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1. Geospatial Insights into Greece’s Desertification Vulnerability: A Composite Indicator Approach

Author: Kleomenis Kalogeropoulos, Dimitrios E. Tsesmelis, Andreas Tsatsaris, Efthimios Zervas, Christos A. Karavitis, Constantia G. Vasilakou, and Pantelis E. Barouchas
Subjects: vulnerability, spatial analysis, desertification, natural resources management, composite indicators, environmental management, Environmental sciences, GE1-350
Abstract: The Environmentally Sensitive Areas Index (ESAI) is a comprehensive tool for assessing the susceptibility of areas to desertification. This index analyzes various parameters that are vital for environmental health. Through this index, factors such as human activities, geology, soil quality, vegetation and climate patterns are scrutinized. The analysis assigns weights to each participating factor. Thus, the index is derived from the aggregation of four categories (vegetation, climate, soil quality and management practices), and each of them is independently assessed to understand ecological health. In this way, the level of vulnerability to desertification is effectively measured. The application of the index in Greece (for a period of 20 years, 1984–2004) showed signs of environmental degradation and identified many areas with a high risk of desertification. Notably, there was a substantial increase in cultivated land within rural areas, contributing to shifts in the environmental landscape. Furthermore, this period is distinguished as the driest in the last century, with a peak between 1988 and 1993. The consequential rise in irrigation demand, driven by the simultaneous growth of crops and the intensification of agricultural practices, underscores the intricate interplay between human activities and environmental vulnerability.
Published: 2024
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2. Development and Application of Water and Land Resources Degradation Index (WLDI)

Author: Demetrios E. Tsesmelis, Christos A. Karavitis, Kleomenis Kalogeropoulos, Andreas Tsatsaris, Efthimios Zervas, Constantina G. Vasilakou, Nikolaos Stathopoulos, Nikolaos A. Skondras, Stavros G. Alexandris, Christos Chalkias, and Constantinos Kosmas
Subjects: decision making, natural resources, WLDI, composite indicators, spatial analysis, Greece, Environmental technology. Sanitary engineering, TD1-1066
Abstract: Natural resources are gradually coming under continuous and increasing pressure due to anthropogenic interventions and climate variabilities. The result of these pressures is reflected in the sustainability of natural resources. Significant scientific efforts during the recent years focus on mitigating the effects of these pressures and on increasing the sustainability of natural resources. Hence, there is a need to develop specific indices and indicators that will reveal the areas having the highest risks. The Water and Land Resources Degradation Index (WLDI) was developed for this purpose. WLDI consists of eleven indicators and its outcome results from the spatiotemporal performance of these indicators. The WLDI is based on the Standardized Drought Vulnerability Index (SDVI) and the Environmentally Sensitive Areas Index (ESAI). The WLDI is applied for the period from October 1983 to September 1996, considering Greece as a study area. The results of the application of this index reveal the areas with the highest risks, especially in the agricultural sector, with less than the needed water quantities due to extensive periods of droughts. This index could be used by scientists, but also by policy makers, to better and more sustainably manage environmental pressures.
Published: 2021
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3. Spatiotemporal Application of the Standardized Precipitation Index (SPI) in the Eastern Mediterranean

Author: Demetrios E. Tsesmelis, Ioanna Leveidioti, Christos A. Karavitis, Kleomenis Kalogeropoulos, Constantina G. Vasilakou, Andreas Tsatsaris, and Efthimios Zervas
Subjects: drought, Standardized Precipitation Index, GIS, extreme events, spatial data analysis, Science
Abstract: The ever-increasing need for water, the alteration in the climate, and its observed changes over recent years have triggered a lot of research studies associated with the phenomenon of drought. Within the wider geographical region of the Mediterranean, the relevant scientific subject seems to be of great interest, since it is undoubtedly related to a number of severe socio-economic consequences. This present effort focuses on the evolution of this particular phenomenon over time, within the borders of nine different countries in the Eastern Mediterranean (Athens, Greece—Europe; Constantinople, Turkey—Asia; Nicosia, Cyprus—Europe; Jerusalem, Israel—Asia; Amman, Jordan—Asia; Damascus, Syria—Asia; Beirut, Lebanon—Asia; Cairo, Egypt—Africa; and Tripoli Libya—Africa). By applying the Standard Precipitation Index (SPI), examining precipitation data at the month level (January 1901 to December 2020), and utilizing the Inverse Distance Weighted (IDW) method, the spatio–temporal variability of drought events in the Eastern Mediterranean area was studied. In Jerusalem, long-term droughts presented a higher than usual volume, in accordance with applying the 12- and 24-month SPI, starting from the mid-20th century. Similarly, the region of Damascus presented a similar pattern to those in Beirut, Amman, and Jerusalem. An upward trend in the frequency of extreme drought events was observed for the last thirty years. The same trend seems to be true in terms of the duration of dry periods. Drought events have also been observed in the central, southern, and eastern regions of Turkey. A downward trend was observed in Cairo based on a trend analysis of its monthly precipitation.
Published: 2023
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4. Cultural Heritage in the Light of Flood Hazard: The Case of the 'Ancient' Olympia, Greece

Author: Kleomenis Kalogeropoulos, Konstantinos Tsanakas, Nikolaos Stathopoulos, Demetrios E. Tsesmelis, and Andreas Tsatsaris
Subjects: flood, hazard, rainfall-runoff models, GIS, heritage, Science
Abstract: Floods are natural hazards with negative environmental and socioeconomic impacts at a local and regional level. In addition to human lives, facilities, and infrastructure, flooding is a potential threat to archaeological sites, with all the implications for the cultural heritage of each country. Technological developments of recent years, particularly concerning geospatial technologies (GIS, Remote Sensing, etc.), have brought novel advantages to hydrological modelling. This study uses geoinformatics to quantify flood hazard assessment. The study area is the ungauged torrent of Kladeos River, located in Peloponnese, Greece. Geomorphological analysis combined with hydrological modelling were performed in a GIS-based environment in order to study the hydrological behavior of the Kladeos River basin. The hydrological analysis was carried out with rainfall data and hypothetical storms using a 5 × 5 m digital terrain model. The quantitative features of the catchment were calculated in order to determine its susceptibility to flooding. The hydro-morphometric analysis revealed stream order anomalies in the drainage network which, combined with the morphology of its upper and lower parts, enhance the possibility of flood events. The primary results indicated that there is an increased possibility of extensive flooding in the archaeological site, depending on the severity of the rainfall, since the basic geomorphological characteristics favor it. The proposed methodology calculates parameters such as flow rate, flow velocity, etc., in order to measure and quantify flood hazard and risks in the area of interest.
Published: 2023
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5. Evaluating the Degradation of Natural Resources in the Mediterranean Environment Using the Water and Land Resources Degradation Index, the Case of Crete Island

Author: Demetrios E. Tsesmelis, Christos A. Karavitis, Kleomenis Kalogeropoulos, Efthimios Zervas, Constantina G. Vasilakou, Nikolaos A. Skondras, Panagiotis D. Oikonomou, Nikolaos Stathopoulos, Stavros G. Alexandris, Andreas Tsatsaris, and Constantinos Kosmas
Subjects: natural resources, contingency planning, spatial analysis, risk assessment, geographical information systems, Meteorology. Climatology, QC851-999
Abstract: Natural resources degradation poses multiple challenges particularly to environmental and economic processes. It is usually difficult to identify the degree of degradation and the critical vulnerability values in the affected systems. Thus, among other tools, indices (composite indicators) may also describe these complex systems or phenomena. In this approach, the Water and Land Resources Degradation Index was applied to the fifth largest Mediterranean island, Crete, for the 1999–2014 period. The Water and Land Resources Degradation Index uses 11 water and soil resources related indicators: Aridity Index, Water Demand, Drought Impacts, Drought Resistance Water Resources Infrastructure, Land Use Intensity, Soil Parent Material, Plant Cover, Rainfall, Slope, and Soil Texture. The aim is to identify the sensitive areas to degradation due to anthropogenic interventions and natural processes, as well as their vulnerability status. The results for Crete Island indicate that prolonged water resources shortages due to low average precipitation values or high water demand (especially in the agricultural sector), may significantly affect Water and Land degradation processes. Hence, Water and Land Resources Degradation Index could serve as an extra tool to assist policymakers to improve their decisions to combat Natural Resources degradation.
Published: 2022
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6. A GIS-Cellular Automata-Based Model for Coupling Urban Sprawl and Flood Susceptibility Assessment

Author: Evangelia Stamellou, Kleomenis Kalogeropoulos, Nikolaos Stathopoulos, Demetrios E. Tsesmelis, Panagiota Louka, Vasileios Apostolidis, and Andreas Tsatsaris
Subjects: flood, GIS, cellular automata, SLEUTH, AHP, Science
Abstract: In Urban Planning (UP), it is necessary to take under serious consideration the inhibitors of the spread of a settlement in a specific direction. This means that all those parameters for which serious problems may arise in the future should be considered. Among these parameters are geo-hazards, such as floods, landslides, mud movement, etc. This study deals with UP taking into account the possibility of widespread flooding in settlement expansion areas. There is a large flooding history in Greece, which is accompanied by a significant number of disasters in different types of land use/land cover, with a large financial cost of compensation and/or rehabilitation. The study area is the drainage basin of Erasinos River in the Attica Region, where many and frequent flood events have been recorded. The main goal of this study is to determine the flood susceptibility of the study area, taking into account possible factors that are decisive in flood occurrence. Furthermore, the flood susceptibility is also determined, taking into account the scenarios of precipitation and the urban sprawl scenario in the area of reference. The study of flood events uses the Analytic Hierarchy Process (AHP) model and the urban sprawl model SLEUTH, which calibrates historical urban growth, using open and cost-free data and software. Eventually, flood susceptibility maps were overlaid with future urban areas to find the vulnerable areas. Following, three scenarios of flood susceptibility with the corresponding susceptibility maps and vulnerability maps, which measure the flood susceptibility of the current and future urban space of the study area, are presented. The results have shown significant peaks in the moderate class of flood susceptibility, while, in the third scenario, high values of flood susceptibility seem to appear. The proposed methodology and specifically the output maps can serve as a decision support tool to assist urban planners and hazard managers in making informed decisions towards sustainable urban planning.
Published: 2021
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7. Geoinformation Technologies in Support of Environmental Hazards Monitoring under Climate Change: An Extensive Review.

Author: Andreas Tsatsaris, Kleomenis Kalogeropoulos, Nikolaos Stathopoulos, Panagiota Louka, Konstantinos Tsanakas, Demetrios E. Tsesmelis, Vassilios Krassanakis, George P. Petropoulos, Vasilis Pappas, and Christos Chalkias
Published: 2021
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8. Factual Drought Index (FDI): a composite index based on precipitation and evapotranspiration

Author: Demetrios E. Tsesmelis, Stavros Alexandris, Christos A. Karavitis, and V. Fassouli
Subjects: Water balance, Index (economics), Climatology, Evapotranspiration, Environmental science, Precipitation, Composite index, Water Science and Technology
Abstract: Droughts are mainly caused by rainfall deficiencies and high evapotranspiration rates. This article introduces a Factual Drought Index (FDI) as a composite index, based on precipitation and potenti...
Published: 2021

9. Assessment of the Vulnerability to Drought and Desertification Characteristics Using the Standardized Drought Vulnerability Index (SDVI) and the Environmentally Sensitive Areas Index (ESAI)

Author: Demetrios E. Tsesmelis, Christos A. Karavitis, Panagiotis D. Oikonomou, Stavros Alexandris, and Constantinos Kosmas
Subjects: integrated water resources management, drought management, contingency planning, drought, desertification, vulnerability, indices comparison, Science
Abstract: The degradation of natural resources at an intense rate creates serious problems in the environmental systems particularly with the compounding effects of climatic vagaries and changes. On the one hand, desertification is a crucial universal, mostly an anthropogenic environmental issue affecting soils all over the world. On the other hand, drought is a natural phenomenon in direct association with reduced rainfall in various spatial and temporal frames. Vulnerabilities to drought and desertification are complex processes caused by environmental, ecological, social, economic and anthropogenic factors. Particularly for the Mediterranean semi-arid conditions, where the physical and structural systems are more vulnerable, the abuse and overuse of the natural resources lead to their degradation and ultimately, if the current trends continue, to their marginalization. The scope of the current effort is trying to find any common drivers for the pressures of both processes. Thus, the vulnerabilities to drought and desertification are comparing by using the Standardized Drought Vulnerability Index (SDVI) and the Environmentally Sensitive Areas Index (ESAI). The indices are calculated from October 1983 to September 1996 in Greece. Greece is prone to desertification and it is often experiencing intense droughts, thus it presents an almost ideal case study area. The results may indicate that the most important factor for such procedures is the deficits in water resources, either due to lower than usually expected rainfall or to higher societal water demand.
Published: 2018
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10. Drought Characteristics Assessment in Europe over the Past 50 Years

Author: Panagiotis D. Oikonomou, Elpida Kolokytha, Rodrigo Maia, Christos A. Karavitis, and Demetrios E. Tsesmelis
Subjects: Maximum temperature, Index (economics), 010504 meteorology & atmospheric sciences, 0208 environmental biotechnology, 02 engineering and technology, 01 natural sciences, 020801 environmental engineering, Evapotranspiration, Climatology, Environmental science, Precipitation, Scale (map), Precipitation index, Spatial extent, 0105 earth and related environmental sciences, Water Science and Technology, Civil and Structural Engineering
Abstract: The questions of scale, limit, and areal extent are central points for any drought assessment effort. Drought indices, such as the Standardized Precipitation Index (SPI) and the Standardized Precipitation Evapotranspiration Index (SPEI), are assisting to demarcate drought characteristics and spatial extent. The current approach utilizes the E-OBS gridded dataset's hydro-climatic parameters (precipitation, minimum and maximum temperature) for applying SPI and SPEI on a Pan-European scale for a detail drought assessment during the 1969–2018 period. The two indices are estimated for the 6 and 12-month scales. In this effort, drought is defined as an event that has index value less than minus 1.5 for at least three consecutive months. Based on this, drought characteristics (frequency, duration, and severity) are derived. The results are displayed in 5-year windows and they are also assessed against independently recorded droughts as occurred. Overall, it may be reported that there has been little change in drought characteristics over the past 50 years in Europe. Furthermore, given the variety of climatic locales on a continental level, the 6 and 12-month time scales for both indices may offer an improvement on drought critical areas identification, threshold definitions, and comparability.
Published: 2020

11. Contributors

Author: Sohaib K.M. Abujayyab, Maryam Aghaei, Adeel Ahmad, Fatemeh Ahmadloo, Stavros G. Alexandris, Shakir Ali, Sajjad Ali Mahmoudi Sarab, Amir Alizadeh, Hadi Alizadeh, Meisam Amani, Ouafi Ameur-Zaimeche, Abdulfattah Ahmad Amin, Atiyeh Amindin, Mahdis Amiri, Charaf-Eddine Aouam, Ebrahim Asgari, Sedigheh Babaei, Yasser Baleghi, Abdollah Bameri, Anil Bhardwaj, Mojgan Bordbar, Ali Boustan, Trupti Chandrasekhar, Songchao Chen, Asheer Chhetri, Christian Conoscenti, Manju Sara Dahal, Ali Danandeh Mehr, Saha Dauji, Diego García de Jalón, José A.M. Demattê, Payam Ebrahimi, Mohammad Reza Ekhtesasi, Ahmed Elbeltagi, Sayed Naeim Emami, Saeedeh Eskandari, Seyed Rashid Fallah Shamsi, Zakariya Farajzadeh, Hassan Fathizad, Khosro Fazelpoor, Shilan Felegari, G.P. Ganapathy, E. Gayathiri, Hemant Ghalley, Gholamabbas Ghanbarian, Arsalan Ghorbanian, Hammad Gilani, R. Gobinath, Ahmad Golchin, Abbas Goli Jirandeh, Mohsen Golian, Farshad Haghighian, Salim Heddam, Anis Heidari, Bahram Heidari, Mohsen Hosseinalizadeh, Hooshyar Hossini, J. Jayanthi, Mohammad Kakooei, Kleomenis Kalogeropoulos, Sahar Karami, Christos A. Karavitis, Alireza Karimi, Hazhir Karimi, Mahdi Karimi, Narges Kariminejad, Abdullah Kaviani Rad, Rabah Kechiched, Tirumalesh Keesari, Farhad Khormali, Mojdeh Mohammadi Khoshoui, Mahboobeh Kiani-Harchegani, Sungwon Kim, Ozgur Kisi, Aiding Kornejady, Elham Kouchaki, Petr Kubíček, Luigi Lombardo, Sandhya Makkar, Sedigheh Maleki, Anurag Malik, Iman Mallakpour, Vanesa Martínez-Fernández, Masoud Masoudi, Ahmad Reza Mehrabian, Majid Mohammady, Marzieh Mokarram, Ali Akbar Moosavi, Kamran Moravej, Hamidreza Mosaffa, Hossein Mostafavi, Raoof Mostafazadeh, Hasan Mozaffari, Mojtaba Naghdyzadegan Jahromi, Zeynab Najafi, Farzaneh Khajoei Nasab, Andrea Nascetti, Hassan Khavarian Nehzak, Mohammad Nekooeimehr, Majid Niazkar, Rigzin Norbu, Panagiotis D. Oikonomou, Yaser Ostovari, Sina Paryani, Sangey Pasang, Moujhuri Patra, Raúl Roberto Poppiel, Hamid Reza Pourghasemi, Mehdi Pourhashemi, Soheila Pouyan, Vishnu Prasad, Hamidreza Rabiei-Dastjerdi, M.G. Ragunathan, Soroor Rahmanian, Ahmad Rastegarnia, Jesús Rodrigo-Comino, Mojtaba Sadeghi, Shahriar Sadeghi, Majid Sadeghinia, Ashwini Arun Salunkhe, Arnold R. Salvacion, Mahmood Samadi, Alireza Sarvarinezhad, Erhan Şener, Şehnaz Şener, Munawar Shah, Alireza Sharifi, Ebrahim Sharifi Teshnizi, Ifrah Shaukat, Shashank Shekhar, Safdar Ali Shirazi, Esmaeil Silakhori, Sukhdeep Singh, U. Sinthuja, Nikolaos Stathopoulos, Ruhollah Taghizadeh-Mehrjardi, Ali Talebi, Enes Taşoğlu, Mahboobeh Tayebi, S. Thavamani, John P. Tiefenbacher, Suren Timsina, Demetrios E. Tsesmelis, Simge Varol, Constantina G. Vasilakou, Tshering Wangchuk, Saleh Yousefi, Abrar Yousuf, Sara Zakeri-Anaraki, Mohammad Zakwan, Mehdi Zarei, Efthimios Zervas, and Mohammad Zounemat-Kermani
Published: 2022

12. Drought assessment using the standardized precipitation index (SPI) in GIS environment in Greece

Author: Stavros Alexandris, Panagiotis D. Oikonomou, Demetrios E. Tsesmelis, Kleomenis Kalogeropoulos, Efthimios Zervas, Nikolaos Stathopoulos, Constantina G. Vasilakou, and Christos A. Karavitis
Subjects: Climatology, Environmental science, Precipitation index
Published: 2022

13. Water, Sanitation and Hygiene (WASH) Index: Development and Application to Measure WASH Service Levels in European Humanitarian Camps

Author: Nikolaos A. Skondras, Elpida Kolokytha, Christos A. Karavitis, Syed Yasir Ahmad Khan, and Demetrios E. Tsesmelis
Subjects: Index (economics), Work (electrical), Sanitation, Scope (project management), Refugee, Service level, Business, Composite index, Environmental planning, Water Science and Technology, Civil and Structural Engineering, Variety (cybernetics)
Abstract: The Humanitarian Agents (HAs), are among the first entities dealing with the impacts of natural and man-made disasters. This is more than essential in areas, where the National governments and associated economies are either overwhelmed to respond or unprepared to act. Under such pressing conditions, the agents, as any other similar entity, depend on a variety of monitoring and assessment tools in order to reach the most suitable decisions per case. These tools are mostly employed for the scope definition and the content of their responses, the communication of the information among the various agents, and the reporting to their donors and other beneficiaries. To this end, several field tools have been developed worldwide. Building on such a background, the present effort describes a new tool and it argues towards the development and implementation of a WASH related Composite Index. The purpose of the Index is to facilitate the WASH related assessments in refugee camps, by capturing and reflecting the actual WASH conditions and provide the necessary information for efficient program planning and implementation. Starting with Europe and specifically the humanitarian camps in Greece, the development of the Index may allow its worldwide application, while adhering to the necessary and essential standards that govern the work of all HAs operating in the sector.
Published: 2020

14. Application of the Standardized Precipitation Index (SPI) in Greece

Author: Christos A. Karavitis, Stavros Alexandris, Demetrios E. Tsesmelis, and George Athanasopoulos
Subjects: drought index, Standardized Precipitation Index, geo-statistical methods, kriging, drought contingency planning, Hydraulic engineering, TC1-978, Water supply for domestic and industrial purposes, TD201-500
Abstract: The main premise of the current effort is that the use of a drought index, such as Standardized Precipitation Index (SPI), may lead to a more appropriate understanding of drought duration, magnitude and spatial extent in semi-arid areas like Greece. The importance of the Index may be marked in its simplicity and its ability to identify the beginning and end of a drought event. Thus, it may point towards drought contingency planning and through it to drought alert mechanisms. In this context, Greece, as it very often faces the hazardous impacts of droughts, presents an almost ideal case for the SPI application. The present approach examines the SPI drought index application for all of Greece and it is evaluated accordingly by historical precipitation data. Different time series of data from 46 precipitation stations, covering the period 1947–2004, and for time scales of 1, 3, 6, 12 and 24 months, were used. The computation of the index was achieved by the appropriate usage of a pertinent software tool. Then, spatial representation of the SPI values was carried out with geo-statistical methods using the SURFER 9 software package. The results underline the potential that the SPI usage exhibits in a drought alert and forecasting effort as part of a drought contingency planning posture.
Published: 2011
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15. Development and Application of Water and Land Resources Degradation Index (WLDI)

