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1. Unveiling the Molecular Links Between Atrial Fibrillation and Atherosclerosis: Insights into Shared Pathogenesis and Ferroptosis Diagnostic Biomarkers

Author: Xu B, Li H, Chen H, Teng D, Gong L, Zhong L, and Yang J
Subjects: atrial fibrillation, af, atherosclerosis, as, ferroptosis, csf1r, itgam, nupr1, Pathology, RB1-214, Therapeutics. Pharmacology, RM1-950
Abstract: Bowen Xu,1,2,&ast; Hongye Li,1,2,&ast; Hongping Chen,3 Da Teng,1,2 Lei Gong,2 Lin Zhong,2 Jun Yang2 1Qingdao Medical College of Qingdao University, Qingdao, Shandong, 266000, People’s Republic of China; 2Department of Cardiology, Yantai Yuhuangding Hospital, Yantai, Shandong, 264000, People’s Republic of China; 3Department of Cardiology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, 221000, People’s Republic of China&ast;These authors contributed equally to this workCorrespondence: Lin Zhong; Jun Yang, Email linzhongyhd1971@sina.com; yangjyhd@hotmail.comObjective: Atherosclerosis(AS) is a vascular disease characterized by the development of plaque in the arteries, and atrial fibrillation (AF) is a common heart arrhythmia. These two conditions share several risk factors in common, such as aging, diabetes, obesity, and hypertension. Ferroptosis is a new mode of non-apoptotic cell death that plays a key role in cardiomyocyte death and has been associated with a variety of cardiac diseases. This study aimed to investigate the ferroptosis biomarkers and underlying biological mechanisms associated with AF and AS.Materials and Methods: The gene expression dataset was obtained from GEO database, differentially expressed genes (DEGs) and ferroptosis expressed genes (FDGs) were obtained by data processing and screening, and then functional enrichment, network construction, transcription factor prediction, identification of biomarkers by LASSO and SVM - RFE algorithms, and also immune infiltration analyses and cellular experiments were performed.Results: In AF and AS, 1627 and 571 DEGs were identified respectively, and 128 were intersected, and 47 common FDGs were also identified. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis of DEGs revealed that they were associated with biological processes and pathways such as leukocyte immunity, and FDGs were also involved in specific functions and pathways. Fifteen key genes were identified, CSF1R and ITGAM expression differences were verified, and seven transcription factors were predicted to be differentially expressed. Characterized genes were screened to construct models with good diagnostic efficacy, and immune infiltration showed that NUPR1 was associated with altered immune environments, and WB indicated that NUPR1 was highly expressed in the disease model.Conclusion: Our study demonstrates that the ferroptosis gene NUPR1 plays a role in the pathogenesis of atrial fibrillation and atherosclerosis, and also provides valuable insights into their molecular mechanisms, which may contribute to the development of new targets and strategies for the treatment of these diseases.Keywords: atrial fibrillation, AF, atherosclerosis, AS, ferroptosis, CSF1R, ITGAM, NUPR1
Published: 2024

2. Identification of the Vulnerability of Atherosclerotic Plaques by a Photoacoustic/Ultrasonic Dual-Modal cRGD Nanomolecular Probe

Author: Yu C, Zhong L, Zhou Y, Jiang N, Chen J, and Cao S
Subjects: atherosclerosis, vulnerability, photoacoustic, ultrasound, low-intensity focused ultrasound, Medicine (General), R5-920
Abstract: Caigui Yu,1– 3,&ast; Lu Zhong,1– 3,&ast; Yanxiang Zhou,1– 3,&ast; Nan Jiang,1– 3 Jinling Chen,1– 3 Sheng Cao1– 3 1Department of Ultrasound Imaging, Renmin Hospital of Wuhan University, Wuhan, 430060, People’s Republic of China; 2Hubei Key Laboratory of Cardiology, Wuhan, 430060, People’s Republic of China; 3Cardiovascular Research Institute, Wuhan University, Wuhan, 430060, People’s Republic of China&ast;These authors contributed equally to this workCorrespondence: Jinling Chen; Sheng Cao, Department of Ultrasound Imaging, Renmin Hospital of Wuhan University, 238&num; Jiefang Road, Wuhan, 430060, People’s Republic of China, Email jenny2774@163.com; caosheng209@126.comObjective: To explore the feasibility of using cRGD-GNR-PFP-NPs to assess plaque vulnerability in an atherosclerotic plaque mouse model by dual-modal photoacoustic/ultrasonic imaging.Methods: A nanomolecular probe containing gold nanorods (GNRs) and perfluoropentane (PFP) coated with the cyclic Arg-Gly-Asp (cRGD) peptide were prepared by double emulsion solvent evaporation and carbodiimide methods. The morphology, particle size, potential, cRGD conjugation and absorption features of the nanomolecular probe were characterized, along with its in vitro phase transformation and photoacoustic/ultrasonic dual-modal imaging properties. In vivo fluorescence imaging was used to determine the distribution of cRGD-GNR-PFP-NPs in vivo in apolipoprotein E-deficient (ApoE−/−) atherosclerotic plaque model mice, the optimal imaging time was determined, and photoacoustic/ultrasonic dual-modal molecular imaging of integrin αvβ 3 expressed in atherosclerotic plaques was performed. Pathological assessments verified the imaging results in terms of integrin αvβ 3 expression and plaque vulnerability.Results: cRGD-GNR-PFP-NPs were spherical with an appropriate particle size (average of approximately 258.03± 6.75 nm), a uniform dispersion, and a potential of approximately − 9.36± 0.53 mV. The probe had a characteristic absorption peak at 780~790 nm, and the surface conjugation of the cRGD peptide reached 92.79%. cRGD-GNR-PFP-NPs were very stable in the non-excited state but very easily underwent phase transformation under low-intensity focused ultrasound (LIFU) and had excellent photoacoustic/ultrasonic dual-modal imaging capability. Mice fed a high-fat diet for 20 weeks had obvious hyperlipidemia with larger, more vulnerable plaques. These plaques could be specifically targeted by cRGD-GNR-PFP-NPs as determined by in vivo fluorescence imaging, and the enrichment of nanomolecular probe increased with the increasing of plaque vulnerability; the photoacoustic/ultrasound signals of the plaques in the high-fat group were stronger. The pathological assessments were in good agreement with the cRGD-GNR-PFP-NPs plaque accumulation, integrin αvβ 3 expression and plaque vulnerability results.Conclusion: A phase variant photoacoustic/ultrasonic dual-modal cRGD nanomolecular probe was successfully prepared and can be used to identify plaque vulnerability safely and effectively.Keywords: atherosclerosis, vulnerability, photoacoustic, ultrasound, low-intensity focused ultrasound
Published: 2024

3. Apigenin Attenuates Transverse Aortic Constriction-Induced Myocardial Hypertrophy: The Key Role of miR-185-5p/SREBP2-Mediated Autophagy

Author: Yan N, Wang X, Xu Z, Zhong L, and Yang J
Subjects: apigenin, autophagy, mir-185-5p, myocardial hypertrophy, srebp2, Therapeutics. Pharmacology, RM1-950
Abstract: Na Yan,1 Xianggui Wang,1 Zufang Xu,1 Linling Zhong,1 Jiangyong Yang2 1Department of Vasculocardiology, Ganzhou People’s Hospital, Ganzhou, People’s Republic of China; 2Department of Cardiology, Ganzhou Hospital of Guangdong Provincial People’s Hospital, Ganzhou Municipal Hospital, Ganzhou, People’s Republic of ChinaCorrespondence: Jiangyong Yang, Department of Cardiology, Ganzhou Hospital of Guangdong Provincial People’s Hospital, Ganzhou Municipal Hospital, No. 49, Dagong Road, Ganzhou, 341000, People’s Republic of China, Tel +86-797-8208553, Email yangjy19861208@163.comIntroduction: Apigenin is a natural flavonoid compound with promising potential for the attenuation of myocardial hypertrophy (MH). The compound can also modulate the expression of miR-185-5p that both promote MH and suppress autophagy. The current attempts to explain the anti-MH effect of apigenin by focusing on changes in miR-185-5p-mediated autophagy.Methods: Hypertrophic symptoms were induced in rats using transverse aortic constriction (TAC) method and in cardiomyocytes using Ang II and then handled with apigenin. Changes in myocardial function and structure and cell viability and surface area were measured. The role of miR-185-5p in the anti-MH function of apigenin was explored by detecting changes in autophagic processes and miR-185-5p/SREBP2 axis.Results: TAC surgery induced weight increase, structure destruction, and collagen deposition in hearts of model rats. Ang II suppresses cardiomyocyte viability and increased cell surface area. All these impairments were attenuated by apigenin and were associated with the restored level of autophagy. At the molecular level, the expression of miR-185-5p was up-regulated by TAC, while the expression of SREBP2 was down-regulated, which was reserved by apigenin both in vivo and in vitro. The induction of miR-185-5p in cardiomyocytes could counteracted the protective effects of apigenin.Discussion: Collectively, the findings outlined in the current study highlighted that apigenin showed anti-MH effects. The effects were related to the inhibition of miR-185-5p and activation of SREBP, which contributed to the increased autophagy.Keywords: apigenin, autophagy, miR-185-5p, myocardial hypertrophy, SREBP2
Published: 2024

4. Silencing Exosomal circ102927 Inhibits Foot Melanoma Metastasis via Regulating Invasiveness, Epithelial-Mesenchymal Transition and Apoptosis

Author: Wan H, Zhong L, Xia T, and Zhang D
Subjects: exosomal circrnas, circrna102927, foot metastatic melanoma, metastasis., Neoplasms. Tumors. Oncology. Including cancer and carcinogens, RC254-282
Abstract: Huiying Wan,1 Ling Zhong,1 Tian Xia,2 Dingding Zhang3 1Department of Dermatology, Sichuan Academy of Medical Sciences and Sichuan Provincial People’s Hospital, University of Electronic Science and Technology of China, Chengdu, People’s Republic of China; 2Department of Pathology, Air Force Hospital of Western Theater Command, Chengdu, People’s Republic of China; 3Sichuan Provincial Key Laboratory for Genetic Disease, Sichuan Academy of Medical Sciences and Sichuan Provincial People’s Hospital, University of Electronic Science and Technology of China, Chengdu, People’s Republic of ChinaCorrespondence: Tian Xia, Department of Pathology, Air Force Hospital of Western Theater Command, No. 1 Gongnongyuan Street, Jinjiang District, Chengdu City, Sichuan Province, 610031, People’s Republic of China, Tel +86-18030761839, Email yours_summer2023@126.com Dingding Zhang, Sichuan Provincial Key Laboratory for Genetic Disease, Sichuan Academy of Medical Sciences and Sichuan Provincial People’s Hospital, University of Electronic Science and Technology of China, No. 32 West Second Section of First Ring Road, Qingyang District, Chengdu City, Sichuan Province, 610072, People’s Republic of China, Tel +86-18981838863, Email zhangdd25@126.comBackground: Exosomes contain abundant circular RNAs (circRNAs), playing an important role in intercellular communication. However, the function and underlying molecular mechanism of exosomal circRNAs in foot metastatic melanoma remain unclear.Methods: Twelve differentially expressed exosomal circRNAs between patients with metastatic and primary foot melanoma were screened through high-throughput sequencing, and their expression levels were detected by the real-time reverse transcriptase-polymerase chain reaction (RT-qPCR). CircRNA102927 silencing and overexpression A2058 cell line was constructed, and the effects of circRNA102927 on cell proliferation, apoptosis, migration, invasion, and epithelial-mesenchymal transition (EMT) were assessed using cell counting kit-8 (CCK-8), flow cytometry, wound healing, Transwell, and Western blot assays, respectively.Results: Twelve differentially expressed exosomal circRNAs were screened and ROC curve showed that six circRNAs could be used as the diagnostic biomarkers for metastatic melanoma. Melanoma-secreted exosomes induced the differentiation of CD4+ T cells into Treg cells. CircRNA102927 was highly expressed in metastatic melanomas. Functionally, circRNA102927 silencing inhibited proliferation, EMT, migration, and invasion in metastatic melanoma cells, while promoting apoptosis. Meanwhile, overexpression of circRNA102927 had the opposite effects.Conclusion: Our investigation suggests that silencing exosomal circRNA102927 may suppress foot melanoma metastasis by inhibiting invasiveness, EMT and promoting apoptosis.Keywords: exosomal circRNAs, CircRNA102927, foot metastatic melanoma, metastasis
Published: 2024

