22 research outputs found
Large Angle Beamstrahlung Monitor
No full textThe Large Angle Beamstrahlung Monitor (LABM) is an important piece of equipment developed primarily at Wayne State University, its purpose is to monitor the beam parameters in a particle accelerator at the interaction point in order to have more control over the accelerator. The LABM collects visible radiation emitted during or just before beam collisions. The LABM has provided results so far, in the paper “A Neural Network approach to reconstructing SuperKEKB beam parameters from beamstrahlung.” LABM data was used to successfully predict beam parameters. In this thesis we will produce results that are important for upgrading the LABM system, discuss the upgrade itself, and future prospects
Current therapy in oral and maxillofacial surgery /
No full textWritten by expert surgeons and educators, Current Therapy in Oral and Maxillofacial Surgery covers the latest treatment strategies, surgical techniques, and potential complications in OMS. Emphasizing an evidence-based approach, it covers all 12 subspecialties of OMS, addressing topics from surgical principles to oral surgery, anesthesia, cranio-maxillofacial trauma surgery, head and neck surgery, maxillofacial reconstructive surgery, orthognathic surgery, pediatric craniofacial surgery including cleft lip and palate, temporomandibular joint disorders, facial plastic surgery including rhinoplasty and facelifts, obstructive sleep apnea, and oral and maxillofacial infections. At the end of each chapter, Pearls and Pitfalls summarize the authors' insight, recommendations, and experience on that topic. Editor Dr. Shahrokh Bagheri is a noted professor, researcher, and speaker on OMS, and he leads an expert author team including Dr. R. Bryan Bell and Dr. Husain Ali Khan to help you master and apply the latest advances in OMS. More than 1,200 full-color photos and 200 color line drawings illustrate concepts and provide visual guidance in clinical areas. Comprehensive sections and chapters represent essential topics, the newest advances, and controversial topics. Clinical coverage brings together the latest knowledge in OMS in a concise, easy-to-apply way. Resident-specific coverage describes the wide array of subspecialties and treatments available in the armamentarium of the modern OMS. A focus on complications ensures that you are knowledgeable in this important part of any therapy or surgical discipline. Expert contributors include the "best of the best," featuring leading, well-established, and respected surgeons and educators writing on their areas of specialty and providing current treatment strategies.Written by expert surgeons and educators, Current Therapy in Oral and Maxillofacial Surgery covers the latest treatment strategies, surgical techniques, and potential complications in OMS. Emphasizing an evidence-based approach, it covers all 12 subspecialties of OMS, addressing topics from surgical principles to oral surgery, anesthesia, cranio-maxillofacial trauma surgery, head and neck surgery, maxillofacial reconstructive surgery, orthognathic surgery, pediatric craniofacial surgery including cleft lip and palate, temporomandibular joint disorders, facial plastic surgery including rhinoplasty and facelifts, obstructive sleep apnea, and oral and maxillofacial infections. At the end of each chapter, Pearls and Pitfalls summarize the authors' insight, recommendations, and experience on that topic. Editor Dr. Shahrokh Bagheri is a noted professor, researcher, and speaker on OMS, and he leads an expert author team including Dr. R. Bryan Bell and Dr. Husain Ali Khan to help you master and apply the latest advances in OMS. More than 1,200 full-color photos and 200 color line drawings illustrate concepts and provide visual guidance in clinical areas. Comprehensive sections and chapters represent essential topics, the newest advances, and controversial topics. Clinical coverage brings together the latest knowledge in OMS in a concise, easy-to-apply way. Resident-specific coverage describes the wide array of subspecialties and treatments available in the armamentarium of the modern OMS. A focus on complications ensures