Author: Constantinos Kosmas, Stavros Alexandris, Christos Chalkias, Demetrios E. Tsesmelis, Nikolaos A. Skondras, Christos A. Karavitis, Andreas Tsatsaris, Constantina G. Vasilakou, Kleomenis Kalogeropoulos, Efthimios Zervas, and Nikolaos Stathopoulos
Subjects: Index (economics), Vulnerability index, spatial analysis, Greece, business.industry, Environmental resource management, Degradation index, Natural resource, Environmental technology. Sanitary engineering, decision making, Agriculture, Sustainability, Environmental science, WLDI, business, natural resources, Land resources, composite indicators, TD1-1066
Abstract: Natural resources are gradually coming under continuous and increasing pressure due to anthropogenic interventions and climate variabilities. The result of these pressures is reflected in the sustainability of natural resources. Significant scientific efforts during the recent years focus on mitigating the effects of these pressures and on increasing the sustainability of natural resources. Hence, there is a need to develop specific indices and indicators that will reveal the areas having the highest risks. The Water and Land Resources Degradation Index (WLDI) was developed for this purpose. WLDI consists of eleven indicators and its outcome results from the spatiotemporal performance of these indicators. The WLDI is based on the Standardized Drought Vulnerability Index (SDVI) and the Environmentally Sensitive Areas Index (ESAI). The WLDI is applied for the period from October 1983 to September 1996, considering Greece as a study area. The results of the application of this index reveal the areas with the highest risks, especially in the agricultural sector, with less than the needed water quantities due to extensive periods of droughts. This index could be used by scientists, but also by policy makers, to better and more sustainably manage environmental pressures.
Published: 2021
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16. Enhancing the standardized drought vulnerability index by integrating spatiotemporal information from satellite and in situ data

Author: Christos A. Karavitis, Demetrios E. Tsesmelis, Reagan Waskom, Panagiotis D. Oikonomou, and Neil S. Grigg
Subjects: Index (economics), Vulnerability index, Computer science, business.industry, Environmental resource management, Vulnerability, computer.software_genre, Water resources, Natural hazard, business, Adaptation (computer science), computer, Integrated management, Water Science and Technology, Data integration
Abstract: Drought is a complex natural hazard with its adverse multifaceted impacts cascading in every physical and human system. The vulnerability magnitude of various areas to drought mostly depends on their exposure to water deficiency, the existing water management policy framework and its implementation. The Standardized Drought Vulnerability Index (SDVI) is an integrated attempt towards characterizing drought vulnerability based on a comparative classification system, incorporating precipitation patterns, the supply and demand trends, and the socioeconomic background as the most crucial contributors to drought vulnerability. This work attempts to evolve the SDVI by presenting a more rigorous method of index parameters estimation and argues that the combination of in-situ and satellite data improve the index results in an effort to further minimize the paucity of drought related information. At the same time, it helps to surpass previous limitations in temporal and spatial propagation of the vulnerability concept. The new framework is applied in the South Platte Basin, within Colorado, on the 2012 summer drought (July-September). The proposed index modification may convey drought information in a more holistic manner to decision makers. SDVI could aid in advancing the understanding of each component contribution through in situ and remote sensing data integration and in avoiding existing practices of broken linkages and fragmentation of the reported impacts. Thus, it is believed that the SDVI could serve as an additional tool to guide decisions and target mitigation and adaptation actions, allowing for a more integrated management approach.
Published: 2019

17. A desertification risk assessment decision support tool (DRAST)

Author: Nikolaos A. Skondras, Ruzica Stricevic, Elpida Kolokytha, Coen J. Ritsema, Victor Jetten, Giovanni Quaranta, Constantinos Kosmas, Rudi Hessel, Stavros Alexandris, Demetrios V. Stamatakos, Panagiotis D. Oikonomou, Demetrios E. Tsesmelis, Jane Brandt, Christos A. Karavitis, Branislav Todorovic, Emmanuel Chatzigeorgiadis, Nicky Geeson, N. Moustakas, V. Fassouli, Constantina G. Vasilakou, Orestis Kairis, Department of Earth Systems Analysis, UT-I-ITC-4DEarth, and Faculty of Geo-Information Science and Earth Observation
Subjects: Decision support system, Water en Landgebruik, 010504 meteorology & atmospheric sciences, Process (engineering), Computer science, Land and water resources management, media_common.quotation_subject, Land management, Desertification indicators, Web-based systems, Decision support systems, computer.software_genre, 01 natural sciences, Soil, Bodem, Soil, Water and Land Use, Expert systems, Strategies to combat desertification, Environmental planning, 0105 earth and related environmental sciences, Earth-Surface Processes, media_common, WIMEK, Desertification risk, business.industry, Water and Land Use, 22/2 OA procedure, Information technology, 04 agricultural and veterinary sciences, 15. Life on land, Bodemfysica en Landbeheer, PE&RC, Desertification assessment, Expert system, Bodem, Water en Landgebruik, Water resources, Soil Physics and Land Management, Desertification, ITC-ISI-JOURNAL-ARTICLE, 040103 agronomy & agriculture, 0401 agriculture, forestry, and fisheries, business, Risk assessment, computer
Abstract: Desertification constantly and diachronically manifested itself as one of the most critical environmental issues to be confronted and mitigated by society. This work presents the development of a land desertification risk Expert System (ES) for assessing the application of different land management practices by utilizing indicators through a desertification risk index (DRI). The DRI was developed by a desertification risk assessment framework generated in seventeen study sites worldwide. This assessment was performed through a methodological process incorporating indicators suited to a plethora of physical, social and economic characteristics. Then, the Desertification Risk Assessment Support Tool (DRAST) was created using the indicators' methodology in an effort to efficiently handle complexity and variability in soil and water resources management. To demonstrate DRAST's applicability, an independent data base of indicators was used, and the tool was employed in all the seventeen study sites. Five indicative sites, experiencing different desertification processes, are selected as key representatives of the methodological process implementation. Overall, the assessment depicted that DRAST performs appropriately in demarcating existing desertification risk as well as in portraying how the desertification risk changes after the application of pertinent mitigation actions. Thus, the current approach may lead towards a standardized procedure, which is using the advantages of information technology to assess the effectiveness of various land management practices and facilitate stakeholders and decision-makers to produce and implement timely and appropriate responses to combat desertification.
Published: 2020

18. Development and application of energy decoupling index as Cartesian Vector: evidence from world-wide regional data

Author: Demetrios S Brilakis, Efthimios Zervas, and Demetrios E. Tsesmelis
Subjects: Index (economics), law, Development (differential geometry), Cartesian coordinate system, Topology, World wide, Energy (signal processing), Decoupling (electronics), law.invention, Mathematics
Abstract: Economic growth and energy consumed is critical for sustainable global development. In this paper, an extended Vector version of the commonly used Decoupling Index De of energy elasticity to Gross Domestic Product (GDP) and Decoupling Ratio of Energy Intensity of GDP are used to investigate decoupling phenomenon for the period 1990 to 2014 in the main regions of the World. Using Vector properties, this study overcomes some well-known deficiencies of Energy to Growth elasticity Decoupling Index and suggests the Decoupling Angle as a suitable indicator when describing decoupling. The relationships with aggregate and per capita indicators are also examined. A general finding was that in emerging economies, even when moving to “disconnected” states of decoupling, reduced energy rates were paired with reduced growth rates and accelerated growth rates with increased energy consumption rates. This statement raises questions over long-term decoupling of energy consumption from economic growth.
Published: 2021

19. A GIS-Cellular Automata-Based Model for Coupling Urban Sprawl and Flood Susceptibility Assessment

Author: Andreas Tsatsaris, Vasileios Apostolidis, Panagiota Louka, Demetrios E. Tsesmelis, Kleomenis Kalogeropoulos, Nikolaos Stathopoulos, and Evangelia Stamellou
Subjects: Flood myth, Land use, AHP, Science, cellular automata, Flooding (psychology), Urban sprawl, Landslide, Land cover, flood, GIS, Oceanography, Hazard, SLEUTH, Geography, Urban planning, Waste Management and Disposal, Environmental planning, Earth-Surface Processes, Water Science and Technology
Abstract: In Urban Planning (UP), it is necessary to take under serious consideration the inhibitors of the spread of a settlement in a specific direction. This means that all those parameters for which serious problems may arise in the future should be considered. Among these parameters are geo-hazards, such as floods, landslides, mud movement, etc. This study deals with UP taking into account the possibility of widespread flooding in settlement expansion areas. There is a large flooding history in Greece, which is accompanied by a significant number of disasters in different types of land use/land cover, with a large financial cost of compensation and/or rehabilitation. The study area is the drainage basin of Erasinos River in the Attica Region, where many and frequent flood events have been recorded. The main goal of this study is to determine the flood susceptibility of the study area, taking into account possible factors that are decisive in flood occurrence. Furthermore, the flood susceptibility is also determined, taking into account the scenarios of precipitation and the urban sprawl scenario in the area of reference. The study of flood events uses the Analytic Hierarchy Process (AHP) model and the urban sprawl model SLEUTH, which calibrates historical urban growth, using open and cost-free data and software. Eventually, flood susceptibility maps were overlaid with future urban areas to find the vulnerable areas. Following, three scenarios of flood susceptibility with the corresponding susceptibility maps and vulnerability maps, which measure the flood susceptibility of the current and future urban space of the study area, are presented. The results have shown significant peaks in the moderate class of flood susceptibility, while, in the third scenario, high values of flood susceptibility seem to appear. The proposed methodology and specifically the output maps can serve as a decision support tool to assist urban planners and hazard managers in making informed decisions towards sustainable urban planning.
Published: 2021

20. Geoinformation Technologies in Support of Environmental Hazards Monitoring under Climate Change: An Extensive Review

Author: Demetrios E. Tsesmelis, Andreas Tsatsaris, Vassilios Krassanakis, George P. Petropoulos, Konstantinos Tsanakas, Nikolaos Stathopoulos, Christos Chalkias, Panagiota Louka, Kleomenis Kalogeropoulos, and Vasilis Pappas
Subjects: Earth observation, Geospatial analysis, Geographic information system, 010504 meteorology & atmospheric sciences, 0208 environmental biotechnology, Geography, Planning and Development, lcsh:G1-922, Climate change, Context (language use), earth observation, 02 engineering and technology, computer.software_genre, 01 natural sciences, Natural (archaeology), geographical information systems, Environmental monitoring, Earth and Planetary Sciences (miscellaneous), geoinformation, Computers in Earth Sciences, Environmental planning, Spatial analysis, environmental monitoring, 0105 earth and related environmental sciences, geohazards, business.industry, 020801 environmental engineering, climate change, Geography, business, computer, lcsh:Geography (General)
Abstract: Human activities and climate change constitute the contemporary catalyst for natural processes and their impacts, i.e., geo-environmental hazards. Globally, natural catastrophic phenomena and hazards, such as drought, soil erosion, quantitative and qualitative degradation of groundwater, frost, flooding, sea level rise, etc., are intensified by anthropogenic factors. Thus, they present rapid increase in intensity, frequency of occurrence, spatial density, and significant spread of the areas of occurrence. The impact of these phenomena is devastating to human life and to global economies, private holdings, infrastructure, etc., while in a wider context it has a very negative effect on the social, environmental, and economic status of the affected region. Geospatial technologies including Geographic Information Systems, Remote Sensing—Earth Observation as well as related spatial data analysis tools, models, databases, contribute nowadays significantly in predicting, preventing, researching, addressing, rehabilitating, and managing these phenomena and their effects. This review attempts to mark the most devastating geo-hazards from the view of environmental monitoring, covering the state of the art in the use of geospatial technologies in that respect. It also defines the main challenge of this new era which is nothing more than the fictitious exploitation of the information produced by the environmental monitoring so that the necessary policies are taken in the direction of a sustainable future. The review highlights the potential and increasing added value of geographic information as a means to support environmental monitoring in the face of climate change. The growth in geographic information seems to be rapidly accelerated due to the technological and scientific developments that will continue with exponential progress in the years to come. Nonetheless, as it is also highlighted in this review continuous monitoring of the environment is subject to an interdisciplinary approach and contains an amount of actions that cover both the development of natural phenomena and their catastrophic effects mostly due to climate change.
Published: 2021

21. Resilience–Vulnerability Analysis: A Decision-Making Framework for Systems Assessment

Author: Demetrios E. Tsesmelis, Constantina G. Vasilakou, Christos A. Karavitis, and Nikolaos A. Skondras
Subjects: Service (systems architecture), 010504 meteorology & atmospheric sciences, Computer science, media_common.quotation_subject, vulnerability, Geography, Planning and Development, systems attributes, Vulnerability, TJ807-830, 010501 environmental sciences, Management, Monitoring, Policy and Law, TD194-195, 01 natural sciences, Renewable energy sources, decision making, Order (exchange), Vulnerability assessment, Added value, GE1-350, Resilience (network), resilience, 0105 earth and related environmental sciences, media_common, Environmental effects of industries and plants, Renewable Energy, Sustainability and the Environment, systems analysis, Variety (cybernetics), Environmental sciences, Risk analysis (engineering), Psychological resilience
Abstract: The terms &lsquo, resilience&rsquo, and &lsquo, vulnerability&rsquo, have been widely used, with multiple interpretations in a plethora of disciplines. Such a variety may easily become confusing, and could create misconceptions among the different users. Policy makers who are bound to make decisions in key spatial and temporal points may especially suffer from these misconceptions. The need for decisions may become even more pressing in times of crisis, where the weaknesses of a system are exposed, and immediate actions to enhance the systemic strengths should be made. The analysis framework proposed in the current effort, and demonstrated in hypothetical forest fire cases, tries to focus on the combined use of simplified versions of the resilience and vulnerability concepts. Their relations and outcomes are also explored, in an effort to provide decision makers with an initial assessment of the information required to deal with complex systems. It is believed that the framework may offer some service towards the development of a more integrated and applicable tool, in order to further expand the concepts of resilience and vulnerability. Additionally, the results of the framework can be used as inputs in other decision making techniques and approaches. This increases the added value of the framework as a tool.
Published: 2020

22. Linking drought characteristics to impacts on a spatial and temporal scale

Author: Stavros Alexandris, Demetrios V. Stamatakos, Gregor Gregorič, Nikolaos A. Skondras, V. Fassouli, Evan Vlachos, Constantina G. Vasilakou, Panagiotis D. Oikonomou, Christos A. Karavitis, Demetrios E. Tsesmelis, and Neil S. Grigg
Subjects: Index (economics), Vulnerability index, business.industry, Geography, Planning and Development, Environmental resource management, Vulnerability, Water supply, Management, Monitoring, Policy and Law, Hazard, Water infrastructure, Scale (social sciences), Environmental science, business, Precipitation index, Water Science and Technology
Abstract: Drought is a complex natural phenomenon that lacks a universally accepted definition, thus it is difficult to confront holistically. Several efforts have been made towards managing the widespread and catastrophic drought impacts. In this quest, the concept of vulnerability to drought seems to offer some significant potential. In the present attempt, a standardized drought vulnerability index (SDVI) is presented, applied, and spatially visualized through geostatistical methods on a country scale. Greece, experiencing frequent and intense droughts, was selected as the study site. In an effort to link drought characteristics to impacts, the index incorporates water supply information, demand data, the state of the relevant water infrastructure and climatic parameters represented by the standardized precipitation index. The index showed potential in portraying various vulnerability states and followed satisfactorily the vulnerability fluctuations in Greece in relation to recorded drought hazard dimensions and impacts. The SDVI may be considered as a first step for the emergence of an integrated SDVI with multi-scalar applications in environmental research and decision-making. It is believed that improving techniques in index formulation may complement more reasonable and acceptable solutions to water challenges posed by droughts and help avoid a drifting sense of continuous ‘water crises’.
Published: 2014

23. Development of the standardised precipitation index for Greece

Author: Constantina G. Vasilakou, Demetrios E. Tsesmelis, Stavros Alexandris, Christina Chortaria, and Christos A. Karavitis
Subjects: Hydrology, Urban water supply, Kriging, Geography, Planning and Development, Dry season, Environmental science, Duration (project management), Water resource management, Precipitation index, Monitoring tool, Metropolitan area, Water Science and Technology
Abstract: The use of standardised precipitation index (SPI) may lead to an understanding of a droughts magnitude and duration and thus contributing to integrated drought management options. Greece, a semi-arid country, has very often faced the hazardous impacts of droughts. The worst drought on record lasted from 1989 to 1993, and affected all the country, particularly the urban water supply of Athens metropolitan area. Rainfall time series from 41 rain stations were used to calculate SPI, for time scales of 3, 6, 12 and 24 months. Forty eight (48) interpolation surfaces were produced and assessed using historical data and statistical parameters for the SPI spatial visualisation through GIS kriging of the 1989–1993 drought. The results suggest the use of SPI as a drought monitoring tool, namely in areas with a distinct dry season, supporting drought forecasting and assisting integrated strategies for drought management.
Published: 2012

24. ELECTRONICS AND READOUT OF A LARGE-AREA SILICON DETECTOR FOR LHC

Author: R.J. Hawkings, B. Lisowski, Erik H.M. Heijne, Pierre Jarron, G. F. Moorhead, Paul Seller, R.A. Bardos, Xin Wu, G. N. Taylor, K. Borer, A.G. Clark, Claus Gössling, R. Bonino, J. Teiger, D. J. Munday, T. Schultz, K. Benslama, H. Kambara, R. Spiwoks, E. Tsesmelis, Paola Scampoli, N. Kundu, J.H. Bibby, Eckhart Fretwurst, P. Murray, Francis Anghinolfi, G. Gorfine, H. Verweij, P. Aspell, J.C. Santiard, Michael Campbell, C. Couyoumtzelis, A. Reichold, G. Lindstroem, Michael Andrew Parker, D. Campbell, A. R. Weidberg, A. Chilingarov, S. N. Tovey, K., Borer, D. J., Munday, M. A., Parker, F., Anghinolfi, P., Aspell, M., Campbell, A., Chilingarov, P., Jarron, E. H., M., J. C., Santiard, Scampoli, Paola, H., Verweij, C., Gossling, B., Lisowski, A., Reichold, R., Spiwok, E., Tsesmeli, K., Benslama, R., Bonino, A. G., Clark, C., Couyoumtzeli, H., Kambara, X., Wu, E., Fretwurst, G., Lindstroem, T., Schultz, R. A., Bardo, G. W., Gorfine, G. F., Moorhead, G. N., Taylor, S. N., Tovey, J. H., Bibby, R. J., Hawking, N., Kundu, A., Weidberg, D., Campbell, P., Murray, P., Seller, and J., Teiger
Subjects: Physics, Nuclear and High Energy Physics, Signal processing, Large Hadron Collider, Physics::Instrumentation and Detectors, business.industry, Detector, Electrical engineering, Integrated circuit, Chip, law.invention, Semiconductor detector, law, Electronics, business, Instrumentation, silicon detector, Voltage
Abstract: The purpose of the RD2 project is to evaluate the feasibility of a silicon tracker and/or preshower detector for LHC. Irradiation studies with doses equivalent to those expected at LHC have been performed to determine the behavior of operational parameters such as leakage current, depletion voltage and charge collection during the life of the detector. The development of fast, dense, low power and low cost signal processing electronics is one of the major activities of the collaboration. We describe the first fully functional integrated analog memory chip with asynchronous read and write operations and level 1 trigger capture capabilities. A complete test beam system using this analog memory chip at 66 MHz has been successfully operated with RD2 prototype silicon detectors during various test runs. The flexibility of the electronics and readout have allowed us to easily interface our set-up to other data acquistion systems. Mechanical studies are in progress to design a silicon tracking detector with several million channels that may be operated at low (0–10°C) temperature, while maintaining the required geometrical precision. Prototype readout boards for such a detector are being developed and simulation studies are being performed to optimize the readout architecture.
Published: 2016

25. Jack Steinberger: Memories of the PS and of LEP

Author: E. Tsesmelis
Subjects: Physics, Particle physics, International integration, Time projection chamber, Large Hadron Collider, General Physics and Astronomy, Neutrino beam, Deep inelastic scattering, Engineering physics
Abstract: This contribution, a personal recollection by the author, is part of a special issue – CERN’s accelerators, experiments and international integration 1959–2009. Guest Editor: Herwig Schopper [Schopper, Herwig. 2011. Editorial. Eur. Phys. J. H 36: 437]
Published: 2012