5. Integrating Network Pharmacology, Transcriptomics to Reveal Neuroprotective of Curcumin Activate PI3K / AKT Pathway in Parkinson’s Disease

Author: Cai B, Wang Q, Zhong L, Liu F, Wang X, and Chen T
Subjects: parkinson’s disease, curcumin, network pharmacology, transcriptomics, pi3k / akt pathway, Therapeutics. Pharmacology, RM1-950
Abstract: Benchi Cai,&ast; Qitong Wang,&ast; Lifan Zhong, Fang Liu, Xinyu Wang, Tao Chen Hainan Affiliated Hospital of Hainan Medical University, Haikou, Hainan, 570311, People’s Republic of China&ast;These authors contributed equally to this workCorrespondence: Tao Chen, Email chentao@hnyxy15.wecom.workBackground: Parkinson’s disease (PD) is the most prevalent movement disorder. Curcumin, a polyphenol with hydrophobic properties, has been proved against Parkinson. Our previous study suggested that curcumin’s effectiveness in treating Parkinson’s disease may be linked to the gut-brain axis, although the specific mechanism by which curcumin exerts neuroprotective effects in the brain remains unknown.Methods: The therapeutic efficacy of curcumin was evaluated using behavioral tests, immunofluorescence of tyrosine hydroxylase (TH). Network pharmacology and transcriptomics predicted the mechanisms of curcumin in PD. Activation of the phosphatidylinositol 3-kinase PI3K/AKT pathway was confirmed by quantitative polymerase chain reaction (qPCR) and immunofluorescence.Results: Curcumin restored the dyskinesia and dopaminergic neurons damage of MPTP-induced mice. Curcumin against Parkinson’s disease by regulating inflammation, oxidative stress, and aging. The mechanisms of these were associated with activation of PI3K / AKT pathway.Conclusion: In conclusion, the neuroprotective mechanisms of curcumin activate PI3K / AKT pathway in Parkinson’s disease was revealed by our study.Keywords: Parkinson’s disease, curcumin, network pharmacology, transcriptomics, PI3K / AKT pathway
Published: 2024

6. Convergence of Adaptive Mixed Interior Penalty Discontinuous Galerkin Methods for H(curl)-Elliptic Problems

Author: Liu, K., Tang, M., Xing, X. Q., and Zhong, L. Q.
Subjects: Mathematics - Numerical Analysis
Abstract: In this paper, we study the convergence of adaptive mixed interior penalty discontinuous Galerkin method for H(curl)-elliptic problems. We first get the mixed model of H(curl)-elliptic problem by introducing a new intermediate variable. Then we discuss the continuous variational problem and discrete variational problem, which based on interior penalty discontinuous Galerkin approximation. Next, we construct the corresponding posteriori error indicator, and prove the contraction of the summation of the energy error and the scaled error indicator. At last, we confirm and illustrate the theoretical result through some numerical experiments.
Published: 2023

7. Shared Immune Associations Between COVID-19 and Inflammatory Bowel Disease: A Cross-Sectional Observational Study in Shanghai, China

Author: Li S, Zhang F, Lin R, Sun Q, Qu L, and Zhong L
Subjects: viral-induced inflammation, omicron infection, rna sequencing, gene expression in infection, inflammatory bowel disease, Pathology, RB1-214, Therapeutics. Pharmacology, RM1-950
Abstract: Shan Li,1,&ast; Fengdi Zhang,2,&ast; Ritian Lin,1 Qinjuan Sun,1 Lihong Qu,2 Lan Zhong1 1Department of Gastroenterology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, People’s Republic of China; 2Department of Infectious Diseases, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, People’s Republic of China&ast;These authors contributed equally to this workCorrespondence: Lan Zhong, Department of Gastroenterology, Shanghai East Hospital, Tongji University School of Medicine, 150, Jimo Road, Pudong New Area, Shanghai, 200120, People’s Republic of China, Email lanzhong@tongji.edu.cn Lihong Qu, Department of Infectious Diseases, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, People’s Republic of China, Email 18916510601@163.comPurpose: The rapid global spread of the SARS-CoV-2 Omicron variant introduces a novel complication: the emergence of IBD (inflammatory bowel disease)-like ulcers in certain patients. This research delves into this new challenge by juxtaposing the clinical manifestations and genetic expression patterns of individuals affected by the Omicron variant of COVID-19 with those diagnosed with IBD. It aims to decode the link between these conditions, potentially shedding light on previously unexplored facets of COVID-19 pathophysiology. This investigation emphasizes gene expression analysis as a key tool to identify wider disease correlations and innovative therapeutic avenues.Patients and Methods: From March to December 2022, patients with SARS-CoV-2 Omicron infection and inflammatory bowel disease and healthy controls were recruited in Shanghai East Hospital, Shanghai, China. The epidemiological and clinical characteristics of the patients were compared. Four RNA sequencing datasets (GSE205244, GSE201530, GSE174159, and GSE186507) were extracted from the Gene Expression Omnibus database to detect mutually differentially expressed genes and common pathways in patients with SARS-CoV-2 infection and inflammatory bowel disease.Results: Compared to patients with active inflammatory bowel disease, patients with SARS-CoV-2 infection were more likely to have elevated interferon-α levels and an increased lymphocyte count and less likely to have high interleukin-6, tumor necrosis factor-α, and C-reactive protein levels and an elevated neutrophil count. A total of 51 common differentially expressed genes were identified in the four RNA-sequencing datasets. Enrichment analysis suggested that these genes were related to inflammation and the immune response, especially the innate immune response and nucleotide oligomerization domain-like receptor signaling pathway.Conclusion: The inflammation and immune-response pathways in COVID-19 and inflammatory bowel disease have several similarities and some differences. The study identifies the NLR signaling pathway’s key role in both COVID-19 and IBD, suggesting its potential as a target for therapeutic intervention and vaccine development.Keywords: viral-induced inflammation, omicron infection, RNA sequencing, gene expression in infection, inflammatory bowel disease
Published: 2024

8. BRCA2, PALB2, RECQL4 Germline Pathogenic Variants, and Somatic TP53 Mutation in Triple Metachronous Malignancies: A Case Report and Literature Review

Author: Liu Y, Yang H, Fu X, Zhong L, Xu P, Fang F, Li Q, Yan Y, Wei S, Wang J, and Zhang C
Subjects: multiple primary cancer, endometrial cancer, ovarian cancer, breast cancer, genetic test, Medicine (General), R5-920
Abstract: Yang Liu,1,2,&ast; Hui Yang,1,2,&ast; Xueshu Fu,1,2 Luting Zhong,1,2 Ping Xu,1,2 Fang Fang,1,2 Ying Liu,1,2 Qing Li,1,2 Ya’nan Yan,1,2 Shanchuang Wei,1,2 Junqing Wang,1,2 Chunhua Zhang1– 3 1Department of Gynaecology, Affiliated Hospital of YangZhou University Huai ‘an Maternal and Child Health Care Center, Huai’an, Jiangsu, People’s Republic of China; 2Department of Gynaecology, The Huai’an Maternity and Child Clinical College of Xuzhou Medical University, Huai’an, Jiangsu, People’s Republic of China; 3Department of Integrated Traditional Chinese & Western Clinical Medicine, Macau University of Science and Technology, Macau, People’s Republic of China&ast;These authors contributed equally to this workCorrespondence: Chunhua Zhang, Department of Gynaecology, The Huai’an Maternity and Child Clinical College of Xuzhou Medical University, Huai’an, Jiangsu, People’s Republic of China, Tel +86-13952326117, Email hafyzch@126.comBackground: Multiple primary cancer (MPC) refers to the presence of more than one cancer in an individual. Triple primary malignancies are uncommon.Case: We report the case of a 50-year-old postmenopausal woman in our gynecology department, diagnosed with endometrial cancer, ovarian cancer, and unilateral breast cancer. She carried germline mutations in BRCA2, PALB2, and RECQL4, along with a somatic pathogenic variant in TP53. Endometrial cancer patients harboring germline pathogenic variants in BRCA2 exhibit a heightened risk of ovarian and breast cancer. BRCA2 is known to play a role in the development of ovarian and breast cancer, while PALB2 is identified as a gene associated with breast cancer susceptibility. RECQL4 has been linked to breast cancer, cervical cancer, and other tumors.Conclusion: Genetic testing may be imperative for identifying MPC in endometrial cancer patients. For individuals with BRCA2 and other gene pathogenic variants, routine examination and monitoring of the endometrium, ovaries, breasts, and other sites prone to polygenic cancer are recommended.Keywords: multiple primary cancer, endometrial cancer, ovarian cancer, breast cancer, genetic test
Published: 2024

