. TAUSCHER, L. TAYLOR, B. TELLILI, D. TEYSSIER, C. TIMMERMANS, SAMUEL C.C. TING, S.M. TING, S.C. TONWAR, J. TOTH, C. TULLY, K.L. TUNG, J. ULBRICHT, E. VALENTE, R.T. VAN DE WALLE, R. VASQUEZ, V. VESZPREMI, G. VESZTERGOMBI, I. VETLITSKI, D. VICINANZA, G. VIERTEL, S. VILLA, M. VIVARGENT, S. VLACHOS, I. VODOPIANOV, H. VOGEL, H. VOGT, I. VOROBIEV, A.A. VOROBYOV, M. WADHWA, Q. WANG, X.L. WANG, Z.M. WANG, M. WEBER, H. WILKENS, S. WYNHOFF, L. XIA, Z.Z. XU, J. YAMAMOTO, B.Z. YANG, C.G. YANG, H.J. YANG, M. YANG, S.C. YEH, AN. ZALITE, YU. ZALITE, Z.P. ZHANG, J. ZHAO, G.Y. ZHU, R.Y. ZHU, H.L. ZHUANG, A. ZICHICHI, B. ZIMMERMANN, M. ZOELLER, and IHEF (IoP, FNWI)

Subjects
Particle physics, Nuclear and High Energy Physics, Electron–positron annihilation, Monte Carlo method, Hadron, FOS: Physical sciences, ddc:500.2, 01 natural sciences, High Energy Physics - Experiment, Nuclear physics, High Energy Physics - Experiment (hep-ex), 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], 010306 general physics, Nuclear Experiment, Ciencias Exactas, Boson, Physics, carlo event generator, decay branching fractions, angle bhabha scattering, monte-carlo, e(+)e(-) collisions, color reconnection, final-states, high-energy, radiative-corrections, einstein correlations, 010308 nuclear & particles physics, Branching fraction, High Energy Physics::Phenomenology, Física, large electron positron collider, Pair production, L3 detector, W-boson, Large Electron–Positron Collider, High Energy Physics::Experiment, Particle Physics - Experiment, Lepton
Abstract

The cross section of W-boson pair-production is measured with the L3 detector at LEP. In a data sample corresponding to a total luminosity of 629.4 pb−1, collected at centre-of-mass energies ranging from 189 to 209 GeV, 9834 four-fermion events with W bosons decaying into hadrons or leptons are selected. The total cross section is measured with a precision of 1.4% and agrees with the Standard Model expectation. Assuming charged-lepton universality, the branching fraction for hadronic W-boson decays is measured to be: Br(W → hadrons) = 67.50 ± 0.42(stat.) ± 0.30(syst.)%, in agreement with the Standard Model. Differential cross sections as a function of the W-production angle are also measured for the semi-leptonic channels qqeν and qqμν., Facultad de Ciencias Exactas

Published
2004

42. QCD studies and determination of αs in e+e− collisions at s=161GeV and 172 GeV

Author

M. Acciarri, O. Adriani, M. Aguilar-Benitez, S. Ahlen, J. Alcaraz, G. Alemanni, J. Allaby, A. Aloisio, G. Alverson, M.G. Alviggi, G. Ambrosi, H. Anderhub, V.P. Andreev, T. Angelescu, F. Anselmo, A. Arefiev, T. Azemoon, T. Aziz, P. Bagnaia, L. Baksay, S. Banerjee, Sw. Banerjee, K. Banicz, A. Barczyk, R. Barillère, L. Barone, P. Bartalini, A. Baschirotto, M. Basile, R. Battiston, A. Bay, F. Becattini, U. Becker, F. Behner, J. Berdugo, P. Berges, B. Bertucci, B.L. Betev, S. Bhattacharya, M. Biasini, A. Biland, G.M. Bilei, J.J. Blaising, S.C. Blyth, G.J. Bobbink, R. Bock, A. Böhm, L. Boldizsar, B. Borgia, D. Bourilkov, M. Bourquin, S. Braccini, J.G. Branson, V. Brigljevic, I.C. Brock, A. Buffini, A. Buijs, J.D. Burger, W.J. Burger, J. Busenitz, A. Button, X.D. Cai, M. Campanelli, M. Capell, G. Cara Romeo, G. Carlino, A.M. Cartacci, J. Casaus, G. Castellini, F. Cavallari, N. Cavallo, C. Cecchi, M. Cerrada, F. Cesaroni, M. Chamizo, Y.H. Chang, U.K. Chaturvedi, S.V. Chekanov, M. Chemarin, A. Chen, G. Chen, G.M. Chen, H.F. Chen, H.S. Chen, X. Chereau, G. Chiefari, C.Y. Chien, L. Cifarelli, F. Cindolo, C. Civinini, I. Clare, R. Clare, H.O. Cohn, G. Coignet, A.P. Colijn, N. Colino, V. Commichau, S. Costantini, F. Cotorobai, B. de la Cruz, A. Csilling, T.S. Dai, R. D'Alessandro, R. de Asmundis, A. Degré, K. Deiters, D. della Volpe, P. Denes, F. DeNotaristefani, D. DiBitonto, M. Diemoz, D. van Dierendonck, F. Di Lodovico, C. Dionisi, M. Dittmar, A. Dominguez, A. Doria, M.T. Dova, D. Duchesneau, P. Duinker, I. Duran, S. Dutta, S. Easo, Yu. Efremenko, H. El Mamouni, A. Engler, F.J. Eppling, F.C. Erné, J.P. Ernenwein, P. Extermann, M. Fabre, R. Faccini, S. Falciano, A. Favara, J. Fay, O. Fedin, M. Felcini, B. Fenyi, T. Ferguson, F. Ferroni, H. Fesefeldt, E. Fiandrini, J.H. Field, F. Filthaut, P.H. Fisher, I. Fisk, G. Forconi, L. Fredj, K. Freudenreich, C. Furetta, Yu. Galaktionov, S.N. Ganguli, P. Garcia-Abia, S.S. Gau, S. Gentile, N. Gheordanescu, S. Giagu, S. Goldfarb, J. Goldstein, Z.F. Gong, A. Gougas, G. Gratta, M.W. Gruenewald, V.K. Gupta, A. Gurtu, L.J. Gutay, B. Hartmann, A. Hasan, D. Hatzifotiadou, T. Hebbeker, A. Hervé, W.C. van Hoek, H. Hofer, S.J. Hong, H. Hoorani, S.R. Hou, G. Hu, V. Innocente, K. Jenkes, B.N. Jin, L.W. Jones, P. de Jong, I. Josa-Mutuberria, A. Kasser, R.A. Khan, D. Kamrad, Yu. Kamyshkov, J.S. Kapustinsky, Y. Karyotakis, M. Kaur, M.N. Kienzle-Focacci, D. Kim, D.H. Kim, J.K. Kim, S.C. Kim, Y.G. Kim, W.W. Kinnison, A. Kirkby, D. Kirkby, J. Kirkby, D. Kiss, W. Kittel, A. Klimentov, A.C. König, A. Kopp, I. Korolko, V. Koutsenko, R.W. Kraemer, W. Krenz, A. Kunin, P. Ladron de Guevara, I. Laktineh, G. Landi, C. Lapoint, K. Lassila-Perini, P. Laurikainen, M. Lebeau, A. Lebedev, P. Lebrun, P. Lecomte, P. Lecoq, P. Le Coultre, J.M. Le Goff, R. Leiste, E. Leonardi, P. Levtchenko, C. Li, C.H. Lin, W.T. Lin, F.L. Linde, L. Lista, Z.A. Liu, W. Lohmann, E. Longo, W. Lu, Y.S. Lu, K. Lübelsmeyer, C. Luci, D. Luckey, L. Luminari, W. Lustermann, W.G. Ma, M. Maity, G. Majumder, L. Malgeri, A. Malinin, C. Maña, D. Mangeol, S. Mangla, P. Marchesini, A. Marin, J.P. Martin, F. Marzano, G.G.G. Massaro, D. McNally, R.R. McNeil, S. Mele, L. Merola, M. Meschini, W.J. Metzger, M. von der Mey, Y. Mi, A. Mihul, A.J.W. van Mil, G. Mirabelli, J. Mnich, P. Molnar, B. Monteleoni, R. Moore, S. Morganti, T. Moulik, R. Mount, S. Müller, F. Muheim, A.J.M. Muijs, S. Nahn, M. Napolitano, F. Nessi-Tedaldi, H. Newman, T. Niessen, A. Nippe, A. Nisati, H. Nowak, Y.D. Oh, H. Opitz, G. Organtini, R. Ostonen, C. Palomares, D. Pandoulas, S. Paoletti, P. Paolucci, H.K. Park, I.H. Park, G. Pascale, G. Passaleva, S. Patricelli, T. Paul, M. Pauluzzi, C. Paus, F. Pauss, D. Peach, Y.J. Pei, S. Pensotti, D. Perret-Gallix, B. Petersen, S. Petrak, A. Pevsner, D. Piccolo, M. Pieri, J.C. Pinto, P.A. Piroué, E. Pistolesi, V. Plyaskin, M. Pohl, V. Pojidaev, H. Postema, N. Produit, D. Prokofiev, G. Rahal-Callot, N. Raja, P.G. Rancoita, M. Rattaggi, G. Raven, P. Razis, K. Read, D. Ren, M. Rescigno, S. Reucroft, T. van Rhee, S. Riemann, K. Riles, A. Robohm, J. Rodin, B.P. Roe, L. Romero, S. Rosier-Lees, Ph. Rosselet, W. van Rossum, S. Roth, J.A. Rubio, D. Ruschmeier, H. Rykaczewski, J. Salicio, E. Sanchez, M.P. Sanders, M.E. Sarakinos, S. Sarkar, M. Sassowsky, C. Schäfer, V. Schegelsky, S. Schmidt-Kaerst, D. Schmitz, P. Schmitz, N. Scholz, H. Schopper, D.J. Schotanus, J. Schwenke, G. Schwering, C. Sciacca, D. Sciarrino, L. Servoli, S. Shevchenko, N. Shivarov, V. Shoutko, J. Shukla, E. Shumilov, A. Shvorob, T. Siedenburg, D. Son, A. Sopczak, B. Smith, P. Spillantini, M. Steuer, D.P. Stickland, A. Stone, H. Stone, B. Stoyanov, A. Straessner, K. Strauch, K. Sudhakar, G. Sultanov, L.Z. Sun, G.F. Susinno, H. Suter, J.D. Swain, X.W. Tang, L. Tauscher, L. Taylor, Samuel C.C. Ting, S.M. Ting, M. Tonutti, S.C. Tonwar, J. Tóth, C. Tully, H. Tuchscherer, K.L. Tung, Y. Uchida, J. Ulbricht, U. Uwer, E. Valente, R.T. Van de Walle, G. Vesztergombi, I. Vetlitsky, G. Viertel, M. Vivargent, R. Völkert, H. Vogel, H. Vogt, I. Vorobiev, A.A. Vorobyov, A. Vorvolakos, M. Wadhwa, W. Wallraff, J.C. Wang, X.L. Wang, Z.M. Wang, A. Weber, F. Wittgenstein, S.X. Wu, S. Wynhoff, J. Xu, Z.Z. Xu, B.Z. Yang, C.G. Yang, X.Y. Yao, J.B. Ye, S.C. Yeh, J.M. You, An. Zalite, Yu. Zalite, P. Zemp, Y. Zeng, Z. Zhang, Z.P. Zhang, B. Zhou, G.Y. Zhu, R.Y. Zhu, A. Zichichi, and F. Ziegler

Subjects
Quantum chromodynamics, Physics, Nuclear and High Energy Physics, Particle physics, Large Hadron Collider, Luminosity (scattering theory), 010308 nuclear & particles physics, Electron–positron annihilation, High Energy Physics::Phenomenology, Hadron, 01 natural sciences, Nuclear physics, 0103 physical sciences, High Energy Physics::Experiment, Center of mass, 010306 general physics, Constant (mathematics), Event (particle physics)
Abstract

We present a study of the structure of hadronic events recorded by the L3 detector at LEP at the center of mass energies of 161 and 172 GeV. The data sample corresponds to an integrated luminosity of 21.25 pb-1 collected during the high energy runs of 1996. The distributions of event shape variables and the energy dependence of their mean values are well reproduced by QCD models. From a comparison of the data with resummed second order QCD calculations, we determine the strong coupling constant at the two energies. Combining with our earlier measurements we find that the strong coupling constant decreases with increasing energy as expected in QCD.