26. Future colliders at CERN

Author: E. Tsesmelis
Subjects: Particle physics, Large Hadron Collider, Compact Linear Collider, Physics::Instrumentation and Detectors, Computer science, General Physics and Astronomy, law.invention, Nuclear physics, law, Muon collider, Physics::Accelerator Physics, High Energy Physics::Experiment, Nuclear Experiment, Collider
Abstract: Following an outline of the Large Hadron Collider, this paper will analyze CERN's scientific plans for high-energy colliders for the years to come. The immediate plans include the upgrades to the Large Hadron Collider and its injectors. This may be followed by a linear electron-positron collider, the Compact Linear Collider. This paper describes the design of these future colliders at CERN, all of which have a unique value to add to experimental particle physics
Published: 2010

27. A study on the applicability of solid state, real-time dosimeters to the CMS experiment at the large hadron collider

Author: E. Tsesmelis, M. Glaser, B. Camanzi, and L Adams
Subjects: Physics, Nuclear and High Energy Physics, Large Hadron Collider, Dosimeter, Physics::Instrumentation and Detectors, Nuclear Theory, Physics::Medical Physics, Electron, Radiation, Nuclear physics, Cathode ray, Dosimetry, Neutron, Irradiation, Nuclear Experiment, Instrumentation
Abstract: MOSFET dosimeters have been exposed to a large range of radiation fields: 192 MeV positive pions, 500 MeV electrons, 23 GeV protons and a wide energy-spectrum of neutrons. This is the first time that pion dosimetry with MOSFETs is presented. The response curves of the devices are given, together with an evaluation of their dynamic range, showing that these dosimeters can be successfully used to monitor radiation fields up to very high doses and fluences. In the 500 MeV electron beam, an irradiation of p + /n/n + diodes together with MOSFETs was also performed. The results of this irradiation show that both types of dosimeters can be used in CMS to monitor in real time the radiation environment.
Published: 2003

28. New results on a search for a 33.9 MeV/c2 neutral particle from π+ decay in the NOMAD experiment

Author: T. Weisse, J.-P. Mendiburu, K. Benslama, H. Zaccone, Alessandro Cardini, H. Pessard, Marco Fraternali, P. Rathouit, C. Joseph, Fr Pastore, B. A. Popov, P. Hurst, V. Flaminio, M. T. Tran, C. Lachaud, F. J. P. Soler, L. Di Lella, Giacomo Graziani, G. Bassompierre, S. Boyd, M. Valdata-Nappi, Marco Laveder, J.M. Gaillard, Roberto Ferrari, B. Lakić, G. N. Taylor, D. Steele, E. Gangler, J. Dumarchez, M. C. Gonzalez-Garcia, K. Schahmaneche, F. Juget, J. A. Hernando, Malcolm Ellis, M. Kirsanov, Th. Stolarczyk, A.-M. Touchard, O. Klimov, R. Cousins, Bruce Yabsley, J.J. Gómez-Cadenas, X. Méchain, J. Rico, A. Marchionni, J.-M. Vieira, Valerio Vercesi, A. Cervera-Villanueva, M. E. Sevior, Dmitry V. Naumov, Kevin Varvell, C. Nguyen-Mau, A. Placci, L. Camilleri, R. Petti, Stefano Lacaprara, A. Kovzelev, Fergus Wilson, T. Del Prete, Caroline Poulsen, E. do Couto e Silva, F. Salvatore, Vyacheslav Valuev, A. De Santo, E. Pennacchio, N. Hyett, S.A. Bunyatov, J. Bouchez, F. Vannucci, M. Gouanère, H. Degaudenzi, G. J. Feldman, J-P. Meyer, S. N. Tovey, I. Bird, A. Lupi, G. F. Moorhead, A. Grant, D. Hubbard, P. Zuccon, J.-M. Levy, G. Collazuol, Mario Stipčević, Didier Ferrere, G. Conforto, Barry Blumenfeld, L.J. Winton, A. Baldisseri, Claus Gößling, J. Kokkonen, G. Vidal-Sitjes, Sergei Gninenko, A. Krasnoperov, P. Nédélec, M. Mezzetto, T. Vinogradova, Nathalie Besson, D. Sillou, J. Ulrichs, Kai Zuber, E. Tsesmelis, Caren Hagner, T. Fazio, André Rubbia, A. Godley, G. Sozzi, A. Guglielmi, S.R. Mishra, Chiara Roda, L. Linssen, D. Pollmann, E. Iacopini, P. Astier, D. Autiero, F.V. Weber, A. Letessier-Selvon, D. Daniels, Giacomo Polesello, M. Tareb-Reyes, Vincenzo Cavasinni, J. Long, Domizia Orestano, F. Martelli, M. Contalbrigo, T. Dignan, U. Stiegler, A. Lanza, J. Gosset, D. Gibin, A. Polyarush, Achim Geiser, L. S. Peak, M. Veltri, Antonio Bueno, A. N. Toropin, L. La Rotonda, M. Baldo-Ceolin, M. Banner, D. Geppert, P.W. Cattaneo, Ante Ljubičić, F. Bobisut, N.V. Krasnikov, C. Conta, B. Schmidt, Yu. Nefedov, L. Vacavant, and V. Tereshchenko
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Neutrino decay, Neutrino mixing, Branching fraction, Nuclear physics, Pion, Pi, Direct search, Anomaly (physics), Neutral particle, Event (particle physics), KARMEN
Abstract: We report on a direct search in NOMAD for a new 33.9 MeV/c^2 neutral particle (X) produced in pion decay in flight, pi-->mu_X followed by the decay X -->nu e^+e^-. Both decays are postulated to occur to explain the time anomaly observed by the KARMEN experiment. From the analysis of the data collected during the 1996?1998 runs with 4.1×10^19 protons on target, a single candidate event consistent with background expectations was found. The search is sensitive to a pion branching ratio BR(pi-->muX >3.7×10^-15, significantly smaller than previous experimental limits.
Published: 2002

29. CERN and the high energy frontier

Author: E. Tsesmelis
Subjects: Physics, High energy, Frontier, Large Hadron Collider, QC1-999, Key (cryptography), Systems engineering, Engineering physics, Accelerators and Storage Rings, Particle Physics - Experiment
Abstract: This paper presents the particle physics programme at CERN at the high-energy frontier. Starting from the key open questions in particle physics and the large-scale science facilities existing at CERN, concentrating on the Large Hadron Collider(LHC), this paper goes on to present future possibilities for global projects in high energy physics. The paper presents options for future colliders, all being within the framework of the recently updated European Strategy for Particle Physics, and all of which have a unique value to add to experimental particle physics. The paper concludes by outlining key messages for the way forward for high-energy physics research.
Published: 2014

30. Final NOMAD results on νμ→ντ and νe→ντ oscillations including a new search for ντ appearance using hadronic τ decays

Author: P Astier, D Autiero, A Baldisseri, M Baldo-Ceolin, M Banner, G Bassompierre, K Benslama, N Besson, I Bird, B Blumenfeld, F Bobisut, J Bouchez, S Boyd, A Bueno, S Bunyatov, L Camilleri, A Cardini, P.W Cattaneo, V Cavasinni, A Cervera-Villanueva, A Chukanov, G Collazuol, G Conforto, C Conta, M Contalbrigo, R Cousins, D Daniels, H Degaudenzi, T Del Prete, A De Santo, T Dignan, L Di Lella, E do Couto e Silva, J Dumarchez, M Ellis, G.J Feldman, R Ferrari, D Ferrère, V Flaminio, M Fraternali, J.-M Gaillard, E Gangler, A Geiser, D Geppert, D Gibin, S Gninenko, A Godley, J.-J Gomez-Cadenas, J Gosset, C Gößling, M Gouanère, A Grant, G Graziani, A Guglielmi, C Hagner, J Hernando, D Hubbard, P Hurst, N Hyett, E Iacopini, C Joseph, F Juget, M Kirsanov, O Klimov, J Kokkonen, A Kovzelev, A Krasnoperov, D Kustov, V.E Kuznetsov, S Lacaprara, C Lachaud, B Lakić, A Lanza, L La Rotonda, M Laveder, A Letessier-Selvon, J.-M Levy, L Linssen, A Ljubič, J Long, A Lupi, A Marchionni, F Martelli, X Méchain, J.-P Mendiburu, J.-P Meyer, M Mezzetto, S.R Mishra, G.F Moorhead, D Naumov, P Nédélec, Yu Nefedov, C Nguyen-Mau, D Orestano, F Pastore, L.S Peak, E Pennacchio, H Pessard, R Petti, A Placci, G Polesello, D Pollmann, A Polyarush, B Popov, C Poulsen, J Rico, P Riemann, C Roda, A Rubbia, F Salvatore, K Schahmaneche, B Schmidt, T Schmidt, A Sconza, M Sevior, D Sillou, F.J.P Soler, G Sozzi, D Steele, U Stiegler, M Stipč, Th Stolarczyk, M Tareb-Reyes, G.N Taylor, V Tereshchenko, A Toropin, A.-M Touchard, S.N Tovey, M.-T Tran, E Tsesmelis, J Ulrichs, L Vacavant, M Valdata-Nappi, V Valuev, F Vannucci, K.E Varvell, M Veltri, V Vercesi, G Vidal-Sitjes, J.-M Vieira, T Vinogradova, F.V Weber, T Weisse, F.F Wilson, L.J Winton, B.D Yabsley, H Zaccone, K Zuber, and P Zuccon
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, 010308 nuclear & particles physics, Oscillation, 0103 physical sciences, Hadron, High Energy Physics::Experiment, Neutrino beam, 010306 general physics, 01 natural sciences, Lepton
Abstract: Results from the nu_tau appearance search in a neutrino beam using the full NOMAD data sample are reported. A new analysis unifies all the hadronic tau decays, significantly improving the overall sensitivity of the experiment to oscillations. The "blind analysis" of all topologies yields no evidence for an oscillation signal. In the two-family oscillation scenario, this sets a 90% C.L. allowed region in the sin^2(2theta)-Delta m^2 plane which includes sin^2(2theta) nu_tau oscillation hypothesis results in sin^2(2theta)
Published: 2001

31. A study of backward going p and π− in interactions with the NOMAD detector

Author: P. Astier, D. Autiero, A. Baldisseri, M. Baldo-Ceolin, M. Banner, G. Bassompierre, N. Besson, I. Bird, B. Blumenfeld, F. Bobisut, J. Bouchez, S. Boyd, A. Bueno, S. Bunyatov, L. Camilleri, A. Cardini, P.W. Cattaneo, V. Cavasinni, A. Cervera-Villanueva, A. Chukanov, G. Collazuol, G. Conforto, C. Conta, M. Contalbrigo, R. Cousins, D. Daniels, H. Degaudenzi, T. Del Prete, A. De Santo, T. Dignan, L. Di Lella, E. do Couto e Silva, J. Dumarchez, M. Ellis, T. Fazio, G.J. Feldman, R. Ferrari, D. Ferrère, V. Flaminio, M. Fraternali, J.-M. Gaillard, E. Gangler, A. Geiser, D. Geppert, D. Gibin, S. Gninenko, A. Godley, J.-J. Gomez-Cadenas, J. Gosset, C. Gößling, M. Gouanère, A. Grant, G. Graziani, A. Guglielmi, C. Hagner, J. Hernando, D. Hubbard, P. Hurst, N. Hyett, E. Iacopini, C. Joseph, F. Juget, M. Kirsanov, O. Klimov, J. Kokkonen, A. Kovzelev, A. Krasnoperov, D. Kustov, V. Kuznetsov, S. Lacaprara, C. Lachaud, B. Lakić, A. Lanza, L. La Rotonda, M. Laveder, A. Letessier-Selvon, J.-M. Levy, L. Linssen, A. Ljubičić, J. Long, A. Lupi, A. Marchionni, F. Martelli, X. Méchain, J.-P. Mendiburu, J.-P. Meyer, M. Mezzetto, S.R. Mishra, G.F. Moorhead, D. Naumov, P. Nédélec, Yu. Nefedov, C. Nguyen-Mau, D. Orestano, F. Pastore, L.S. Peak, E. Pennacchio, H. Pessard, R. Petti, A. Placci, G. Polesello, D. Pollmann, A. Polyarush, B. Popov, C. Poulsen, J. Rico, P. Riemann, C. Roda, A. Rubbia, F. Salvatore, K. Schahmaneche, B. Schmidt, T. Schmidt, M. Sevior, D. Sillou, F.J.P. Soler, G. Sozzi, D. Steele, U. Stiegler, M. Stipčević, Th. Stolarczyk, M. Tareb-Reyes, G.N. Taylor, V. Tereshchenko, A. Toropin, A.-M. Touchard, S.N. Tovey, M.-T. Tran, E. Tsesmelis, J. Ulrichs, L. Vacavant, M. Valdata-Nappi, V. Valuev, F. Vannucci, K.E. Varvell, M. Veltri, V. Vercesi, G. Vidal-Sitjes, J.-M. Vieira, T. Vinogradova, F.V. Weber, T. Weisse, F.F. Wilson, L.J. Winton, B.D. Yabsley, H. Zaccone, K. Zuber, and P. Zuccon
Subjects: Physics, Nuclear and High Energy Physics, Range (particle radiation), Particle physics, Proton, 010308 nuclear & particles physics, Detector, Order (ring theory), 01 natural sciences, Momentum, 0103 physical sciences, Pi, Particle, Production (computer science), 010306 general physics
Abstract: Backward proton and $\pi^-$ production has been studied in $\nu_{\mu}CC$ interactions with carbon nuclei. Detailed analyses of the momentum distributions, of the production rates, and of the general features of events with a backward going particle, have been carried out in order to understand the mechanism producing these particles. The backward proton data have been compared with the predictions of the reinteraction and the short range correlation models.
Published: 2001

32. Measurement of the polarization in νμ charged current interactions in the NOMAD experiment

Author: J. Long, J. Gosset, J.-P. Mendiburu, J. A. Hernando, Alessandro Cardini, D. Gibin, A. Letessier-Selvon, P. Hurst, L. S. Peak, T. Vinogradova, A. Placci, J.M. Gaillard, Barry Blumenfeld, L. Di Lella, D. Steele, D. Daniels, Giacomo Polesello, M. Tareb-Reyes, Th. Stolarczyk, D. Kustov, A. Polyarush, Kevin Varvell, M. E. Sevior, A. Cervera-Villanueva, A. De Santo, T. Dignan, C. Conta, M. Gouanere, G. Vidal-Sitjes, M. Kirsanov, Achim Geiser, Didier Ferrere, B. Schmidt, Antonio Bueno, R. Petti, A. Marchionni, R. Cousins, Fergus Wilson, O.L. Klimov, J.-M. Vieira, A. N. Toropin, A.-M. Touchard, T. Weisse, André Rubbia, G. Conforto, A. Grant, P. Nedelec, L. Camilleri, G. Bassompierre, M. Mezzetto, Caroline Poulsen, Artem Chukanov, E. Iacopini, S. Boyd, F. Martelli, B. Lakić, M. Veltri, G. Collazuol, Mario Stipčević, J. Kokkonen, G. N. Taylor, Sergei Gninenko, Kai Zuber, Malcolm Ellis, A. Kovzelev, Valentin Kuznetsov, Vincenzo Cavasinni, E. do Couto e Silva, J-P. Meyer, B. A. Popov, V. Flaminio, L.J. Winton, S.A. Bunyatov, Nathalie Besson, F. J. P. Soler, Roberto Ferrari, J. Ulrichs, Yu. Nefedov, L. Vacavant, J.J. Gómez-Cadenas, L. La Rotonda, G. Sozzi, I. Bird, A. Baldisseri, J. Bouchez, U. Stiegler, D. Geppert, P.W. Cattaneo, Ante Ljubičić, Bruce Yabsley, X. Méchain, A. Guglielmi, A. Lupi, P. Riemann, Claus Gößling, Alexey Krasnoperov, F. Salvatore, E. Tsesmelis, Caren Hagner, M. Baldo-Ceolin, M. Banner, A. Lanza, Marco Fraternali, T. Schmidt, A. Godley, M. T. Tran, E. Gangler, Valerio Vercesi, S.R. Mishra, M. Valdata-Nappi, Frédéric Juget, Chiara Roda, Vyacheslav Valuev, Dmitry V. Naumov, P. Astier, J. Rico, F. Vannucci, D. Autiero, E. Pennacchio, N. Hyett, D. Pollmann, D. Hubbard, P. Zuccon, H. Zaccone, T. Fazio, C. Joseph, H. Pessard, Domizia Orestano, Marco Laveder, L. Linssen, J. Dumarchez, M. Contalbrigo, F.V. Weber, J. M. Levy, H. Degaudenzi, G. J. Feldman, G. F. Moorhead, C. Lachaud, Giacomo Graziani, K. Schahmaneche, S. Lacaprara, V. Tereshchenko, F. Bobisut, C. Nguyen-Mau, T. Del Prete, D. Sillou, S.N. Tovey, and Fr Pastore
Subjects: Physics, Nuclear and High Energy Physics, Angular momentum, 010308 nuclear & particles physics, Elementary particle, Polarization (waves), 7. Clean energy, 01 natural sciences, Nuclear physics, 0103 physical sciences, Bubble chamber, High Energy Physics::Experiment, Nuclear Experiment, 010306 general physics, Nucleon, Charged current, Lepton, Boson
Abstract: The Λ polarization in νμ charged current interactions has been measured in the NOMAD experiment. The event sample (8087 reconstructed Λ 's) is more than an order of magnitude larger than that of previous bubble chamber experiments, while the quality of event reconstruction is comparable. We observe negative polarization along the W -boson direction which is enhanced in the target fragmentation region: Px(xF 0)=−0.09±0.06(stat)±0.03(sys) . These results provide a test of different models describing the nucleon spin composition and the spin transfer mechanisms. A significant transverse polarization (in the direction orthogonal to the Λ production plane) has been observed for the first time in a neutrino experiment: Py=−0.22±0.03(stat)±0.01(sys) . The dependence of the absolute value of Py on the Λ transverse momentum with respect to the hadronic jet direction is in qualitative agreement with the results from unpolarized hadron–hadron experiments.
Published: 2001

33. Measurement of the polarization in charged current interactions in the NOMAD experiment

Author: T. Weisse, D. Sillou, F. Salvatore, Vyacheslav Valuev, A. Godley, A. Guglielmi, H. Zaccone, G. J. Feldman, G. F. Moorhead, C. Gssling, B. Schmidt, T. Fazio, O.L. Klimov, Laurent Vacavant, S. Tereshchenko, J. M. Levy, C. Joseph, Michel Gouanère, A. Placci, S.R. Mishra, F. F. Wilson, F. Bobisut, D. Autiero, Frédéric Juget, U. Stiegler, C. Nguyen-Mau, J. Long, E. Tsesmelis, Caren Hagner, R. Petti, D. Geppert, P.W. Cattaneo, Ante Ljubičić, Caroline Poulsen, A. De Santo, A. Polyarush, J.M. Gaillard, P. Rathouit, Achim Geiser, S.A. Bunyatov, J. Kokkonen, Marco Laveder, D. Hubbard, P. Zuccon, J.-P. Mendiburu, Artem Chukanov, J. A. Hernando, I. Bird, A. Lanza, K. Benslama, T. Vinogradova, R. Cousins, Alessandro Cardini, Marco Fraternali, L. La Rotonda, T. Schmidt, A. Lupi, J.-M. Vieira, D. Kustov, Didier Ferrere, L. Linssen, F. Vannucci, M. T. Tran, T. Dignan, T. Del Prete, L. S. Peak, A. M. Touchard, M. Contalbrigo, Roberto Ferrari, Valerio Vercesi, F.V. Weber, Nathalie Besson, C. Conta, M. Kirsanov, E. Gangler, G. Collazuol, Mario Stipčević, Malcolm Ellis, M. Valdata-Nappi, Sergei Gninenko, Antonio Bueno, A. N. Toropin, V. Flaminio, Domizia Orestano, P. Hurst, Kevin Varvell, Dmitry V. Naumov, G. Polesello, M. Banner, F. J. P. Soler, A. Baldisseri, P. Riemann, A. Letessier-Selvon, Alastair Grant, Bruce Yabsley, X. Méchain, André Rubbia, H. Degaudenzi, L. Di Lella, S. B. Boyd, J. Gosset, H. Pessard, P. Nedelec, Chiara Roda, D. Daniels, J.J. Gómez-Cadenas, D. Steele, G. Conforto, Barry Blumenfeld, J. Rico, C. Lachaud, A. Cervera-Villanueva, N. Hyett, D. Pollmann, G. Bassompierre, E. Iacopini, M. Tareb-Reyes, A. Marchionni, Valentin Kuznetsov, B. A. Popov, S. Lacaprara, E. Pennacchio, D. Gibin, K. Schahmaneche, E Silva E. Do Couto, J-P. Meyer, M. E. Sevior, M. Veltri, J. Dumarchez, L. Camilleri, L.J. Winton, F. Martelli, G. Graziani, B. Lakić, Vincenzo Cavasinni, G. N. Taylor, J. Ulrichs, J. Bouchez, Yu. Nefedov, G. Sozzi, A. Kovzelev, T. Stolarczyk, M. Mezzetto, Kai Zuber, P. Astier, Alexey Krasnoperov, M. Baldo-Ceolin, S.N. Tovey, and Fr Pastore
Subjects: Physics, Nuclear and High Energy Physics, 010308 nuclear & particles physics, High Energy Physics::Phenomenology, Hadron, Polarization (waves), Lambda, 01 natural sciences, Nuclear physics, 0103 physical sciences, Bubble chamber, High Energy Physics::Experiment, Neutrino, Nuclear Experiment, 010306 general physics, Nucleon, Order of magnitude, Charged current
Abstract: The $\Lambda$ polarization in $\nu_\mu$ charged current interactions has been measured in the NOMAD experiment. The event sample (8087 reconstructed $\Lambda$'s) is more than an order of magnitude larger than that of previous bubble chamber experiments, while the quality of event reconstruction is comparable. We observe negative polarization along the $W$-boson direction which is enhanced in the target fragmentation region: $P_x (x_F 0) = -0.21 \pm 0.04 \mbox{(stat)} \pm 0.02 \mbox{(sys)}$. In the current fragmentation region we find $P_x (x_F 0) = -0.09 \pm 0.06 \mbox{(stat)} \pm 0.03 \mbox{(sys)}$. These results provide a test of different models describing the nucleon spin composition and the spin transfer mechanisms. A significant transverse polarization (in the direction orthogonal to the $\Lambda$ production plane) has been observed for the first time in a neutrino experiment: $P_y = -0.22 \pm 0.03 \mbox{(stat)} \pm 0.01 \mbox{(sys)}$. The dependence of the absolute value of $P_y$ on the $\Lambda$ transverse momentum with respect to the hadronic jet direction is in qualitative agreement with the results from unpolarized hadron-hadron experiments.
Published: 2000