9. Pharmacological Prescribing and Satisfaction with Pain Treatment Among Non-Hispanic Black Men with Chronic Pain

Author: Oloruntoba O, Bergeron CD, Zhong L, Merianos AL, Sherman LD, Kew CL, Goidel RK, and Smith ML
Subjects: chronic pain, african american, non-hispanic black, men, prescription drugs, opioids, treatment satisfaction, Medicine (General), R5-920
Abstract: Oluyomi Oloruntoba,1 Caroline D Bergeron,2 Lixian Zhong,3 Ashley L Merianos,4 Ledric D Sherman,5,6 Chung Lin Kew,5 R Kirby Goidel,7 Matthew Lee Smith5,6,8 1Department of Environmental and Occupational Health, School of Public Health, Texas A&M University, College Station, TX, USA; 2LIFE Research Institute, University of Ottawa, Ottawa, ON, Canada; 3Department of Pharmaceutical Sciences, Rangel School of Pharmacy, Texas A&M University, College Station, TX, USA; 4School of Human Services, University of Cincinnati, Cincinnati, OH, USA; 5Department of Health Behavior, School of Public Health, Texas A&M University, College Station, TX, USA; 6Center for Health Equity and Evaluation Research, Texas A&M University, College Station, TX, USA; 7Public Policy Research Institute, Texas A&M University, College Station, TX, USA; 8Center for Community Health and Aging, Texas A&M University, College Station, TX, USACorrespondence: Matthew Lee Smith, Email matthew.smith@tamu.eduIntroduction: Pharmacological strategies are often central to chronic pain management; however, pain treatment among non-Hispanic Black men may differ because of their disease profiles and healthcare interactions. However, less is known about pain medication prescribing and patients’ satisfaction with pain treatment and management among non-Hispanic Black men with self-reported chronic pain.Purpose: This study assessed factors associated with non-Hispanic Black men being prescribed/recommended narcotics/opioids for chronic pain and their satisfaction with pain treatment/management.Methods: Data were analyzed from 286 non-Hispanic Black men with chronic pain who completed an internet-delivered questionnaire. Participants were recruited nationwide using a Qualtrics web-based panel. Logistic regression was used to identify factors associated with being prescribed/recommended narcotics/opioids for pain management treatment. Then, ordinary least squares regression was used to identify factors associated with their satisfaction level with the pain treatment/management received.Results: On average, participants were 56.2 years old and 48.3% were prescribed/recommended narcotics/opioids for chronic pain. Men with more chronic conditions (Odds Ratio [OR] = 0.57, P = 0.043) and depression/anxiety disorders (OR = 0.53, P = 0.029) were less likely to be prescribed/recommended narcotics/opioids. Men who were more educated (OR = 2.09, P = 0.044), reported more frequent chronic pain (OR = 1.28, P = 0.007), and were allowed to participate more in decisions about their pain treatment/management (OR = 1.11, P = 0.029) were more likely to be prescribed/recommended narcotics/opioids. On average, men with more frequent chronic pain (B = − 0.25, P = 0.015) and pain problems (B = − 0.16, P = 0.009) were less satisfied with their pain treatment/management. Men who were allowed to participate more in decisions about their pain treatment/management reported higher satisfaction with their pain treatment/management (B = 0.55, P < 0.001).Conclusion: Playing an active role in pain management can improve non-Hispanic Black men’s satisfaction with pain treatment/management. This study illustrates the importance of patient-centered approaches and inclusive patient-provider interactions to improve chronic pain management.Keywords: chronic pain, African American, non-Hispanic Black, men, prescription drugs, opioids, treatment satisfaction
Published: 2024

10. Defect analysis of 1-MeV electron irradiated flexible InGaAs solar cells by deep-level transient spectroscopy and photoluminescence

Author: Wang, Z.X., Liu, M.Q., Wang, T.B., Zhang, S.Y., Li, M., Tang, G.H., Zhuang, Y., Yang, X., Zhong, L., and Aierken, A.
Published: 2024
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11. Renzhu Ointment Regulates L-Type Voltage-Dependent Calcium Channel in Mice Model of Senna-Induced Diarrhea by Transdermal Administration

Author: Zhong L, Cao X, Li L, He Y, Liu Y, Chen W, Yang F, Xiao N, Zhang J, and He H
Subjects: renzhu ointment, transdermal administration, antidiarrheal effect, antidiarrheal mechanisms, Therapeutics. Pharmacology, RM1-950
Abstract: Lian Zhong,1,&ast; Xiaoyu Cao,2,&ast; Li Li,1 Yuanyuan He,1 Yanxia Liu,1 Weiwei Chen,1 Fuzhen Yang,1 Ni Xiao,1 Jun Zhang,1 Huifen He3 1School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, People’s Republic of China; 2School of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou, 510006, People’s Republic of China; 3The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, 510405, People’s Republic of China&ast;These authors contributed equally to this workCorrespondence: Huifen He, The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, 510006, People’s Republic of China, Tel +86-15920174486, Email 15920174486@163.com Jun Zhang, School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, People’s Republic of China, Tel +86-020-39356997, Email zhangjun@gzucm.edu.cnPurpose: In China, herbal preparation is commonly administered transdermally for treating pediatric diarrhea. However, few studies have probed into their antidiarrheal mechanisms. This study was designed to investigate the antidiarrheal effect of Renzhu ointment (Renzhuqigao, RZQG) and its underlying mechanisms via transdermal administration.Methods: The main components of RZQG were confirmed by gas chromatography-mass spectrometry (GC-MS). The effect of RZQG on L-type voltage-dependent calcium channel (L-VDCC) was evaluated by CaCl2- and ACh-induced contraction in isolated colon. The antidiarrheal efficacy of RZQG was further investigated by the senna-induced diarrhea mice based on the frequency of loose stools, diarrhea rate and index, fecal moisture content, and the basal tension of the colon. Additionally, the protein expression of CACNA1C, CACNA1D, cAMP, and PKA were detected with Western blot and immunohistochemistry (IHC).Results: GC-MS analysis determined 14 components in RZQG. In vitro, RZQG relaxed the CaCl2- and ACh-induced tension, while nifedipine (a L-VDCC inhibitor) and H-89 (a PKA inhibitor) decreased the relaxation. In vivo, animal model showed that transdermal administration of RZQG exhibited a significant reduction in the frequency of loose stools, diarrhea rate and index, fecal moisture content and the basal tension. Compared to the model group, the colon of mice treated with RZQG showed lower expression of CACNA1C, CACNA1D, cAMP, and PKA. IHC results showed that cAMP was downregulated in colonic smooth muscle after RZQG treatment.Conclusion: RZQG improved diarrhea symptoms and down-regulated the expression of CACNA1C and CACNA1D via transdermal administration, which is closely associated with the cAMP/PKA signaling pathway in colonic smooth muscle.Keywords: Renzhu ointment, transdermal administration, antidiarrheal effect, antidiarrheal mechanisms
Published: 2023

12. An improved analysis framework for axion dark matter searches

Author: Palken, D. A., Brubaker, B. M., Malnou, M., Kenany, S. Al, Backes, K. M., Cahn, S. B., Gurevich, Y. V., Lamoreaux, S. K., Lewis, S. M., Maruyama, R. H., Rapidis, N. M., Root, J. R., Simanovskaia, M., Shokair, T. M., Singh, Sukhman, Speller, D. H., Urdinaran, I., van Bibber, K., Zhong, L., and Lehnert, K. W.
Subjects: Astrophysics - Instrumentation and Methods for Astrophysics, High Energy Physics - Experiment, Physics - Data Analysis, Statistics and Probability
Abstract: In experiments searching for axionic dark matter, the use of the standard threshold-based data analysis discards valuable information. We present a Bayesian analysis framework that builds on an existing processing protocol to extract more information from the data of coherent axion detectors such as operating haloscopes. The analysis avoids logical subtleties that accompany the standard analysis framework and enables greater experimental flexibility on future data runs. Performing this analysis on the existing data from the HAYSTAC experiment, we find improved constraints on the axion-photon coupling $g_\gamma$ while also identifying the most promising regions of parameter space within the $23.15$--$24.0$ $\mu$eV mass range. A comparison with the standard threshold analysis suggests a $36\%$ improvement in scan rate from our analysis, demonstrating the utility of this framework for future axion haloscope analyses., Comment: 22 pages, 5 figures
Published: 2020
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13. Tofacitinib for the Treatment of Psoriasiform Dermatitis Caused by IL-17 Inhibitors: A Case Report

Author: Luo N, Zhong L, Wang Q, Li T, and Hao P
Subjects: tofacitinib, janus kinase inhibitor, psoriasiform dermatitis, th1-th2 balance, il-17 inhibitors., Pathology, RB1-214, Therapeutics. Pharmacology, RM1-950
Abstract: Nan Luo, Lingyuan Zhong, Nana Luo, Qiuyue Wang, Tianhao Li, Pingsheng Hao Department of Dermatology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, People’s Republic of ChinaCorrespondence: Pingsheng Hao; Tianhao Li, Department of Dermatology, Hospital of Chengdu University of Traditional Chinese Medicine, No. 39 Shi-er-qiao Road, Chengdu, Sichuan, 610075, People’s Republic of China, Tel +86-13881965024 ; +86-13880986337, Fax +86-28-87732407, Email hpswl@126.com; litianhao_doctor@163.comAbstract: Psoriasis is a recurring systemic disease that can be treated with biologics to some effect. However, precisely targeting inflammatory mediators may disrupt immune system homeostasis and lead to new conditions. Here, we report a case of psoriasiform dermatitis (PsoD) caused by IL-17 inhibitors (IL-17i) namely secukinumab treatment for psoriasis. This case proposes an effective use of Janus kinase inhibitor (JAKi) tofacitinib to confront lesions induced by IL-17i. This is the first case report of PsoD caused by secukinumab treated with tofacitinib.Keywords: tofacitinib, Janus kinase inhibitor, psoriasiform dermatitis, Th1-Th2 balance, IL-17 inhibitors
Published: 2023

14. Resistance to PARP Inhibitors After First-Line Platinum-Based Chemotherapy in a Patient with Advanced Ovarian Cancer with a Pathogenic Somatic BRCA1 Mutation

Author: Zhong L, Yin R, and Song L
Subjects: parpi resistance, brca1 mutation, ovarian carcinoma, circulating tumor dna, sequencing, Therapeutics. Pharmacology, RM1-950
Abstract: Lan Zhong,1,2 Rutie Yin,1,2 Liang Song1,2 1Department of Obstetrics and Gynecology, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, 610041, People’s Republic of China; 2Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu, Sichuan, 610041, People’s Republic of ChinaCorrespondence: Liang Song, Department of Obstetrics and Gynecology, West China Second University Hospital of Sichuan University, No. 20 The Third Section of South Renmin Road, Chengdu, Sichuan, 610041, People’s Republic of China, Tel +86-19828966121, Email dr_songliang@163.comAbstract: PARP inhibitors (PARPi) are the maintenance therapy after first line platinum-based chemotherapy for patients with advanced epithelial ovarian cancer (EOC) with germline and pathogenic somatic BRCA1/2 mutations. However, as with chemotherapy, patients can develop resistance to PARPi. The selective pressure generated by heterogeneous somatic BRCA mutations may give rise to chemotherapy or PARPi resistant tumors. Here, we present the case of a patient harboring a pathogenic p.Glu143&ast; (c.427G>T) somatic BRCA1 mutation conferring resistance to olaparib following cytoreductive surgery and platinum-based chemotherapy. We ordered a plasma ctDNA analysis (tissue biopsy of recurrent lesions was contraindicated due to their anatomical location) to figure out the possible resistance mechanism. Analysis of ctDNA did not detect the pathogenic somatic BRCA1 p.Glu143&ast; (c.427G>T) mutation seen before. The tumor cells harboring the pathogenic BRCA1 mutation were probably eliminated by the platinum-based chemotherapy, leaving only those without BRCA mutations to proliferate.Keywords: PARPi resistance, BRCA1 mutation, ovarian carcinoma, circulating tumor DNA, sequencing
Published: 2023

15. Pneumonitis After Concurrent Chemoradiation and Immune Checkpoint Inhibition in Patients with Locally Advanced Non-small Cell Lung Cancer

Author: Altan, M., Soto, F., Xu, T., Wilson, N., Franco-Vega, M.C., Simbaqueba Clavijo, C.A., Shannon, V.R., Faiz, S.A., Gandhi, S., Lin, S.H., Lopez, P., Zhong, L., Akhmedzhanov, F., Godoy, M.C.B., Shroff, G.S., Wu, J., Khawaja, F., Kim, S.T., Naing, A., Heymach, J.V., Daniel-Macdougall, C., Liao, Z., and Sheshadri, A.
Published: 2023
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16. Utility of Serial Patient Reported Outcomes Measurement Information System (PROMIS®) Physical Function Assessment in a Geriatrics Outpatient Clinic