that you are knowledgeable in this important part of any therapy or surgical discipline. Expert contributors include the "best of the best," featuring leading, well-established, and respected surgeons and educators writing on their areas of specialty and providing current treatment strategies.Print version record.Includes bibliographical references and index.The history of oral and maxillofacial surgery / Lou S. Belinfante -- Wound healing: repair biology and wound and scar treatment / Anh D. Le, Jimmy James Brown -- Flap classification and principles of flap design for head and neck reconstruction / Andrew S. Salama -- Principles of repair and grafting of bone and cartilage / Tara L. Aghaloo, Alan L. Felsenfeld -- Burns of the head and neck / Nathan A. Kemalyan -- Endoscopic oral and maxillofacial surgery / Joseph P. McCain, King Kim -- Principles of microvascular surgery / Remy H. Blanchaert Jr. -- Antibiotic prophylaxis to prevent surgical site infections in oral and maxillofacial surgery / Julie Ann Smith -- Tissue engineering / Miller H. Smith, Kenji Izumi, Stephen E. Feinberg -- Molecular biology of head and neck cancer: therapeutic implications / David K. Lam, Brian L. Schmidt -- Principles of distraction osteogenesis / Cesar A. Guerrero, Helen Rivera, Elena V. Mujica, Mariana Henriquez, Marianela Gonzalez -- Principles of implantology and osseointegration / Guillermo E. Chacon, Carlos M. Ugalde.Management of asymptomatic wisdom teeth: an evidence-based approach / Thomas B. Dodson -- Value of oral and maxillofacial surgeons: dentistry's liaisons to medicine and hospital care / Connie L. Drisko -- Removal of third molars / M.A. Pogrel -- Management of the impacted canine / Steven W. Beadnell -- Implants for orthodontic anchorage: temporary anchorage device / Joyce T. Lee -- Dental implant prosthetic rehabilitation: autogenous bone grafting for alveolar defects / Stephen A. Bankston -- Dental implant prosthetic rehabilitation: allogeneic grafting/bone graft substitutes in implant dentistry / Mark R. Stevens, Hany A. Emam -- Dental implant prosthetic rehabilitation: vertical distraction osteogenesis / Glen Maron -- Dental implant prosthetic rehabilitation: sinus grafting / Antwan L. Treadway, Stephen A. Bankston -- Reconstruction of the atrophic mandible / Michael S. Jaskolka, George H. Blakey III -- Zygoma implants in the compromised maxilla: their use in both atrophic and maxillectomy patients / Eric J. Dierks, Kenji W. Higuchi -- Efficacy of rhBMP-2 in association with dental implants / Robert Gilbert Triplett, Mark E. Wong -- Computer-assisted implant surgery / Edward R. Schlissel -- Management of the anticoagulated patient / Rabie M. Shanti, Shahid R. Aziz -- The preoperative cardiac evaluation / Heather B. Westmoreland, A. Maziar Zafari -- Management of the irradiated patient / Martin I. Salgueiro, Mark R. Stevens -- Management of trigeminal nerve injuries / Shahrokh C. Bagheri, Roger Albert Meyer.Outpatient intravenous sedation for oral surgery / Harry Papadopoulos -- Nonsurgical management of facial pain / Steven J. Scrivani, David A. Keith, Jennifer P. Bassiur, James A Kraus, Noshir R. Mehta -- The pharmacology of Ketamine and its use in outpatient anesthesia / Christopher T. Kirkup, Jeffrey Bennett -- Nerve damage in dentistry / M.A. Pogrel.The surgical airway / Timothy Marx Osborn, Eric J. Dierks -- Traumatic epistaxis / Michael M. Demo, Martin B. Steed -- Nasal fractures / Tirbod Fattahi -- Mandibular fractures / Stephen P.R. MacLeod -- Mandibular subcondylar fractures / Larry L. Cunningham, Jr., Aaron Sterling Card -- Orbital fractures / R. Bryan Bell, Saif S. Al-Bustani -- Zygomaticomaxillary complex fractures / Christopher John Haggerty, Nagi Demian, Jose M. Marchena -- Le Fort fractures / Zachary S. Peacock, Brian Thomas Bast -- Naso-orbito-ethmoid fractures / Mark Engelstad -- Frontal sinus fractures / Yoh Sawatari, Johanny Caceres -- Pan-facial trauma / Alan S. Herford -- Management of avulsive gunshot wounds to the face / Amir H. Dorafshar, Eduardo D. Rodriguez -- Secondary reconstruction of post-traumatic maxillomandibular deformities / Rabie M. Shanti, Shahid R. Aziz.Neck mass: diagnosis and management / Deepak Kademani, Meredith August -- Keratocystic odontogenic tumor / M.A. Pogrel -- Contemporary treatment of ameloblastoma / Deepak Kademani, David Michael Junck -- Jaw cysts, benign odontogenic tumors of the jaws, and fibro-osseous diseases / Robert E. Marx -- The central giant cell granuloma / M.A. Pogrel -- Oral squamous cell carcinoma: epidemiology, clinical and radiographic evaluation, and staging / Brent B. Ward, Fayette C. Williams -- Oral squamous cell carcinoma / David L. Hirsch, Michael J. Spink -- Oral squamous cell carcinoma: management of the neck / Tuan Giang Bui, R. Bryan Bell -- Indications for adjuvant chemotherapy and radiation therapy / Robert Andrew Ord -- Salivary gland tumors: the parotid gland / Curtis Gregoire -- Minor salivary gland tumors / Antonia Kolokythas, Michael Miloro -- Management of head and neck sarcoma / Rafael A. Madero-Visbal, Thomas D. Shellenberger -- Osteoradionecrosis / Kevin Arce.Mandibular reconstruction / Jason K. Potter -- Palato-Maxillary reconstruction / Dimitrios Nikolarakos, Jason K. Potter -- Contemporary methods in tongue reconstruction / Phillip Pirgousis, Rui Fernandes -- Lip cancer: ablative and reconstructive surgery / Eric R. Carlson, Andres Guerra -- The temporalis system of flaps in head and neck reconstruction: temporoparietal fascia and temporalis muscle flaps / Jon D. Holmes -- Bisphosphonates and bisphosphonate-induced osteonecrosis of the jaws / Robert E. Marx -- Maxillofacial reconstruction using cancellous cellular marrow grafts / Robert E. Marx -- Ear reconstruction / Shawn A. McClure, Steven P. Best -- The pectoralis major myocutaneous flap / Dale A. Baur, Michael P. Horan, Juan C. Rodriquez -- Radial forearm free flap / Brian M. Woo, D. David Kim -- Fibula free flap and mandibular reconstruction / Phillip Pirgousis, Rui Fernandes -- Anterolateral thigh flap / Joshua Eli Lubek, Stephen L. Engroff -- Deep circumflex iliac artery free flap / Stephen L. Engroff, Joshua Eli Lubek -- Implant-assisted prosthetic reconstruction after tumor ablation / Devin Joseph Okay, Daniel Buchbinder.Computer-aided surgical simulation for orthognathic surgery / James J. Xia, Jaime Gateno, John F. Teichgraeber -- Mandibular deficiency: bilateral sagittal spilt osteotomy / Jessica J. Lee -- Maxillary deficiency: Le Fort I osteotomy / Vincent James Perciaccante -- Maxillary deficiency: transverse plane discrepancies / Rafael E. Alcalde, Dale S. Bloomquist, Don Joondeph -- Mandibular orthognathic surgery: vertical ramus osteotomy vs. sagittal split osteotomy / Shahid R. Aziz, Steven M. Roser -- Distraction osteogenesis / Marianela Gonzalez, Cesar A. Guerrero, Michael P. Ding -- Mandibular asymmetry: diagnosis and treatment considerations / Brian B. Farrell, Myron R. Tucker -- Mandibular asymmetry: condylar elongation/hypertrophy / Felice O'Ryan -- Mandibular asymmetry: temporomandibular joint degeneration / Larry M. Wolford.Cleft lip and palate: timing and approaches to reconstruction / Radhika Chigurupati -- Cleft lip and palate: nasoalveolar molding / Judah S. Garfinkle, Barry H. Grayson -- Cleft lip and palate: primary cleft lip repair / Bernard J. Costello, Ramon L. Ruiz -- Cleft lip and palate: primary cleft palate repair / Paul S. Tiwana, Matthew J. Madsen -- Cleft lip and palate: bone graft reconstruction of the cleft maxilla / Gregory J. Mackay -- Cleft lip and palate: orthognathic surgery / David S. Precious -- Cleft lip and palate: prosthetic rehabilitation in the growing cleft patient / Betsy K. Davis -- Nonsyndromic single suture craniosynostosis / Pat Ricalde -- Craniofacial dysostosis syndromes / Jeffrey C. Posnick, Ramon L. Ruiz, Paul S. Tiwana -- Pediatric head and neck tumors: benign lesions / Shelly Abramowicz, Bonnie L. Padwa -- Pediatric malignant tumors of the head and neck / Sean P. Edwards -- Surgical care of the hemifacial microsomia patient / Stanley Yung-Chuan Liu, Phoebe Good, Janice S. Lee -- Mandibular dysostosis / Timothy A. Turvey -- Pediatric cranio-maxillofacial trauma: mandibular fractures / Paul S. Tiwana, Aaron Vickers -- Pediatric mid-face fractures / Clement Qaqish, John F. Caccamese, Jr.Diagnosis and management of temporomandibular joint pain and