34. Limit on νe→ντ oscillations from the NOMAD experiment

Author: J. A. Hernando, D. Steele, H. Pessard, Roberto Ferrari, M. Steininger, C. Lachaud, Malcolm Ellis, J.J. Gómez-Cadenas, Bruce Yabsley, A. Cervera-Villanueva, L. Camilleri, X. Méchain, J. Kokkonen, F. Martelli, T. Weisse, A. Krasnoperov, S. Bunyatov, Achim Geiser, A. N. Toropin, Th. Stolarczyk, E. Pennacchio, M. Mezzetto, D. Sillou, P. Rathouit, Giacomo Graziani, N. Hyett, A. Letessier-Selvon, S.N. Tovey, Kai Zuber, Fr Pastore, E. do Couto e Silva, M. E. Sevior, M. Veltri, G. Bassompierre, D. Daniels, M. Gouanère, M. Tareb-Reyes, J. M. Gaillard, T. Vinogradova, A. Godley, Valentin Kuznetsov, J. Dumarchez, S. Boyd, J. Long, D. Geppert, Caroline Poulsen, J-P. Meyer, L. Linssen, P.W. Cattaneo, Ante Ljubičić, B. Lakić, L.J. Winton, U. Stiegler, Marco Fraternali, G. N. Taylor, J. Ulrichs, Chiara Roda, D. Pollmann, H. Degaudenzi, J.-P. Mendiburu, G. J. Feldman, F. Salvatore, G. F. Moorhead, G. Sozzi, Valerio Vercesi, Kevin Varvell, G. Polesello, F. V. Weber, Alessandro Cardini, Domizia Orestano, Claus Gößling, J. Gosset, O. Klimov, A. Grant, M. Baldo-Ceolin, D. Gibin, H. Zaccone, C. Nguyen-Mau, T. Del Prete, P. Hurst, A. Polayrush, K. Benslama, Vyacheslav Valuev, F. Vannucci, C. Joseph, A. Guglielmi, L. Di Lella, F. Juget, A. Lanza, M. Valdata-Nappi, M. T. Tran, T. Dignan, A. Pluquet, L.S. Peak, M. Kirsanov, G. Ballocchi, D. Hubbard, P. Zuccon, K. Schahmaneche, L. La Rotonda, S. R. Mishra, M. Banner, Marco Laveder, E. Gangler, M. Contalbrigo, A. Bueno, Nathalie Besson, P. Riemann, R. Cousins, J.-M. Vieira, I. Bird, J. Rico, A. Marchionni, A. Kovzelev, André Rubbia, Barry Blumenfeld, E. Iacopini, Vincenzo Cavasinni, D. Autiero, V. Flaminio, F. J. P. Soler, Didier Ferrere, Sergei Gninenko, P. Astier, E. Tsesmelis, Caren Hagner, T. Schmidt, J. Bouchez, A. Lupi, A. Baldisseri, S. Lacaprara, Yu. Nefedov, L. Vacavant, A. Placci, F. Bobisut, A. De Santo, C. Conta, B. Schmidt, G. Conforto, A. M. Touchard, P. Nédélec, J. M. Levy, R. Petti, Fergus Wilson, G. Collazuol, Mario Stipčević, and B. A. Popov
Subjects: Nuclear physics, Physics, Nuclear and High Energy Physics, Particle physics, 010308 nuclear & particles physics, 0103 physical sciences, Context (language use), Limit (mathematics), Neutrino beam, 010306 general physics, Neutrino oscillation, 01 natural sciences, Charged current
Abstract: In the context of a two-flavour approximation we reinterpret the published NOMAD limit on ν μ → ν τ oscillations in terms of ν e → ν τ oscillations. At 90% C.L. we obtain sin 2 2θ eτ 5.2×10 −2 for large Δm 2 , while for sin 2 2 θ eτ =1 the confidence region includes Δm 2 2 / c 4 .
Published: 2000

35. CMS technical design report, volume II: Physics performance

Author: G. L. BAYATIAN, S. CHATRCHYAN, G. HMAYAKYAN, A. M. SIRUNYAN, W. ADAM, T. BERGAUER, M. DRAGICEVIC, J. ERO, M. FRIEDL, R. FRUEHWIRTH, V. GHETE, P. GLASER, J. HRUBEC, M. JEITLER, M. KRAMMER, I. MAGRANS, I. MIKULEC, W. MITAROFF, T. NOEBAUER, M. PERNICKA, P. PORTH, H. ROHRINGER, J. STRAUSS, A. TAUROK, W. WALTENBERGER, G. WALZEL, E. WIDL, C. E. WULZ, A. FEDOROV, M. KORZHIK, O. MISSEVITCH, R. ZUYEUSKI, V. CHEKHOVSKY, O. DVORNIKOV, I. EMELIANTCHIK, A. LITOMIN, V. MOSSOLOV, N. SHUMEIKO, A. SOLIN, R. STEFANOVITCH, J. SUAREZ GONZALEZ, A. TIKHONOV, V. PETROV, J. D'HONDT, S. DE WEIRDT, R. GOORENS, J. HEYNINCK, S. LOWETTE, S. TAVERNIER, W. VAN DONINCK, L. VAN LANCKER, O. BOUHALI, B. CLERBAUX, G. DE LENTDECKER, J. P. DEWULF, T. MAHMOUD, P. E. MARAGE, L. NEUKERMANS, V. SUNDARARAJAN, C. VANDER VELDE, P. VANLAER, J. WICKENS, S. ASSOUAK, J. L. BONNET, G. BRUNO, J. CAUDRON, B. DE CALLATAY, J. DE FAVEREAU DE JENERET, S. DE VISSCHER, C. DELAERE, P. DEMIN, D. FAVART, E. FELTRIN, E. FORTON, G. GREGOIRE, S. KALININ, D. KCIRA, T. KEUTGEN, G. LEIBENGUTH, V. LEMAITRE, Y. LIU, D. MICHOTTE, O. MILITARU, A. NINANE, S. OVYN, T. PIERZCHALA, K. PIOTRZKOWSKI, V. ROBERFROID, X. ROUBY, D. TEYSSIER, O. VAN DER AA, M. VANDER DONCKT, E. DAUBIE, P. HERQUET, A. MOLLET, A. ROMEYER, W. BEAUMONT, M. CARDACI, E. DE LANGHE, E. A. DE WOLF, L. RURUA, M. H. G. SOUZA, V. OGURI, A. SANTORO, A. SZNAJDER, M. VAZ, E. M. GREGORES, S. F. NOVAES, T. ANGUELOV, G. ANTCHEV, I. ATANASOV, J. DAMGOV, N. DARMENOV, L. DIMITROV, V. GENCHEV, P. IAYDJIEV, B. PANEV, S. PIPEROV, S. STOYKOVA, G. SULTANOV, I. VANKOV, A. DIMITROV, V. KOZHUHAROV, L. LITOV, M. MAKARIEV, A. MARINOV, E. MARINOVA, S. MARKOV, M. MATEEV, B. PAVLOV, P. PETKOV, C. SABEV, S. STOYNEV, Z. TOTEVA, V. VERGUILOV, G. M. CHEN, H. S. CHEN, K. L. HE, C. H. JIANG, W. G. LI, H. M. LIU, X. MENG, X. Y. SHEN, H. S. SUN, M. YANG, W. R. ZHAO, H. L. ZHUANG, Y. BAN, J. CAI, S. LIU, S. J. QIAN, Z. C. YANG, Y. L. YE, J. YING, J. WU, Z. P. ZHANG, N. GODINOVIC, I. PULJAK, I. SORIC, Z. ANTUNOVIC, M. DZELALIJA, K. MARASOVIC, V. BRIGLJEVIC, D. FERENCEK, K. KADIJA, S. MOROVIC, M. PLANINIC, C. NICOLAOU, A. PAPADAKIS, P. A. RAZIS, D. TSIAKKOURI, A. HEKTOR, M. KADASTIK, K. KANNIKE, E. LIPPMAA, M. MUNTEL, M. RAIDAL, P. A. AARNIO, S. CZELLAR, E. HAEGGSTROEM, A. HEIKKINEN, J. HARKONEN, V. KARIMAKI, R. KINNUNEN, T. LAMPEN, K. LASSILA PERINI, S. LEHTI, T. LINDEN, P. R. LUUKKA, S. MICHAL, T. MAENPAA, J. NYSTEN, M. STETTLER, E. TUOMINEN, J. TUOMINIEMI, L. WENDLAND, T. TUUVA, J. P. GUILLAUD, P. NEDELEC, D. SILLOU, M. ANFREVILLE, S. BEAUCERON, E. BOUGAMONT, P. BREDY, R. CHIPAUX, M. DEJARDIN, D. DENEGRI, J. DESCAMPS, B. FABBRO, J. L. FAURE, S. GANJOUR, F. X. GENTIT, A. GIVERNAUD, P. GRAS, G. HAMEL DE MONCHENAULT, P. JARRY, F. KIRCHER, M. C. LEMAIRE, B. LEVESY, E. LOCCI, J. P. LOTTIN, I. MANDJAVIDZE, M. MUR, E. PASQUETTO, A. PAYN, J. RANDER, J. M. REYMOND, F. RONDEAUX, A. ROSOWSKY, Z. H. SUN, P. VERRECCHIA, S. BAFFIONI, F. BEAUDETTE, M. BERCHER, U. BERTHON, S. BIMBOT, J. BOUROTTE, P. BUSSON, M. CERUTTI, D. CHAMONT, C. CHARLOT, C. COLLARD, D. DECOTIGNY, E. DELMEIRE, L. DOBRZYNSKI, A. M. GAILLAC, Y. GEEREBAERT, J. GILLY, M. HAGUENAUER, A. KARAR, A. MATHIEU, G. MILLERET, P. MINE, P. PAGANINI, T. ROMANTEAU, I. SEMENIOUK, Y. SIROIS, J. D. BERST, J. M. BROM, F. DIDIERJEAN, F. DROUHIN, J. C. FONTAINE, U. GOERLACH, P. GRAEHLING, L. GROSS, L. HOUCHU, P. JUILLOT, A. LOUNIS, C. MAAZOUZI, D. MANGEOL, C. OLIVETTO, T. TODOROV, P. VAN HOVE, D. VINTACHE, M. AGERON, J. L. AGRAM, G. BAULIEU, M. BEDJIDIAN, J. BLAHA, A. BONNEVAUX, G. BOUDOUL, E. CHABANAT, C. COMBARET, D. CONTARDO, R. DELLA NEGRA, P. DEPASSE, T. DUPASQUIER, H. EL MAMOUNI, N. ESTRE, J. FAY, S. GASCON, N. GIRAUD, C. GIRERD, R. HAROUTUNIAN, J. C. IANIGRO, B. ILLE, M. LETHUILLIER, N. LUMB, H. MATHEZ, G. MAURELLI, L. MIRABITO, S. PERRIES, O. RAVAT, R. KVATADZE, V. ROINISHVILI, R. ADOLPHI, R. BRAUER, W. BRAUNSCHWEIG, H. ESSER, L. FELD, A. HEISTER, W. KARPINSKI, K. KLEIN, C. KUKULIES, J. OLZEM, A. OSTAPCHUK, D. PANDOULAS, G. PIERSCHEL, F. RAUPACH, S. SCHAEL, G. SCHWERING, M. THOMAS, M. WEBER, B. WITTMER, M. WLOCHAL, A. ADOLF, P. BIALLASS, M. BONTENACKELS, M. ERDMANN, H. FESEFELDT, T. HEBBEKER, S. HERMANN, G. HILGERS, K. HOEPFNER, C. HOF, S. KAPPLER, M. KIRSCH, D. LANSKE, B. PHILIPPS, H. REITHLER, T. ROMMERSKIRCHEN, M. SOWA, H. SZCZESNY, M. TONUTTI, O. TSIGENOV, F. BEISSEL, M. DAVIDS, M. DUDA, G. FLUGGE, T. FRANKE, M. GIFFELS, T. HERMANNS, D. HEYDHAUSEN, S. KASSELMANN, G. KAUSSEN, T. KRESS, A. LINN, A. NOWACK, M. POETTGENS, O. POOTH, A. STAHL, D. TORNIER, A. FLOSSDORF, B. HEGNER, J. MNICH, C. ROSEMANN, G. FLUCKE, U. HOLM, R. KLANNER, U. PEIN, N. SCHIRM, P. SCHLEPER, G. STEINBRUCK, M. STOYE, R. VAN STAA, K. WICK, P. BLUM, V. BUEGE, W. DE BOER, G. DIRKES, M. FAHRER, M. FEINDT, U. FELZMANN, J. FERNANDEZ MENENDEZ, M. FREY, A. FURGERI, F. HARTMANN, S. HEIER, C. JUNG, B. LEDERMANN, T.H. MULLER, M. NIEGEL, A. OEHLER, T. ORTEGA GOMEZ, C. PIASECKI, G. QUAST, K. RABBERTZ, C. SAOUT, A. SCHEURER, D. SCHIEFERDECKER, A. SCHMIDT, H. J. SIMONIS, A. THEEL, A. VEST, T. WEILER, C. WEISER, J. WENG, V. ZHUKOV, G. KARAPOSTOLI, P. KATSAS, P. KREUZER, A. PANAGIOTOU, C. PAPADIMITROPOULOS, G. ANAGNOSTOU, M. BARONE, T. GERALIS, C. KALFAS, A. KOIMAS, A. KYRIAKIS, S. KYRIAZOPOULOU, D. LOUKAS, A. MARKOU, C. MARKOU, C. MAVROMMATIS, K. THEOFILATOS, G. VERMISOGLOU, A. ZACHARIADOU, X. ASLANOGLOU, I. EVANGELOU, P. KOKKAS, N. MANTHOS, I. PAPADOPOULOS, G. SIDIROPOULOS, F. A. TRIANTIS, G. BENCZE, L. BOLDIZSAR, C. HAJDU, D. HORVATH, A. LASZLO, G. ODOR, F. SIKLER, N. TOTH, G. VESZTERGOMBI, P. ZALAN, J. MOLNAR, N. BENI, A. KAPUSI, G. MARIAN, P. RAICS, Z. SZABO, Z. SZILLASI, G. ZILIZ, H. S. BAWA, S. B. BERI, V. BHANDARI, V. BHATNAGAR, M. KAUR, R. KAUR, J. M. KOHLI, A. KUMAR, J. B. SINGH, A. BHARDWAJ, S. BHATTACHARYA, S. CHATTERJI, S. CHAUHAN, B. C. CHOUDHARY, P. GUPTA, M. JHA, K. RANJAN, R. K. SHIVPURI, A. K. SRIVASTAVA, S. BORKAR, M. DIXIT, M. GHODGAONKAR, S. K. KATARIA, S. K. LALWANI, V. MISHRA, A. K. MOHANTY, A. TOPKAR, T. AZIZ, S. BANERJEE, S. BOSE, N. CHEERE, S. CHENDVANKAR, P. V. DESHPANDE, M. GUCHAIT, A. GURTU, M. MAITY, G. MAJUMDER, K. MAZUMDAR, A. NAYAK, M. R. PATIL, S. SHARMA, K. SUDHAKAR, S. C. TONWAR, B. S. ACHARYA, S. BHEESETTE, S. DUGAD, S. D. KALMANI, V. R. LAKKIREDDI, N. K. MONDAL, N. PANYAM, P. VERMA, M. ARABGOL, H. ARFAEI, M. HASHEMI, M. MOHAMMADI, M. MOHAMMADI NAJAFABADI, A. MOSHAII, S. PAKTINAT MEHDIABADI, M. GRUNEWALD, M. ABBRESCIA, L. BARBONE, A. COLALEO, D. CREANZA, N. DE FILIPPIS, M. DE PALMA, G. DONVITO, L. FIORE, D. GIORDANO, G. IASELLI, F. LODDO, G. MAGGI, M. MAGGI, N. MANNA, B. MARANGELLI, M. S. MENNEA, S. MY, S. NATALI, S. NUZZO, G. PUGLIESE, V. RADICCI, A. RANIERI, F. ROMANO, G. SELVAGGI, L. SILVESTRIS, P. TEMPESTA, R. TRENTADUE, G. ZITO, G. ABBIENDI, W. BACCHI, A. BENVENUTI, S. BRAIBANT GIACOMELLI, F. R. CAVALLO, C. CIOCCA, G. CODISPOTI, I. D'ANTONE, G. M. DALLAVALLE, P. GIACOMELLI, C. GRANDI, M. GUERZONI, S. MARCELLINI, F. ODORICI, S. ALBERGO, M. CHIORBOLI, S. COSTA, M. GALANTI, G. GATTO ROTONDO, F. NOTO, R. POTENZA, G. RUSSO, A. TRICOMI, C. TUVE, A. BOCCI, G. CIRAOLO, V. CIULLI, C. CIVININI, R. D'ALESSANDRO, E. FOCARDI, C. GENTA, P. LENZI, A. MACCHIOLO, N. MAGINI, F. MANOLESCU, C. MARCHETTINI, L. MASETTI, S. MERSI, M. MESCHINI, S. PAOLETTI, G. PARRINI, R. RANIERI, M. SANI, P. FABBRICATORE, S. FARINON, M. GRECO, G. CATTANEO, A. DE MIN, M. DOMINONI, F. M. FARINA, F. FERRI, A. GHEZZI, P. GOVONI, R. LEPORINI, S. MAGNI, M. MALBERTI, S. MALVEZZI, S. MARELLI, D. MENASCE, L. MORONI, P. NEGRI, M. PAGANONI, D. PEDRINI, A. PULLIA, S. RAGAZZI, N. REDAELLI, C. ROVELLI, M. ROVERE, L. SALA, S. SALA, R. SALERNO, T. TABARELLI DE FATIS, S. VIGANO, G. COMUNALE, F. FABOZZI, D. LOMIDZE, S. MELE, P. PAOLUCCI, D. PICCOLO, G. POLESE, C. SCIACCA, P. AZZI, N. BACCHETTA, M. BELLATO, M. BENETTONI, D. BISELLO, E. BORSATO, A. CANDELORI, P. CHECCHIA, E. CONTI, M. DE MATTIA, T. DORIGO, V. DROLLINGER, F. FANZAGO, F. GASPARINI, U. GASPARINI, M. 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MOHR, J. MUMFORD, S. OTWINOWSKI, G. RAKNESS, P. SCHLEIN, Y. SHI, J. TUCKER, V. VALUEV, R. WALLNY, H.G. WANG, X. YANG, Y. ZHENG, R. CLARE, D. FORTIN, D. FUTYAN, J.W. GARY, M. GIUNTA, G. HANSON, G.Y. JENG, S.C. KAO, H. LIU, G. PASZTOR, A. SATPATHY, B.C. SHEN, R. STRINGER, V. SYTNIK, R. WILKEN, D. ZER-ZION, J.G. BRANSON, E. DUSINBERRE, J. LETTS, T. MARTIN, M. MOJAVER, H.P. PAAR, H. PI, M. PIERI, A. RANA, V. SHARMA, A. WHITE, F. WURTHWEIN, A. AFFOLDER, C. CAMPAGNARI, C. HILL, J. INCANDELA, S. KYRE, J. LAMB, J. RICHMAN, D. STUART, D. WHITE, J. ALBERT, A. BORNHEIM, J. BUNN, J. CHEN, G. DENIS, P. GALVEZ, M. GATAULLIN, I. LEGRAND, V. LITVINE, Y. MA, D. NAE, H.B. NEWMAN, S. RAVOT, S. SHEVCHENKO, S. SINGH, C. STEENBERG, X. SU, V. TIMCIUC, F. VAN LINGEN, J. VEVERKA, B.R. VOICU, A. WEINSTEIN, R. WILKINSON, Y. YANG, L.Y. ZHANG, K. ZHU, R.Y. ZHU, T. FERGUSON, M. PAULINI, J. RUSS, N. TERENTYEV, H. VOGEL, I. VOROBIEV, J.P. CUMALAT, W.T. FORD, D. JOHNSON, U. NAUENBERG, K. STENSON, S.R. WAGNER, J. ALEXANDER, D. CASSEL, K. ECKLUND, B. HELTSLEY, C.D. JONES, V. KUZNETSOV, J.R. PATTERSON, A. RYD, J. THOM, P. WITTICH, C.P. BEETZ, G. CIRINO, V. PODRASKY, C. SANZENI, D. WINN, S. ABDULLIN, M.A. AFAQ, M. ALBROW, J. AMUNDSON, G. APOLLINARI, M. ATAC, W. BADGETT, J.A. BAKKEN, B. BALDIN, L.A.T. BAUERDICK, A. BAUMBAUGH, U. BAUR, P.C. BHAT, F. BORCHERDING, K. BURKETT, J.N. BUTLER, H. CHEUNG, I. CHURIN, S. CIHANGIR, M. DEMARTEAU, D.P. EARTLY, J.E. ELIAS, V.D. ELVIRA, I. FISK, J. FREEMAN, P. GARTUNG, F.J.M. GEURTS, D.A. GLENZINSKI, E. GOTTSCHALK, G. GRAHAM, D. GREEN, G.M. GUGLIELMO, Y. GUO, O. GUTSCHE, A. HAHN, J. HANLON, S. HANSEN, R.M. HARRIS, T. HESSELROTH, S.L. HOLM, B. HOLZMAN, S. IQBAL, E. JAMES, M. JOHNSON, U. JOSHI, B. KLIMA, J. KOWALKOWSKI, T. KRAMER, S. KWAN, E. LA VALLIE, M. LARWILL, S. LOS, L. LUEKING, G. LUKHANIN, S. LUSIN, K. MAESHIMA, P. MCBRIDE, S.J. MURRAY, V. O'DELL, M. PATERNO, J. PATRICK, D. PETRAVICK, R. PORDES, O. PROKOFYEV, V. RASMISLOVICH, N. RATNIKOVA, A. RONZHIN, V. SEKHRI, E. SEXTON-KENNEDY, T. SHAW, D. SKOW, R.P. SMITH, W.J. SPALDING, L. SPIEGEL, M. STAVRIANAKOU, G. STIEHR, I. SUZUKI, P. TAN, W. TANENBAUM, S. TKACZYK, S. VESELI, R. VIDAL, H. WENZEL, J. WHITMORE, W.J. WOMERSLEY, W.M. WU, Y. WU, A. YAGIL, J. YARBA, J.C. YUN, D. ACOSTA, P. AVERY, V. BARASHKO, P. BARTALINI, D. BOURILKOV, R. CAVANAUGH, A. DROZDETSKIY, R.D. FIELD, Y. FU, L. GRAY, D. HOLMES, B.J. KIM, S. KLIMENKO, J. KONIGSBERG, A. KORYTOV, K. KOTOV, P. LEVCHENKO, A. MADORSKY, K. MATCHEV, GUENAKH MITSELMAKHER, Y. PAKHOTIN, C. PRESCOTT, P. RAMOND, J.L. RODRIGUEZ, M. SCHMITT, B. SCURLOCK, H. STOECK, J. YELTON, W. BOEGLIN, V. GAULTNEY, L. KRAMER, S. LINN, P. MARKOWITZ, G. MARTINEZ, B. RAUE, J. REINHOLD, A. ASKEW, M. BERTOLDI, W.G.D. DHARMARATNA, Y. GERSHTEIN, S. HAGOPIAN, V. HAGOPIAN, M. JENKINS, K.F. JOHNSON, H. PROSPER, H. WAHL, M. BAARMAND, L. BAKSAY, S. GURAGAIN, M. HOHLMANN, H. MERMERKAYA, R. RALICH, I. VODOPIYANOV, M.R. ADAMS, R.R. BETTS, C.E. GERBER, E. SHABALINA, C. SMITH, T. TEN, U. AKGUN, A.S. AYAN, A. COOPER, P. DEBBINS, F. DURU, M. FOUNTAIN, N. GEORGE, E. MCCLIMENT, J.P. MERLO, A. MESTVIRISHVILI, M.J. MILLER, C.R. NEWSOM, E. NORBECK, Y. ONEL, I. SCHMIDT, S. WANG, E.W. ANDERSON, O. ATRAMENTOV, J.M. HAUPTMAN, J. LAMSA, B.A. BARNETT, B. BLUMENFELD, C.Y. CHIEN, D.W. KIM, P. MAKSIMOVIC, S. SPANGLER, M. SWARTZ, P. BARINGER, A. BEAN, D. COPPAGE, O. GRACHOV, E.J. KIM, M. MURRAY, D. BANDURIN, T. BOLTON, A. KHANOV, Y. MARAVIN, D. ONOPRIENKO, F. RIZATDINOVA, R. SIDWELL, N. STANTON, E. VON TOERNE, D. BADEN, R. BARD, S.C. ENO, T. GRASSI, N.J. HADLEY, R.G. KELLOGG, S. KUNORI, F. RATNIKOV, A. SKUJA, R. ARCIDIACONO, M. BALLINTIJN, G. BAUER, P. HARRIS, I. KRAVCHENKO, C. LOIZIDES, S. NAHN, C. PAUS, S. PAVLON, C. ROLAND, G. ROLAND, K. SUMOROK, S. VAURYNOVICH, G. VERES, B. WYSLOUCH, D. BAILLEUX, S. CORUM, P. CUSHMAN, A. DE BENEDETTI, A. DOLGOPOLOV, R. EGELAND, G. FRANZONI, W.J. GILBERT, J. GRAHL, J. HAUPT, Y. KUBOTA, J. MANS, N. PEARSON, R. RUSACK, A. SINGOVSKY, L.M. CREMALDI, R. GODANG, R. KROEGER, D.A. SANDERS, D. SUMMERS, K. BLOOM, D.R. CLAES, A. DOMINGUEZ, M. EADS, C. LUNDSTEDT, S. MALIK, G.R. SNOW, A. SOBOL, I. IASHVILI, A. KHARCHILAVA, G. ALVERSON, E. BARBERIS, O. BOERIU, G. EULISSE, Y. MUSIENKO, S. MUZAFFAR, I. OSBORNE, S. REUCROFT, J. SWAIN, L. TAYLOR, L. TUURA, D. WOOD, B. GOBBI, M. KUBANTSEV, H. SCHELLMAN, E. SPENCER, M. VELASCO, B. BAUMBAUGH, N.M. CASON, M. HILDRETH, D.J. KARMGARD, N. MARINELLI, R. RUCHTI, J. WARCHOL, M. WAYNE, B. BYLSMA, L.S. DURKIN, J. GILMORE, J. GU, D. HERMAN, P. KILLEWALD, K. KNOBBE, T.Y. LING, P. ELMER, D. MARLOW, P. PIROUE, D. STICKLAND, C. TULLY, T. WILDISH, S. WYNHOFF, Z. XIE, A. APRESYAN, K. ARNDT, K. BANICZ, V.E. BARNES, G. BOLLA, D. BORTOLETTO, A. BUJAK, A.F. GARFINKEL, O. GONZALEZ LOPEZ, L. GUTAY, N. IPPOLITO, Y. KOZHEVNIKOV, A.T. LAASANEN, C. LIU, V. MAROUSSOV, P. MERKEL, D.H. MILLER, J. MIYAMOTO, N. NEUMEISTER, C. ROTT, A. ROY, A. SEDOV, I. SHIPSEY, N. PARASHAR, G. EPPLEY, S.J. LEE, J. LIU, M. MATVEEV, T. NUSSBAUM, B.P. PADLEY, J. ROBERTS, A. TUMANOV, P. YEPES, A. BODEK, H. BUDD, Y.S. CHUNG, P. DE BARBARO, R. DEMINA, R. EUSEBI, G. GINTHER, Y. GOTRA, A. HOCKER, U. HUSEMANN, S. KORJENEVSKI, W. SAKUMOTO, P. SLATTERY, P. TIPTON, M. ZIELINSKI, E. BARTZ, J. DOROSHENKO, E. HALKIADAKIS, P.F. JACQUES, M.S. KALELKAR, D. KHITS, A. LATH, A. MACPHERSON, L. PERERA, R. PLANO, K. ROSE, S. SCHNETZER, S. SOMALWAR, R. STONE, G. THOMSON, T.L. WATTS, N. AKCHURIN, K.W. CARRELL, K. GUMUS, C. JEONG, H. KIM, V. PAPADIMITRIOU, A. SILL, M. SPEZZIGA, E. WASHINGTON, R. WIGMANS, L. ZHANG, T. BAPTY, D. ENGH, W. JOHNS, T. KESKINPALA, E. LUIGGI LOPEZ, S. NEEMA, S. NORDSTROM, S. PATHAK, P. SHELDON, E.W. VAANDERING, M. WEBSTER, M.W. ARENTON, S. CONETTI, B. COX, R. HIROSKY, R. IMLAY, A. LEDOVSKOY, D. PHILLIPS, H. POWELL, M. RONQUEST, D. SMITH, Y.W. BAEK, J.N. BELLINGER, D. BRADLEY, D. CARLSMITH, I. CROTTY, S. DASU, F. FEYZI, T. GORSKI, M. GROTHE, W. HOGG, M. JAWORSKI, P. KLABBERS, A. LANARO, R. LOVELESS, M. MAGRANS DE ABRIL, D. REEDER, W.H. SMITH, D. WENMAN, G.S. ATOYAN, S. DHAWAN, V. ISSAKOV, H. NEAL, A. POBLAGUEV, M.E. ZELLER, and B.S. YULDASHEV
Subjects: High Energy Physics::Phenomenology, STANDARD MODEL, High Energy Physics::Experiment, EXTRA DIMENSIONS, LHC, SUPERSYMMETRY, HIGGS
Abstract: CMS is a general purpose experiment, designed to study the physics of pp collisions at 14 TeV at the Large Hadron Collider (LHC). It currently involves more than 2000 physicists from more than 150 institutes and 37 countries. The LHC will provide extraordinary opportunities for particle physics based on its unprecedented collision energy and luminosity when it begins operation in 2007. The principal aim of this report is to present the strategy of CMS to explore the rich physics programme offered by the LHC. This volume demonstrates the physics capability of the CMS experiment. The prime goals of CMS are to explore physics at the TeV scale and to study the mechanism of electroweak symmetry breaking—through the discovery of the Higgs particle or otherwise. To carry out this task, CMS must be prepared to search for new particles, such as the Higgs boson or supersymmetric partners of the Standard Model particles, from the start-up of the LHC since new physics at the TeV scale may manifest itself with modest data samples of the order of a few fb-1 or less. The analysis tools that have been developed are applied to study in great detail and with all the methodology of performing an analysis on CMS data specific benchmark processes upon which to gauge the performance of CMS. These processes cover several Higgs boson decay channels, the production and decay of new particles such as Z' and supersymmetric particles, Bs production and processes in heavy ion collisions. The simulation of these benchmark processes includes subtle effects such as possible detector miscalibration and misalignment. Besides these benchmark processes, the physics reach of CMS is studied for a large number of signatures arising in the Standard Model and also in theories beyond the Standard Model for integrated luminosities ranging from 1 fb-1 to 30 fb-1. The Standard Model processes include QCD, B-physics, diffraction, detailed studies of the top quark properties, and electroweak physics topics such as the W and Z0 boson properties. The production and decay of the Higgs particle is studied for many observable decays, and the precision with which the Higgs boson properties can be derived is determined. About ten different supersymmetry benchmark points are analysed using full simulation. The CMS discovery reach is evaluated in the SUSY parameter space covering a large variety of decay signatures. Furthermore, the discovery reach for a plethora of alternative models for new physics is explored, notably extra dimensions, new vector boson high mass states, little Higgs models, technicolour and others. Methods to discriminate between models have been investigated. This report is organized as follows. Chapter 1, the Introduction, describes the context of this document. Chapters 2–6 describe examples of full analyses, with photons, electrons, muons, jets, missing ET, B-mesons and τ's, and for quarkonia in heavy ion collisions. Chapters 7–15 describe the physics reach for Standard Model processes, Higgs discovery and searches for new physics beyond the Standard Model.
Published: 2007