Published
1997

43. Search for excited leptons in e+e− annihilation at =161

Author

M. Acciarri, O. Adriani, M. Aguilar-Benitez, S. Ahlen, B. Alpat, J. Alcaraz, G. Alemanni, J. Allaby, A. Aloisio, G. Alverson, M.G. Alviggi, G. Ambrosi, H. Anderhub, V.P. Andreev, T. Angelescu, F. Anselmo, D. Antreasyan, A. Arefiev, T. Azemoon, T. Aziz, P. Bagnaia, L. Baksay, S. Banerjee, K. Banicz, R. Barillère, L. Barone, P. Bartalini, A. Baschirotto, M. Basile, R. Battiston, A. Bay, F. Becattini, U. Becker, F. Behner, J. Berdugo, P. Berges, B. Bertucci, B.L. Betev, S. Bhattacharya, M. Biasini, A. Biland, G.M. Bilei, J.J. Blaising, S.C. Blyth, G.J. Bobbink, R. Rock, A. Böhm, B. Borgia, D. Bourilkov, M. Bourquin, S. Braccini, J.G. Branson, V. Brigljevic, I.C. Brock, A. Buffini, A. Buijs, J.D. Burger, W.J. Burger, J. Busenitz, A. Button, X.D. Cai, M. Campanelli, M. Capell, G. Cara Romeo, M. Caria, G. Carlino, A.M. Cartacci, J. Casaus, G. Castellini, F. Cavallari, N. Cavallo, C. Cecchi, M. Cerrada, F. Cesaroni, M. Chamizo, A. Chan, Y.H. Chang, U.K. Chaturvedi, S.V. Chekanov, M. Chemarin, A. Chen, G. Chen, G.M. Chen, H.F. Chen, H.S. Chen, X. Chereau, G. Chiefari, C.Y. Chien, M.T. Choi, L. Cifarelli, F. Cindolo, C. Civinini, I. Clare, R. Clare, H.O. Cohn, G. Coignet, A.P. Colijn, N. Colino, V. Commichau, S. Costantini, F. Cotorobai, B. de la Cruz, A. Csilling, T.S. Dai, R. D'Alessandro, R. de Asmundis, A. Degré, K. Deiters, D. della Volpe, P. Denes, F. DeNotaristefani, D. DiBitonto, M. Diemoz, D. van Dierendonck, P. Di Lodovico, C. Dionisi, M. Dittmar, A. Dominguez, A. Doria, M.T. Dova, E. Drago, D. Duchesneau, P. Duinker, I. Duran, S. Dutta, S. Easo, Yu. Efremenko, H. El Mamouni, A. Engler, F.J. Eppling, F.C. Erné, J.P. Ernenwein, P. Extermann, M. Fabre, R. Faccini, S. Falciano, A. Favara, J. Fay, O. Fedin, M. Felcini, B. Fenyi, T. Ferguson, D. Fernandez, F. Ferroni, H. Fesefeldt, E. Fiandrini, J.H. Field, F. Filthaut, P.H. Fisher, G. Forconi, L. Fredj, K. Freudenreich, C. Furetta, Yu. Galaktionov, S.N. Ganguli, P. Garcia-Abia, S.S. Gau, S. Gentile, N. Gheordanescu, S. Giagu, S. Goldfarb, J. Goldstein, Z.F. Gong, A. Gougas, G. Gratta, M.W. Gruenewald, V.K. Gupta, A. Gurtu, L.J. Gutay, B. Hartmann, A. Hasan, D. Hatzifotiadou, T. Hebbeker, A. Hervé, W.C. van Hoek, H. Hofer, H. Hoorani, S.R. Hou, G. Hu, V. Innocente, K. Jenkes, B.N. Jin, L.W. Jones, P. de Jong, I. Josa-Mutuberria, A. Kasser, R.A. Khan, D. Kamrad, Yu. Kamyshkov, J.S. Kapustinsky, Y. Karyotakis, M. Kaur, M.N. Kienzle-Focacci, D. Kim, J.K. Kim, S.C. Kim, Y.G. Kim, W.W. Kinnison, A. Kirkby, D. Kirkby, J. Kirkby, D. Kiss, W. Kittel, A. Klimentov, A.C. König, I. Korolko, V. Koutsenko, R.W. Kraemer, W. Krenz, A. Kunin, P. Ladron de Guevara, I. Laktineh, G. Landi, C. Lapoint, K. Lassila-Perini, P. Laurikainen, M. Lebeau, A. Lebedev, P. Lebrun, P. Lecomte, P. Lecoq, P. Le Coultre, J.S. Lee, K.Y. Lee, J.M. Le Goff, R. Leiste, E. Leonardi, P. Levtchenko, C. Li, E. Lieb, W.T. Lin, F.L. Linde, L. Lista, Z.A. Liu, W. Lohmann, E. Longo, W. Lu, Y.S. Lu, K. Lübelsmeyer, C. Luci, D. Luckey, L. Luminari, W. Lustermann, W.G. Ma, M. Maity, G. Majumder, L. Malgeri, A. Malinin, C. Maña, D. Mangeol, S. Mangla, P. Marchesini, A. Marin, J.P. Martin, F. Marzano, G.G.G. Massaro, D. McNally, R.R. McNeil, S. Mele, L. Merola, M. Meschini, W.J. Metzger, M. von der Mey, Y. Mi, A. Mihul, A.J.W. van Mil, G. Mirabelli, J. Mnich, P. Molnar, B. Monteleoni, R. Moore, S. Morganti, T. Moulik, R. Mount, S. Müller, F. Muheim, A.J.M. Muijs, E. Nagy, S. Nahn, M. Napolitano, F. Nessi-Tedaldi, H. Newman, T. Niessen, A. Nippe, A. Nisati, H. Nowak, H. Opitz, G. Organtini, R. Ostonen, D. Pandoulas, S. Paoletti, P. Paolucci, H.K. Park, G. Pascale, G. Passaleva, S. Patricelli, T. Paul, M. Pauluzzi, C. Paus, F. Pauss, D. Peach, Y.J. Pei, S. Pensotti, D. Perret-Gallix, B. Petersen, S. Petrak, A. Pevsner, D. Piccolo, M. Pieri, J.C. Pinto, P.A. Piroué, E. Pistolesi, V. Plyaskin, M. Pohl, V. Pojidaev, H. Postema, N. Produit, D. Prokofiev, G. Rahal-Callot, P.G. Rancoita, M. Rattaggi, G. Raven, P. Razis, K. Read, D. Ren, M. Rescigno, S. Reucroft, T. van Rhee, S. Riemann, K. Riles, S. Ro, A. Robohm, J. Rodin, F.J. Rodriguez, B.P. Roe, L. Romero, S. Rosier-Lees, Ph. Rosselet, W. van Rossum, S. Roth, J.A. Rubio, H. Rykaczewski, J. Salicio, E. Sanchez, M.P. Sanders, A. Santocchia, M.E. Sarakinos, S. Sarkar, M. Sassowsky, C. Schäfer, V. Schegelsky, S. Schmidt-Kaerst, D. Schmitz, N. Scholz, H. Schopper, D.J. Schotanus, J. Schwenke, G. Schwering, C. Sciacca, D. Sciarrino, L. Servoli, S. Shevchenko, N. Shivarov, V. Shoutko, J. Shukla, E. Shumilov, A. Shvorob, T. Siedenburg, D. Son, A. Sopczak, B. Smith, P. Spillantini, M. Steuer, D.P. Stickland, H. Stone, B. Stoyanov, A. Straessner, K. Strauch, K. Sudhakar, G. Sultanov, L.Z. Sun, G.F. Susinno, H. Suter, J.D. Swain, X.W. Tang, L. Tauscher, L. Taylor, Samuel C.C. Ting, S.M. Ting, M. Tonutti, S.C. Tonwar, J. Tóth, C. Tully, H. Tuchscherer, K.L. Tung, Y. Uchida, J. Ulbricht, U. Uwer, E. Valente, R.T. Van de Walle, G. Vesztergombi, I. Vetlitsky, G. Viertel, M. Vivargent, R. Völkert, H. Vogel, H. Vogt, I. Vorobiev, A.A. Vorobyov, A. Vorvolakos, M. Wadhwa, W. Wallraff, J.C. Wang, X.L. Wang, Z.M. Wang, A. Weber, F. Wittgenstein, S.X. Wu, S. Wynhoff, J. Xu, Z.Z. Xu, B.Z. Yang, C.G. Yang, X.Y. Yao, J.B. Ye, S.C. Yeh, J.M. You, An. Zalite, Yu. Zalite, P. Zemp, Y. Zeng, Z. Zhang, Z.P. Zhang, B. Zhou, G.Y. Zhu, R.Y. Zhu, A. Zichichi, and F. Ziegler

Subjects
Physics, Nuclear and High Energy Physics, Particle physics, Annihilation, 010308 nuclear & particles physics, Astrophysics::High Energy Astrophysical Phenomena, Electron–positron annihilation, Lambda, 01 natural sciences, Nuclear physics, Pair production, Excited state, 0103 physical sciences, High Energy Physics::Experiment, Production (computer science), Nuclear Experiment, 010306 general physics, Lepton
Abstract

A search for excited leptons $\rm e^*,~\mu^*, ~\tau^*$ and $\nu_{\rm e}^*$ in $\rm e^+e^-$ collisions at $\rm \sqrt{s}$ = 161 GeV is performed using the $\rm 10.8 ~pb^{-1}$ of data collected by the L3 detector at LEP. No evidence has been found for their existence. From an analysis of the expected $\ell^*\ell^*$ pair production in the channels $\rm ee\gamma\gamma$, $\rm \mu\mu\gamma\gamma$, $\rm \tau\tau\gamma\gamma$, $\rm eeWW$, and $\rm \nu\nu\gamma\gamma$, the lower mass limits at 95\% C.L. are 79.7 GeV for $\rm e^{*}$, 79.9 GeV for $\mu^{*}$, 79.3 GeV for $\tau^{*}$ and 71.3 GeV for $\nu_{\rm e}^{*}$ assuming the same couplings as for standard leptons. From an analysis of the expected $\ell\ell^*$ single production in channels $\rm ee\gamma$, $\mu\mu\gamma$, $ \tau\tau\gamma$, $\rm \nu_{e}eW$ and $\nu\nu\gamma$, the upper limits on the couplings $\lambda/m_{\ell^*}$ up to $m_{\ell^{*}}$ = 161 GeV are determined.