masticatory dysfunction / Franklin M. Dolwick, Shelly Abramowicz, Shahrokh C. Bagheri -- Temporomandibular joint: hypermobility and ankylosis / Gary F. Bouloux -- Alloplastic temporomandibular joint reconstruction / Louis G. Mercuri -- Current therapy of the effects of juvenile idiopathic arthritis on the facial skeleton / Robert W.T. Myall, R. Bryan Bell.Initial assessment of the facial cosmetic surgery patients / Husain Ali Khan, Shahrokh C. Bagheri -- Current trends in rhinoplasty / Shahrokh C. Bagheri, Husain Ali Khan -- Revision rhinoplasty / Behnam Bohluli, Shahrokh C. Bagheri -- Forehead, eyebrow and upper eyelid lifting / Angelo Cuzalina, Tarek Victor Copty -- Micrografting and hair transplantation surgery / Barry H. Hendler, David C. Stanton -- Rhytidectomy (face-lifting) / Angelo Cuzalina, Tarek Victor Copty, Husain Ali Khan -- Blepharoplasty / Joseph D. Walrath, Brent R. Hayek, Ted Wojno -- Ablative facial resurfacing / Matthew R. Hlavacek -- Treatment of non-melanoma skin cancer / Jill M. Weber, Jonathan S. Bailey -- Evaluation and management of maxillofacial vascular lesions / Edward T. Lahey III, Leonard B. Kaban.Obstructive sleep apnea: evaluation and treatment planning / Reginald H.B. Goodday -- Obstructive sleep apnea: surgical treatment: Part I, UPPP, genioglossus advancement, hyoid suspension / Robert A. Strauss, Adam P. McCormick -- Obstructive sleep apnea: surgical treatment: part II, maxillomandibular advancement for adults / Jeffrey R. Prinsell -- Obstructive sleep apnea:surgical treatment: part III, mandibular advancement for children / Brinda Thimmappa, Stephen A. Schendel.Antimicrobial treatment of head and neck infections / Thomas R. Flynn -- Principles and surgical management of head and neck infections / Thomas R. Flynn -- Ludwig's angina / Sam E. Farish.Elsevie
Voices of Mexico
No full textIn recent decades, bilateral relations between Mexico and the United States have reached unprecedented depth and intensity. Meetings between both countries" heads of state are more and more frequent, and high-level groups of officials, academics and experts from both sides of the border have proliferated to study and própose fines of action about the different issues on the bilateral agenda. This may well be due to the recent processes of political modernization, economic globalization and stepped-up regional trade. Drug trafficking, the migration of Mexicans to the United States and regional trade in the framework of the North American Free Trade Agreement (NAFTA) have been the central items on the agenda. The fact, however, that they are not the only questions under consideration is shown by President Zedillo recent visit to his U.S. counterpart, a trip assessed in an article in this issue of Voices of Mexico. Some of the topics which are beginning to push to the fore are the protection of Mexican nationals in the United States; the extradition of individuals sought by law enforcement officials in both countries; the solution to trade, environmental or labor disputes in the framework of NAFTA; the establishment of maritime boundaries for territorial waters in the Gulf of Mexico; the fight against arms trafficking in the hemisphere; and respect for immigrants" human rights. All these questions must be discussed in the framework of respectful, productive bilateral relations. For this very reason, Voices of Mexico has decided to include in this issue a summary of the presentation made to the Senate by Mexico"s new ambassador to the United States, Jesús Reyes Heroles, on the occasion of the ratification of his appointment. The new Mexican diplomat expounds his view of the bilateral relationship as well as the Mexican government"s position on both the new and old points on the agenda. His interest in presenting a program that will include the creation of bilateral and multilateral mechanisms for solving problems, as well as the consolidation of already existing mechanisms, is clear. This objective is situated in the framework of the idea that the most productive way of moving forward is the recognition that the issues which affect one or more nations, like drug trafficking, immigration, international trade or human