36. A more sensitive search for νμ→ντ oscillations in NOMAD

Author: F. Vannucci, V. Flaminio, Giacomo Graziani, F. J. P. Soler, O. Klimov, I.J. Donnelly, M. Banner, Caroline Poulsen, C. Nguyen-Mau, T. Del Prete, J. Dumarchez, Domizia Orestano, K. Benslama, André Rubbia, E. Pennacchio, N. Hyett, A. Lanza, E. Tsesmelis, Caren Hagner, T. Weisse, E. Iacopini, T. Vinogradova, M. T. Tran, I. Bird, P. Astier, Th. Stolarczyk, S. Bunyatov, F. Salvatore, B.D Yabsley, M. K. Vo, Vincenzo Cavasinni, Nathalie Besson, G. Renzoni, T. Schmidt, Antonio Bueno, A. N. Toropin, D. Autiero, P. Hurst, S.N. Tovey, G. J. Feldman, L. La Rotonda, Fr Pastore, A. Krasnoperov, E. Gangler, Didier Ferrere, Marco Fraternali, L. Di Lella, P. Rathouit, G. F. Moorhead, J. Kokkonen, J. Long, A Gandolfo, A. Kovzelev, A. Baldisseri, M. E. Sevior, M. Contalbrigo, A. M. Touchard, P. Nédélec, C. Conta, B. Schmidt, M. Kirsanov, D. Geppert, A. Godley, A. Guglielmi, J. A. Hernando, P.W. Cattaneo, Ante Ljubičić, Roberto Renò, E Manola-Poggioli, P. Riemann, J.-P. Mendiburu, L. Linssen, A. Cervera-Villanueva, G. Collazuol, Mario Stipčević, G. Conforto, S.R. Mishra, T. Dignan, Alessandro Cardini, A. Placci, E. do Couto e Silva, R. Petti, H. Pessard, U. Stiegler, J. Bouchez, Valerio Vercesi, Chiara Roda, A. De Santo, M. Veltri, J. M. Levy, F. Bobisut, B Popov, D. Verkindt, A. Lupi, L. Camilleri, Kevin Varvell, Stefano Lacaprara, A. Grant, J. Rico, A. Marchionni, Fergus Wilson, H. Zaccone, D. Pollmann, Malcolm Ellis, Roberto Ferrari, Vyacheslav Valuev, S.A. Volkov, C. Joseph, J.-M. Gaillard, Barry Blumenfeld, G. Ballocchi, J.J. Gómez-Cadenas, R. Cousins, Marco Laveder, D. Hubbard, P. Zuccon, K. Schahmaneche, M. Baldo-Ceolin, X. Méchain, F.V. Weber, J.-M. Vieira, Yu. Nefedov, L. Vacavant, J. Gosset, D. Gibin, T. Fazio, Achim Geiser, L.S. Peak, M Valdata-Nappi, M. Gouanère, G. Bassompierre, M. Mezzetto, D. Sillou, Kai Zuber, S. Boyd, B. Lakić, G. N. Taylor, Claus Gößling, D. Steele, L. Mossuz, F. Juget, M. Steininger, H Degaudenzi, C. Lachaud, G Segneri, V. Tereshchenko, A. Pluquet, F. Martelli, S. N. Gninenko, A. Letessier-Selvon, D. Daniels, Giacomo Polesello, M. Tareb-Reyes, Valentin Kuznetsov, J-P. Meyer, L.J. Winton, J. Ulrichs, and G. Sozzi
Subjects: Nuclear physics, Physics, Nuclear and High Energy Physics, Particle physics, Oscillation, Scattering, High Energy Physics::Experiment, Sensitivity (control systems), Neutrino, Neutrino beam, Neutrino oscillation, Charged current, Confidence region
Abstract: With additional data and improved algorithms, we have enhanced the sensitivity of our appearance search for $\numunutau$ oscillations in the NOMAD detector in the CERN-SPS wide-band neutrino beam. The search uses kinematic criteria to identify $\nutau$ charged current interactions followed by decay of the $\tau^-$ to one of several decay modes. Our ``blind'' analyses of deep-inelastic scattering data taken in 1996 and 1997, combined with consistent reanalyses of previously reported 1995 data, yield no oscillation signal. For the two-family oscillation scenario, we present the contour outlining a 90\% C.L. confidence region in the $\sin^22\theta_{\mu \tau} - \Delta m^2$ plane. At large $\Delta m^2$, the confidence region includes $\sin^22\theta_{\mu\tau}\ \ 1.2\times10^{-3}$ (a limit 3.5 times more stringent than in our previous publication), while at $\sin^22\theta_{\mu \tau}=1$, the confidence region includes $\Delta m^2 1.2$ eV$^2$/$c^4$.
Published: 1999

37. Precision measurement of scaled momentum, charge multiplicity, and thrust in νμN and interactions

Author: H. Degaudenzi, G. J. Feldman, G. F. Moorhead, Valentin Kuznetsov, F. Salvatore, F. Vannucci, M. K. Vo, Corrado Angelini, J. Long, L.J. Winton, B. A. Popov, G. Collazuol, Mario Stipčević, J. M. Levy, J. Ulrichs, D. Verkindt, S.A. Bunyatov, P. Rathouit, M. Banner, Fergus Wilson, G. Sozzi, Alexey Krasnoperov, B. Schmidt, E. Manola-Poggioli, T. Dignan, J. Altegoer, Caroline Poulsen, M. Baldo-Ceolin, S. Basa, J. Kokkonen, R. Cousins, Nathalie Besson, G. Renzoni, T. Vinogradova, L. Linssen, Achim Geiser, Giacomo Graziani, J.-M. Vieira, M. E. Sevior, A. Baldisseri, Valerio Vercesi, S. N. Gninenko, André Rubbia, O.L. Klimov, P. Hurst, Marco Fraternali, T. Stolarczyk, M. Serrano, Kevin Varvell, A. Grant, H. Pessard, P. Nedelec, P. Astier, L. Camilleri, A. Kovzelev, S. Tereshchenko, D. Autiero, J. Dumarchez, Vyacheslav Valuev, E. do Couto e Silva, J. Hernando, D. Hubbard, P. Zuccon, Malcolm Ellis, Chiara Roda, J.J. Gómez-Cadenas, E. Iacopini, C. Lazzeroni, D. Sillou, A. Guglielmi, Vincenzo Cavasinni, A. Letessier-Selvon, D. Daniels, Giacomo Polesello, M. Tareb-Reyes, F. Bobisut, S.A. Volkov, L. Di Lella, Roberto Ferrari, M. Kirsanov, Bruce Yabsley, X. Méchain, F.V. Weber, M. Veltri, V. Uros, E. Pennacchio, N. Hyett, D. Pollmann, I. Bird, V. Vacavant, Michel Gouanère, F. Martelli, M. Valdata-Nappi, A. Godley, J-P. Meyer, D. Nordmann, A. Cervera-Villanueva, K. Benslama, L. La Rotonda, H. Zaccone, M. Werlen, S.R. Mishra, A. Lanza, U. Stiegler, S. Lacaprara, C. Joseph, Yu. Nefedov, T. Fazio, G. Ballocchi, A. Pluquet, C. Conta, Frédéric Juget, Marco Laveder, Barry Blumenfeld, M. T. Tran, Domizia Orestano, E. Gangler, J. Gosset, R. Petti, G. Conforto, D. Gibin, K. Schahmaneche, M. Contalbrigo, J.-P. Mendiburu, J. P. Perroud, G. Bassompierre, Alessandro Cardini, S. Boyd, G. N. Taylor, V. Flaminio, P. Galumian, F. J. P. Soler, D. Geppert, P.W. Cattaneo, Ante Ljubičić, A. Placci, L. S. Peak, A. De Santo, Antonio Bueno, Fr Pastore, A. N. Toropin, I.J. Donnelly, C. Nguyen-Mau, T. Del Prete, M. Mezzetto, Kai Zuber, S. N. Tovey, A. M. Touchard, J. Bouchez, D. Steele, L. Mossuz, A. Lupi, J. M. Gaillard, Didier Ferrere, A. Marchionni, M. Steininger, Claus Gößling, E. Tsesmelis, Caren Hagner, and T. Weisse
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Overline, Coherence effect, Electronic document, Thrust, Multiplicity (chemistry), Charged current
Abstract: By focusing on the notion of electronic document, we differentiate two evolutions which are useful to distinct titles: on the one hand are the documents, which have value of reference. Its administrator will take care to preserve its integrity and its context of production which is strongly significant. On the other hand are resources, evolutionary elements by nature, which the user must be able to appropriate and who must thus be placed at the disposal so that the production is erased, to focus on a logic of exploitation and service.
Published: 1999