Published
1997

44. Sorption of linear alkylbenzenesulfonates (LAS) on marine sediment

Author

Abelardo Gómez-Parra, J.A. Rubio, and Eduardo González-Mazo

Subjects
Salinity, Freundlich model, Environmental chemistry, Environmental Chemistry, Sediment, Sorption, General Chemistry, Sorption coefficient, Oceanography, complex mixtures, Bay, Geology, Water Science and Technology
Abstract

The sorption of a commercial-grade linear alkylbenzenesulfonate (LAS) and of its constituent homologous compounds was characterized in marine sediments from the Bay of Cadiz (southwestern Spain). Experimental data were fitted to a Freundlich model. The sorption coefficient K ranged from 96 for the homologue C10-LAS to 1112 for the homologue C13-LAS, with sorption expressed as μgg−1 LAS of sediment and equilibrium LAS concentration as mgl−1. LAS sorption on marine sediment was found to be an irreversible process. K increased substantially with increasing salinity. The relation was linear for the homologue C11-LAS, with a threefold increase in the value of K as salinity increased from 0 to 75.

Published
1996

45. Search for unstable sequential neutral and charged heavy leptons in e+e− annihilation at and 136 GeV

Author

M Acciarri, A Adam, O Adriani, M Aguilar-Benitez, S Ahlen, B Alpat, J Alcaraz, G Alemanni, J Allaby, A Aloisio, G Alverson, M.G Alviggi, G Ambrosi, H Anderhub, V.P Andreev, T Angelescu, D Antreasyan, A Arefiev, T Azemoon, T Aziz, P Bagnaia, L Baksay, R.C Ball, S Banerjee, K Banicz, R Barillère, L Barone, P Bartalini, A Baschirotto, M Basile, R Battiston, A Bay, F Becattini, U Becker, F Behner, J Berdugo, P Berges, B Bertucci, B.L Betev, M Biasini, A Biland, G.M Bilei, J.J Blaising, S.C Blyth, G.J Bobbink, R Bock, A Böhm, B Borgia, A Boucham, D Bourilkov, M Bourquin, E Brambilla, J.G Branson, V Brigljevic, I.C Brock, A Buijs, A Bujak, J.D Burger, W.J Burger, J Busenitz, A Buytenhuijs, X.D Cai, M Campanelli, M Capell, G Cara Romeo, M Caria, G Carlino, A.M Cartacci, J Casaus, G Castellini, R Castello, F Cavallari, N Cavallo, C Cecchi, M Cerrada, F Cesaroni, M Chamizo, A Chan, Y.H Chang, U.K Chaturvedi, M Chemarin, A Chen, G Chen, G.M Chen, H.F Chen, H.S Chen, X Chereau, G Chiefari, C.Y Chien, M.T Choi, L Cifarelli, F Cindolo, C Civinini, I Clare, R Clare, H.O Cohn, G Coignet, A.P Colijn, N Colino, V Commichau, S Costantini, F Cotorobai, B de la Cruz, T.S Dai, R D'Alessandro, R de Asmundis, H De Boeck, A Degré, K Deiters, P Denes, F DeNotaristefani, D DiBitonto, M Diemoz, D van Dierendonck, F Di Lodovico, C Dionisi, M Dittmar, A Dominguez, A Doria, I Dorne, M.T Dova, E Drago, D Duchesneau, P Duinker, I Duran, S Dutta, S Easo, Yu Efremenko, H El Mamouni, A Engler, F.J Eppling, F.C Erné, J.P Ernenwein, P Extermann, M Fabre, R Faccini, S Falciano, A Favara, J Fay, M Felcini, C Furetta, T Ferguson, D Fernandez, F Ferroni, H Fesefeldt, E Fiandrini, J.H Field, F Filthaut, P.H Fisher, G Forconi, L Fredj, K Freudenreich, Yu Galaktionov, S.N Ganguli, S.S Gau, S Gentile, J Gerald, N Gheordanescu, S Giagu, S Goldfarb, J Goldstein, Z.F Gong, A Gougas, G Gratta, M.W Gruenewald, V.K Gupta, A Gurtu, L.J Gutay, K Hangarter, B Hartmann, A Hasan, T Hebbeker, A Hervé, W.C van Hoek, H Hofer, H Hoorani, S.R Hou, G Hu, M.M Ilyas, V Innocente, H Janssen, B.N Jin, L.W Jones, P de Jong, I Josa-Mutuberria, A Kasser, R.A Khan, Yu Kamyshkov, P Kapinos, J.S Kapustinsky, Y Karyotakis, M Kaur, M.N Kienzle-Focacci, D Kim, J.K Kim, S.C Kim, Y.G Kim, W.W Kinnison, A Kirkby, D Kirkby, J Kirkby, W Kittel, A Klimentov, A.C König, A Köngeter, I Korolko, V Koutsenko, A Koulbardis, R.W Kraemer, T Kramer, W Krenz, H Kuijten, A Kunin, P Ladron de Guevara, G Landi, C Lapoint, K Lassila-Perini, M Lebeau, A Lebedev, P Lebrun, P Lecomte, P Lecoq, P Le Coultre, J.S Lee, K.Y Lee, J.M Le Goff, R Leiste, M Lenti, E Leonardi, P Levtchenko, C Li, E Lieb, W.T Lin, F.L Linde, B Lindemann, L Lista, Z.A Liu, W Lohmann, E Longo, W Lu, Y.S Lu, K Lübelsmeyer, C Luci, D Luckey, L Ludovici, L Luminari, W Lustermann, W.G Ma, S Macchiolo, M Maity, G Majumder, L Malgeri, A Malinin, C Maña, S Mangla, P Marchesini, A Marin, J.P Martin, F Marzano, G.G.G Massaro, K Mazumdar, D McNally, R.R McNeil, S Mele, L Merola, M Meschini, W.J Metzger, M von der Mey, Y Mi, A Mihul, A.J.W van Mil, G Mirabelli, J Mnich, M Möller, B Monteleoni, R Moore, S Morganti, R Mount, S Müller, F Muheim, E Nagy, S Nahn, M Napolitano, F Nessi-Tedaldi, H Newman, A Nippe, H Nowak, G Organtini, R Ostonen, D Pandoulas, S Paoletti, P Paolucci, H.K Park, G Pascale, G Passaleva, S Patricelli, T Paul, M Pauluzzi, C Paus, F Pauss, D Peach, Y.J Pei, S Pensotti, D Perret-Gallix, S Petrak, A Pevsner, D Piccolo, M Pieri, J.C Pinto, P.A Piroué, E Pistolesi, V Plyaskin, M Pohl, V Pojidaev, H Postema, N Produit, R Raghavan, G Rahal-Callot, P.G Rancoita, M Rattaggi, G Raven, P Razis, K Read, D Ren, M Rescigno, S Reucroft, T van Rhee, A Ricker, S Riemann, B.C Riemers, K Riles, S Ro, A Robohm, J Rodin, F.J Rodriguez, B.P Roe, S Röhner, L Romero, S Rosier-Lees, Ph Rosselet, W van Rossum, S Roth, J.A Rubio, H Rykaczewski, J Salicio, E Sanchez, A Santocchia, M.E Sarakinos, S Sarkar, M Sassowsky, C Schäfer, V Schegelsky, S Schmidt-Kaerst, D Schmitz, P Schmitz, M Schneegans, B Schoeneich, N Scholz, H Schopper, D.J Schotanus, R Schulte, K Schultze, J Schwenke, G Schwering, C Sciacca, D Sciarrino, J.C Sens, L Servoli, S Shevchenko, N Shivarov, V Shoutko, J Shukla, E Shumilov, T Siedenburg, D Son, A Sopczak, B Smith, P Spillantini, M Steuer, D.P Stickland, F Sticozzi, H Stone, B Stoyanov, A Straessner, K Strauch, K Sudhakar, G Sultanov, L.Z Sun, G.F Susinno, H Suter, J.D Swain, X.W Tang, L Tauscher, L Taylor, Samuel C.C Ting, S.M Ting, O Toker, F Tonisch, M Tonutti, S.C Tonwar, J Tóth, A Tsaregorodtsev, C Tully, H Tuchscherer, K.L Tung, J Ulbricht, U Uwer, E Valente, R.T Van de Walle, I Vetlitsky, G Viertel, M Vivargent, R Völkert, H Vogel, H Vogt, I Vorobiev, A.A Vorobyov, An.A Vorobyov, A Vorvolakos, M Wadhwa, W Wallraff, J.C Wang, X.L Wang, Y.F Wang, Z.M Wang, A Weber, F Wittgenstein, S.X Wu, S Wynhoff, J Xu, Z.Z Xu, B.Z Yang, C.G Yang, X.Y Yao, J.B Ye, S.C Yeh, J.M You, C Zaccardelli, An Zalite, P Zemp, Y Zeng, Z Zhang, Z.P Zhang, B Zhou, Y Zhou, G.Y Zhu, R.Y Zhu, and A Zichichi

Subjects
Physics, Nuclear and High Energy Physics, Particle physics, Range (particle radiation), Annihilation, Muon, Physics::Instrumentation and Detectors, 010308 nuclear & particles physics, Astrophysics::High Energy Astrophysical Phenomena, Electron–positron annihilation, High Energy Physics::Phenomenology, Electron, 01 natural sciences, 7. Clean energy, Nuclear physics, MAJORANA, 0103 physical sciences, High Energy Physics::Experiment, Neutrino, Nuclear Experiment, 010306 general physics, Lepton
Abstract

A search for unstable sequential neutral and charged heavy leptons has been made at center-of-mass energies 130 and 136 GeV with the L3 detector at LEP. The neutral leptons are assumed to decay via mixing to electrons and muons. No evidence for their existence was found. We exclude unstable Dirac neutrinos for masses below 59.3 (57.9) GeV and unstable Majorana neutrinos below 48.6 (47.2) GeV if the neutrino couples to the electron(muon) family. We exclude unstable charged heavy leptons for masses below 61 GeV for a wide range of the associated neutral lepton mass.