rights, require bilateral and multilateral solutions and that implementing unilateral measures, such as the U.S. certification process, will only hurt relations among countries without having proven their effectiveness. Undoubtedly, the two problems in Mexico-U.S. bilateral relations which have captured the attention of the press, the media and the public in both countries are illegal immigration of Mexican citizens into the United States and the fight against drug trafficking. This issue of the magazine has given over its "Society" section to two articles by Mexican experts on diese questions. Researcher Remedios Gómez Arnau explains the advances and conclusions of the document presented by the Working Group on Migration and Consular Affairs of the Bilateral Mexico-U.S. Commission. In this first Mexico-U.S. Study on Migration, perhaps the most significant step forward, according to Gómez Arnau, is the willingness on both parts to analyze the problem from the neutral perspective of the social sciences, in an attempt to obliterate its irremedia political content. In this sense, the author asks herself the question: Is conceptualization of the issue by both countries moving from understanding migration to cooperation? Silvia Vélez Quero, also a researcher at the UNAM Center for Research on North America (CISAN), analyzes the struggle against narcotics from a geostrategic perspective. Without disdaining the importance of the problem for the Americas, Vélez maintains that the U.S. strategy for fighting drugs has magnified it out of proportion in order to design mechanisms which guarantees U.S. military and economic geostrategic control over the nations of Latin America. This would explain not only the U.S. Congress insistence on continuing to "certify" other countries, but also the constant and sometimes excessive presence of the topic in the U.S. media. It may be that, as the article suggests, the United States has found the great new enemy it needs to replace communism. Another challenge of the era of globalization is the modernization of political systems and the resulting consolidation of democracies in the world. In the "Politics" section, we have included three articles dealing with the consolidation of democracy in Mexico. Carlos Elizondo shares his reflections on the dilemmas faced by the National Action Party (PAN) in the new context of Mexican politics. While the PAN is the opposition party with the longest and most profound tradition, its new-found strength and occupation of governor"s mansions and city halls in several states nationwide mean, on the one hand, it must subject itself to the judgement of the ballot box as a government and, on the other, reformulate its alliances in a scenario in which, according to Elizondo, almost any decision could be counterproductive. In his article, political scholar René Millán asks whether Mexican society will modernize and, with that as his starting point, analyzes recent political changes in the country in terms of processes of social differentiation. He maintains that it is only very recently that the role of the state has become differentiated from the characteristics of the nation, in a process in which the different components of the state (the three branches of government, political parties, social actors, etc.) have begun to situate themselves functionally and autonomously within the new institutions and rules of the game, as a result of the political transformations which have led to a more democratic system than the previous one. The question is whether diese changes can really be consolidated into institutions and laws that make them last. Finally, jurist Emilio O. Rabasa reviews the July 6, 1997 elections and the divided federal government that was their result (the president from one party and a Chamber of Deputies with an opposition majority). Rabasa warns of the consequences for governability that could arise from not adapting the Constitution to the new situation. Our "Economic Issues" section deals with a topic linked to globalization and economic integration. Alejandro Mercado Celis presents an analysis of the development of maquiladora plants on Mexico"s northern