38. A search for ν→ν oscillations using the NOMAD detector

Author: M. Contalbrigo, T. Fazio, V. Flaminio, F. J. P. Soler, K. Benslama, T. Weisse, L.S. Peak, A. Lanza, E. do Couto e Silva, R. Petti, André Rubbia, F. Bobisut, D. Scannicchio, F. Juget, J-P. Meyer, L. La Rotonda, H. Pessard, E. Manola-Poggioli, M. Mezzetto, L.J. Winton, V. Valuev, M. T. Tran, D. Sillou, Kai Zuber, E. Iacopini, R. Cousins, J. Ulrichs, Kevin Varvell, G. Collazuol, Mario Stipčević, L. Linssen, A. Cervera-Villanueva, J.-M. Vieira, A. Grant, V. Tereshchenko, P. Rathouit, D. Pollmann, A. Pluquet, Giacomo Graziani, Didier Ferrere, G. Sozzi, F.V. Weber, D. Verkindt, P. Steffen, G. Conforto, Barry Blumenfeld, Th. Stolarczyk, Vincenzo Cavasinni, J. Gosset, A. Baldisseri, A. Marchionni, J. Altegoer, S.A. Volkov, E. Gangler, D. Kekez, P. Nédélec, Roberto Ferrari, S. N. Gninenko, J.-M. Gaillard, J. Long, M. Gouanère, J. M. Levy, M. E. Sevior, Marco Fraternali, Claus Gößling, A. Placci, M. Veltri, A. Letessier-Selvon, D. Gibin, G. Bassompierre, A. De Santo, D. Autiero, Caroline Poulsen, D. Daniels, E. Tsesmelis, J.-P. Mendiburu, Corrado Angelini, V. Uros, M. Valdata-Nappi, D. Steele, Bruce Yabsley, X. Méchain, Stefano Lacaprara, L. Mossuz, Giacomo Polesello, Fergus Wilson, Alessandro Cardini, M. Tareb-Reyes, B. G. Pope, M. Baldo-Ceolin, S. Boyd, D. Geppert, Achim Geiser, M. Steininger, H. Degaudenzi, T. Dignan, G. J. Feldman, P.W. Cattaneo, Ante Ljubičić, V.E. Kuznetsov, G. N. Taylor, S. Basa, J. Bouchez, G. F. Moorhead, A. Lupi, B. Khomenko, A. M. Touchard, S. Bunyatov, F. Salvatore, L. Camilleri, Yu. Nefedov, J. Kokkonen, M. K. Vo, A. Kovzelev, P. Hurst, T. Vinogradova, B. Popov, L. Vacavant, L. Di Lella, J. Hernando, D. Hubbard, K. Schahmaneche, C. Hagner, F. Martelli, U. Stiegler, C. Conta, S.N. Tovey, M. Kirsanov, I. Bird, P. Astier, Fr Pastore, Domizia Orestano, H. Plothow-Besch, Antonio Bueno, A. N. Toropin, F. Vannucci, J. P. Perroud, A. Sconza, P. Galumian, M. Banner, J.J. Gómez-Cadenas, A. Castera, O. Klimov, I.J. Donnelly, C. Nguyen-Mau, T. Del Prete, E. Pennacchio, N. Hyett, G. Fumagalli, M. Werlen, S.R. Mishra, Chiara Roda, B. Schmidt, Valerio Vercesi, M. Serrano, H. Zaccone, C. Joseph, G. Ballocchi, Marco Laveder, Nathalie Besson, G. Renzoni, C. Lazzeroni, A. Guglielmi, and J. Dumarchez
Subjects: Nuclear physics, Physics, Nuclear and High Energy Physics, Particle physics, Oscillation, Detector, High Energy Physics::Experiment, Detection theory, Wide band, Neutrino oscillation, Signal, Charged current, Beam (structure)
Abstract: NOMAD is a neutrino oscillation experiment designed to search for ντ appearance in the CERN-SPS wide band νμ beam. Signal detection relies on the identification of ντ charged current interactions using kinematic criteria. The analysis of the 1995 data sample yields no oscillation signal. Combining all studied τ decay modes, a limit of sin 2 2θ μτ 4.2×10 −3 is obtained for large Δm2 at the 90% confidence level.
Published: 1998

39. A precision measurement of charm dimuon production in neutrino interactions from the NOMAD experiment

Author: K. Schahmaneche, C.T. Kullenberg, P. Hurst, L. Di Lella, J.-P. Mendiburu, M. Valdata-Nappi, Alessandro Cardini, J.J. Kim, R. Challis, S.A. Bunyatov, J. A. Hernando, V. Tereshchenko, Roberto Ferrari, A. Baldisseri, Th. Stolarczyk, G. Collazuol, Mario Stipčević, A. Cervera-Villanueva, C. Lachaud, Giacomo Graziani, K. Benslama, T. Weisse, B. A. Popov, M. E. Sevior, A. Lanza, F. Bobisut, A. Marchionni, M. T. Tran, Bruce Yabsley, X. Méchain, E. Gangler, H. Zaccone, C. Joseph, F. Salvatore, P. Astier, Caroline Poulsen, Domizia Orestano, Mikhail Kirsanov, R. Cousins, M. Mezzetto, M. Contalbrigo, D. Autiero, R. Petti, Stefano Lacaprara, Marco Laveder, Kai Zuber, Fergus Wilson, S.N. Tovey, J.-M. Vieira, J. M. Levy, Sergey A. Kulagin, A.M. Scott, A. Sconza, Yu. Nefedov, L. Vacavant, L. La Rotonda, Frédéric Juget, S. R. Mishra, Chiara Roda, E. Pennacchio, O.L. Klimov, H. Degaudenzi, G. J. Feldman, Fr Pastore, N. Hyett, D. Pollmann, G. F. Moorhead, D. Geppert, Luca Rebuffi, P. Riemann, Artem Chukanov, V. V. Lyubushkin, E. do Couto e Silva, P.W. Cattaneo, Ante Ljubičić, Didier Ferrere, Kevin Varvell, Barry Blumenfeld, Alexey Krasnoperov, J. Kokkonen, M. Baldo-Ceolin, M. Banner, H. Duyang, C. Conta, C. Nguyen-Mau, T. Del Prete, B. Schmidt, Sergei Gninenko, J. Dumarchez, A. Grant, H. Pessard, A. Godley, P. Nedelec, Valerio Vercesi, M. Veltri, Dmitry V. Naumov, G. Conforto, J. Long, Claus Gößling, Vyacheslav Valuev, J. Libo, Malcolm Ellis, F. Vannucci, Alexander Toropin, L. S. Peak, E. Tsesmelis, Caren Hagner, T. Schmidt, P. Zuccon, A. Kovzelev, Antonio Bueno, J. Bouchez, O. Samoylov, J.J. Gómez-Cadenas, A. Lupi, A. Placci, D. Steele, A. De Santo, L. Linssen, Marco Fraternali, Sergey Alekhin, V. Flaminio, F. J. P. Soler, F.V. Weber, T. Vinogradova, André Rubbia, E. Iacopini, Vincenzo Cavasinni, A.-M. Touchard, A. Polyarush, Achim Geiser, J. Gosset, D. Gibin, Q. Wu, U. Stiegler, G. Bassompierre, J. Rico, S. Boyd, B. Lakić, G. N. Taylor, J.M. Gaillard, J-P. Meyer, L. Camilleri, L.J. Winton, J. Ulrichs, D. Sillou, G. Sozzi, A. Guglielmi, I. Bird, X.C. Tian, Nathalie Besson, G. Vidal-Sitjes, Michel Gouanère, F. Martelli, N. Kent, A. Letessier-Selvon, Giacomo Polesello, M. Tareb-Reyes, Orestano, Domizia, National Science Foundation (US), Alfred P. Sloan Foundation, Australian Research Council, Federal Ministry of Education and Research (Germany), 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), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), and NOMAD
Subjects: Nuclear and High Energy Physics, Strange quark, Particle physics, Charm production, strange quark content of the nucleon, dimuon charm production, FOS: Physical sciences, Strange quark content of the nucleon, Dimuon charm production, Neutrino interactions, 01 natural sciences, Charm quark, 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], Charm (quantum number), 010306 general physics, Charged current, Physics, Quantum chromodynamics, 010308 nuclear & particles physics, Física, Deep inelastic scattering, 3. Good health, Neutrino, Nucleon, Particle Physics - Experiment
Abstract: We present our new measurement of the cross-section for charm dimuon production in neutrino iron interactions based upon the full statistics collected by the NOMAD experiment. After background subtraction we observe 15 344 charm dimuon events, providing the largest sample currently available. The analysis exploits the large inclusive charged current sample - about 9 x 10(6) events after all analysis cuts - and the high resolution NOMAD detector to constrain the total systematic uncertainty on the ratio of charm dimuon to inclusive Charged Current (CC) cross-sections to similar to 2%. We also perform a fit to the NOMAD data to extract the charm production parameters and the strange quark sea content of the nucleon within the NLO QCD approximation. We obtain a value of m(c)(m(c)) = 1.159 +/- 0.075 GeV/c(2) for the running mass of the charm quark in the (MS) over bar scheme and a strange quark sea suppression factor of kappa(s) = 0.591 +/- 0.019 at Q(2) = 20 GeV2/c(2)., We extend our grateful appreciations to the CERN SPS staff for the magnificent performance of the neutrino beam. The experiment was supported by the following agencies: ARC and DIISR of Australia, IN2P3 and CEA of France, BMBF of Germany, INFN of Italy, JINR and INR of Russia, FNSRS of Switzerland, DOE, NSF, Sloan, and Cottrell Foundations of USA, and VP Research Office of the University of South Carolina. This work was partially supported by the University of South Carolina, by the DOE grant DE-FG02-95ER40910, by the Russian Federal grant 02.740.11.5220 and MK-432.2013.2, and JINR grant 13-201-01.
Published: 2013

40. A Search for Single Photon Events in Neutrino Interactions

Author: C. Joseph, F. Salvatore, D. Geppert, P.W. Cattaneo, Ante Ljubičić, Valerio Vercesi, Dmitry V. Naumov, Marco Laveder, Th. Stolarczyk, J-P. Meyer, Caroline Poulsen, A.M. Scott, K. Benslama, E. Pennacchio, N. Hyett, Marco Fraternali, Luca Rebuffi, D. Pollmann, J. A. Hernando, L.J. Winton, A. Lanza, Artem Chukanov, M. E. Sevior, J. Ulrichs, Kevin Varvell, J. Kokkonen, M. T. Tran, J. Long, M. Mezzetto, Q. Wu, O.L. Klimov, J.-P. Mendiburu, E. Tsesmelis, Caren Hagner, Kai Zuber, G. Sozzi, U. Stiegler, Alexey Krasnoperov, A.-M. Touchard, A. Cervera-Villanueva, K. Schahmaneche, C.T. Kullenberg, P. Hurst, T. Schmidt, E. Gangler, A. Grant, H. Pessard, P. Nedelec, Roberto Ferrari, L. Di Lella, H. Degaudenzi, M. Baldo-Ceolin, M. Banner, G. J. Feldman, G. F. Moorhead, Malcolm Ellis, A. Kovzelev, M. Valdata-Nappi, Didier Ferrere, J.J. Gómez-Cadenas, V. Flaminio, Mikhail Kirsanov, R. Cousins, F. J. P. Soler, Alessandro Cardini, Yu. Nefedov, L. Vacavant, J.-M. Vieira, Alexander Toropin, L. S. Peak, C. Lachaud, J.M. Gaillard, T. Weisse, F. Bobisut, J.J. Kim, Giacomo Graziani, A. Letessier-Selvon, J. Gosset, Sergei Gninenko, Giacomo Polesello, E. do Couto e Silva, André Rubbia, G. Bassompierre, Bruce Yabsley, X. Méchain, Antonio Bueno, M. Tareb-Reyes, T. Vinogradova, D. Gibin, G. Collazuol, Mario Stipčević, A. Placci, R. Petti, R. Challis, E. Iacopini, A. Godley, A. Polyarush, A. De Santo, S.A. Bunyatov, S. Boyd, J. Dumarchez, Vyacheslav Valuev, Achim Geiser, Vincenzo Cavasinni, B. Lakić, G. N. Taylor, Michel Gouanère, C. Conta, B. Schmidt, J. Bouchez, O. Samoylov, F. Martelli, M. Veltri, F. Vannucci, M.B. Seaton, Claus Gößling, G. Conforto, N. Kent, A. Lupi, V. V. Lyubushkin, V. Tereshchenko, A. Baldisseri, D. Steele, Barry Blumenfeld, Domizia Orestano, P. Zuccon, G. Vidal-Sitjes, Drew Dimmery, M. Contalbrigo, A. Marchionni, J. M. Levy, Sergey A. Kulagin, J. Rico, A. Sconza, Frédéric Juget, Chiara Roda, L. La Rotonda, S. R. Mishra, Stefano Lacaprara, Fergus Wilson, P. Riemann, B. A. Popov, L. Camilleri, S.N. Tovey, I. Bird, X.C. Tian, Fr Pastore, L. Linssen, Sergey Alekhin, F.V. Weber, C. Nguyen-Mau, T. Del Prete, P. Astier, D. Autiero, D. Sillou, A. Guglielmi, Nathalie Besson, H. Zaccone, 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), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Pierre et Marie Curie - Paris 6 (UPMC), APC - Neutrinos, Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Pierre et Marie Curie - Paris 6 (UPMC)-AstroParticule et Cosmologie (APC (UMR_7164)), Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, NOMAD, Kullenberg, Ct, Mishra, Sr, Dimmery, D, Tian, Xc, Autiero, D, Gninenko, S, Rubbia, A, Alekhin, S, Astier, R, Baldisseri, A, Baldo Ceolin, M, Banner, M, Bassompierre, G, Benslama, K, Besson, N, Bird, I, Blumenfeld, B, Bobisut, F, Bouchez, J, Boyd, S, Bueno, A, Bunyatov, S, Camilleri, L, Cardini, A, Cattaneo, Pw, Cavasinni, V, Cervera Villanueva, A, Challis, R, Chukanov, A, Collazuol, G, Conforto, G, Conta, C, Contalbrigo, M, Cousins, R, Degaudenzi, H, De Santo, A, Del Prete, T, Di Lella, L, Silva, Ede, Dumarchez, J, Ellis, M, Feldman, Gj, Ferrari, R, Ferrere, D, Flaminio, V, Fraternali, M, Gaillard, Jm, Gangler, E, Geiser, A, Geppert, D, Gibin, D, Godley, A, Gomez Cadenas, Jj, Gosset, J, Gossling, C, Gouanere, M, Grant, A, Graziani, G, Guglielmi, A, Hagner, C, Hernando, J, Hurst, P, Hyett, N, Iacopini, E, Joseph, C, Juget, F, Kent, N, Klimov, O, Kokkonen, J, Kovzelev, A, Krasnoperov, A, Kim, Jj, Kirsanov, M, Kulagin, S, Lacaprara, S, Lachaud, C, Lakic, B, Lanza, A, La Rotonda, L, Laveder, M, Letessier Selvon, A, Levy, Jm, Ling, J, Linssen, L, Ljubicic, A, Long, J, Lupi, A, Lyubushkin, V, Marchionni, A, Martelli, F, Mechain, X, Mendiburu, Jp, Meyer, Jp, Mezzetto, M, Moorhead, Cf, Naumov, D, Nedelec, R, Nefedov, Y, Nguyen Mau, C, Orestano, Domizia, Pastore, F, Peak, L, Pennacchio, E, Pessard, H, Petti, R, Placci, A, Polesello, G, Pollmann, D, Polyarush, A, Poulsen, C, Popov, B, Rebuffi, L, Rico, J, Riemann, P, Roda, C, Salvatore, F, Samoylov, O, Schahmaneche, K, Schmidt, B, Schmidt, T, Sconza, A, Scott, Am, Seaton, Mb, Sevior, M, Sillou, D, Soler, Fjr, Sozzi, G, Steele, D, Stiegler, U, Stipcevic, M, Stolarczyk, T, Tareb Reyes, M, Taylor, Gn, Tereshchenko, V, Toropin, A, Touchard, Am, Tovey, Sn, Tran, Mt, Tsesmelis, E, Ulrichs, J, Vacavant, L, Valdata Nappi, M, Valuev, V, Vannucci, F, Varvell, Ke, Veltri, M, Vercesi, V, Vidal Sitjes, G, Vieira, Jm, Vinogradova, T, Weber, Fv, Weissee, T, Wilson, Ff, Winton, Lj, Wu, Q, Yabsley, Bd, Zaccone, H, Zuber, K, Zuccon, R., Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-AstroParticule et Cosmologie (APC (UMR_7164)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Laboratoire d'Annecy de Physique des Particules (LAPP/Laboratoire d'Annecy-le-Vieux de Physique des Particules), AstroParticule et Cosmologie (APC (UMR_7164)), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), and Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)
Subjects: Nuclear and High Energy Physics, Particle physics, Photon, FOS: Physical sciences, 01 natural sciences, High Energy Physics - Experiment, Nuclear physics, MiniBooNE, Neutral current, High Energy Physics - Experiment (hep-ex), Pion, High Energy Physics - Phenomenology (hep-ph), 0103 physical sciences, Neutrino, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Coherent, Single photon, 010306 general physics, Charged current, Physics, 010308 nuclear & particles physics, Física, Deep inelastic scattering, single photon, neutrino, neutral current, coherent, pion, High Energy Physics - Phenomenology, [PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph], High Energy Physics::Experiment, Event (particle physics), Particle Physics - Experiment
Abstract: We present a search for neutrino induced events containing a single, exclusive photon using data from the NOMAD experiment at the CERN SPS where the average energy of the neutrino flux is ≃25 GeV. The search is motivated by an excess of electron-like events in the 200-475 MeV energy region as reported by the MiniBooNE experiment. In NOMAD, photons are identified via their conversion to e + e - in an active target embedded in a magnetic field. The background to the single photon signal is dominated by the asymmetric decay of neutral pions produced either in a coherent neutrino-nucleus interaction, or in a neutrino-nucleon neutral current deep inelastic scattering, or in an interaction occurring outside the fiducial volume. All three backgrounds are determined in situ using control data samples prior to opening the 'signal-box'. In the signal region, we observe 155 events with a predicted background of 129.2±8.5±3.3. We interpret this as null evidence for excess of single photon events, and set a limit. Assuming that the hypothetical single photon has a momentum distribution similar to that of a photon from the coherent π 0 decay, the measurement yields an upper limit on single photon events, Physics Letters B, 706 (4-5), ISSN:0370-2693, ISSN:0031-9163, ISSN:1873-2445
Published: 2012

41. A study of a second level track trigger for ATLAS

Author: S. N. Tovey, A. Gheorghe, B. Lisowski, Steinar Stapnes, A. Reichold, Xin Wu, G. N. Taylor, A. R. Weidberg, R. Spiwoks, J. Teiger, R.J. Hawkings, Alan Poppleton, D. J. Munday, R.K. Bock, P. Lubrano, G. F. Moorhead, Allan G Clark, W. Krischer, Claus Gössling, Paola Scampoli, R. Bonino, K. Borer, E. Tsesmelis, Michael Andrew Parker, and S. J. Bates
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Luminosity (scattering theory), Calorimeter (particle physics), Physics::Instrumentation and Detectors, Track (disk drive), Monte Carlo method, Semiconductor detector, law.invention, medicine.anatomical_structure, law, Atlas (anatomy), medicine, High Energy Physics::Experiment, Collider, Instrumentation, Energy (signal processing), Simulation
Abstract: This paper discusses some of the problems of triggering at a high energy, high luminosity pp collider. A suggested second level track trigger for the ATLAS detector is described, based on hit information from a silicon tracker. Detailed Monte Carlo simulations have been performed to assess the performance of the trigger in accepting electrons and in rejecting the QCD jets that would fake electrons in the first level calorimeter trigger. Studies of the feasibility of implementing such a trigger are also presented.
Published: 1993

42. Measurement of the gluon structure function from direct photon data at the CERN p collider

Author: S. Grünendahl, Francesca Nessi-Tedaldi, A. Cravero, Julius Hrivnac, C. Onions, Steinar Stapnes, P. Petroff, V. Sondermann, R. S. DeWolf, P. Bonamy, R. Spiwoks, S. L. Singh, Klaus Peter Pretzl, L. Müller, Gary F. Egan, M. Curatolo, G. Unal, Michel Lefebvre, M. Bourliaud, Paola Scampoli, Marco Fraternali, D. J. Munday, H. Zaccone, Laura Perini, Marzio Nessi, Giovanna Ambrosini, Adele Rimoldi, Michael Andrew Parker, L. Mandelli, B. Esposito, M. Pepe, Darien Wood, J.-M. Gaillard, D. Buskulic, K. Jacobs, V. G. Goggi, J. Schacher, Giacomo Polesello, J. P. Repellin, F. Tondini, S. N. Tovey, E. Tsesmelis, P. Lubrano, L. Linssen, J.M. Pentney, P. Bareyre, Andrea Dell'Acqua, P. S. Wells, E. Iacopini, J-P. Meyer, Chariclia Petridou, D. Cavalli, H. Hufnagel, H. Plothow-Besch, S. Lami, E. Hugentobler, Giovanni Carboni, Andrea Federspiel, N. Kurz, A. R. Weidberg, Vincenzo Cavasinni, S. A. Wotton, K. Hultqvist, Paolo Lariccia, K. Hara, M. Primavera, M. Valdata-Nappi, Y. Ducros, L. DiLella, F. Pastore, M. Punturo, A. Zylberstejn, Sten Hellman, Peter Jenni, J. Alitti, Marcello Mazzanti, K. Borer, R. Ansari, Roberto Ferrari, Massimiliano F. Sacchi, C. Conta, J. C. Chollet, G. Blaylock, B. Merkel, P. Cenci, Luca Cozzi, Louis Fayard, I.A. Bertram, E. Pennacchio, Alan Poppleton, Daniel Froidevaux, Kevin Einsweiler, K. Meier, Livio Mapelli, Cinzia Talamonti, L. Malgeri, T. Pal, D. Autiero, T. DelPrete, G. Parrour, Claus Gössling, T. O. White, V. Simak, Valerio Vercesi, F. Gianotti, C. Magneville, Michele Livan, B. Schmidt, F. Costantini, E. E. Kluge, M. Morganti, O. Gildemeister, G. Fumagalli, G. Costa, M. Moniez, J. Incandela, and R. Moning
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Large Hadron Collider, Photon, Luminosity (scattering theory), Scattering, Deep inelastic scattering, Photon structure function, law.invention, Gluon, Nuclear physics, law, High Energy Physics::Experiment, Nuclear Experiment, Collider
Abstract: A measurement of the gluon structure fusion using direct photon events observed with the UA2 detector in p p collisions at √ s =630 GeV is presented. The x -range covered by this analysis is between 0.049 and 0.207 and the Q 2 range is between 280 GeV 2 and 3670 GeV 2 . The data sample corresponds to an integrated luminosity of 7.14 pb −1 . The results are found to be in good agreement with the gluon distributions measured in deep inelastic scattering experiments extrapolated to the UA2 Q 2 values.
Published: 1993