Author: Newmeyer, Natalie, Zhong, L., Cheslock, M., Sison, S. D. M., Raman, V., Whyman, J. D., and Kim, D. H.
Published: 2023
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17. Predicting the Risk of Incorrect Inhalation Technique in Patients with Chronic Airway Diseases by a New Predictive Nomogram

Author: Chen S, Peng Y, Shen B, Zhong L, Wu Z, Zheng J, and Gao Y
Subjects: inhalation technique, incorrect, chronic airway disease, nomogram, predictors, Immunologic diseases. Allergy, RC581-607
Abstract: Shubing Chen,&ast; Yongyi Peng,&ast; Beilan Shen, Liping Zhong, Zhongping Wu, Jinping Zheng, Yi Gao State Key Laboratory of Respiratory Disease, National Center for Respiratory Medicine, First Affiliated Hospital of Guangzhou Medical University, Guangzhou, People’s Republic of China&ast;These authors contributed equally to this workCorrespondence: Yi Gao; Jinping Zheng, Email misstall2@163.com; jpzhenggy@163.comPurpose: To develop and internally validate a nomogram for predicting the risk of incorrect inhalation techniques in patients with chronic airway diseases.Methods: A total of 206 patients with chronic airway diseases treated with inhaled medications were recruited in this study. Patients were divided into correct (n=129) and incorrect (n=77) cohorts based on their mastery of inhalation devices, which were assessed by medical professionals. Data were collected on the basis of questionnaires and medical records. The least absolute shrinkage and selection operator method (LASSO) and multivariate logistic regression analyses were conducted to identify the risk factors of incorrect inhalation techniques. Then, calibration curve, Harrell’s C-index, area under the receiver operating characteristic curve (AUC), decision curve analysis (DCA) and bootstrapping validation were applied to assess the apparent performance, clinical validity and internal validation of the predicting model, respectively.Results: Seven risk factors including age, education level, drug cognition, self-evaluation of curative effect, inhalation device use instruction before treatment, post-instruction evaluation and evaluation at return visit were finally determined as the predictors of the nomogram prediction model. The ROC curve obtained by this model showed that the AUC was 0.814, with a sensitivity of 0.78 and specificity of 0.75. In addition, the C-index was 0.814, with a Z value of 10.31 (P< 0.001). It was confirmed to be 0.783 by bootstrapping validation, indicating that the model had good discrimination and calibration. Furthermore, analysis of DCA showed that the nomogram had good clinical validity.Conclusion: The application of the developed nomogram to predict the risk of incorrect inhalation techniques during follow-up visits is feasible.Keywords: inhalation technique, incorrect, chronic airway disease, nomogram, predictors
Published: 2023

18. Anti-Inflammatory Activation of Phellodendri Chinensis Cortex is Mediated by Berberine Erythrocytes Self-Assembly Targeted Delivery System

Author: Li M, Qin Z, Yu Q, Huang Z, Cheng J, Zhong L, Liu Y, Xie J, Li Y, Chen J, Zhan R, and Su Z
Subjects: erythrocytes, phellodendri chinensis cortex, transformation, berberine, anti-inflammation, Therapeutics. Pharmacology, RM1-950
Abstract: Minhua Li,1,&ast; Zehui Qin,1,&ast; Qiuxia Yu,2 Ziwei Huang,3 Juanjuan Cheng,1 Linjiang Zhong,1 Yuhong Liu,1 Jianhui Xie,4– 6 Yucui Li,1 Jiannan Chen,1 Ruoting Zhan,1 Ziren Su1 1School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, People’s Republic of China; 2The Second Clinical College of Guangzhou University of Chinese Medicine, Guangzhou, 510120, People’s Republic of China; 3The First Affiliated Hospital of Chinese Medicine Guangzhou University of Chinese Medicine, Guangzhou, 510120, People’s Republic of China; 4The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510120, People’s Republic of China; 5State Key Laboratory of Dampness Syndrome of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510120, People’s Republic of China; 6Guangdong Provincial Key Laboratory of Clinical Research on Traditional Chinese Medicine Syndrome, Guangzhou, 510120, People’s Republic of China&ast;These authors contributed equally to this workCorrespondence: Ruoting Zhan; Ziren Su, School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, no. 232, Waihuandong Road, Guangzhou Higher Education Mega Center, Guangzhou, 510006, People’s Republic of China, Email zhanrt@gzucm.edu.cn; suziren@gzucm.edu.cnBackground: Berberine (BBR) is the primary active component of Phellodendri Chinensis Cortex (PCC), which has been traditionally used to treat inflammatory diseases. However, the discrepancy between its low bioavailability and significant therapeutic effect remains obscure. The purpose of this study was to explore the previously unsolved enigma of the low bioavailability of BBR and its appreciable anti-inflammatory effect to reveal the action mechanism of BBR and PCC.Methods: The quantitative analysis of BBR and its metabolite oxyberberine (OBB) in blood and tissues was performed using high-performance liquid chromatography to investigate the conversion and distribution of BBR/OBB mediated by erythrocytes. Routine blood tests and immunohistochemical staining were used to explore the potential relationship between the amounts of monocyte/macrophage and the drug concentration in erythrocytes and tissues (liver, heart, spleen, lung, kidney, intestine, muscle, brain and pancreas). To comparatively explore the anti-inflammatory effects of BBR and OBB, the acetic acid-induced vascular permeability mice model and lipopolysaccharide-induced RAW 264.7 macrophages were employed.Results: Nearly 92% of BBR existed in the erythrocytes in rats. The partition coefficient of BBR between plasma and erythrocytes (Kp/b) decreased with time. OBB was found to be the oxidative metabolite of BBR in erythrocytes. Proportion of BBR/OBB in erythrocytes changed from 9.38% to 16.30% and from 13.50% to 46.24%, respectively. There was a significant relationship between the BBR/OBB concentration in blood and monocyte depletion after a single administration of BBR. BBR/OBB was transported via erythrocytes to various tissues (liver, kidney, spleen, lung, and heart, etc), with the liver achieving the highest concentration. OBB exhibited similar anti-inflammatory effect in vitro and in vivo as BBR with much smaller dosage.Conclusion: BBR was prodominantly found in erythrocytes, which was critically participated in the biodistribution, pharmacokinetics, metabolism and target delivery of BBR and its metabolite. The anti-inflammatory activity of BBR and PCC was intimately associated with the metabolism into the active congener OBB and the targeted delivery to monocytes/macrophages mediated by the erythrocytes.Graphical Abstract: Keywords: erythrocytes, Phellodendri Chinensis Cortex, transformation, berberine, anti-inflammation
Published: 2022

19. Performance of the Human Papillomavirus E6/E7 mRNA Assay in the Primary Screening of Cervical Cancer: Opportunistic Screening in Fujian, China

Author: Zhuang L, Weng X, Wang L, Xie X, Zhong L, Liu D, and Xiu Y
Subjects: cervical cancer, hr-hpv, e6/e7 mrna, primary screening, cervical intraepithelial neoplasia, Gynecology and obstetrics, RG1-991
Abstract: Lijuan Zhuang &ast;, Xiulan Weng &ast;, Lihua Wang, Xiaoyan Xie, Liying Zhong, Dabin Liu, Yingling Xiu Department of Obstetrics and Gynecology, Fujian Maternity and Child Health Hospital, College of Clinical Medicine for Obstetrics & Gynecology and Pediatrics, Fujian Medical University, Fuzhou, People’s Republic of China&ast;These authors contributed equally to this workCorrespondence: Yingling Xiu; Dabin Liu, Department of Obstetrics and Gynecology, Fujian Maternity and Child Health Hospital, College of Clinical Medicine for Obstetrics & Gynecology and Pediatrics, Fujian Medical University, 18 Daoshan Road, Fuzhou, People’s Republic of China, Tel +86-13860610354 ; +86-13489997701, Fax +86-591-87551247, Email xiuyingling@fjmu.edu.cn; xiuyingling1985@163.com; 15968250@qq.comPurpose: A high-risk human papillomavirus E6/E7 mRNA (HR-HPV mRNA) assay is widely used in cervical cancer screening in China. However, it is still unclear whether stand-alone HR-HPV mRNA testing is sufficient for primary screening. The purpose of this study was to investigate the feasibility of a stand-alone HR-HPV mRNA assay for primary screening of cervical cancer.Methods: Women aged 21 and older were recruited in Fujian Province, China, from January 2020 to January 2022. Cervical exfoliated cells were collected for cervical cytology and HR-HPV mRNA assays, and women with positive results on either assay were referred for colposcopy. The screening effectiveness of the assay was calculated based on the cervical histology. When comparing the efficacy of the different screening strategies, only women aged 25 and older were included.Results: A total of 9927 women were recruited. This study identified 217 cases of high-grade squamous intraepithelial disease or worse (HSIL+). The overall age-specific HR-HPV infection rate showed a U-shaped distribution. The sensitivity of the HR-HPV mRNA assay to identify CIN2+ and CIN3+ was 97.2% and 97.9%, respectively, which was significantly higher than that of cytology (82.9% and 88.6%, P< 0.001 and 0.002). The sensitivity of the HR-HPV mRNA primary screening strategy to identify CIN2+ and CIN3+ was 92.2% and 94.3%, respectively, which was similar to the co-testing strategy (P=0.336 and 0.394) and higher than the cytology primary screening (P=0.002 and 0.048). In addition, the HR-HPV primary screening strategy had a lower referral rate for colposcopy than cytology primary screening (5.4% vs 6.6%, P< 0.001), and the screening cost was lower than co-testing (&dollar;29,594.3 per 1000 screened women vs &dollar;55,140 per 1000 screened women, P< 0.001).Conclusion: In conclusion, the detection of CIN2+/CIN3+ by HR-HPV mRNA is both specific and sensitive. It may be suitable for primary screening of cervical cancer in China.Keywords: cervical cancer, HR-HPV, E6/E7 mRNA, primary screening, cervical intraepithelial neoplasia
Published: 2022

20. Cutaneous Metastasis from Lung Adenocarcinoma

Author: Zhong L, Mao D, Li H, Chen X, Jin J, and Wen G
Subjects: cutaneous metastases, lung cancer, adenocarcinoma, immunohistochemistry, case report, Dermatology, RL1-803
Abstract: Lingzhi Zhong, Dandan Mao, Houmin Li, Xue Chen, Jiang Jin, Guangdong Wen Department of Dermatology, Peking University People’s Hospital, Beijing, People’s Republic of ChinaCorrespondence: Guangdong Wen, Peking University People’s Hospital, No. 11 Xizhimen South Street, Xicheng District, Beijing, People’s Republic of China, Tel +86-10-88325472, Email 163vip2008@163.comAbstract: Cutaneous metastases are rare and often portend the aggressive malignancy and poor prognosis. We report a case of a 62-year-old man with a rapidly growing nodule on the left back for 2 months. The patient was diagnosed with lung adenocarcinoma shortly before the skin lesion presented. Physical examination showed a dome-shaped purplish red nodule, with ulceration and hemorrhagic crust. Excision of the skin lesion was performed, and the histopathology showed tumor cells infiltrate with immunohistochemistry (TTF-1+CK7+CD20–) favoring primary lung adenocarcinoma.Keywords: cutaneous metastases, lung cancer, adenocarcinoma, immunohistochemistry, case report
Published: 2022