border. He specifically looks at the case of Tijuana and presents an interesting hypothesis about the role of specialization in industrial processes which, technological modernization aside, force companies to develop more sophisticated management systems in order to survive in increasingly competitive surroundings. "From time immemorial, the peoples of Mesoamerica were captivated by the heavens," write Jesús Galindo Trejo and Arcadio Poveda Ricalde in their article "Comets in Pre-Hispanic Mexico." Theirs is a profound, rigorous and well documented article about pre-Columbian cosmology, in which comets were interpreted by priest-astronomers as signs of catastrophe and devastation. Galindo and Poveda tell of comets observed by the peoples of Mesoamerica, particularly the Mexicas, and are so precise that, by comparing their records with those of other cultures, they are able to pinpoint sightings of the famous Halley"s Comet. "Science, Art and Culture" includes two contributions on the work of the young Mexican painter Alberto Castro Leriero. Luis Rius writes him a letter presenting a panorama of his painting and discussing some ideas about Mexican contemporary plastic arts. For his part, another critic, Juan Manuel Springer, describes the artist"s themes, the motivations and the contributions to the plastic arts by reviewing for our readers his mobile exhibition, "Inner Castle," which toured the United States and Canada. Both articles clearly show that Castro Leñero has become one of the most important young exponents of Mexican art because of his original approach to the theme that most obsesses him: the human body, concretely women"s bodies. His conceptual treatment of his topic is more related to the unconscious, which he dilutes in textures and colors and molds in unusual materials and formats, like the shape of a "T" or a cross, which fills his work with clearly Christian allusions. At the same time, his allusions to eroticism are also worth noting, not as a discourse but as an emotional, sensitive charge which manages to transmit to the viewer the idea that the desire for possession can also be visual, that it is possible to love with the eyes and not only with the touch. The section continues with an article about the celebration of Fourteenth Festival of Mexico City"s Historic Center in March 1998. The festival, similar to the ones in almost all of Europe"s ancient cities, will include artistic and cultural events from Mexico and abroad of outstanding quality and variety. Mexico City"s Historic Center is rich in architecture. In our "History" section, we have included an interesting article by historian Gisela von Wobeser about Mexico City housing and realty in the eighteenth century. She explains the way the inhabitants lived and their customs shortly before the end of New Spain"s colonial period. José Reyes Méndez also con-tributes an article about one of the buildings that most incorporate the history of Mexico, the Alhóndiga de Granaditas. In the city of Guanajuato in central Mexico, it was the scene of the first baffle during the independence movement of 1810. In "The Splendor of Mexico," we offer our readers an article by James Olsen about one of Mexico"s most widely recognized and original art forms: feather art from the Amanteca area, famous internationally for its craftsmen"s masterful, imaginative, colorful work with tropical bird feathers. One of the Mexican people"s most cherished, well preserved traditions is the fiesta of the Day of the Dead celebrated each year on November 1 and 2. Its typical altars and offerings are testimony to Mexicans" great ability to translate their emotions and beliefs into art. We therefore include in this issue an article about an altar to the dead erected in the National University to honor and express respect for that tradition. This year"s university offer-ing was dedicated to the state of Oaxaca and the Niño Pa (Child Pa), an image venerated for the last 400 years by the inhabitants of Xochimilco, in southern Mexico City. The section closes with the reproduction of the winning drawings in the contest sponsored by the Foreign Relations Ministry for children of Mexican descent, from 