43. Experimental limit on the decay W±→π±γ at the CERN > collider

Author: Roberto Ferrari, J. C. Chollet, V. Simak, Steinar Stapnes, R. S. DeWolf, D. J. Munday, Valerio Vercesi, H. Plothow-Besch, F. Gianotti, Michele Livan, Andrea Federspiel, Paolo Lariccia, M. Morganti, J-P. Meyer, Chariclia Petridou, F. Tondini, Julius Hrivnac, R. Ansari, P. Bareyre, Michel Lefebvre, M. Bourliaud, Paola Scampoli, Marco Fraternali, Massimiliano F. Sacchi, H. Zaccone, B. Schmidt, M. Primavera, A. Zylberstejn, M. Moniez, G. Parrour, V. G. Goggi, M. Pepe, C. Magneville, H. Hufnagel, E. Tsesmelis, F. Costantini, P. Bonamy, M. Curatolo, B. Merkel, Alan Poppleton, Livio Mapelli, S. Grünendahl, J.M. Pentney, E. Hugentobler, Marcello Mazzanti, T. DelPrete, M. Valdata-Nappi, J. M. Gaillard, Giovanna Ambrosini, O. Gildemeister, K. Hara, G. Blaylock, M. Punturo, S. A. Wotton, K. Hultqvist, J. Schacher, Klaus Peter Pretzl, V. Sondermann, G. Polesello, Louis Fayard, S. L. Singh, C. Onions, P. Petroff, Michael Andrew Parker, L. DiLella, J. Alitti, L. Müller, Gary F. Egan, Laura Perini, J. Incandela, P. S. Wells, Karl Jakobs, Giovanni Carboni, Francesca Nessi-Tedaldi, D. Cavalli, Adele Rimoldi, Peter Jenni, Daniel Froidevaux, Darien Wood, P. Cenci, G. Fumagalli, Marzio Nessi, J. P. Repellin, A. Cravero, E. E. Kluge, R. Spiwoks, D. Autiero, K. Meier, G. Costa, R. Moning, F. Pastore, T. Pal, N. Kurz, G. Unal, C. Conta, Luca Cozzi, E. Iacopini, B. Esposito, D. Buskulic, Vincenzo Cavasinni, I.A. Bertram, Y. Ducros, P. Lubrano, L. Linssen, Sten Hellman, E. Pennacchio, K. Borer, L. Mandelli, S. Lami, A. Dell'Acqua, Claus Gössling, Cinzia Talamonti, T. O. White, A. R. Weidberg, Kevin Einsweiler, and S. N. Tovey
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Large Hadron Collider, Meson, Branching fraction, Hadron, Elementary particle, law.invention, Nuclear physics, Particle decay, Pion, law, Collider
Abstract: Results are given on a search for the decay W±→π±γ with the UA2 detector in pp collisions at √s=630 GeV. No signal for such a process is observed and upper limits on the ration R=Γ(W±→π±γ)/Γ(W±→e±v)
Published: 1992

44. Direct measurement of the W-γ coupling at the CERN p Collider

Author: Francesca Nessi-Tedaldi, I.A. Bertram, P. Lubrano, A. Cravero, Gary F. Egan, E. Iacopini, L. Linssen, Vincenzo Cavasinni, M. Punturo, T. Pal, J. Alitti, B. Schmidt, P. Cenci, Claus Gössling, C. Onions, S. L. Singh, S. A. Wotton, K. Hultqvist, L. DiLella, P. Petroff, M. Bourliand, Karl Jakobs, Peter Jenni, L. Mandelli, P. Bonamy, R. Spiwoks, E. Tsesmelis, T. DelPrete, Michel Lefebvre, Paola Scampoli, Alan Poppleton, Marco Fraternali, Livio Mapelli, G. Unal, M. Curatolo, J-P. Meyer, Chariclia Petridou, H. Plothow-Besch, E. Pennacchio, Marzio Nessi, A. Dell'Acqua, Sten Hellman, B. Esposito, D. Buskulic, F. Costantini, Klaus Peter Pretzl, E. Hugentobler, J. M. Gaillard, V. Simak, J. Schacher, M. Valdata-Nappi, E. E. Kluge, K. Borer, S. Lami, Laura Perini, Roberto Ferrari, O. Gildemeister, Marcello Mazzanti, Andrea Federspiel, N. Kurz, G. Blaylock, J. C. Chollet, Paolo Lariccia, Julius Hrivnac, M. Pepe, S. Grünendahl, Valerio Vercesi, G. Parrour, G. Polesello, D. Cavalli, Adele Rimoldi, F. Gianotti, Y. Ducros, J. P. Repellin, Michael Andrew Parker, M. Primavera, Darien Wood, H. Zaccone, Daniel Froidevaux, A. Zylberstejn, Giovanna Ambrosini, F. Tondini, V. Sondermann, G. Fumagalli, L. Müller, B. Merkel, K. Meier, P. Bareyre, R. Ansari, C. Conta, Massimiliano F. Sacchi, G. Costa, Louis Fayard, M. Morganti, H. Hufnagel, Luca Cozzi, Giovanni Carboni, V. G. Goggi, F. Pastore, J.M. Pentney, K. Hara, Steinar Stapnes, R. S. DeWolf, P. S. Wells, D. J. Munday, D. Autiero, M. Moniez, S. N. Tovey, A. R. Weidberg, Kevin Einsweiler, Cinzia Talamonti, J. Incandela, T. O. White, R. Moning, Michele Livan, and C. Magneville
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Large Hadron Collider, Muon, Anomalous magnetic dipole moment, Coupling (probability), Standard Model, law.invention, Nuclear physics, law, Quadrupole, Collider, Magnetic dipole
Abstract: The process pp→evγ+X is studied as √s=630 GeV. The observed signal is used to extract a direct measurement of the parameters κ and λ which define the magnetic dipole and electric quadrupole moments of the W boson and therefore the WWγ coupling. We find κ=1+2.6−2.2 and λ=0+1.7−1.8 and their 95% confidence limits −3.5
Published: 1992

45. A measurement of the W and Z production cross sections and a determination of Γw at the CERN [ovbar|p]p collider

Author: E. Tsesmelis, E. Pennacchio, J. Incandela, E. Hugentobler, P. Lubrano, M. Valdata-Nappi, A. Dell'Acqua, L. Linssen, A. R. Weidberg, I.A. Bertram, H. Hufnagel, Daniel Froidevaux, Roberto Ferrari, M. Punturo, K. Meier, R. Moning, C. Magneville, J. Alitti, M. Moniez, B. Schmidt, J. C. Chollet, Kevin Einsweiler, V. G. Goggi, Francesca Nessi-Tedaldi, G. Amrosini, Steinar Stapnes, J.M. Pentney, A. Cravero, F. Costantini, Alan Poppleton, M. Morganti, Marcello Mazzanti, R. S. DeWolf, Michel Lefebvre, M. Bourliaud, Paola Scampoli, Livio Mapelli, G. Blaylock, Marco Fraternali, J. Schacher, G. Costa, J. Hřiv'ač, Marzio Nessi, Y. Ducros, D. J. Munday, R. Spiwoks, S. N. Tovey, G. Parrour, K. Hara, Michele Livan, Laura Perini, Giovanni Carboni, H. Plothow-Besch, E. Iacopini, G. Unal, Cinzia Talamonti, C. Onions, T. Pal, O. Gildemeister, S. L. Singh, J-P. Meyer, N. Kurz, Vincenzo Cavasinni, Andrea Federspiel, P. Petroff, P. S. Wells, Chariclia Petridou, G. Polesello, Paolo Lariccia, J. P. Repellin, F. Pastore, Sten Hellman, B. Esposito, D. Buskulic, Karl Jakobs, G. Fumagalli, D. Cavalli, Adele Rimoldi, T. O. White, M. Primavera, L. Mandelli, S. Lami, Claus Gössling, K. Borer, A. Zylberstejn, F. Tondini, P. Bareyre, B. Merkel, E. E. Kluge, M. Curatolo, S. A. Wotton, D. Autiero, K. Hultqvist, J. M. Gaillard, L. DiLella, Peter Jenni, Michael Andrew Parker, Darien Wood, C. Conta, Luca Cozzi, Louis Fayard, R. Ansari, Gary F. Egan, Massimiliano F. Sacchi, P. Cenci, S. Grünendahl, M. Pepe, V. Sondermann, L. Müller, T. DelPrete, V. Simak, Valerio Vercesi, F. Gianotti, H. Zaccone, P. Bonamy, Klaus Peter Pretzl, J., Alitti, G., Ambrosini, R., Ansari, D., Autiero, P., Bareyre, I. A., Bertram, G., Blaylock, P., Bonamy, K., Borer, M., Bourliaud, D., Buskulic, G., Carboni, D., Cavalli, V., Cavasinni, P., Cenci, J. C., Chollet, C., Conta, G., Costa, F., Costantini, L., Cozzi, A., Cravero, M., Curatolo, A., Dellacqua, T., Delprete, R. S., Dewolf, L., Dilella, Y., Ducro, G. F., Egan, K. F., Einsweiler, B., Esposito, L., Fayard, A., Federspiel, R., Ferrari, M., Fraternali, D., Froidevaux, G., Fumagalli, J. M., Gaillard, F., Gainotti, O., Gildemeister, C., Gossling, V. G., Goggi, S., Grunendahl, K., Hara, S., Hellman, J., Hrivnac, H., Hufnagel, E., Hugentobler, K., Hultqvist, E., Iacopini, J., Incandela, K., Jakob, P., Jenni, E. E., Kluge, N., Kurz, S., Lami, P., Lariccia, M., Lefebvre, L., Linssen, M., Livan, P., Lubrano, C., Magneville, L., Mandelli, L., Mapelli, M., Mazzanti, K., Meier, B., Merkel, J. P., Meyer, M., Moniez, R., Moning, M., Morganti, L., Muller, D. J., Munday, M., Nessi, F., Nessitedaldi, C., Onion, T., Pal, M. A., Parker, G., Parrour, F., Pastore, E., Pennacchio, J. M., Pentney, M., Pepe, L., Perini, C., Petridou, P., Petroff, H., Plothowbesch, G., Polesello, A., Poppleton, K., Pretzl, M., Primavera, M., Punturo, J. P., Repellin, A., Rimoldi, M., Sacchi, Scampoli, Paola, J., Schacher, B., Schmidt, V., Simak, S. L., Singh, V., Sondermann, R., Spiwok, S., Stapne, C., Talamonti, F., Tondini, S. N., Tovey, E., Tsesmeli, G., Unal, M., Valdatanappi, V., Vercesi, A. R., Weidberg, P. S., Well, T. O., White, D. R., Wood, S. A., Wotton, H., Zaccone, and A., Zylberstejn
Subjects: Physics, Nuclear and High Energy Physics, Top quark, Particle physics, Branching fraction, Elementary particle, Nuclear physics, Particle decay, Pair production, Antimatter, UA2 EXPERIMENT, SCINTILLATING FIBER DETECTOR, B' QUARKS, Particle Physics - Experiment, Lepton, Boson
Abstract: The decays W --> ev and Z --> e+e- are studied in ppBAR collisions at square-root s = 630 GeV. The products of production cross section and branching ratio are measured as sigma(W)e = 682 +/- 12 +/- 40 pb and sigma(Z)e = 65.6 +/- 4.0 +/- 3.8 pb. The results are in good agreement with O (alpha(s)2) calculations of the production cross sections. Many systematic effects cancel in the ratio, R = 10.4 +/- 0.6(0.7) +/- 0.3, which can be used to give an indirect measurement of the total width of the W boson: GAMMA(W) = 2.10 +/- 0.13 +/- 0.09 GeV. The width gives a limit on the top quark mass, m(top) > 53 GeV (95% CL), which is independent of the top decay mode.
Published: 1992

46. A search for scalar leptoquarks at the CERN collider

Author: D. Cavalli, Adele Rimoldi, M. Primavera, A. Zylberstejn, B. Merkel, V. G. Goggi, V. Simak, H. Plothow-Besch, J.M. Pentney, I.A. Bertram, Alan Poppleton, E. E. Kluge, G. Costa, S. Grünendahl, Cinzia Talamonti, Laura Perini, Livio Mapelli, Andrea Federspiel, T. Pal, S. A. Wotton, G. Parrour, K. Hultqvist, K. Hara, Francesca Nessi-Tedaldi, Michael Andrew Parker, Sten Hellman, L. DiLella, E. Iacopini, V. Sondermann, Paolo Lariccia, Claus Gössling, Michele Livan, L. Mandelli, J. Incandela, L. Müller, Darien Wood, Valerio Vercesi, A. Cravero, Louis Fayard, K. Borer, Peter Jenni, J-P. Meyer, Chariclia Petridou, T. O. White, F. Gianotti, J. P. Repellin, P. Lubrano, Steinar Stapnes, Vincenzo Cavasinni, R. S. DeWolf, L. Linssen, Roberto Ferrari, M. Peper, Daniel Froidevaux, D. Autiero, Gary F. Egan, A. R. Weidberg, R. Moning, P. Cenci, Giovanni Carboni, J. C. Chollet, M. Punturo, Marcello Mazzanti, J. Schacher, M. Moniez, H. Hufnagel, D. J. Munday, S. Lami, G. Blaylock, J. Alitti, K. Meier, Kevin Einsweiler, E. Tsesmelis, C. Conta, T. DelPrete, P. Bonamy, E. Hugentobler, C. Magneville, Marzio Nessi, B. Schmidt, M. Valdata-Nappi, R. Spiwoks, Luca Cozzi, F. Tondini, F. Pastore, P. S. Wells, P. Bareyre, S. N. Tovey, H. Zaccone, G. Unal, M. Morganti, B. Esposito, Klaus Peter Pretzl, D. Buskulic, Y. Ducros, Giovanna Ambrosini, N. Kurz, R. Ansari, E. Pennacchio, Massimiliano F. Sacchi, F. Costantini, A. Dell'Acqua, O. Gildemeister, G. Polesello, G. Fumagalli, M. Curatolo, J. M. Gaillard, S. L. Singh, Michel Lefebvre, M. Bourliaud, Paola Scampoli, Marco Fraternali, J. Hřivnáč, C. Onions, P. Petroff, and Karl Jakobs
Subjects: Quark, Physics, Nuclear and High Energy Physics, Particle physics, Large Hadron Collider, Physics::Instrumentation and Detectors, Branching fraction, High Energy Physics::Phenomenology, Scalar (physics), Electron, Nuclear physics, Pair production, High Energy Physics::Experiment, Leptoquark, Electron neutrino
Abstract: A search has been made for scalar leptoquark pair production with the upgraded UA2 detector at the CERN p p Collider at √s = 630 GeV, investigating decays of the leptoquark into a quark and either an electron or an electron neutrino. From an event sample corresponding to an integrated luminosity of 13 pb−1 a lower limit has been determined for the mass of first generation leptoquarks, yielding 67 GeV (95% CL) for a scalar leptoquark decaying with a 50% branching ratio into a quark and an electron.
Published: 1992

47. Study of electron pair production below the Z mass at the CERN p collider

Author: O. Gildemeister, J. Incandela, Sten Hellman, G. Polesello, J. Schacher, J-P. Meyer, C. Onions, Chariclia Petridou, P. Petroff, Karl Jakobs, Giovanna Ambrosini, K. Borer, G. Fumagalli, E. Tsesmelis, R. Moning, E. Hugentobler, G. Costa, G. Parrour, Gary F. Egan, M. Valdata-Nappi, H. Hufnagel, M. Moniez, Julius Hrivnac, M. Curatolo, Michele Livan, M. Pepe, S. N. Tovey, V. G. Goggi, P. Bonamy, J. M. Gaillard, J.M. Pentney, Cinzia Talamonti, Marcello Mazzanti, P. S. Wells, E. Iacopini, Michael Andrew Parker, V. Simak, K. Hara, I.A. Bertram, Darien Wood, G. Blaylock, L. Mandelli, Stefan Gruenendahl, Giovanni Carboni, C. Conta, V. Sondermann, Vincenzo Cavasinni, F. Tondini, Valerio Vercesi, F. Gianotti, Laura Perini, T. O. White, L. Müller, M. Punturo, S. L. Singh, Luca Cozzi, T. Pal, F. Pastore, J. Alitti, B. Schmidt, P. Bareyre, T. Del Prete, Michel Lefebvre, M. Bourliaud, Daniel Froidevaux, H. Zaccone, Paola Scampoli, J. P. Repellin, Marco Fraternali, N. Kurz, Steinar Stapnes, R. S. DeWolf, A. R. Weidberg, K. Meier, C. Magneville, F. Costantini, Klaus Peter Pretzl, D. J. Munday, Kevin Einsweiler, D. Cavalli, H. Plothow-Besch, Andrea Federspiel, Paolo Lariccia, Louis Fayard, E. Pennacchio, A. Dell'Acqua, R. Ansari, Massimiliano F. Sacchi, Y. Ducros, Francesca Nessi-Tedaldi, M. Primavera, Claus Gössling, A. Cravero, A. Zylberstejn, B. Merkel, P. Cenci, D. Auterio, Adele Rimoldi, L. Di Lella, S. Lami, S. A. Wotton, K. Hultqvist, Peter Jenni, Roberto Ferrari, J. C. Chollet, R. Spiwoks, G. Unal, B. Esposito, D. Buskulic, E. E. Kluge, M. Morganti, Marzio Nessi, Alan Poppleton, Livio Mapelli, P. Lubrano, L. Linssen, J., Alitti, G., Ambrosini, R., Ansari, D., Autiero, P., Bareyre, I. A., Bertram, G., Blaylock, P., Bonamy, K., Borer, M., Bourliaud, D., Buskulic, G., Carboni, D., Cavalli, V., Cavasinni, P., Cenci, J. C., Chollet, C., Conta, G., Costa, F., Costantini, L., Cozzi, A., Cravero, M., Curatolo, A., Dellacqua, T., Delprete, R. S., Dewolf, L., Dilella, Y., Ducro, G. F., Egan, K. F., Einsweiler, B., Esposito, L., Fayard, A., Federspiel, R., Ferrari, M., Fraternali, D., Froidevaux, G., Fumagalli, J. M., Gaillard, F., Gianotti, O., Gildemeister, C., Gossling, V. G., Goggi, S., Grunendahl, K., Hara, S., Hellman, J., Hrivnac, H., Hufnagel, E., Hugentobler, K., Hultqvist, E., Iacopini, J., Incandela, K., Jakob, P., Jenni, E. E., Kluge, N., Kurz, S., Lami, P., Lariccia, M., Lefebvre, L., Linssen, M., Livan, P., Lubrano, C., Magneville, L., Mandelli, L., Mapelli, M., Mazzanti, K., Meier, B., Merkel, J. P., Meyer, M., Moniez, R., Moning, M., Morganti, L., Muller, D. J., Munday, M., Nessi, F., Nessitedaldi, C., Onion, T., Pal, M. A., Parker, G., Parrour, F., Pastore, E., Pennacchio, J. M., Pentney, M., Pepe, L., Perini, C., Petridou, P., Petroff, H., Plothowbesch, G., Polesello, A., Poppleton, K., Pretzl, M., Primavera, M., Punturo, J. P., Repellin, A., Rimoldi, M., Sacchi, Scampoli, Paola, J., Schacher, B., Schmidt, V., Simak, S. L., Singh, V., Sondermann, R., Spiwok, S., Stapne, C., Talamonti, F., Tondini, S. N., Tovey, E., Tsesmeli, G., Unal, M., Valdatanappi, V., Vercesi, A. R., Weidberg, P. S., Well, T. O., White, D. R., Wood, S. A., Wotton, H., Zaccone, and A., Zylberstejn
Subjects: Physics, Quantum chromodynamics, Nuclear and High Energy Physics, Electron pair, Particle physics, Large Hadron Collider, Drell–Yan process, law.invention, Nuclear physics, Cross section (physics), law, UA2 EXPERIMENT, High Energy Physics::Experiment, Invariant mass, Nuclear Experiment, Collider, PROTON-NUCLEUS COLLISIONS, Scaling
Abstract: Results on the cross section for the production of electron pairs in ppBAR collisions at square-root s = 630 GeV are presented. The measured value is sigma = 405 +/- 51 (syst.) +/- 84 (syst.) pb, in the invariant mass interval 10 < m < 70 GeV. The results are compared to recent theoretical calculations which include O(alpha(s)2) QCD contributions. The comparison of these data with those of lower energy experiments show approximate scaling as a function of the variable square-root tau = m/ square-root s.
Published: 1992