21. Results from phase 1 of the HAYSTAC microwave cavity axion experiment

Author: Zhong, L., Kenany, S. Al, Backes, K. M., Brubaker, B. M., Cahn, S. B., Carosi, G., Gurevich, Y. V., Kindel, W. F., Lamoreaux, S. K., Lehnert, K. W., Lewis, S. M., Malnou, M., Maruyama, R. H., Palken, D. A., Rapidis, N. M., Root, J. R., Simanovskaia, M., Shokair, T. M., Speller, D. H., Urdinaran, I., and van Bibber, K. A.
Subjects: High Energy Physics - Experiment, Physics - Instrumentation and Detectors
Abstract: We report on the results from a search for dark matter axions with the HAYSTAC experiment using a microwave cavity detector at frequencies between 5.6-5.8$\, \rm Ghz$. We exclude axion models with two photon coupling $g_{a\gamma\gamma}\,\gtrsim\,2\times10^{-14}\,\rm GeV^{-1}$, a factor of 2.7 above the benchmark KSVZ model over the mass range 23.15$\,<\,$$m_a \,$<$\,$24.0$\,\mu\rm eV$. This doubles the range reported in our previous paper. We achieve a near-quantum-limited sensitivity by operating at a temperature $T
Published: 2018
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22. Targeting Indoleamine Dioxygenase and Tryptophan Dioxygenase in Cancer Immunotherapy: Clinical Progress and Challenges

Author: Peng X, Zhao Z, Liu L, Bai L, Tong R, Yang H, and Zhong L
Subjects: indoleamine 2, 3-dioxygenase, tryptophan-2, tryptophan metabolism, cancer immunotherapy, immune tolerance, Therapeutics. Pharmacology, RM1-950
Abstract: Xuerun Peng,1,&ast; Zhipeng Zhao,1,&ast; Liwen Liu,2 Lan Bai,1 Rongsheng Tong,1 Hao Yang,3 Lei Zhong1 1Department of Pharmacy, Personalized Drug Therapy Key Laboratory of Sichuan Province, Sichuan Provincial People’s Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610072, People’s Republic of China; 2Department of Obstetrics and Gynecology, Fengrun District People’s Hospital, Tangshan, Hebei, 063000, People’s Republic of China; 3POWERCHINA Chengdu Engineering Corporation Limited, Chengdu, Sichuan, 610072, People’s Republic of China&ast;These authors contributed equally to this workCorrespondence: Lei Zhong, Department of Pharmacy, Personalized Drug Therapy Key Laboratory of Sichuan Province, Sichuan Provincial People’s Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610072, People’s Republic of China, Email zhl7235301@163.com Hao Yang, POWERCHINA Chengdu Engineering Corporation Limited, Chengdu, 610072, Sichuan, People’s Republic of China, Email yanghao@chidi.com.cnAbstract: Indoleamine 2.3-dioxygenases (IDO1/2) and tryptophan 2.3-dioxygenase (TDO) are the initial and rate-limiting enzymes in tryptophan metabolism, which play an essential role in mediating immunosuppression in tumor microenvironment. Accumulating evidence has indicated that both IDO1 and TDO are highly expressed in many malignant tumors, and their expression is generally associated with reduced tumor-infiltrating immune cells, increased regulatory T-cell infiltration, as well as cancer progression and poor prognosis for malignancies. A large number of IDO1 and TDO inhibitors have been screened or synthesized in the last two decades. Thus far, at least 12 antagonists targeting IDO1 and TDO have advanced to clinical trials. In this account, we conducted a comprehensive review of the development of IDO1 and TDO inhibitors in cancer immunotherapy, particularly their clinical research progress, and presented the current challenges and corresponding solutions.Keywords: indoleamine 2, 3-dioxygenase, tryptophan-2, 3-dioxygenase, tryptophan metabolism, cancer immunotherapy, immune tolerance
Published: 2022

23. The HAYSTAC Axion Search Analysis Procedure

Author: Brubaker, B. M., Zhong, L., Lamoreaux, S. K., Lehnert, K. W., and van Bibber, K. A.
Subjects: Astrophysics - Instrumentation and Methods for Astrophysics, High Energy Physics - Experiment
Abstract: We describe in detail the analysis procedure used to derive the first limits from the Haloscope at Yale Sensitive to Axion CDM (HAYSTAC), a microwave cavity search for cold dark matter (CDM) axions with masses above $20\ \mu\text{eV}$. We have introduced several significant innovations to the axion search analysis pioneered by the Axion Dark Matter eXperiment (ADMX), including optimal filtering of the individual power spectra that constitute the axion search dataset and a consistent maximum likelihood procedure for combining and rebinning these spectra. These innovations enable us to obtain the axion-photon coupling $|g_\gamma|$ excluded at any desired confidence level directly from the statistics of the combined data., Comment: 33 pages, 10 figures; added changes made in review process
Published: 2017
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24. Recent Technical Improvements to the HAYSTAC Experiment

Author: Zhong, L., Brubaker, B. M., Cahn, S. B., and Lamoreaux, S. K.
Subjects: Astrophysics - Instrumentation and Methods for Astrophysics, Physics - Instrumentation and Detectors
Abstract: We report here several technical improvements to the HAYSTAC (Haloscope at Yale Sensitive To Axion Cold dark matter) that have improved operational efficiency, sensitivity, and stability., Comment: 5 pages, submitted to the 2nd Workshop on Microwave Cavities and Detectors for Axion Research; added discussion of noise problem in ver. 2
Published: 2017

25. Ginsenoside Rg1 Inhibits Microglia Pyroptosis Induced by Lipopolysaccharide Through Regulating STAT3 Signaling [Retraction]

Author: Yao Y, Li C, Qian F, Zhao Y, Shi X, Hong D, Ai Q, and Zhong L
Subjects: neuroinflammation, aim2, microglia, pyroptosis, rg1, Pathology, RB1-214, Therapeutics. Pharmacology, RM1-950
Abstract: Yao Y, Li C, Qian F, et al. J Inflamm Res. 2021;14:6619–6632. The Editor and Publisher of the Journal of Inflammation Research are retracting the published article. The authors requested to correct errors with images from Figure 3, however it was found that some of the images had been duplicated with those from Yao YY, Li R, Guo YJ, et al. Gastrodin Attenuates Lipopolysaccharide-Induced Inflammatory Response and Migration via the Notch-1 Signaling Pathway in Activated Microglia. Neuromol Med. 2022;24:139–154. https://doi.org/10.1007/s12017-021-08671-1. Specifically, The images for Figure 3C, Control; p-STAT3; Lectin; Merge and LPS+Rg1(60µM); p-STAT3; Lectin; Merge have been duplicated with the images for Figure 3C, Control; NICD, Lectin; Merge and LPS; NICD, Lectin, Merge, respectively, from Yao YY et al (2022). The authors cooperated with our queries and explained the errors were made during the assembly of the figures and discovered following an internal academic review. The authors also provided the journal with original data from their study. However, the errors did raise concerns over the reliability and validity of the findings and the Editor and Publisher made the decision to retract the article and the authors do not agree with this decision. We have been informed in our decision-making by our editorial policies and the COPE guidelines. The retracted article will remain online to maintain the scholarly record, but it will be digitally watermarked on each page as “Retracted”.
Published: 2023

26. Effects of Atomoxetine Hydrochloride on Regulation of Lifespan in Drosophila Model

Author: Shen, Jie, Shan, J., Liang, B., Zhang, D., Tang, H., Zhong, L., and Li, M.
Published: 2022
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27. MultiGrid Preconditioners for Mixed Finite Element Methods of the Vector Laplacian

Author: Chen, L, Wu, Y, Zhong, L, and Zhou, J
Subjects: Saddle point system, Multigrid methods, Mixed finite elements, Vector Laplacian, Maxwell equations, math.NA, 65N55, 65F10, 65N22, 65N30, 65N55, 65F10, 65N22, 65N30, Applied Mathematics, Numerical and Computational Mathematics, Computation Theory and Mathematics
Abstract: Due to the indefiniteness and poor spectral properties, the discretized linear algebraic system of the vector Laplacian by mixed finite element methods is hard to solve. A block diagonal preconditioner has been developed and shown to be an effective preconditioner by Arnold et al. (Acta Numer 15:1–155, 2006). The purpose of this paper is to propose alternative and effective block diagonal and approximate block factorization preconditioners for solving these saddle point systems. A variable V-cycle multigrid method with the standard point-wise Gauss–Seidel smoother is proved to be a good preconditioner for the discrete vector Laplacian operator. The major benefit of our approach is that the point-wise Gauss–Seidel smoother is more algebraic and can be easily implemented as a black-box smoother. This multigrid solver will be further used to build preconditioners for the saddle point systems of the vector Laplacian. Furthermore it is shown that Maxwell’s equations with the divergent free constraint can be decoupled into one vector Laplacian and one scalar Laplacian equation.
Published: 2018

28. An uncommon atrioventricular block pattern associated with a novel mutation in TTN

Author: Wang, G Q, primary, Sun, X J, additional, and Zhong, L, additional
Published: 2024
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29. Design and Operational Experience of a Microwave Cavity Axion Detector for the 20-100 micro-eV Range

Author: Kenany, S. Al, Anil, M. A., Backes, K. M., Brubaker, B. M., Cahn, S. B., Carosi, G., Gurevich, Y. V., Kindel, W. F., Lamoreaux, S. K., Lehnert, K. W., Lewis, S. M., Malnou, M., Palken, D. A., Rapidis, N. M., Root, J. R., Simanovskaia, M., Shokair, T. M., Urdinaran, I., van Bibber, K. A., and Zhong, L.
Subjects: Physics - Instrumentation and Detectors, Astrophysics - Instrumentation and Methods for Astrophysics
Abstract: We describe a dark matter axion detector designed, constructed, and operated both as an innovation platform for new cavity and amplifier technologies and as a data pathfinder in the $5 - 25$ GHz range ($\sim20-100\: \mu$eV). The platform is small but flexible to facilitate the development of new microwave cavity and amplifier concepts in an operational environment. The experiment has recently completed its first data production; it is the first microwave cavity axion search to deploy a Josephson parametric amplifier and a dilution refrigerator to achieve near-quantum limited performance., Comment: 17 pages, published in NIM A. v2: added changes made during the review process
Published: 2016
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30. First results from a microwave cavity axion search at 24 micro-eV

Author: Brubaker, B. M., Zhong, L., Gurevich, Y. V., Cahn, S. B., Lamoreaux, S. K., Simanovskaia, M., Root, J. R., Lewis, S. M., Kenany, S. Al, Backes, K. M., Urdinaran, I., Rapidis, N. M., Shokair, T. M., van Bibber, K. A., Palken, D. A., Malnou, M., Kindel, W. F., Anil, M. A., Lehnert, K. W., and Carosi, G.
Subjects: Astrophysics - Cosmology and Nongalactic Astrophysics, Astrophysics - Instrumentation and Methods for Astrophysics, High Energy Physics - Experiment
Abstract: We report on the first results from a new microwave cavity search for dark matter axions with masses above $20~\mu\text{eV}$. We exclude axion models with two-photon coupling $g_{a\gamma\gamma} \gtrsim 2\times10^{-14}~\text{GeV}^{-1}$ over the range $23.55~\mu\text{eV} < m_a < 24.0~\mu\text{eV}$. These results represent two important achievements. First, we have reached cosmologically relevant sensitivity an order of magnitude higher in mass than any existing limits. Second, by incorporating a dilution refrigerator and Josephson parametric amplifier, we have demonstrated total noise approaching the standard quantum limit for the first time in an axion search., Comment: 5 pages, 3 figures, accepted for publication in PRL. v2: added changes made during the review process
Published: 2016
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31. Measurement of the CKM angle $\gamma$ using $B^0 \rightarrow D K^{*0}$ with $D \rightarrow K^0_S \pi^+ \pi^-$ decays