Published
1996

46. Search for supersymmetric particles at at LEP

Author

M Acciarri, A Adam, O Adriani, M Aguilar-Benitez, S Ahlen, B Alpat, J Alcaraz, G Alemanni, J Allaby, A Aloisio, G Alverson, M.G Alviggi, G Ambrosi, H Anderhub, V.P Andreev, T Angelescu, D Antreasyan, A Arefiev, T Azemoon, T Aziz, P Bagnaia, L Baksay, R.C Ball, S Banerjee, K Banicz, R Barillère, L Barone, P Bartalini, A Baschirotto, M Basile, R Battiston, A Bay, F Becattini, U Becker, F Behner, J Berdugo, P Berges, B Bertucci, B.L Betev, M Biasini, A Biland, G.M Bilei, J.J Blaising, S.C Blyth, G.J Bobbink, R Bock, A Böhm, B Borgia, A Boucham, D Bourilkov, M Bourquin, E Brambilla, J.G Branson, V Brigljevic, I.C Brock, A Buijs, A Bujak, J.D Burger, W.J Burger, J Busenitz, A Buytenhuijs, X.D Cai, M Campanelli, M Capell, G.Cara Romeo, M Caria, G Carlino, A.M Cartacci, J Casaus, G Castellini, R Castello, F Cavallari, N Cavallo, C Cecchi, M Cerrada, F Cesaroni, M Chamizo, A Chan, Y.H Chang, U.K Chaturvedi, M Chemarin, A Chen, C Chen, G Chen, G.M Chen, H.F Chen, H.S Chen, X Chereau, G Chiefari, C.Y Chien, M.T Choi, L Cifarelli, F Cindolo, C Civinini, I Clare, R Clare, H.O Cohn, G Coignet, A.P Colijn, N Colino, V Commichau, S Costantini, F Cotorobai, B de la Cruz, T.S Dai, R D'Alessandro, R de Asmundis, H De Boeck, A Degré, K Deiters, P Denes, F DeNotaristefani, D DiBitonto, M Diemoz, D van Dierendonck, F Di Lodovico, C Dionisi, M Dittmar, A Dominguez, A Doria, I Dorne, M.T Dova, E Drago, D Duchesneau, P Duinker, I Duran, S Dutta, S Easo, Yu Efremenko, H El Mamouni, A Engler, F.J Eppling, F.C Erné, J.P Ernenwein, P Extermann, M Fabre, R Faccini, S Falciano, A Favara, J Fay, M Felcini, T Ferguson, D Fernandez, F Ferroni, H Fesefeldt, E Fiandrini, J.H Field, F Filthaut, P.H Fisher, G Forconi, L Fredj, K Freudenreich, Yu Galaktionov, S.N Ganguli, S.S Gau, S Gentile, J Gerald, N Gheordanescu, S Giagu, S Goldfarb, J Goldstein, Z.F Gong, A Gougas, G Gratta, M.W Gruenewald, V.K Gupta, A Gurtu, L.J Gutay, K Hangarter, B Hartmann, A Hasan, J.T He, T Hebbeker, A Hervé, W.C van Hoek, H Hofer, H Hoorani, S.R Hou, G Hu, M.M Ilyas, V Innocente, H Janssen, B.N Jin, L.W Jones, P de Jong, I Josa-Mutuberria, A Kasser, R.A Khan, Yu Kamyshkov, P Kapinos, J.S Kapustinsky, Y Karyotakis, M Kaur, M.N Kienzle-Focacci, D Kim, J.K Kim, S.C Kim, Y.G Kim, W.W Kinnison, A Kirkby, D Kirkby, J Kirkby, W Kittel, A Klimentov, A.C König, A Köngeter, I Korolko, V Koutsenko, A Koulbardis, R.W Kraemer, T Kramer, W Krenz, H Kuijten, A Kunin, P.Ladron de Guevara, G Landi, C Lapoint, K Lassila-Perini, M Lebeau, A Lebedev, P Lebrun, P Lecomte, P Lecoq, P Le Coultre, J.S Lee, K.Y Lee, J.M Le Goff, R Leiste, M Lenti, E Leonardi, P Levtchenko, C Li, E Lieb, W.T Lin, F.L Linde, B Lindemann, L Lista, Z.A Liu, W Lohmann, E Longo, W Lu, Y.S Lu, K Lübelsmeyer, C Luci, D Luckey, L Ludovici, L Luminari, W Lustermann, W.G Ma, A Macchiolo, M Maity, G Majumder, L Malgeri, A Malinin, C Maña, S Mangla, P Marchesini, A Marin, J.P Martin, F Marzano, G.G.G Massaro, K Mazumdar, D McNally, R.R McNeil, S Mele, L Merola, M Meschini, W.J Metzger, M von der Mey, Y Mi, A Mihul, A.J.W van Mil, G Mirabelli, J Mnich, M Möller, B Monteleoni, R Moore, S Morganti, R Mount, S Müller, F Muheim, E Nagy, S Nahn, M Napolitano, F Nessi-Tedaldi, H Newman, A Nippe, H Nowak, G Organtini, R Ostonen, D Pandoulas, S Paoletti, P Paolucci, H.K Park, G Pascale, G Passaleva, S Patricelli, T Paul, M Pauluzzi, C Paus, F Pauss, D Peach, Y.J Pei, S Pensotti, D Perret-Gallix, S Petrak, A Pevsner, D Piccolo, M Pieri, J.C Pinto, P.A Piroué, E Pistolesi, V Plyaskin, M Pohl, V Pojidaev, H Postema, N Produit, R Raghavan, G Rahal-Callot, P.G Rancoita, M Rattaggi, G Raven, P Razis, K Read, M Redaelli, D Ren, M Rescigno, S Reucroft, A Ricker, S Riemann, B.C Riemers, K Riles, S Ro, A Robohm, J Rodin, F.J Rodriguez, B.P Roe, S Röhner, L Romero, S Rosier-Lees, Ph Rosselet, W van Rossum, S Roth, J.A Rubio, H Rykaczewski, J Salicio, E Sanchez, A Santocchia, M.E Sarakinos, S Sarkar, M Sassowsky, C Schäfer, V Schegelsky, S Schmidt-Kaerst, D Schmitz, P Schmitz, M Schneegans, B Schoeneich, N Scholz, H Schopper, D.J Schotanus, R Schulte, K Schultze, J Schwenke, G Schwering, C Sciacca, D Sciarrino, J.C Sens, L Servoli, S Shevchenko, N Shivarov, V Shoutko, J Shukla, E Shumilov, T Siedenburg, D Son, A Sopczak, B Smith, P Spillantini, M Steuer, D.P Stickland, F Sticozzi, H Stone, B Stoyanov, A Straessner, K Strauch, K Sudhakar, G Sultanov, L.Z Sun, G.F Susinno, H Suter, J.D Swain, X.W Tang, L Tauscher, L Taylor, Samuel C.C Ting, S.M Ting, O Toker, F Tonisch, M Tonutti, S.C Tonwar, J Tóth, A Tsaregorodtsev, C Tully, H Tuchscherer, K.L Tung, J Ulbricht, U Uwer, E Valente, R.T Van de Walle, I Vetlitsky, G Viertel, M Vivargent, R Völkert, H Vogel, H Vogt, I Vorobiev, A.A Vorobyov, An.A Vorobyov, A Vorvolakos, M Wadhwa, W Wallraff, J.C Wang, X.L Wang, Y.F Wang, Z.M Wang, A Weber, F Wittgenstein, S.X Wu, S Wynhoff, J Xu, Z.Z Xu, B.Z Yang, C.G Yang, X.Y Yao, J.B Ye, S.C Yeh, J.M You, C Zaccardelli, An Zalite, P Zemp, J.Y Zeng, Y Zeng, Z Zhang, Z.P Zhang, B Zhou, G.J Zhou, Y Zhou, G.Y Zhu, R.Y Zhu, and A Zichichi

Subjects
Quark, Physics, Nuclear and High Energy Physics, Particle physics, Luminosity (scattering theory), 010308 nuclear & particles physics, Electron–positron annihilation, High Energy Physics::Phenomenology, Supersymmetry, 01 natural sciences, 7. Clean energy, law.invention, Nuclear physics, Chargino, law, 0103 physical sciences, Neutralino, High Energy Physics::Experiment, 010306 general physics, Collider
Abstract

A search for supersymmetric particles (charginos, neutralinos, sleptons and stop quarks) has been performed with data collected by the L3 detector during the November 1995 run of the LEP collider at centre of mass energies between 130 and 140 GeV with a total integrated luminosity of 5.1 pb−1. We observe no signal for supersymmetric particles and we set improved exclusion limits on their production cross sections and masses.