48. A measurement of coherent neutral pion production in neutrino neutral current interactions in the NOMAD experiment

Author: Marco Fraternali, A. Placci, J. A. Hernando, M. Mezzetto, A. De Santo, Alexander Toropin, Kai Zuber, G. Bassompierre, S. Boyd, B. Lakić, G. N. Taylor, L. S. Peak, O.L. Klimov, V. Flaminio, F. J. P. Soler, J. Long, K. Benslama, T. Vinogradova, F. Bobisut, Antonio Bueno, A.-M. Touchard, A. Cervera-Villanueva, Kevin Varvell, L. Camilleri, Vyacheslav Valuev, J.M. Gaillard, C. Lachaud, Giacomo Graziani, V. V. Lyubushkin, M. T. Tran, D. Steele, Nathalie Besson, E. Gangler, Mikhail Kirsanov, R. Cousins, Barry Blumenfeld, A.M. Scott, A. Grant, H. Pessard, P. Nedelec, T. Weisse, J. Kokkonen, Malcolm Ellis, R. Challis, J.-P. Mendiburu, Q. Wu, S.A. Bunyatov, A. Marchionni, J.-M. Vieira, U. Stiegler, E. Pennacchio, I. Bird, D. Geppert, J. Rico, P.W. Cattaneo, Ante Ljubičić, F. Vannucci, E. do Couto e Silva, N. Hyett, R. Petti, D. Pollmann, P. Astier, J. Bouchez, L. Linssen, J.J. Gómez-Cadenas, André Rubbia, O. Samoylov, Alessandro Cardini, X.C. Tian, A. Baldisseri, Sergey Alekhin, Roberto Ferrari, V. Tereshchenko, F. Salvatore, B. A. Popov, Alexey Krasnoperov, D. Autiero, D. Sillou, Yu. Nefedov, L. Vacavant, F.V. Weber, Frédéric Juget, Chiara Roda, P. Zuccon, J. Gosset, A. Lupi, E. Iacopini, Caroline Poulsen, H. Zaccone, Luca Rebuffi, Artem Chukanov, Bruce Yabsley, Claus Gößling, X. Méchain, A. Guglielmi, D. Gibin, C. Joseph, Vincenzo Cavasinni, G. Vidal-Sitjes, M. Baldo-Ceolin, A. Polyarush, C. Conta, B. Schmidt, H. Degaudenzi, G. J. Feldman, Achim Geiser, G. F. Moorhead, G. Conforto, J. Dumarchez, Marco Laveder, Didier Ferrere, Th. Stolarczyk, M. Banner, Valerio Vercesi, Dmitry V. Naumov, M. E. Sevior, K. Schahmaneche, Sergei Gninenko, C.T. Kullenberg, P. Hurst, L. Di Lella, M. Valdata-Nappi, E. Tsesmelis, Caren Hagner, Domizia Orestano, J.J. Kim, T. Schmidt, A. Kovzelev, A. Godley, M. Contalbrigo, J. M. Levy, Sergey A. Kulagin, G. Collazuol, Mario Stipčević, M. Veltri, J-P. Meyer, L.J. Winton, A. Sconza, J. Ulrichs, M.B. Seaton, L. La Rotonda, S. R. Mishra, A. Lanza, G. Sozzi, P. Riemann, Stefano Lacaprara, Fergus Wilson, A. Letessier-Selvon, Giacomo Polesello, M. Tareb-Reyes, Michel Gouanère, F. Martelli, N. Kent, C. Nguyen-Mau, T. Del Prete, S.N. Tovey, Fr Pastore, Kullenberg, Ct, Mishra, Sr, Seaton, Mb, Kim, Jj, Tian, Xc, Scott, Am, Kirsanov, M, Petti, R, Alekhin, S, Astier, P, Autiero, D, Baldisseri, A, Baldo Ceolin, M, Banner, M, Bassompierre, G, Benslama, K, Besson, N, Bird, I, Blumenfeld, B, Bobisut, F, Bouchez, J, Boyd, S, Bueno, A, Bunyatov, S, Camilleri, L, Cardini, A, Cattaneo, Pw, Cavasinni, V, Cervera Villanueva, A, Challis, R, Chukanov, A, Collazuol, G, Conforto, G, Conta, C, Contalbrigo, M, Cousins, R, Degaudenzi, H, De Santo, A, Del Prete, T, Di Lella, L, Silva, Ede, Dumarchez, J, Ellis, M, Feldman, Gj, Ferrari, R, Ferrere, D, Flaminio, V, Fraternali, M, Gaillard, Jm, Gangler, E, Geiser, A, Geppert, D, Gibin, D, Gninenko, S, Godley, A, Gomez Cadenas, Jj, Gosset, J, Gossling, C, Gouanere, M, Grant, A, Graziani, G, Guglielmi, A, Hagner, C, Hernando, J, Hurst, P, Hyett, N, Iacopini, E, Joseph, C, Juget, F, Kent, N, Klimov, O, Kokkonen, J, Kovzelev, A, Krasnoperov, A, Kulagin, S, Lacaprara, S, Lachaud, C, Lakic, B, Lanza, A, La Rotonda, L, Laveder, M, Letessier Selvon, A, Levy, Jm, Ling, J, Linssen, L, Ljubicic, A, Long, J, Lupi, A, Lyubushkin, V, Marchionni, A, Martelli, F, Mechain, X, Mendiburu, Jp, Meyer, Jp, Mezzetto, M, Moorhead, Gf, Naumov, D, Nedelec, P, Nefedov, Y, Nguyen Mau, C, Orestano, Domizia, Pastore, F, Peak, L, Pennacchio, E, Pessard, H, Placci, A, Polesello, G, Pollmann, D, Polyarush, A, Poulsen, C, Popov, B, Rebuffi, L, Rico, J, Riemann, P, Roda, C, Rubbia, A, Salvatore, F, Samoylov, O, Schahmaneche, K, Schmidt, B, Schmidt, T, Sconza, A, Sevior, M, Sillou, D, Soler, Fjp, Sozzi, G, Steele, D, Stiegler, U, Stipcevic, M, Stolarczyk, T, Tareb Reyes, M, Taylor, Gn, Tereshchenko, V, Toropin, A, Touchard, Am, Tovey, Sn, Tran, Mt, Tsesmelis, E, Ulrichs, J, Vacavant, L, Valdata Nappi, M, Valuev, V, Vannucci, F, Varvell, Ke, Veltri, M, Vercesi, V, Vidal Sitjes, G, Vieira, Jm, Vinogradova, T, Weber, Fv, Weisse, T, Wilson, Ff, Winton, Lj, Wu, Q, Yabsley, Bd, Zaccone, H, Zuber, K, Zuccon, P., Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Laboratoire d'Annecy de Physique des Particules (LAPP/Laboratoire d'Annecy-le-Vieux de Physique des Particules), 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), APC - Neutrinos, AstroParticule et Cosmologie (APC (UMR_7164)), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), NOMAD, Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Pierre et Marie Curie - Paris 6 (UPMC), Laboratoire d'Annecy de Physique des Particules (LAPP), Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Pierre et Marie Curie - Paris 6 (UPMC)-AstroParticule et Cosmologie (APC (UMR_7164)), Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-AstroParticule et Cosmologie (APC (UMR_7164)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, and Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)
Subjects: Particle physics, Nuclear and High Energy Physics, FOS: Physical sciences, 7. Clean energy, 01 natural sciences, High Energy Physics - Experiment, Nuclear physics, High Energy Physics - Experiment (hep-ex), Pion, Coherent pion neutrino neutral current, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], 010306 general physics, Nuclear Experiment, Charged current, Physics, Range (particle radiation), Large Hadron Collider, Neutral current, 010308 nuclear & particles physics, Scattering, Física, Deep inelastic scattering, coherent pion, neutrino, neutral current, High Energy Physics::Experiment, Neutrino, Particle Physics - Experiment
Abstract: We present a study of exclusive neutral pion production in neutrino-nucleus Neutral Current interactions using data from the NOMAD experiment at the CERN SPS. The data correspond to $1.44 \times 10^6$ muon-neutrino Charged Current interactions in the energy range $2.5 \leq E_{\nu} \leq 300$ GeV. Neutrino events with only one visible $\pi^0$ in the final state are expected to result from two Neutral Current processes: coherent $\pi^0$ production, {\boldmath $\nu + {\cal A} \to \nu + {\cal A} + \pi^0$} and single $\pi^0$ production in neutrino-nucleon scattering. The signature of coherent $\pi^0$ production is an emergent $\pi^0$ almost collinear with the incident neutrino while $\pi^0$'s produced in neutrino-nucleon deep inelastic scattering have larger transverse momenta. In this analysis all relevant backgrounds to the coherent $\pi^0$ production signal are measured using data themselves. Having determined the backgrounds, and using the Rein-Sehgal model for the coherent $\pi^0$ production to compute the detection efficiency, we obtain {\boldmath $4630 \pm 522 (stat) \pm 426 (syst)$} corrected coherent-$\pi^0$ events with $E_{\pi^0} \geq 0.5$ GeV. We measure {\boldmath $\sigma (\nu {\cal A} \to \nu {\cal A} \pi^0) = [ 72.6 \pm 8.1(stat) \pm 6.9(syst) ] \times 10^{-40} cm^2/nucleus$}. This is the most precise measurement of the coherent $\pi^0$ production to date., Comment: 23 pages, 9 figures, accepted for publication in Phys. Lett. B
Published: 2009

49. A study of quasi-elastic muon neutrino and antineutrino scattering in the NOMAD experiment

Author: V. Lyubushkin, B. Popov, J. J. Kim, L. Camilleri, J.-M. Levy, M. Mezzetto, D. Naumov, S. Alekhin, P. Astier, D. Autiero, A. Baldisseri, M. Baldo-Ceolin, M. Banner, G. Bassompierre, K. Benslama, N. Besson, I. Bird, B. Blumenfeld, F. Bobisut, J. Bouchez, S. Boyd, A. Bueno, S. Bunyatov, A. Cardini, P. W. Cattaneo, V. Cavasinni, A. Cervera-Villanueva, R. Challis, A. Chukanov, G. Collazuol, G. Conforto, C. Conta, M. Contalbrigo, R. Cousins, D. Daniels, H. Degaudenzi, T. Del Prete, A. De Santo, T. Dignan, L. Di Lella, E. do Couto e Silva, J. Dumarchez, M. Ellis, G. J. Feldman, R. Ferrari, D. Ferrère, V. Flaminio, M. Fraternali, J.-M. Gaillard, E. Gangler, A. Geiser, D. Geppert, D. Gibin, S. Gninenko, A. Godley, J.-J. Gomez-Cadenas, J. Gosset, C. Gößling, M. Gouanère, A. Grant, G. Graziani, A. Guglielmi, C. Hagner, J. Hernando, D. Hubbard, P. Hurst, N. Hyett, E. Iacopini, C. Joseph, F. Juget, N. Kent, M. Kirsanov, O. Klimov, J. Kokkonen, A. Kovzelev, A. Krasnoperov, S. Kulagin, D. Kustov, S. Lacaprara, C. Lachaud, B. Lakić, A. Lanza, L. La Rotonda, M. Laveder, A. Letessier-Selvon, J. Ling, L. Linssen, A. Ljubičić, J. Long, A. Lupi, A. Marchionni, F. Martelli, X. Méchain, J.-P. Mendiburu, J.-P. Meyer, S. R. Mishra, G. F. Moorhead, P. Nédélec, Yu. Nefedov, C. Nguyen-Mau, D. Orestano, F. Pastore, L. S. Peak, E. Pennacchio, H. Pessard, R. Petti, A. Placci, G. Polesello, D. Pollmann, A. Polyarush, C. Poulsen, L. Rebuffi, J. Rico, P. Riemann, C. Roda, A. Rubbia, F. Salvatore, O. Samoylov, K. Schahmaneche, B. Schmidt, T. Schmidt, A. Sconza, M. Seaton, M. Sevior, D. Sillou, F. J. P. Soler, G. Sozzi, D. Steele, U. Stiegler, M. Stipčević, Th. Stolarczyk, M. Tareb-Reyes, G. N. Taylor, V. Tereshchenko, A. Toropin, A.-M. Touchard, S. N. Tovey, M.-T. Tran, E. Tsesmelis, J. Ulrichs, L. Vacavant, M. Valdata-Nappi, V. Valuev, F. Vannucci, K. E. Varvell, M. Veltri, V. Vercesi, G. Vidal-Sitjes, J.-M. Vieira, T. Vinogradova, F. V. Weber, T. Weisse, F. F. Wilson, L. J. Winton, Q. Wu, B. D. Yabsley, H. Zaccone, K. Zuber, P. Zuccon, Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, 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), APC - Neutrinos, Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Pierre et Marie Curie - Paris 6 (UPMC)-AstroParticule et Cosmologie (APC (UMR_7164)), Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), NOMAD, Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-AstroParticule et Cosmologie (APC (UMR_7164)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Lyubushkin, V, Popov, B, Kim, Jj, Camilleri, L, Levy, Jm, Mezzetto, M, Naumov, D, Alekhin, S, Astier, P, Autiero, D, Baldisseri, A, Baldo Ceolin, M, Banner, M, Bassompierre, G, Benslama, K, Besson, N, Bird, I, Blumenfeld, B, Bobisut, F, Bouchez, J, Boyd, S, Bueno, A, Bunyatov, S, Cardini, A, Cattaneo, Pw, Cavasinni, V, Cervera Villanueva, A, Challis, R, Chukanov, A, Collazuol, G, Conforto, G, Conta, C, Contalbrigo, M, Cousins, R, Daniels, D, Degaudenzi, H, Del Prete, T, De Santo, A, Dignan, T, Di Lella, L, Silva, Ede, Dumarchez, J, Ellis, M, Feldman, Gj, Ferrari, R, Ferrere, D, Flaminio, V, Fraternali, M, Gaillard, Jm, Gangler, E, Geiser, A, Geppert, D, Gibin, D, Gninenko, S, Godley, A, Gomez Cadenas, Jj, Gosset, J, Gossling, C, Gouanere, M, Grant, A, Graziani, G, Guglielmi, A, Hagner, C, Hernando, J, Hubbard, D, Hurst, P, Hyett, N, Iacopini, E, Joseph, C, Juget, F, Kent, N, Kirsanov, M, Klimov, O, Kokkonen, J, Kovzelev, A, Krasnoperov, A, Kulagin, S, Kustov, D, Lacaprara, S, Lachaud, C, Lakic, B, Lanza, A, La Rotonda, L, Laveder, M, Letessier Selvon, A, Ling, J, Linssen, L, Ljubicic, A, Long, J, Lupi, A, Marchionni, A, Martelli, F, Mechain, X, Mendiburu, Jp, Meyer, Jp, Mishra, Sr, Moorhead, Gf, Nedelec, P, Nefedov, Y, Nguyen Mau, C, Orestano, Domizia, Pastore, F, Peak, L, Pennacchio, E, Pessard, H, Petti, R, Placci, A, Polesello, G, Pollmann, D, Polyarush, A, Poulsen, C, Rebuffi, L, Rico, J, Riemann, P, Roda, C, Rubbia, A, Salvatore, F, Samoylov, O, Schahmaneche, K, Schmidt, B, Schmidt, T, Sconza, A, Seaton, M, Sevior, M, Sillou, D, Soler, Fjp, Sozzi, G, Steele, D, Stiegler, U, Stipcevic, M, Stolarczyk, T, Tareb Reyes, M, Taylor, Gn, Tereshchenko, V, Toropin, A, Touchard, Am, Tovey, Sn, Tran, Mt, Tsesmelis, E, Ulrichs, J, Vacavant, L, Valdata Nappi, M, Valuev, V, Vannucci, F, Varvell, Ke, Veltri, M, Vercesi, V, Vidal Sitjes, G, Vieira, Jm, Vinogradova, T, Weber, Fv, Weisse, T, Wilson, Ff, Winton, Lj, Wu, Q, Yabsley, Bd, Zaccone, H, Zuber, K, Zuccon, P., Laboratoire d'Annecy de Physique des Particules (LAPP/Laboratoire d'Annecy-le-Vieux de Physique des Particules), AstroParticule et Cosmologie (APC (UMR_7164)), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), and Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)
Subjects: Particle physics, Physics and Astronomy (miscellaneous), FOS: Physical sciences, 01 natural sciences, 7. Clean energy, High Energy Physics - Experiment, MiniBooNE, High Energy Physics - Experiment (hep-ex), muon neutrino, antineutrino scattering, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Bubble chamber, Muon neutrino, Engineering (miscellaneous), Nuclear Experiment, 010306 general physics, Mass parameter, Charged current, Physics, 010308 nuclear & particles physics, Scattering, High Energy Physics::Phenomenology, Física, Deuterium, High Energy Physics::Experiment, Neutrino, Particle Physics - Experiment
Abstract: We have studied the muon neutrino and antineutrino quasi-elastic (QEL) scattering reactions ($\nu_\mu n\to \mu^- p$ and $\bar{\nu}_\mu p\to \mu^+ n$) using a set of experimental data collected by the NOMAD collaboration. We have performed measurements of the cross-section of these processes on a nuclear target (mainly Carbon) normalizing it to the total $\nu_\mu$ ($\bar{\nu}_\mu$) charged current cross-section. The results for the flux averaged QEL cross-sections in the (anti)neutrino energy interval 3-100 GeV are $\sigma^{qel}_{\nu_\mu} = (0.92 \pm 0.02 (stat) \pm 0.06 (syst))\times 10^{-38} \cm^2$ and $\sigma{qel}_{\bar{\nu}_\mu} = (0.81 \pm 0.05 (stat) \pm 0.08 (syst))\times 10^{-38} \cm^2$ for neutrino and antineutrino, respectively. The axial mass parameter $M_A$ was extracted from the measured quasi-elastic neutrino cross-section. The corresponding result is $M_A = 1.05 \pm 0.02 (stat) \pm 0.06 (syst) GeV$. It is consistent with the axial mass values recalculated from the antineutrino cross-section and extracted from the pure $Q^2$ shape analysis of the high purity sample of $\nu_\mu$ quasi-elastic 2-track events, but has smaller systematic error and should be quoted as the main result of this work. Our measured $M_A$ is found to be in good agreement with the world average value obtained in previous deuterium filled bubble chamber experiments. The NOMAD measurement of $M_A$ is lower than those recently published by K2K and MiniBooNE collaborations. However, within the large errors quoted by these experiments on $M_A$, these results are compatible with the more precise NOMAD value., Comment: 26 pages, 18 figures, submitted to Eur.Phys.J.C
Published: 2009

50. A determination of the strong coupling constant αs from W production at the CERN pp̄ collider

Author: T. Pal, H. Zaccone, N. Kurz, E. Iacopini, Vincenzo Cavasinni, J. Alitti, P. Lubrano, B. Meier, Giovanni Carboni, E. Tsesmelis, Claus Gössling, L. Linssen, L. Mandelli, H. Hufnagel, E. Hugentobler, M. Morganti, F. Pastore, Cinzia Talamonti, M. Valdata-Nappi, V. Simak, P. Bareyre, M. Moniez, Michael Andrew Parker, A. V. Stirling, I.A. Bertram, Daniel Froidevaux, E. Pennacchio, Darien Wood, Julius Hrivnac, Valerio Vercesi, C. Onions, T. O. White, F. Gianotti, P. Petroff, Marcello Mazzanti, F. Costantini, Karl Jakobs, P. S. Wells, A. Dell'Acqua, Louis Fayard, G. Blaylock, Michele Livan, C. Conta, Giovanna Ambrosini, T. DelPrete, H. Plothow-Besch, S. Lami, M. Punturo, G. Fumagalli, Alan Poppleton, M. Curatolo, Andrea Federspiel, Luca Cozzi, Livio Mapelli, G. Costa, R. Ansari, J. M. Gaillard, Paolo Lariccia, S. N. Tovey, Y. Ducros, Sten Hellman, Massimiliano F. Sacchi, Steinar Stapnes, J. Schacher, R. S. DeWolf, A. R. Weidberg, G. Parrour, Michel Lefebvre, M. Bourliaud, Paola Scampoli, Francesca Nessi-Tedaldi, M. Bonesini, Kevin Einsweiler, Marzio Nessi, D. J. Munday, Marco Fraternali, M. Pepe, A. Cravero, E. E. Kluge, O. Gildemeister, G. Polesello, P. Bonamy, Laura Perini, F. Tondini, S. L. Singh, D. Autiero, J. P. Repellin, Klaus Peter Pretzl, V. G. Goggi, J.M. Pentney, K. Hara, J. Incandela, C. Magneville, R. Moning, S. Grünendahl, K. Borer, G. Unal, V. Sondermann, L. Müller, B. Esposito, D. Buskulic, J-P. Meyer, Chariclia Petridou, Roberto Ferrari, J. C. Chollet, S. A. Wotton, K. Hultqvist, L. DiLella, Peter Jenni, Gary F. Egan, D. Cavalli, Adele Rimoldi, M. Primavera, A. Zylberstejn, B. Merkel, and P. Cenci
Subjects: Physics, Nuclear and High Energy Physics, Jet (fluid), Particle physics, Large Hadron Collider, Large sample, law.invention, Nuclear physics, law, Strong coupling, High Energy Physics::Experiment, Nuclear Experiment, Collider, Constant (mathematics), Production rate
Abstract: The large sample of W→eν events collected by the UA2 experiment at the CERN pp collider between 1988 and 1990 has been used to determine the strong coupling constant α s . From a measurement of the ratio of the production rate of W events with one jet to that with no jets, α s has been extracted to second order in the MS scheme: α s (M 2 w )=0.123±0.0.18( stat .)±0.017 ( syst .) .
Published: 1991

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