7 to 13 years of age, residing in the United States. The contest"s theme was "This Is My Mexico." The size of the response and the quality and imagination displayed in the children"s work were surprising, and Voices of Mexico decided to support it and its aim of fostering patriotic values beyond our borders. In this issue, "Museums" is dedicated to the La Bola House Museum, one of the few build-ings in Mexico which can boast of having preserved not only its original four-century-old struc-ture, but also the spirit of its residents through its furniture, art work and everyday items. Despite the march of time, they retain the pride passed down to them from their days of glory. The axolote is an animal of Mexico which has surprised natives and foreigners alike with its biological and nutritive properties, which have even been studied in the most important biology labs in the world. A survivor of the remote past, it has been kept as a pet in aquariums and attributed mystical and healing properties, among diem —according to the renowned historian of the colonial period, Friar Bernardino de Sahagán— that of being a very potent aphrodisiac. An article about the axolote by algar Anaya Rangel begins our "Ecology" section. Also in this section is an article by Sol Ortíz García and Daniel Piñero about Mexico"s enormous biodiversity, particularly the pine; as the authors say, the great variety of pines is a gift from Mexico to the world which should be preserved through rational and sustainable forest management. Rosario Castellanos is perhaps the most important and most widely recognized woman writer in twentieth century Mexican letters. Voices of Mexico pays homage to her here with the translation and publication of a chapter of the recent Alfaguara edition of her previously unpublished novel Rito de iniciación (Initiation Rite), 23 years alter her death. We hope in this way to bring the English-speaking public closer to one of the most profound and transcendental writers in the Spanish language
Measurement of the production ratio in collisions at the resonance using decays at Belle
No full textInternational audienceWe measure the ratio of branching fractions for the decays to and using and samples, where stands for ( or ), with fb of data collected at the resonance with the Belle detector. We find the decay rate ratio of over to be , which is the most precise measurement to date. The first and second uncertainties are statistical and systematic, respectively, and the third uncertainty is systematic due to the assumption of isospin symmetry in
Angular analysis of B→K*e+e- in the low-q2 region with new electron identification at Belle
No full textInternational audienceWe perform an angular analysis of the B→K*e+e- decay for the dielectron mass squared, q2, range of 0.0008–1.1200 GeV2/c4 using the full Belle dataset in the K*0→K+π- and K*+→KS0π+ channels, incorporating new methods of electron identification to improve the statistical power of the dataset. This analysis is sensitive to contributions from right-handed currents from physics beyond the Standard Model by constraining the Wilson coefficients C7(′). We perform a fit to the B→K*e+e- differential decay rate and measure the imaginary component of the transversality amplitude to be ATIm=-1.27±0.52±0.12, and the K* transverse asymmetry to be AT(2)=0.52±0.53±0.11, with FL and ATRe fixed to the Standard Model values. The resulting constraints on the value of C7′ are consistent with the Standard Model within a 2σ confidence interval
Measurement of the branching fractions for Cabibbo-suppressed decays and at Belle
No full textInternational audienceWe present measurements of the branching fractions for the singly Cabibbo-suppressed decays and , and the doubly Cabibbo-suppressed decay , based on 980 of data recorded by the Belle experiment at the KEKB collider. We measure these modes relative to the Cabibbo-favored modes and . Our results for the ratios of branching fractions are , , and , where the uncertainties are statistical and systematic, respectively. The second value corresponds to , where is the Cabibbo angle; this value is larger than other measured ratios of branching fractions for a doubly Cabibbo-suppressed charm decay to a Cabibbo-favored decay. Multiplying these results by world average values for and yields , , and , where the third uncertainty is due to the branching fraction of the normalization mode. The first two results are consistent with, but more precise than, the current world averages. The last result is the first measurement of this branching fraction