Author: LHCb collaboration, Aaij, R., Beteta, C. Abellán, Adeva, B., Adinolfi, M., Ajaltouni, Z., Akar, S., Albrecht, J., Alessio, F., Alexander, M., Ali, S., Alkhazov, G., Cartelle, P. Alvarez, Alves Jr, A. A., Amato, S., Amerio, S., Amhis, Y., An, L., Anderlini, L., Andreassi, G., Andreotti, M., Andrews, J. E., Appleby, R. B., Gutierrez, O. Aquines, Archilli, F., d'Argent, P., Artamonov, A., Artuso, M., Aslanides, E., Auriemma, G., Baalouch, M., Bachmann, S., Back, J. J., Badalov, A., Baesso, C., Baldini, W., Barlow, R. J., Barschel, C., Barsuk, S., Barter, W., Batozskaya, V., Battista, V., Bay, A., Beaucourt, L., Beddow, J., Bedeschi, F., Bediaga, I., Bel, L. J., Bellee, V., Belloli, N., Belyaev, I., Ben-Haim, E., Bencivenni, G., Benson, S., Benton, J., Berezhnoy, A., Bernet, R., Bertolin, A., Bettler, M. -O., van Beuzekom, M., Bifani, S., Billoir, P., Bird, T., Birnkraut, A., Bitadze, A., Bizzeti, A., Blake, T., Blanc, F., Blouw, J., Blusk, S., Bocci, V., Bondar, A., Bondar, N., Bonivento, W., Borghi, S., Borsato, M., Boubdir, M., Bowcock, T. J. V., Bowen, E., Bozzi, C., Braun, S., Britsch, M., Britton, T., Brodzicka, J., Buchanan, E., Burr, C., Bursche, A., Buytaert, J., Cadeddu, S., Calabrese, R., Calvi, M., Gomez, M. Calvo, Campana, P., Perez, D. Campora, Capriotti, L., Carbone, A., Carboni, G., Cardinale, R., Cardini, A., Carniti, P., Carson, L., Akiba, K. Carvalho, Casse, G., Cassina, L., Garcia, L. Castillo, Cattaneo, M., Cauet, Ch., Cavallero, G., Cenci, R., Charles, M., Charpentier, Ph., Chefdeville, M., Chen, S., Cheung, S. -F., Chobanova, V., Chrzaszcz, M., Vidal, X. Cid, Ciezarek, G., Clarke, P. E. L., Clemencic, M., Cliff, H. V., Closier, J., Coco, V., Cogan, J., Cogneras, E., Cogoni, V., Cojocariu, L., Collazuol, G., Collins, P., Comerma-Montells, A., Contu, A., Cook, A., Coquereau, S., Corti, G., Corvo, M., Couturier, B., Cowan, G. A., Craik, D. C., Crocombe, A., Torres, M. Cruz, Cunliffe, S., Currie, R., D'Ambrosio, C., Dall'Occo, E., Dalseno, J., David, P. N. Y., Davis, A., Francisco, O. De Aguiar, De Bruyn, K., De Capua, S., De Cian, M., De Miranda, J. M., De Paula, L., De Simone, P., Dean, C. -T., Decamp, D., Deckenhoff, M., Del Buono, L., Demmer, M., Derkach, D., Deschamps, O., Dettori, F., Dey, B., Di Canto, A., Dijkstra, H., Dordei, F., Dorigo, M., Suárez, A. Dosil, Dovbnya, A., Dreimanis, K., Dufour, L., Dujany, G., Durante, P., Dzhelyadin, R., Dziurda, A., Dzyuba, A., Déléage, N., Easo, S., Egede, U., Egorychev, V., Eidelman, S., Eisenhardt, S., Eitschberger, U., Ekelhof, R., Eklund, L., Rifai, I. El, Elsasser, Ch., Ely, S., Esen, S., Evans, H. M., Evans, T., Falabella, A., Farley, N., Farry, S., Fay, R., Ferguson, D., Albor, V. Fernandez, Ferrari, F., Rodrigues, F. Ferreira, Ferro-Luzzi, M., Filippov, S., Fiore, M., Fiorini, M., Firlej, M., Fitzpatrick, C., Fiutowski, T., Fleuret, F., Fohl, K., Fontana, M., Fontanelli, F., Forshaw, D. C., Forty, R., Frank, M., Frei, C., Frosini, M., Fu, J., Furfaro, E., Färber, C., Torreira, A. Gallas, Galli, D., Gallorini, S., Gambetta, S., Gandelman, M., Gandini, P., Gao, Y., Pardiñas, J. García, Tico, J. Garra, Garrido, L., Garsed, P. J., Gascon, D., Gaspar, C., Gavardi, L., Gazzoni, G., Gerick, D., Gersabeck, E., Gersabeck, M., Gershon, T., Ghez, Ph., Gianì, S., Gibson, V., Girard, O. G., Giubega, L., Gligorov, V. V., Golubkov, D., Golutvin, A., Gomes, A., Gotti, C., Gándara, M. Grabalosa, Diaz, R. Graciani, Cardoso, L. A. Granado, Graugés, E., Graverini, E., Graziani, G., Grecu, A., Griffith, P., Grillo, L., Grünberg, O., Gushchin, E., Guz, Yu., Gys, T., Göbel, C., Hadavizadeh, T., Hadjivasiliou, C., Haefeli, G., Haen, C., Haines, S. C., Hall, S., Hamilton, B., Han, X., Hansmann-Menzemer, S., Harnew, N., Harnew, S. T., Harrison, J., He, J., Head, T., Heister, A., Hennessy, K., Henrard, P., Henry, L., Morata, J. A. Hernando, van Herwijnen, E., Heß, M., Hicheur, A., Hill, D., Hoballah, M., Hombach, C., Hulsbergen, W., Humair, T., Hussain, N., Hutchcroft, D., Idzik, M., Ilten, P., Jacobsson, R., Jaeger, A., Jalocha, J., Jans, E., Jawahery, A., John, M., Johnson, D., Jones, C. R., Joram, C., Jost, B., Jurik, N., Kandybei, S., Kanso, W., Karacson, M., Karbach, T. M., Karodia, S., Kecke, M., Kelsey, M., Kenyon, I. R., Kenzie, M., Ketel, T., Khairullin, E., Khanji, B., Khurewathanakul, C., Kirn, T., Klaver, S., Klimaszewski, K., Kolpin, M., Komarov, I., Koopman, R. 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Otalora, Otto, A., Owen, P., Oyanguren, A., Palano, A., Palombo, F., Palutan, M., Panman, J., Papanestis, A., Pappagallo, M., Pappalardo, L. L., Pappenheimer, C., Parker, W., Parkes, C., Passaleva, G., Patel, G. D., Patel, M., Patrignani, C., Pearce, A., Pellegrino, A., Penso, G., Altarelli, M. Pepe, Perazzini, S., Perret, P., Pescatore, L., Petridis, K., Petrolini, A., Petruzzo, M., Olloqui, E. Picatoste, Pietrzyk, B., Pinci, D., Pistone, A., Piucci, A., Playfer, S., Casasus, M. Plo, Poikela, T., Polci, F., Poluektov, A., Polyakov, I., Polycarpo, E., Popov, A., Popov, D., Popovici, B., Potterat, C., Price, E., Price, J. D., Prisciandaro, J., Pritchard, A., Prouve, C., Pugatch, V., Navarro, A. Puig, Punzi, G., Qian, W., Quagliani, R., Rachwal, B., Rademacker, J. H., Rama, M., Pernas, M. Ramos, Rangel, M. S., Raniuk, I., Raven, G., Redi, F., Reichert, S., Reis, A. C. dos, Renaudin, V., Ricciardi, S., Richards, S., Rihl, M., Rinnert, K., Molina, V. Rives, Robbe, P., Rodrigues, A. 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Subjects: High Energy Physics - Experiment
Abstract: A model-dependent amplitude analysis of the decay $B^0\rightarrow D(K^0_S\pi^+\pi^-) K^{*0}$ is performed using proton-proton collision data corresponding to an integrated luminosity of 3.0fb$^{-1}$, recorded at $\sqrt{s}=7$ and $8 TeV$ by the LHCb experiment. The CP violation observables $x_{\pm}$ and $y_{\pm}$, sensitive to the CKM angle $\gamma$, are measured to be \begin{eqnarray*} x_- &=& -0.15 \pm 0.14 \pm 0.03 \pm 0.01, y_- &=& 0.25 \pm 0.15 \pm 0.06 \pm 0.01, x_+ &=& 0.05 \pm 0.24 \pm 0.04 \pm 0.01, y_+ &=& -0.65^{+0.24}_{-0.23} \pm 0.08 \pm 0.01, \end{eqnarray*} where the first uncertainties are statistical, the second systematic and the third arise from the uncertainty on the $D\rightarrow K^0_S \pi^+\pi^-$ amplitude model. These are the most precise measurements of these observables. They correspond to $\gamma=(80^{+21}_{-22})^{\circ}$ and $r_{B^0}=0.39\pm0.13$, where $r_{B^0}$ is the magnitude of the ratio of the suppressed and favoured $B^0\rightarrow D K^+ \pi^-$ decay amplitudes, in a $K\pi$ mass region of $\pm50 MeV$ around the $K^*(892)^0$ mass and for an absolute value of the cosine of the $K^{*0}$ decay angle larger than $0.4$., Comment: All figures and tables, along with any supplementary material and additional information, are available at https://lhcbproject.web.cern.ch/lhcbproject/Publications/LHCbProjectPublic/LHCb-PAPER-2016-007.html
Published: 2016
Full Text: View/download PDF