Published
1996

47. Measurement of muon-pair production at at LEP

Author

M. Acciarri, A. Adam, O. Adriani, M. Aguilar-Benitez, S. Ahlen, B. Alpat, J. Alcaraz, G. Alemanni, J. Allaby, A. Aloisio, G. Alverson, M.G. Alviggi, G. Ambrosi, H. Anderhub, V.P. Andreev, T. Angelescu, D. Antreasyan, A. Arefiev, T. Azemoon, T. Aziz, P. Bagnaia, L. Baksay, R.C. Ball, S. Banerjee, K. Banicz, R. Barillère, L. Barone, P. Bartalini, A. Baschirotto, M. Basile, R. Battiston, A. Bay, F. Becattini, U. Becker, F. Behner, J. Berdugo, P. Berges, B. Bertucci, B.L. Betev, M. Biasini, A. Biland, G.M. Bilei, J.J. Blaising, S.C. Blyth, G.J. Bobbink, R. Bock, A. Böhm, B. Borgia, A. Boucham, D. Bourilkov, M. Bourquin, D. Boutigny, E. Brambilla, J.G. Branson, V. Brigljevic, I.C. Brock, A. Buijs, A. Bujak, J.D. Burger, W.J. Burger, J. Busenitz, A. Buytenhuijs, X.D. Cai, M. Campanelli, M. Capell, G. Cara Romeo, M. Caria, G. Carlino, A.M. Cartacci, J. Casaus, G. Castellini, R. Castello, F. Cavallari, N. Cavallo, C. Cecchi, M. Cerrada, F. Cesaroni, M. Chamizo, A. Chan, Y.H. Chang, U.K. Chaturvedi, M. Chemarin, A. Chen, C. Chen, G. Chen, G.M. Chen, H.F. Chen, H.S. Chen, M. Chen, G. Chiefari, C.Y. Chien, M.T. Choi, L. Cifarelli, F. Cindolo, C. Civinini, I. Clare, R. Clare, H.O. Cohn, G. Coignet, A.P. Colijn, N. Colino, V. Commichau, S. Costantini, F. Cotorobai, B. de la Cruz, T.S. Dai, R. D'Alessandro, R. de Asmundis, H. De Boeck, A. Degré, K. Deiters, P. Denes, F. DeNotaristefani, D. DiBitonto, M. Diemoz, D. van Dierendonck, F. Di Lodovico, C. Dionisi, M. Dittmar, A. Dominguez, A. Doria, I. Dorne, M.T. Dova, E. Drago, D. Duchesneau, P. Duinker, I. Duran, S. Dutta, S. Easo, Yu. Efremenko, H. El Mamouni, A. Engler, F.J. Eppling, F.C. Erné, J.P. Ernenwein, P. Extermann, M. Fabre, R. Faccini, S. Falciano, A. Favara, J. Fay, M. Felcini, T. Ferguson, D. Fernandez, F. Ferroni, H. Fesefeldt, E. Fiandrini, J.H. Field, F. Filthaut, P.H. Fisher, G. Forconi, L. Fredj, K. Freudenreich, Yu. Galaktionov, S.N. Ganguli, S.S. Gau, S. Gentile, J. Gerald, N. Gheordanescu, S. Giagu, S. Goldfarb, J. Goldstein, Z.F. Gong, A. Gougas, G. Gratta, M.W. Gruenewald, V.K. Gupta, A. Gurtu, L.J. Gutay, K. Hangarter, B. Hartmann, A. Hasan, J.T. He, T. Hebbeker, A. Hervé, W.C. van Hoek, H. Hofer, H. Hoorani, S.R. Hou, G. Hu, M.M. Ilyas, V. Innocente, H. Janssen, B.N. Jin, L.W. Jones, P. de Jong, I. Josa-Mutuberria, A. Kasser, R.A. Khan, Yu. Kamyshkov, P. Kapinos, J.S. Kapustinsky, Y. Karyotakis, M. Kaur, M.N. Kienzle-Focacci, D. Kim, J.K. Kim, S.C. Kim, Y.G. Kim, W.W. Kinnison, A. Kirkby, D. Kirkby, J. Kirkby, W. Kittel, A. Klimentov, A.C. König, A. Köngeter, I. Korolko, V. Koutsenko, A. Koulbardis, R.W. Kraemer, T. Kramer, W. Krenz, H. Kuijten, A. Kunin, P. Ladron de Guevara, G. Landi, C. Lapoint, K. Lassila-Perini, M. Lebeau, A. Lebedev, P. Lebrun, P. Lecomte, P. Lecoq, P. Le Coultre, J.S. Lee, K.Y. Lee, C. Leggett, J.M. Le Goff, R. Leiste, M. Lenti, E. Leonardi, P. Levtchenko, C. Li, E. Lieb, W.T. Lin, F.L. Linde, B. Lindemann, L. Lista, Z.A. Liu, W. Lohmann, E. Longo, W. Lu, Y.S. Lu, K. Lübelsmeyer, C. Luci, D. Luckey, L. Ludovici, L. Luminari, W. Lustermann, W.G. Ma, A. Macchiolo, M. Maity, G. Majumder, L. Malgeri, A. Malinin, C. Maña, S. Mangla, P. Marchesini, A. Marin, J.P. Martin, F. Marzano, G.G.G. Massaro, K. Mazumdar, D. McNally, S. Mele, L. Merola, M. Meschini, W.J. Metzger, M. von der Mey, Y. Mi, A. Mihul, A.J.W. van Mil, G. Mirabelli, J. Mnich, M. Möller, B. Monteleoni, R. Moore, S. Morganti, R. Mount, S. Müller, F. Muheim, E. Nagy, S. Nahn, M. Napolitano, F. Nessi-Tedaldi, H. Newman, A. Nippe, H. Nowak, G. Organtini, R. Ostonen, D. Pandoulas, S. Paoletti, P. Paolucci, H.K. Park, G. Pascale, G. Passaleva, S. Patricelli, T. Paul, M. Pauluzzi, C. Paus, F. Pauss, D. Peach, Y.J. Pei, S. Pensotti, D. Perret-Gallix, S. Petrak, A. Pevsner, D. Piccolo, M. Pieri, J.C. Pinto, P.A. Piroué, E. Pistolesi, V. Plyaskin, M. Pohl, V. Pojidaev, H. Postema, N. Produit, R. Raghavan, G. Rahal-Callot, P.G. Rancoita, M. Rattaggi, G. Raven, P. Razis, K. Read, M. Redaelli, D. Ren, M. Rescigno, S. Reucroft, A. Ricker, S. Riemann, B.C. Riemers, K. Riles, O. Rind, S. Ro, A. Robohm, J. Rodin, F.J. Rodriguez, B.P. Roe, S. Röhner, L. Romero, S. Rosier-Lees, Ph. Rosselet, W. van Rossum, S. Roth, J.A. Rubio, H. Rykaczewski, J. Salicio, E. Sanchez, A. Santocchia, M.E. Sarakinos, S. Sarkar, M. Sassowsky, G. Sauvage, C. Schäfer, V. Schegelsky, S. Schmidt-Kaerst, D. Schmitz, P. Schmitz, M. Schneegans, B. Schoeneich, N. Scholz, H. Schopper, D.J. Schotanus, R. Schulte, K. Schultze, J. Schwenke, G. Schwering, C. Sciacca, D. Sciarrino, J.C. Sens, L. Servoli, S. Shevchenko, N. Shivarov, V. Shoutko, J. Shukla, E. Shumilov, T. Siedenburg, D. Son, A. Sopczak, V. Soulimov, B. Smith, P. Spillantini, M. Steuer, D.P. Stickland, F. Sticozzi, H. Stone, B. Stoyanov, A. Straessner, K. Strauch, K. Sudhakar, G. Sultanov, L.Z. Sun, G.F. Susinno, H. Suter, J.D. Swain, X.W. Tang, L. Tauscher, L. Taylor, Samuel C.C. Ting, S.M. Ting, O. Toker, F. Tonisch, M. Tonutti, S.C. Tonwar, J. Tóth, A. Tsaregorodtsev, C. Tully, H. Tuchscherer, K.L. Tung, J. Ulbricht, U. Uwer, E. Valente, R.T. Van de Walle, I. Vetlitsky, G. Viertel, M. Vivargent, R. Völkert, H. Vogel, H. Vogt, I. Vorobiev, A.A. Vorobyov, An.A. Vorobyov, A. Vorvolakos, M. Wadhwa, W. Wallraff, J.C. Wang, X.L. Wang, Y.F. Wang, Z.M. Wang, A. Weber, F. Wittgenstein, S.X. Wu, S. Wynhoff, J. Xu, Z.Z. Xu, B.Z. Yang, C.G. Yang, X.Y. Yao, J.B. Ye, S.C. Yeh, J.M. You, C. Zaccardelli, An. Zalite, P. Zemp, J.Y. Zeng, Y. Zeng, Z. Zhang, Z.P. Zhang, B. Zhou, G.J. Zhou, Y. Zhou, G.Y. Zhu, R.Y. Zhu, and A. Zichichi

Subjects
Physics, Nuclear and High Energy Physics, Range (particle radiation), Particle physics, Luminosity (scattering theory), Muon, Photon, 010308 nuclear & particles physics, Detector, Charge (physics), 7. Clean energy, 01 natural sciences, Resonance (particle physics), Nuclear physics, Pair production, 0103 physical sciences, High Energy Physics::Experiment, 010306 general physics
Abstract

Using the data recorded with the L3 detector at LEP, we study the process e + e − → μ + μ − ( γ ) for events with hard initial-state photon radiation. The effective centre-of-mass energies of the muons range from 50 GeV to 86 GeV. The data sample corresponds to an integrated luminosity of 103.5 pb −1 and yields 293 muon-pair events with a hard photon along the beam direction. The events are used to determine the cross sections and the forward-backward charge asymmetries at centre-of-mass energies below the Z resonance.