Evidence of the P_ccbars(4459)0 in Upsilon(1S, 2S) inclusive decays at Belle
No full textInternational audienceUsing data samples of 102 million Upsilon(1S) events and 158 million Upsilon(2S) events collected by the Belle detector at the KEKB asymmetric-energy collider, we search for [udsccbar] pentaquark states decaying to Jpsi Lambda. Using the first observations of Upsilon(1S, 2S) inclusive decays to Jpsi Lambda, we find evidence of the P_ccbars(4459)0 state with a significance of 3.3 standard deviations, including statistical and systematic uncertainties. We measure the mass and width of the Pccbars(4459)0 to be (4471.7 +- 4.8 +- 0.6) MeV/c2 and (21.9 +- 13.1 +- 2.7) MeV, respectively. The branching fractions for P_ccbars(4459)0 production are measured to be B[Upsilon(1S) -> P_ccbars(4459)0/ Pbar_ccbars(4459)0 + anything] = (3.5 +- 2.0 +- 0.2)*10-6 and B[Upsilin(2S) -> P_ccbars(4459)0/ Pbar_ccbars(4459)0 +anything] = (2.9 +- 1.7 +- 0.4)*10-6. The inclusive branching fractions of Upsilon(1S, 2S) -> Jpsi Lambda/Lambdabar are measured to be B[Upsilin(1S) -> Jpsi Lambda/Lambdabar + anything] = (36.9 +- 5.3 +- 2.4)*10-6 and B[Upsilon(2S) -> Jpsi Lambda/Lambdabar + anything] = (22.3 +- 5.7 +- 3.1)*10-6. We measure the visible cross section + anything) = (90 +- 14 +- 6) fb for the continuum production at GeV. In all cases, the first uncertainties are statistical and the second are systematic
Measurement of the branching fraction and -violating asymmetry of the decay using million bottom-antibottom meson pairs in Belle II data
No full textWe measure the branching fraction and -violating flavor-dependent rate asymmetry of decays reconstructed using the Belle II detector in an electron-positron collision sample containing pairs. Using an optimized event selection, we find signal decays in a fit to background-discriminating and flavor-sensitive distributions. The resulting branching fraction is and the -violating asymmetry is
Measurement of the CP asymmetry in decays at Belle II
No full textWe measure the CP asymmetry in decays reconstructed in collisions at the Belle II experiment using a data set corresponding to an integrated luminosity of 428 fb. A control sample of decays is used to correct for detection and production asymmetries. The result, , where the first uncertainty is statistical and the second systematic, is the most precise determination to date. It agrees with the prediction of CP symmetry from the standard model, and with results of previous measurements
Evidence of the P(4459) in Upsilon(1S, 2S) inclusive decays at Belle
No full textUsing data samples of 102 million Upsilon(1S) events and 158 million Upsilon(2S) events collected by the Belle detector at the KEKB asymmetric-energy collider, we search for [udsccbar] pentaquark states decaying to Jpsi Lambda. Using the first observations of Upsilon(1S, 2S) inclusive decays to Jpsi Lambda, we find evidence of the state with a significance of 3.3 standard deviations, including statistical and systematic uncertainties. We measure the mass and width of the to be (4471.7 +- 4.8 +- 0.6) MeV/c2 and (21.9 +- 13.1 +- 2.7) MeV, respectively. The branching fractions for production are measured to be B[Upsilon(1S) -> / Pbar_ccbars(4459)0 + anything] = (3.5 +- 2.0 +- 0.2)*10 and B[Upsilin(2S) -> / Pbar_ccbars(4459)0 +anything] = (2.9 +- 1.7 +- 0.4)*10. The inclusive branching fractions of Upsilon(1S, 2S) -> Jpsi Lambda/Lambdabar are measured to be B[Upsilin(1S) -> Jpsi Lambda/Lambdabar + anything] = (36.9 +- 5.3 +- 2.4)*10-6 and B[Upsilon(2S) -> Jpsi Lambda/Lambdabar + anything] = (22.3 +- 5.7 +- 3.1)*10-6. We measure the visible cross section + anything) = (90 +- 14 +- 6) fb for the continuum production at GeV. In all cases, the first uncertainties are statistical and the second are systematic