32. Model-independent evidence for $J/\psi p$ contributions to $\Lambda_b^0\to J/\psi p K^-$ decays

Author: LHCb collaboration, Aaij, R., Beteta, C. Abellán, Adeva, B., Adinolfi, M., Ajaltouni, Z., Akar, S., Albrecht, J., Alessio, F., Alexander, M., Ali, S., Alkhazov, G., Cartelle, P. Alvarez, Alves Jr, A. A., Amato, S., Amerio, S., Amhis, Y., An, L., Anderlini, L., Andreassi, G., Andreotti, M., Andrews, J. E., Appleby, R. B., Gutierrez, O. Aquines, Archilli, F., d'Argent, P., Artamonov, A., Artuso, M., Aslanides, E., Auriemma, G., Baalouch, M., Bachmann, S., Back, J. J., Badalov, A., Baesso, C., Baker, S., Baldini, W., Barlow, R. J., Barschel, C., Barsuk, S., Barter, W., Batozskaya, V., Battista, V., Bay, A., Beaucourt, L., Beddow, J., Bedeschi, F., Bediaga, I., Bel, L. J., Bellee, V., Belloli, N., Belyaev, I., Ben-Haim, E., Bencivenni, G., Benson, S., Benton, J., Berezhnoy, A., Bernet, R., Bertolin, A., Betti, F., Bettler, M. -O., van Beuzekom, M., Bifani, S., Billoir, P., Bird, T., Birnkraut, A., Bizzeti, A., Blake, T., Blanc, F., Blouw, J., Blusk, S., Bocci, V., Bondar, A., Bondar, N., Bonivento, W., Borgheresi, A., Borghi, S., Borisyak, M., Borsato, M., Boubdir, M., Bowcock, T. J. V., Bowen, E., Bozzi, C., Braun, S., Britsch, M., Britton, T., Brodzicka, J., Buchanan, E., Burr, C., Bursche, A., Buytaert, J., Cadeddu, S., Calabrese, R., Calvi, M., Gomez, M. Calvo, Campana, P., Perez, D. Campora, Capriotti, L., Carbone, A., Carboni, G., Cardinale, R., Cardini, A., Carniti, P., Carson, L., Akiba, K. Carvalho, Casse, G., Cassina, L., Garcia, L. Castillo, Cattaneo, M., Cauet, Ch., Cavallero, G., Cenci, R., Charles, M., Charpentier, Ph., Chatzikonstantinidis, G., Chefdeville, M., Chen, S., Cheung, S. -F., Chobanova, V., Chrzaszcz, M., Vidal, X. Cid, Ciezarek, G., Clarke, P. E. L., Clemencic, M., Cliff, H. V., Closier, J., Coco, V., Cogan, J., Cogneras, E., Cogoni, V., Cojocariu, L., Collazuol, G., Collins, P., Comerma-Montells, A., Contu, A., Cook, A., Coquereau, S., Corti, G., Corvo, M., Couturier, B., Cowan, G. A., Craik, D. C., Crocombe, A., Torres, M. Cruz, Cunliffe, S., Currie, R., D'Ambrosio, C., Dall'Occo, E., Dalseno, J., David, P. N. Y., Davis, A., Francisco, O. De Aguiar, De Bruyn, K., De Capua, S., De Cian, M., De Miranda, J. M., De Paula, L., De Simone, P., Dean, C. -T., Decamp, D., Deckenhoff, M., Del Buono, L., Déléage, N., Demmer, M., Dendek, A., Derkach, D., Deschamps, O., Dettori, F., Dey, B., Di Canto, A., Dijkstra, H., Dordei, F., Dorigo, M., Suárez, A. Dosil, Dovbnya, A., Dreimanis, K., Dufour, L., Dujany, G., Dungs, K., Durante, P., Dzhelyadin, R., Dziurda, A., Dzyuba, A., Easo, S., Egede, U., Egorychev, V., Eidelman, S., Eisenhardt, S., Eitschberger, U., Ekelhof, R., Eklund, L., Rifai, I. El, Elsasser, Ch., Ely, S., Esen, S., Evans, H. M., Evans, T., Falabella, A., Färber, C., Farley, N., Farry, S., Fay, R., Fazzini, D., Ferguson, D., Albor, V. Fernandez, Ferrari, F., Rodrigues, F. Ferreira, Ferro-Luzzi, M., Filippov, S., Fiore, M., Fiorini, M., Firlej, M., Fitzpatrick, C., Fiutowski, T., Fleuret, F., Fohl, K., Fontana, M., Fontanelli, F., Forshaw, D. C., Forty, R., Frank, M., Frei, C., Frosini, M., Fu, J., Furfaro, E., Torreira, A. Gallas, Galli, D., Gallorini, S., Gambetta, S., Gandelman, M., Gandini, P., Gao, Y., Pardiñas, J. García, Tico, J. Garra, Garrido, L., Garsed, P. J., Gascon, D., Gaspar, C., Gavardi, L., Gazzoni, G., Gerick, D., Gersabeck, E., Gersabeck, M., Gershon, T., Ghez, Ph., Gianì, S., Gibson, V., Girard, O. G., Giubega, L., Gligorov, V. V., Göbel, C., Golubkov, D., Golutvin, A., Gomes, A., Gotti, C., Gándara, M. Grabalosa, Diaz, R. Graciani, Cardoso, L. A. Granado, Graugés, E., Graverini, E., Graziani, G., Grecu, A., Griffith, P., Grillo, L., Grünberg, O., Gushchin, E., Guz, Yu., Gys, T., Hadavizadeh, T., Hadjivasiliou, C., Haefeli, G., Haen, C., Haines, S. C., Hall, S., Hamilton, B., Han, X., Hansmann-Menzemer, S., Harnew, N., Harnew, S. T., Harrison, J., He, J., Head, T., Heister, A., Hennessy, K., Henrard, P., Henry, L., Morata, J. A. Hernando, van Herwijnen, E., Heß, M., Hicheur, A., Hill, D., Hoballah, M., Hombach, C., Hongming, L., Hulsbergen, W., Humair, T., Hushchyn, M., Hussain, N., Hutchcroft, D., Idzik, M., Ilten, P., Jacobsson, R., Jaeger, A., Jalocha, J., Jans, E., Jawahery, A., John, M., Johnson, D., Jones, C. R., Joram, C., Jost, B., Jurik, N., Kandybei, S., Kanso, W., Karacson, M., Karbach, T. M., Karodia, S., Kecke, M., Kelsey, M., Kenyon, I. R., Kenzie, M., Ketel, T., Khairullin, E., Khanji, B., Khurewathanakul, C., Kirn, T., Klaver, S., Klimaszewski, K., Kolpin, M., Komarov, I., Koopman, R. F., Koppenburg, P., Kozeiha, M., Kravchuk, L., Kreplin, K., Kreps, M., Krokovny, P., Kruse, F., Krzemien, W., Kucewicz, W., Kucharczyk, M., Kudryavtsev, V., Kuonen, A. K., Kurek, K., Kvaratskheliya, T., Lacarrere, D., Lafferty, G., Lai, A., Lambert, D., Lanfranchi, G., Langenbruch, C., Langhans, B., Latham, T., Lazzeroni, C., Gac, R. Le, van Leerdam, J., Lees, J. -P., Lefèvre, R., Leflat, A., Lefrançois, J., Lemaitre, F., Cid, E. Lemos, Leroy, O., Lesiak, T., Leverington, B., Li, Y., Likhomanenko, T., Lindner, R., Linn, C., Lionetto, F., Liu, B., Liu, X., Loh, D., Longstaff, I., Lopes, J. H., Lucchesi, D., Martinez, M. Lucio, Luo, H., Lupato, A., Luppi, E., Lupton, O., Lusardi, N., Lusiani, A., Lyu, X., Machefert, F., Maciuc, F., Maev, O., Maguire, K., Malde, S., Malinin, A., Manca, G., Mancinelli, G., Manning, P., Mapelli, A., Maratas, J., Marchand, J. F., Marconi, U., Benito, C. Marin, Marino, P., Marks, J., Martellotti, G., Martin, M., Martinelli, M., Santos, D. Martinez, Vidal, F. Martinez, Tostes, D. Martins, Massacrier, L. M., Massafferri, A., Matev, R., Mathad, A., Mathe, Z., Matteuzzi, C., Mauri, A., Maurin, B., Mazurov, A., McCann, M., McCarthy, J., McNab, A., McNulty, R., Meadows, B., Meier, F., Meissner, M., Melnychuk, D., Merk, M., Merli, A, Michielin, E, Milanes, D. A., Minard, M. -N., Mitzel, D. S., Rodriguez, J. Molina, Monroy, I. A., Monteil, S., Morandin, M., Morawski, P., Mordà, A., Morello, M. J., Moron, J., Morris, A. B., Mountain, R., Muheim, F., Mulder, MM, Müller, D., Müller, J., Müller, K., Müller, V., Mussini, M., Muster, B., Naik, P., Nakada, T., Nandakumar, R., Nandi, A., Nasteva, I., Needham, M., Neri, N., Neubert, S., Neufeld, N., Neuner, M., Nguyen, A. D., Nguyen-Mau, C., Niess, V., Nieswand, S., Niet, R., Nikitin, N., Nikodem, T., Novoselov, A., O'Hanlon, D. P., Oblakowska-Mucha, A., Obraztsov, V., Ogilvy, S., Okhrimenko, O., Oldeman, R., Onderwater, C. J. G., Rodrigues, B. Osorio, Goicochea, J. M. Otalora, Otto, A., Owen, P., Oyanguren, A., Palano, A., Palombo, F., Palutan, M., Panman, J., Papanestis, A., Pappagallo, M., Pappalardo, L. L., Pappenheimer, C., Parker, W., Parkes, C., Passaleva, G., Patel, G. D., Patel, M., Patrignani, C., Pearce, A., Pellegrino, A., Penso, G., Altarelli, M. Pepe, Perazzini, S., Perret, P., Pescatore, L., Petridis, K., Petrolini, A., Petruzzo, M., Olloqui, E. Picatoste, Pietrzyk, B., Pikies, M., Pinci, D., Pistone, A., Piucci, A., Playfer, S., Casasus, M. Plo, Poikela, T., Polci, F., Poluektov, A., Polyakov, I., Polycarpo, E., Popov, A., Popov, D., Popovici, B., Potterat, C., Price, E., Price, J. D., Prisciandaro, J., Pritchard, A., Prouve, C., Pugatch, V., Navarro, A. Puig, Punzi, G., Qian, W., Quagliani, R., Rachwal, B., Rademacker, J. H., Rama, M., Pernas, M. Ramos, Rangel, M. S., Raniuk, I., Raven, G., Redi, F., Reichert, S., Reis, A. C. dos, Renaudin, V., Ricciardi, S., Richards, S., Rihl, M., Rinnert, K., Molina, V. Rives, Robbe, P., Rodrigues, A. B., Rodrigues, E., Lopez, J. A. Rodriguez, Perez, P. Rodriguez, Rogozhnikov, A., Roiser, S., Romanovsky, V., Vidal, A. Romero, Ronayne, J. W., Rotondo, M., Ruf, T., Valls, P. Ruiz, Silva, J. J. Saborido, Sagidova, N., Saitta, B., Guimaraes, V. Salustino, Mayordomo, C. Sanchez, Sedes, B. Sanmartin, Santacesaria, R., Rios, C. Santamarina, Santimaria, M., Santovetti, E., Sarti, A., Satriano, C., Satta, A., Saunders, D. M., Savrina, D., Schael, S., Schiller, M., Schindler, H., Schlupp, M., Schmelling, M., Schmelzer, T., Schmidt, B., Schneider, O., Schopper, A., Schubiger, M., Schune, M. -H., Schwemmer, R., Sciascia, B., Sciubba, A., Semennikov, A., Sergi, A., Serra, N., Serrano, J., Sestini, L., Seyfert, P., Shapkin, M., Shapoval, I., Shcheglov, Y., Shears, T., Shekhtman, L., Shevchenko, V., Shires, A., Siddi, B. G., Coutinho, R. Silva, de Oliveira, L. Silva, Simi, G., Sirendi, M., Skidmore, N., Skwarnicki, T., Smith, E., Smith, I. T., Smith, J., Smith, M., Snoek, H., Sokoloff, M. D., Soler, F. J. P., Soomro, F., Souza, D., De Paula, B. Souza, Spaan, B., Spradlin, P., Sridharan, S., Stagni, F., Stahl, M., Stahl, S., Stefkova, S., Steinkamp, O., Stenyakin, O., Stevenson, S., Stoica, S., Stone, S., Storaci, B., Stracka, S., Straticiuc, M., Straumann, U., Sun, L., Sutcliffe, W., Swientek, K., Swientek, S., Syropoulos, V., Szczekowski, M., Szumlak, T., T'Jampens, S., Tayduganov, A., Tekampe, T., Tellarini, G., Teubert, F., Thomas, C., Thomas, E., van Tilburg, J., Tisserand, V., Tobin, M., Tolk, S., Tomassetti, L., Tonelli, D., Topp-Joergensen, S., Tournefier, E., Tourneur, S., Trabelsi, K., Traill, M., Tran, M. T., Tresch, M., Trisovic, A., Tsaregorodtsev, A., Tsopelas, P., Tuning, N., Ukleja, A., Ustyuzhanin, A., Uwer, U., Vacca, C., Vagnoni, V., Valat, S., Valenti, G., Vallier, A., Gomez, R. Vazquez, Regueiro, P. Vazquez, Sierra, C. Vázquez, Vecchi, S., van Veghel, M., Velthuis, J. J., Veltri, M., Veneziano, G., Vesterinen, M., Viaud, B., Vieira, D., Diaz, M. Vieites, Vilasis-Cardona, X., Volkov, V., Vollhardt, A., Voong, D., Vorobyev, A., Vorobyev, V., Voß, C., de Vries, J. A., Waldi, R., Wallace, C., Wallace, R., Walsh, J., Wang, J., Ward, D. R., Watson, N. K., Websdale, D., Weiden, A., Whitehead, M., Wicht, J., Wilkinson, G., Wilkinson, M., Williams, M., Williams, M. P., Williams, T., Wilson, F. F., Wimberley, J., Wishahi, J., Wislicki, W., Witek, M., Wormser, G., Wotton, S. A., Wraight, K., Wright, S., Wyllie, K., Xie, Y., Xu, Z., Yang, Z., Yin, H., Yu, J., Yuan, X., Yushchenko, O., Zangoli, M., Zavertyaev, M., Zhang, L., Zhang, Y., Zhelezov, A., Zheng, Y., Zhokhov, A., Zhong, L., Zhukov, V., and Zucchelli, S.
Subjects: High Energy Physics - Experiment
Abstract: The data sample of $\Lambda_b^0\to J/\psi p K^-$ decays acquired with the LHCb detector from 7 and 8~TeV $pp$ collisions, corresponding to an integrated luminosity of 3 fb$^{-1}$, is inspected for the presence of $J/\psi p$ or $J/\psi K^-$ contributions with minimal assumptions about $K^- p$ contributions. It is demonstrated at more than 9 standard deviations that $\Lambda_b^0\to J/\psi p K^-$ decays cannot be described with $K^- p$ contributions alone, and that $J/\psi p$ contributions play a dominant role in this incompatibility. These model-independent results support the previously obtained model-dependent evidence for $P_c^+\to J/\psi p$ charmonium-pentaquark states in the same data sample., Comment: 21 pages, 12 figures (including the supplemental section added at the end)
Published: 2016
Full Text: View/download PDF