Published
1996

48. Search for excited leptons in e+e− annihilation at = 130-140

Author

M. Acciarri, A. Adam, O. Adriani, M. Aguilar-Benitez, S. Ahlen, B. Alpat, J. Alcaraz, J. Allaby, A. Aloisio, G. Alverson, M.G. Alviggi, G. Ambrosi, H. Anderhub, V.P. Andreev, T. Angelescu, D. Antreasyan, A. Arefiev, T. Azemoon, T. Aziz, P. Bagnaia, L. Baksay, R.C. Ball, S. Banerjee, K. Banicz, R. Barillère, L. Barone, P. Bartalini, A. Baschirotto, M. Basile, R. Battiston, A. Bay, F. Becattini, U. Becker, F. Behner, Gy.L. Bencze, J. Berdugo, P. Berges, B. Bertucci, B.L. Betev, M. Biasini, A. Biland, G.M. Bilei, J.J. Blaising, S.C. Blyth, G.J. Bobbink, R. Bock, A. Böhm, B. Borgia, A. Boucham, D. Bourilkov, M. Bourquin, D. Boutigny, E. Brambilla, J.G. Branson, V. Brigljevic, I.C. Brock, A. Buijs, A. Bujak, J.D. Burger, W.J. Burger, C. Burgos, J. Busenitz, A. Buytenhuijs, X.D. Cai, M. Campanelli, M. Capell, G. Cara Romeo, M. Caria, G. Carlino, A.M. Cartacci, J. Casaus, G. Castellini, R. Castello, F. Cavallari, N. Cavallo, C. Cecchi, M. Cerrada, F. Cesaroni, M. Chamizo, A. Chan, Y.H. Chang, U.K. Chaturvedi, M. Chemarin, A. Chen, C. Chen, G. Chen, G.M. Chen, H.F. Chen, H.S. Chen, X. Chereau, G. Chiefari, C.Y. Chien, M.T. Choi, L. Cifarelli, F. Cindolo, C. Civinini, I. Clare, R. Clare, T.E. Coan, H.O. Cohn, G. Coignet, A.P. Colijn, N. Colino, V. Commichau, S. Costantini, F. Cotorobai, B. de la Cruz, T.S. Dai, R. D'Alessandro, R. de Asmundis, H. De Boeck, A. Degré, K. Deiters, E. Dénes, P. Denes, F. DeNotaristefani, D. DiBitonto, M. Diemoz, D. van Dierendonck, F. Di Lodovico, C. Dionisi, M. Dittmar, A. Dominguez, A. Doria, I. Dorne, M.T. Dova, E. Drago, D. Duchesneau, P. Duinker, I. Duran, S. Dutta, S. Easo, Yu. Efremenko, H. El Mamouni, A. Engler, F.J. Eppling, F.C. Erné, J.P. Ernenwein, P. Extermann, R. Fabbretti, M. Fabre, R. Faccini, S. Falciano, A. Favara, J. Fay, M. Felcini, T. Ferguson, D. Fernandez, G. Fernandez, F. Ferroni, H. Fesefeldt, E. Fiandrini, J.H. Field, F. Filthaut, P.H. Fisher, G. Forconi, L. Fredj, K. Freudenreich, M. Gailloud, Yu. Galaktionov, S.N. Ganguli, P. Garcia-Abia, S.S. Gau, S. Gentile, J. Gerald, N. Gheordanescu, S. Giagu, S. Goldfarb, J. Goldstein, Z.F. Gong, E. Gonzalez, A. Gougas, D. Goujon, G. Gratta, M.W. Gruenewald, V.K. Gupta, A. Gurtu, H.R. Gustafson, L.J. Gutay, K. Hangarter, B. Hartmann, A. Hasan, J.T. He, T. Hebbeker, A. Hervé, W.C. van Hoek, H. Hofer, H. Hoorani, S.R. Hou, G. Hu, M.M. Ilyas, V. Innocente, H. Janssen, B.N. Jin, L.W. Jones, P. de Jong, I. Josa-Mutuberria, A. Kasser, R.A. Khan, Yu. Kamyshkov, P. Kapinos, J.S. Kapustinsky, Y. Karyotakis, M. Kaur, M.N. Kienzle-Focacci, D. Kim, J.K. Kim, S.C. Kim, Y.G. Kim, W.W. Kinnison, A. Kirkby, D. Kirkby, J. Kirkby, W. Kittel, A. Klimentov, A.C. König, E. Koffeman, A. Köngeter, V. Koutsenko, A. Koulbardis, R.W. Kraemer, T. Kramer, W. Krenz, H. Kuijten, A. Kunin, P. Ladron de Guevara, G. Landi, C. Lapoint, K. Lassila-Perini, P. Laurikainen, M. Lebeau, A. Lebedev, P. Lebrun, P. Lecomte, P. Lecoq, P. Le Coultre, J.S. Lee, K.Y. Lee, C. Leggett, J.M. Le Goff, R. Leiste, M. Lenti, E. Leonardi, P. Levtchenko, C. Li, E. Lieb, W.T. Lin, F.L. Linde, B. Lindemann, L. Lista, Z.A. Liu, W. Lohmann, E. Longo, W. Lu, Y.S. Lu, K. Lübelsmeyer, C. Luci, D. Luckey, L. Ludovici, L. Luminari, W. Lustermann, W.G. Ma, A. Macchiolo, M. Maity, G. Majumder, L. Malgeri, A. Malinin, C. Maña, S. Mangla, M. Maolinbay, P. Marchesini, A. Marin, J.P. Martin, F. Marzano, G.G.G. Massaro, K. Mazumdar, D. McNally, R.R. McNeil, S. Mele, L. Merola, M. Meschini, W.J. Metzger, M. von der Mey, Y. Mi, A. Mihul, A.J.W. van Mil, G. Mirabelli, J. Mnich, M. Möller, B. Monteleoni, R. Moore, S. Morganti, R. Mount, S. Müller, F. Muheim, E. Nagy, S. Nahn, M. Napolitano, F. Nessi-Tedaldi, H. Newman, A. Nippe, H. Nowak, G. Organtini, R. Ostonen, D. Pandoulas, S. Paoletti, P. Paolucci, H.K. Park, G. Pascale, G. Passaleva, S. Patricelli, T. Paul, M. Pauluzzi, C. Paus, F. Pauss, Y.J. Pei, S. Pensotti, D. Perret-Gallix, S. Petrak, A. Pevsner, D. Piccolo, M. Pieri, J.C. Pinto, P.A. Piroué, E. Pistolesi, V. Plyaskin, M. Pohl, V. Pojidaev, H. Postema, N. Produit, R. Raghavan, G. Rahal-Callot, P.G. Rancoita, M. Rattaggi, G. Raven, P. Razis, K. Read, M. Redaelli, D. Ren, M. Rescigno, S. Reucroft, A. Ricker, S. Riemann, B.C. Riemers, K. Riles, O. Rind, S. Ro, A. Robohm, J. Rodin, F.J. Rodriguez, B.P. Roe, S. Röhner, L. Romero, S. Rosier-Lees, Ph. Rosselet, W. van Rossum, S. Roth, J.A. Rubio, H. Rykaczewski, J. Salicio, J.M. Salicio, E. Sanchez, A. Santocchia, M.E. Sarakinos, S. Sarkar, M. Sassowsky, C. Schäfer, V. Schegelsky, S. Schmidt-Kaerst, D. Schmitz, P. Schmitz, M. Schneegans, B. Schoeneich, N. Scholz, H. Schopper, D.J. Schotanus, R. Schulte, K. Schultze, J. Schwenke, G. Schwering, C. Sciacca, P.G. Seiler, J.C. Sens, L. Servoli, S. Shevchenko, N. Shivarov, V. Shoutko, J. Shukla, E. Shumilov, T. Siedenburg, D. Son, A. Sopczak, V. Soulimov, B. Smith, P. Spillantini, M. Steuer, D.P. Stickland, F. Sticozzi, H. Stone, B. Stoyanov, A. Straessner, K. Strauch, K. Sudhakar, G. Sultanov, L.Z. Sun, G.F. Susinno, H. Suter, J.D. Swain, X.W. Tang, L. Tauscher, L. Taylor, Samuel C.C. Ting, S.M. Ting, O. Toker, F. Tonisch, M. Tonutti, S.C. Tonwar, J. Tóth, A. Tsaregorodtsev, C. Tully, H. Tuchscherer, K.L. Tung, J. Ulbricht, L. Urbán, U. Uwer, E. Valente, R.T. Van de Walle, I. Vetlitsky, G. Viertel, M. Vivargent, R. Völkert, H. Vogel, H. Vogt, I. Vorobiev, A.A. Vorobyov, An.A. Vorobyov, L. Vuilleumier, M. Wadhwa, W. Wallraff, J.C. Wang, X.L. Wang, Y.F. Wang, Z.M. Wang, A. Weber, R. Weill, C. Willmott, F. Wittgenstein, S.X. Wu, S. Wynhoff, J. Xu, Z.Z. Xu, B.Z. Yang, C.G. Yang, X.Y. Yao, J.B. Ye, S.C. Yeh, J.M. You, C. Zaccardelli, An. Zalite, P. Zemp, J.Y. Zeng, Y. Zeng, Z. Zhang, Z.P. Zhang, B. Zhou, G.J. Zhou, Y. Zhou, G.Y. Zhu, R.Y. Zhu, A. Zichichi, and B.C.C. van der Zwaan

Subjects
Physics, Nuclear and High Energy Physics, Particle physics, Annihilation, 010308 nuclear & particles physics, Electron–positron annihilation, Electron, 7. Clean energy, 01 natural sciences, Nuclear physics, Excited state, 0103 physical sciences, High Energy Physics::Experiment, Neutrino, Nuclear Experiment, 010306 general physics, Lepton
Abstract

We report on a search for the excited leptons e ∗ , μ ∗ , τ ∗ and ν ∗ in e + e − collisions at s = 130-140 GeV using the L3 detector at LEP. No evidence has been found for their existence. From an analysis of the expected pair produced l ∗ l ∗ in the channels eeγγ, μμγγ, ττγγ, eeWW, and ννγγ, we determine the lower mass limits at 95% C.L. of 64.7 GeV for e ∗ , 64.9 GeV for μ ∗ , 64.2 GeV for τ ∗ , 57.3 GeV (eW decay mode) and 61.4 GeV (νγ decay mode) for ν ∗ . From an analysis of the expected singly produced ll ∗ in the channels eeγ, μμγ, ττγ, νeW and ννγ, we determine upper limits on the couplings λ m l ∗ up to m l ∗ = 130 GeV .

Published
1996

49. Search for anomalous Z → γγγ events at LEP

Author

M. Acciarri, A. Adam, O. Adriani, M. Aguilar-Benitez, S. Ahlen, J. Alcaraz, A. Aloisio, G. Alverson, M.G. Alviggi, G. Ambrosi, Q. An, H. Anderhub, A.L. Anderson, V.P. Andreev, T. Angelescu, L. Antonov, D. Antreasyan, G. Alkhazov, P. Arce, A. Arefiev, T. Azemoon, T. Aziz, P.V.K.S. Baba, P. Bagnaia, J.A. Bakken, L. Baksay, R.C. Ball, S. Banerjee, K. Banicz, R. Barillère, L. Barone, A. Baschirotto, M. Basile, R. Battiston, A. Bay, F. Becattini, U. Becker, F. Behner, Gy.L. Bencze, J. Berdugo, P. Berges, B. Bertucci, B.L. Betev, M. Biasini, A. Biland, G.M. Bilei, R. Bizzarri, J.J. Blaising, G.J. Bobbink, R. Bock, A. Böhm, B. Borgia, A. Boucham, D. Bourilkov, M. Bourquin, D. Boutigny, B. Bouwens, E. Brambilla, J.G. Branson, V. Brigljevic, I.C. Brock, M. Brooks, A. Bujak, J.D. Burger, W.J. Burger, C. Burgos, J. Busenitz, A. Buytenhuijs, A. Bykov, X.D. Cai, M. Capell, G. Cara Romeo, M. Caria, G. Carlino, A.M. Cartacci, J. Casaus, R. Castello, N. Cavallo, M. Cerrada, F. Cesaroni, M. Chamizo, Y.H. Chang, U.K. Chaturvedi, M. Chemarin, A. Chen, C. Chen, G. Chen, G.M. Chen, H.F. Chen, H.S. Chen, M. Chen, G. Chiefari, C.Y. Chien, M.T. Choi, S. Chung, L. Cifarelli, F. Cindolo, C. Civinini, I. Clare, R. Clare, T.E. Coan, H.O. Cohn, G. Coignet, N. Colino, V. Commichau, S. Costantini, F. Cotorobai, B. de la Cruz, X.T. Cui, X.Y. Cui, T.S. Dai, R. D'Alessandro, R. de Asmundis, A. Degré, K. Deiters, E. Dénes, P. Denes, F. DeNotaristefani, D. DiBitonto, M. Diemoz, H.R. Dimitrov, C. Dionisi, M. Dittmar, I. Dorne, M.T. Dova, E. Drago, D. Duchesneau, F. Duhem, P. Duinker, I. Duran, S. Dutta, S. Easo, H. El Mamouni, A. Engler, F.J. Eppling, F.C. Erné, P. Extermann, R. Fabbretti, M. Fabre, S. Falciano, A. Favara, J. Fay, M. Felcini, T. Ferguson, D. Fernandez, G. Fernandez, F. Ferroni, H. Fesefeldt, E. Fiandrini, J.H. Field, F. Filthaut, P.H. Fisher, G. Forconi, L. Fredj, K. Freudenreich, M. Gailloud, Yu. Galaktionov, E. Gallo, S.N. Ganguli, P. Garcia-Abia, S.S. Gau, S. Gentile, J. Gerald, N. Gheordanescu, S. Giagu, S. Goldfarb, J. Goldstein, Z.F. Gong, E. Gonzalez, A. Gougas, D. Goujon, G. Gratta, M.W. Gruenewald, C. Gu, M. Guanziroli, V.K. Gupta, A. Gurtu, H.R. Gustafson, L.J. Gutay, B. Hartmann, A. Hasan, D. hauschildt, J.T. He, T. Hebbeker, M. Hebert, A. Hervé, K. Hilgers, H. Hofer, H. Hoorani, S.R. Hou, G. Hu, B. Ille, M.M. Ilyas, V. Innocente, H. Janssen, B.N. Jin, L.W. Jones, P. de Jong, I. Josa-Mutuberria, A. Kasser, R.A. Khan, Yu. Kamyshkov, P Kapinos, J.S. Kapustinsky, Y. Karyotakis, M. Kaur, S. Khokhar, M.N. Kienzle-Focacci, D. Kim, J.K. Kim Do, S.C. Kim, Y.G. Kim, W.W. Kinnison, A. Kirkby, D. Kirkby, J. Kirkby, S. Krsch, W. Kittel, A. Klimentov, A.C. König, E. Koffeman, O. Kornadt, V. Koutsenko, A. Koulbardis, R.W. Kraemer, T. Kramer, V.R. Krastev, W. Krenz, H. Kuijten, A. Kunin, P. Ladron de Guevara, G. Landi, S. Lanzano, P. Laurikainen, A. Lebedev, P. Lebrun, P. Lecomte, P. Lecoq, P Le Coultre, D.M. Lee, J.S. Lee, K.Y. Lee, I. Leedom, C. Leggett, J.M. LeGoff, R. Leiste, M. Lenti, E. Leonardi, P Levtchenko, C. Li, E. Lieb, W.T. Lin, EL. Linde, B. Lindemann, L. Lista, Y. Liu, W. Lohmann, E. Longo, W. Lu, Y.S. Lu, J.M. Lubbers, K. Liibelsmeyer, C. Luci, D. Luckey, L. Ludovici, L. Luminari, W. Lustermann, W.G. Ma, M. MacDermott, M. Maity, L. Malgeri, R. Malik, A. Malinin, C. Maña, S. Mangla, M. Maolinbay, P. Marchesini, A. Marin, J.P Martin, F. Marzano, G.G.G. Massaro, K. Mazumdar, T. McMahon, D. McNally, S. Mele, M. Merkah, L. Merola, M. Meschini, W.J. Metzger, Y. Mi, A. Mihu, G.B. Mills, Y. Mir, G. Mirabelli, J. Mnich, M. Möller, V. Monaco, B. Monteleoni, R. Morand, S. Morganti, N.E. Moulai, R. Mount, S. Müller, E. Nagy, M. Napolitano, F. Nessi-Tedaldi, H. Newman, M.A. Niaz, A. Nippe, H. Nowak, G. Organtini, R. Ostonen, D. Pandoulas, S. Paoletti, P. Paolucci, G. Pascalei, G. Passaleva, S. Patricelli, T. Paul, M. Pauluzzi, C. Paus, F. Pauss, Y.J. Pei, S. Pensotti, D. Perret-Gallix, A. Pevsner, D. Piccolo, M. Pieri, J.C. Pinto, P.A. Piroué, E. Pistolesi, F. Plasil, V. Plyaskin, M. Pohl, V. Pojidaev, H. Postema, N. Produit, J.M. Qian, K.N. Qureshi, R. Raghavan, G. Rahal-Callot, PG. Rancoita, M. Rattaggi, G. Raven, P Razis, K. Read, M. Redaelli, D. Ren, Z. Ren, M. Rescigno, S. Reucroft, A. Ricker, S. Riemanna, B.C. Riemers, K. Riles, O. Rind, H.A. Rizvi, S. Ro, A. Robohm, F.J. Rodriguez, B.P. Roe, M. Röhner, S. Röhner, L. Romero, S. Rosier-Lees, R. Rosmalen, Ph. Rosselet, W. van Rossum, S. Roth, A. Rubbia, J.A. Rubio, H. Rykaczewski, J. Salicio, J.M. Salicio, E. Sanchez, G.S. Sanders, A. Santocchia, M.E. Sarakinos, S. Sarkar, G. Sartorelli, M. Sassowsky, G. Sauvage, C. Schäfer, V. Schegelsky, D. Schmitz, P Schmitz, M. Schneegans, N. Scholz, H. Schopper, D.J. Schotanus, S. Shotkin, H.J. Schreiber, J. Shukla, R. Schulte, K. Schultze, J. Schwenke, G. Schwering, C. Sciacca, R. Sehgal, P.G. Seile, J.C. Sens, L. Servoli, I. Sheer, S. Shevchenko, X.R. Shi, E. Shumilov, V. Shoutkoa, D. Son, A. Sopczak, V. Soulimov, C. Spartiotis, T. Spickermann, P Spillantini, M. Steuer, D.P Stickland, F. Sticozzi, H. Stone, K. Strauch, K. Sudhakar, G. Sultanov, L.Z. Sun, G.F. Susinno, H. Suter, J.D. Swain, A.A. Syed, X.W. Tang, L. Taylor, R. Timellini, Samuel C.C. Ting, S.M. Ting, O. Toker, M. Tonutti, S.C. Tonwar, J. Tóth, G. Trowitzsch, A. Tsaregorodtsev, G. Tsipolitis, C. Tully, J. Ulbricht, L. Urbún, U. Uwer, E. Valente, R.T. Van de Walle, I. Vetlitsky, G. Viertel, P. Vikas, U. Vikas, M. Vivargent, H. Vogel, H. Vogt, I. Vorobiev, A.A. Vorobyov, An.A. Vorobyov, L. Vuilleumier, M. Wadhwa, W. Wallraff, J.C. Wang, X.L. Wang, Y.F. Wang, Z.M. Wang, A. Weber, R. Weill, C. Willmott, F. Wittgenstein, D. Wright, S.X. Wu, S. Wynhoff, Z.Z. Xu, B.Z. Yang, C.G. Yang, G. Yang, X.Y. Yao, C.H. Ye, J.B. Ye, Q. Ye, S.C. Yeh, J.M. You, N. Yunus, M. Yzerman, C. Zaccardelli, P. Zemp, M. Zeng, Y. Zeng, D.H. Zhang, Z.P. Zhang, B. Zhou, G.J. Zhou, J.F. Zhou, R.Y. Zhu, A. Zichichi, and B.C.C. van der Zwaan

Subjects
Physics, Nuclear and High Energy Physics, Range (particle radiation), Photon, Branching fraction, Electron–positron annihilation, Magnetic monopole, Física, Context (language use), Scalar boson, Coupling (probability), Nuclear physics, High Energy Physics::Experiment, Ciencias Exactas
Abstract

We have searched for anomalous Z → γγγ events with the L3 detector at LEP. No significant deviations from the expected QED e+e− → γγγ events are observed. The branching ratio upper limit for a compoite Z decaying directly into three photons is found to be 1.0 × 10−5 at 95% C.L. The branching ratio upper limits for the process Z → γX, X → γγ are in the range of 0.4 to 1.3 × 10−5, depending on the mass and width of the scalar particle X. In the context of a model with magnetic monopoles coupling to the Z, we find BR(Z → γγγ) < 0.8 × 10−5 at 95% C.L.; this results in a lower mass limit of 510 GeV for a magnetic monopole., Facultad de Ciencias Exactas

Published
1995

50. Measurement of exclusive branching fractions of hadronic one-prong tau decays

Author

M. Acciarri, A. Adam, O. Adriani, M. Aguilar-Benitez, S. Ahlen, J. Alcaraz, A. Aloisio, G. Alverson, M.G. Alviggi, G. Ambrosi, Q. An, H. Anderhub, A.L. Anderson, V.P. Andreev, T. Angelescu, L. Antonov, D. Antreasyan, G. Alkhazov, P. Arce, A. Arefiev, T. Azemoon, T. Aziz, P.V.K.S. Baba, P. Bagnaia, J.A. Bakken, L. Baksay, R.C. Ball, S. Banerjee, K. Banicz, R. Barillère, L. Barone, A. Baschirotto, M. Basile, R. Battiston, A. Bay, F. Becattini, U. Becker, F. Behner, Gy.L. Bencze, J. Berdugo, P. Berges, B. Bertucci, B.L. Betev, M. Biasini, A. Biland, G.M. Bilei, R. Bizzarri, J.J. Blaising, G.J. Bobbink, R. Bock, A. Böhm, B. Borgia, A. Boucham, D. Bourilkov, M. Bourquin, D. Boutigny, B. Bouwens, E. Brambilla, J.G. Branson, V. Brigljevic, I.C. Brock, M. Brooks, A. Bujak, J.D. Burger, W.J. Burger, C. Burgos, J. Busenitz, A. Buytenhuijs, A. Bykov, X.D. Cai, M. Capell, G. Cara Romeo, M. Caria, G. Carlino, A.M. Cartacci, J. Casaus, R. Castello, N. Cavallo, M. Cerrada, M. Cesaroni, M. Chamizo, Y.H. Chang, U.K. Chaturvedi, M. Chemarin, A. Chen, C. Chen, G. Chen, G.M. Chen, H.F. Chen, H.S. Chen, M. Chen, G. Chiefari, C.Y. Chien, M.T. Choi, S. Chung, L. Cifarelli, F. Cindolo, C. Civinini, I. Clare, R. Clare, T.E. Coan, H.O. Cohn, G. Coignet, N. Colino, S. Costantini, F. Cotorobai, B. de la Cruz, X.T. Cui, X.Y. Cui, T.S. Dai, R. D'Alessandro, R. de Asmundis, A. Degré, K. Deiters, E. Dénes, P. Denes, F. DeNotaristefani, D. DiBitonto, M. Diemoz, H.R. Dimitrov, C. Dionisi, M. Dittmar, L. Djambazov, I. Dorne, M.T. Dova, E. Drago, D. Duchesneau, F. Duhem, P. Duinker, I. Duran, S. Dutta, S. Easo, H. El Mamouni, A. Engler, F.J. Eppling, F.C. Erné, P. Extermann, R. Fabbretti, M. Fabre, S. Falciano, A. Favara, J. Fay, M. Felcini, T. Ferguson, D. Fernandez, G. Fernandez, F. Ferroni, H. Fesefeldt, E. Fiandrini, J.H. Field, F. Filthaut, P.H. Fisher, G. Forconi, L. Fredj, K. Freudenreich, M. Gailloud, Yu. Galaktionov, E. Gallo, S.N. Ganguli, P. Garcia-Abia, S. Gentile, J. Gerald, N. Gheordanescu, S. Giagu, S. Goldfarb, J. Goldstein, Z.F. Gong, E. Gonzalez, A. Gougas, D. Goujon, G. Gratta, M.W. Gruenewald, C. Gu, M. Guanziroli, V.K. Gupta, A. Gurtu, H.R. Gustafson, L.J. Gutay, A. Hasan, D. Hauschildt, J.T. He, T. Hebbeker, M. Hebert, A. Hervé, K. Hilgers, H. Hofer, H. Hoorani, S.R. Hou, G. Hu, B. Ille, M.M. Ilyas, V. Innocente, H. Janssen, B.N. Jin, L.W. Jones, P. de Jong, I. Josa-Mutuberria, A. Kasser, R.A. Khan, Yu. Kamyshkov, P. Kapinos, J.S. Kapustinsky, Y. Karyotakis, M. Kaur, S. Khokhar, M.N. Kienzle-Focacci, D. Kim, J.K. Kim, S.C. Kim, Y.G. Kim, W.W. Kinnison, A. Kirkby, D. Kirkby, J. Kirkby, S. Kirsch, W. Kittel, A. Klimentov, A.C. König, E. Koffeman, O. Kornadt, V. Koutsenko, A. Koulbardis, R.W. Kraemer, T. Kramer, V.R. Krastev, W. Krenz, H. Kuijten, K.S. Kumar, A. Kunin, P. Ladron de Guevara, G. Landi, D. Lanske, S. Lanzano, P. Laurikainen, A. Lebedev, P. Lebrun, P. Lecomte, P. Lecoq, P. Le Coultre, D.M. Lee, J.S. Lee, K.Y. Lee, I. Leedom, C. Leggett, J.M. Le Goff, R. Leiste, M. Lenti, E. Leonardi, P. Levtchenko, C. Li, E. Lieb, W.T. Lin, F.L. Linde, B. Lindemann, L. Lista, Y. Liu, W. Lohmann, E. Longo, W. Lu, Y.S. Lu, J.M. Lubbers, K. Lübelsmeyer, C. Luci, D. Luckey, L. Ludovici, L. Luminari, W. Lustermann, W.G. Ma, M. MacDermott, M. Maity, L. Malgeri, R. Malik, A. Malinin, C. Maña, S. Mangla, M. Maolinbay, P. Marchesini, A. Marin, J.P. Martin, F. Marzano, G.G.G. Massaro, K. Mazumdar, P. McBride, T. McMahon, D. McNally, S. Mele, M. Merk, L. Merola, M. Meschini, W.J. Metzger, Y. Mi, A. Mihul, G.B. Mills, Y. Mir, G. Mirabelli, J. Mnich, M. Möller, V. Monaco, B. Monteleoni, R. Morand, S. Morganti, N.E. Moulai, R. Mount, S. Müller, E. Nagy, M. Napolitano, F. Nessi-Tedaldi, H. Newman, M.A. Niaz, A. Nippe, H. Nowak, G. Organtini, R. Ostonen, D. Pandoulas, S. Paoletti, P. Paolucci, G. Pascale, G. Passaleva, S. Patricelli, T. Paul, M. Pauluzzi, C. Paus, F. Pauss, Y.J. Pei, S. Pensotti, D. Perret-Gallix, A. Pevsner, D. Piccolo, M. Pieri, J.C. Pinto, P.A. Piroué, E. Pistolesi, F. Plasil, V. Plyaskin, M. Pohl, V. Pojidaev, H. Postema, N. Produit, J.M. Qian, K.N. Qureshi, R. Raghavan, G. Rahal-Callot, P.G. Rancoita, M. Rattaggi, G. Raven, P. Razis, K. Read, M. Redaelli, D. Ren, Z. Ren, M. Rescigno, S. Reucroft, A. Ricker, S. Riemann, B.C. Riemers, K. Riles, O. Rind, H.A. Rizvi, S. Ro, A. Robohm, F.J. Rodriguez, B.P. Roe, M. Röhner, S. Röhner, L. Romero, S. Rosier-Lees, R. Rosmalen, Ph. Rosselet, W. van Rossum, S. Roth, A. Rubbia, J.A. Rubio, H. Rykaczewski, J. Salicio, J.M. Salicio, E. Sanchez, G.S. Sanders, A. Santocchia, M.E. Sarakinos, S. Sarkar, G. Sartorelli, M. Sassowsky, G. Sauvage, H. Schäfer, V. Schegelsky, D. Schmitz, P. Schmitz, M. Schneegans, N. Scholz, H. Schopper, D.J. Schotanus, S. Shotkin, H.J. Schreiber, J. Shukla, R. Schulte, K. Schultze, J. Schwenke, G. Schwering, C. Sciacca, I. Scott, R. Sehgal, P.G. Seiler, J.C. Sens, L. Servoli, I. Sheer, S. Shevchenko, X.R. Shi, E. Shumilov, V. Shoutko, D. Son, A. Sopczak, V. Soulimov, C. Spartiotis, T. Spickermann, P. Spillantini, M. Steuer, D.P. Stickland, F. Sticozzi, H. Stone, K. Strauch, K. Sudhakar, G. Sultanov, L.Z. Sun, G.F. Susinno, H. Suter, J.D. Swain, A.A. Syed, X.W. Tang, L. Taylor, R. Timellini, Samuel C.C. Ting, S.M. Ting, O. Toker, M. Tonutti, S.C. Tonwar, J. Tóth, G. Trowitzsch, A. Tsaregorodtsev, G. Tsipolitis, C. Tully, J. Ulbricht, L. Urbán, U. Uwer, E. Valente, R.T. Van de Walle, I. Vetlitsky, G. Viertel, P. Vikas, U. Vikas, M. Vivargent, H. Vogel, H. Vogt, I. Vorobiev, A.A. Vorobyov, An.A. Vorobyov, L. Vuilleumier, M. Wadhwa, W. Wallraff, J.C. Wang, X.L. Wang, Y.F. Wang, Z.M. Wang, A. Weber, J. Weber, R. Weill, C. Willmott, F. Wittgenstein, D. Wright, S.X. Wu, S. Wynhoff, Z.Z. Xu, B.Z. Yang, C.G. Yang, G. Yang, X.Y. Yao, C.H. Ye, J.B. Ye, Q. Ye, S.C. Yeh, J.M. You, N. Yunus, M. Yzerman, C. Zaccardelli, P. Zemp, M. Zeng, Y. Zeng, D.H. Zhang, Z.P. Zhang, B. Zhou, G.J. Zhou, J.F. Zhou, R.Y. Zhu, A. Zichichi, B.C.C. van der Zwaan, Acciarri, M., Adam, A., Adriani, O., Aguilarbenitez, M., Ahlen, S., Alcaraz, J., Aloisio, Alberto, Alverson, G., Alviggi, Mariagrazia, Ambrosi, G., An, Q., Anderhub, H., Anderson, A. L., Andreev, V. P., Angelescu, T., Antonov, L., Antreasyan, D., Alkhazov, G., Arce, P., Arefiev, A., Azemoon, T., Aziz, T., P. V. K., Bagnaia, P., Bakken, J. A., Baksay, L., Ball, R. C., Banerjee, S., Banicz, K., Barillere, R., Barone, L., Baschirotto, A., Basile, M., Battiston, R., Bay, A., Becattini, F., Becker, U., Behner, F., Bencze, G. L., Berdugo, J., Berges, P., Bertucci, B., Betev, B. L., Biasini, M., Biland, A., Bilei, G. M., Bizzarri, R., Blaising, J. J., Bobbink, G. J., Bock, R., Bohm, A., Borgia, B., Boucham, A., Bourilkov, D., Bourquin, M., Boutigny, D., Bouwens, B., Brambilla, E., Branson, J. G., Brigljevic, V., Brock, I. C., Brooks, M., Bujak, A., Burger, J. D., Burger, W. J., Burgos, C., Busenitz, J., Buytenhuijs, A., Bykov, A., Cai, X. D., Capell, M., Romeo, G. C., Caria, M., Carlino, G., Cartacci, A. M., Casaus, J., Castello, R., Cavallo, N., Cerrada, M., Cesaroni, F., Chamizo, M., Chang, Y. H., Chaturvedi, U. K., Chemarin, M., Chen, A., Chen, C., Chen, G., Chen, G. M., Chen, H. F., Chen, H. S., Chen, M., Chiefari, Giovanni, Chien, C. Y., Choi, M. T., Chung, S., Cifarelli, L., Cindolo, F., Civinini, C., Clare, I., Clare, R., Coan, T. E., Cohn, H. O., Coignet, G., Colino, N., Costantini, S., Cotorobai, F., Delacruz, B., Cui, X. T., Cui, X. Y., Dai, T. S., Dalessandro, R., Deasmundis, R., Degre, A., Deiters, K., Denes, E., Denes, P., Denotaristefani, F., Dibitonto, D., Diemoz, M., Dimitrov, H. R., Dionisi, C., Dittmar, M., Djambazov, L., Dorne, I., Dova, M. T., Drago, E., Duchesneau, D., Duhem, F., Duinker, P., Duran, I., Dutta, S., Easo, S., Elmamouni, H., Engler, A., Eppling, F. J., Erne, F. C., Extermann, P., Fabbretti, R., Fabre, M., Falciano, S., Favara, A., Fay, J., Felcini, M., Ferguson, T., Fernandez, D., Fernandez, G., Ferroni, F., Fesefeldt, H., Fiandrini, E., Field, J. H., Filthaut, F., Fisher, P. H., Forconi, G., Fredj, L., Freudenreich, K., Gailloud, M., Galaktionov, Y., Gallo, E., Ganguli, S. N., Garciaabia, P., Gentile, S., Gerald, J., Gheordanescu, N., Giagu, S., Goldfarb, S., Goldstein, J., Gong, Z. F., Gonzalez, E., Gougas, A., Goujon, D., Gratta, G., Gruenewald, M. W., Gu, C., Guanziroli, M., Gupta, V. K., Gurtu, A., Gustafson, H. R., Gutay, L. J., Hasan, A., Hauschildt, D., J. T., He, Hebbeker, T., Hebert, M., Herve, A., Hilgers, K., Hofer, H., Hoorani, H., Hou, S. R., Hu, G., Ille, B., Ilyas, M. M., Innocente, V., Janssen, H., Jin, B. N., Jones, L. W., Dejong, P., Josamutuberria, I., Kasser, A., Khan, R. A., Kamyshkov, Y., Kapinos, P., Kapustinsky, J. S., Karyotakis, Y., Kaur, M., Khokhar, S., Kienzlefocacci, M. N., Kim, D., Kim, J. K., Kim, S. C., Kim, Y. G., Kinnison, W. W., Kirkby, A., Kirkby, D., Kirkby, J., Kirsch, S., Kittel, W., Klimentov, A., Konig, A. C., Koffeman, E., Kornadt, O., Koutsenko, V., Koulbardis, A., Kraemer, R. W., Kramer, T., Krastev, V. R., Krenz, W., Kuijten, H., Kumar, K. S., Kunin, A., Deguevara, P. L., Landi, G., Lanske, D., Lanzano, S., Laurikainen, P., Lebedev, A., Lebrun, P., Lecomte, P., Lecoq, P., Lecoultre, P., Lee, D. M., Lee, J. S., Lee, K. Y., Leedom, I., Leggett, C., Legoff, J. M., Leiste, R., Lenti, M., Leonardi, E., Levtchenko, P., Li, C., Lieb, E., Lin, W. T., Linde, F. L., Lindemann, B., Lista, L., Liu, Y., Lohmann, W., Longo, E., Lu, W., Y. S., Lu, Lubbers, J. M., Lubelsmeyer, K., Luci, C., Luckey, D., Ludovici, L., Luminari, L., Lustermann, W., W. G., Ma, Macdermott, M., Maity, M., Malgeri, L., Malik, R., Malinin, A., Mana, C., Mangla, S., Maolinbay, M., Marchesini, P., Marin, A., Martin, J. P., Marzano, F., G. G. 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Subjects
Physics, Nuclear and High Energy Physics, Particle physics, POLARIZATION, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], 010308 nuclear & particles physics, Electron–positron annihilation, Hadron, Física, large electron positron collider, Branching (polymer chemistry), 01 natural sciences, lepton production, Nuclear physics, Electromagnetic calorimeter, hadrons, L3 detector, 0103 physical sciences, Large Electron–Positron Collider, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], 010306 general physics, LEPTON, GeneralLiterature_REFERENCE(e.g.,dictionaries,encyclopedias,glossaries), Ciencias Exactas, Particle Physics - Experiment
Abstract

We have measured the branching fractions for the hadronic τ decays, τ→π/Knπ°v (0 ≤ n ≤ 3), with the L3 detector at LEP. Multiphoton final states are analyzed using the fine-grained, high-resolution electromagnetic calorimeter. The decay channels are identified using a neural network method. The results are: BR(τ→π/Kv) = (11.82 ± 0.26 ± 0.43)%, BR (τ→π/Kπ°v) = (25.05 ± 0.35 ± 0.50)%, BR(τ→π/ K2π°v) = (8.88 ± 0.37 ± 0.42)%, BR(τ→π/K3π°v) = (1.70 ± 0.24 ± 0.38)%, where the first error quoted is statistical, the second systematic., Facultad de Ciencias Exactas

Published
1995

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