33. Measurement of the properties of the $\Xi_b^{*0}$ baryon

Author: LHCb collaboration, Aaij, R., Beteta, C. Abellán, Adeva, B., Adinolfi, M., Ajaltouni, Z., Akar, S., Albrecht, J., Alessio, F., Alexander, M., Ali, S., Alkhazov, G., Cartelle, P. Alvarez, Alves Jr, A. A., Amato, S., Amerio, S., Amhis, Y., An, L., Anderlini, L., Andreassi, G., Andreotti, M., Andrews, J. E., Appleby, R. B., Gutierrez, O. Aquines, Archilli, F., d'Argent, P., Artamonov, A., Artuso, M., Aslanides, E., Auriemma, G., Baalouch, M., Bachmann, S., Back, J. J., Badalov, A., Baesso, C., Baker, S., Baldini, W., Barlow, R. J., Barschel, C., Barsuk, S., Barter, W., Batozskaya, V., Battista, V., Bay, A., Beaucourt, L., Beddow, J., Bedeschi, F., Bediaga, I., Bel, L. J., Bellee, V., Belloli, N., Belyaev, I., Ben-Haim, E., Bencivenni, G., Benson, S., Benton, J., Berezhnoy, A., Bernet, R., Bertolin, A., Betti, F., Bettler, M. -O., van Beuzekom, M., Bifani, S., Billoir, P., Bird, T., Birnkraut, A., Bizzeti, A., Blake, T., Blanc, F., Blouw, J., Blusk, S., Bocci, V., Bondar, A., Bondar, N., Bonivento, W., Borgheresi, A., Borghi, S., Borisyak, M., Borsato, M., Boubdir, M., Bowcock, T. J. V., Bowen, E., Bozzi, C., Braun, S., Britsch, M., Britton, T., Brodzicka, J., Buchanan, E., Burr, C., Bursche, A., Buytaert, J., Cadeddu, S., Calabrese, R., Calvi, M., Gomez, M. Calvo, Campana, P., Perez, D. Campora, Capriotti, L., Carbone, A., Carboni, G., Cardinale, R., Cardini, A., Carniti, P., Carson, L., Akiba, K. Carvalho, Casse, G., Cassina, L., Garcia, L. Castillo, Cattaneo, M., Cauet, Ch., Cavallero, G., Cenci, R., Charles, M., Charpentier, Ph., Chatzikonstantinidis, G., Chefdeville, M., Chen, S., Cheung, S. -F., Chobanova, V., Chrzaszcz, M., Vidal, X. Cid, Ciezarek, G., Clarke, P. E. L., Clemencic, M., Cliff, H. V., Closier, J., Coco, V., Cogan, J., Cogneras, E., Cogoni, V., Cojocariu, L., Collazuol, G., Collins, P., Comerma-Montells, A., Contu, A., Cook, A., Coquereau, S., Corti, G., Corvo, M., Couturier, B., Cowan, G. A., Craik, D. C., Crocombe, A., Torres, M. Cruz, Cunliffe, S., Currie, R., D'Ambrosio, C., Dall'Occo, E., Dalseno, J., David, P. N. Y., Davis, A., Francisco, O. De Aguiar, De Bruyn, K., De Capua, S., De Cian, M., De Miranda, J. M., De Paula, L., De Simone, P., Dean, C. -T., Decamp, D., Deckenhoff, M., Del Buono, L., Déléage, N., Demmer, M., Dendek, A., Derkach, D., Deschamps, O., Dettori, F., Dey, B., Di Canto, A., Dijkstra, H., Dordei, F., Dorigo, M., Suárez, A. Dosil, Dovbnya, A., Dreimanis, K., Dufour, L., Dujany, G., Dungs, K., Durante, P., Dzhelyadin, R., Dziurda, A., Dzyuba, A., Easo, S., Egede, U., Egorychev, V., Eidelman, S., Eisenhardt, S., Eitschberger, U., Ekelhof, R., Eklund, L., Rifai, I. El, Elsasser, Ch., Ely, S., Esen, S., Evans, H. M., Evans, T., Falabella, A., Färber, C., Farley, N., Farry, S., Fay, R., Fazzini, D., Ferguson, D., Albor, V. Fernandez, Ferrari, F., Rodrigues, F. Ferreira, Ferro-Luzzi, M., Filippov, S., Fiore, M., Fiorini, M., Firlej, M., Fitzpatrick, C., Fiutowski, T., Fleuret, F., Fohl, K., Fontana, M., Fontanelli, F., Forshaw, D. C., Forty, R., Frank, M., Frei, C., Frosini, M., Fu, J., Furfaro, E., Torreira, A. Gallas, Galli, D., Gallorini, S., Gambetta, S., Gandelman, M., Gandini, P., Gao, Y., Pardiñas, J. García, Tico, J. Garra, Garrido, L., Garsed, P. J., Gascon, D., Gaspar, C., Gavardi, L., Gazzoni, G., Gerick, D., Gersabeck, E., Gersabeck, M., Gershon, T., Ghez, Ph., Gianì, S., Gibson, V., Girard, O. G., Giubega, L., Gligorov, V. V., Göbel, C., Golubkov, D., Golutvin, A., Gomes, A., Gotti, C., Gándara, M. Grabalosa, Diaz, R. Graciani, Cardoso, L. A. Granado, Graugés, E., Graverini, E., Graziani, G., Grecu, A., Griffith, P., Grillo, L., Grünberg, O., Gushchin, E., Guz, Yu., Gys, T., Hadavizadeh, T., Hadjivasiliou, C., Haefeli, G., Haen, C., Haines, S. C., Hall, S., Hamilton, B., Han, X., Hansmann-Menzemer, S., Harnew, N., Harnew, S. T., Harrison, J., He, J., Head, T., Heister, A., Hennessy, K., Henrard, P., Henry, L., Morata, J. A. Hernando, van Herwijnen, E., Heß, M., Hicheur, A., Hill, D., Hoballah, M., Hombach, C., Hongming, L., Hulsbergen, W., Humair, T., Hushchyn, M., Hussain, N., Hutchcroft, D., Idzik, M., Ilten, P., Jacobsson, R., Jaeger, A., Jalocha, J., Jans, E., Jawahery, A., John, M., Johnson, D., Jones, C. R., Joram, C., Jost, B., Jurik, N., Kandybei, S., Kanso, W., Karacson, M., Karbach, T. M., Karodia, S., Kecke, M., Kelsey, M., Kenyon, I. R., Kenzie, M., Ketel, T., Khairullin, E., Khanji, B., Khurewathanakul, C., Kirn, T., Klaver, S., Klimaszewski, K., Kolpin, M., Komarov, I., Koopman, R. F., Koppenburg, P., Kozeiha, M., Kravchuk, L., Kreplin, K., Kreps, M., Krokovny, P., Kruse, F., Krzemien, W., Kucewicz, W., Kucharczyk, M., Kudryavtsev, V., Kuonen, A. K., Kurek, K., Kvaratskheliya, T., Lacarrere, D., Lafferty, G., Lai, A., Lambert, D., Lanfranchi, G., Langenbruch, C., Langhans, B., Latham, T., Lazzeroni, C., Gac, R. Le, van Leerdam, J., Lees, J. -P., Lefèvre, R., Leflat, A., Lefrançois, J., Lemaitre, F., Cid, E. Lemos, Leroy, O., Lesiak, T., Leverington, B., Li, Y., Likhomanenko, T., Lindner, R., Linn, C., Lionetto, F., Liu, B., Liu, X., Loh, D., Longstaff, I., Lopes, J. H., Lucchesi, D., Martinez, M. Lucio, Luo, H., Lupato, A., Luppi, E., Lupton, O., Lusardi, N., Lusiani, A., Lyu, X., Machefert, F., Maciuc, F., Maev, O., Maguire, K., Malde, S., Malinin, A., Manca, G., Mancinelli, G., Manning, P., Mapelli, A., Maratas, J., Marchand, J. F., Marconi, U., Benito, C. Marin, Marino, P., Marks, J., Martellotti, G., Martin, M., Martinelli, M., Santos, D. Martinez, Vidal, F. Martinez, Tostes, D. Martins, Massacrier, L. M., Massafferri, A., Matev, R., Mathad, A., Mathe, Z., Matteuzzi, C., Mauri, A., Maurin, B., Mazurov, A., McCann, M., McCarthy, J., McNab, A., McNulty, R., Meadows, B., Meier, F., Meissner, M., Melnychuk, D., Merk, M., Merli, A, Michielin, E, Milanes, D. A., Minard, M. -N., Mitzel, D. S., Rodriguez, J. Molina, Monroy, I. A., Monteil, S., Morandin, M., Morawski, P., Mordà, A., Morello, M. J., Moron, J., Morris, A. B., Mountain, R., Muheim, F., Mulder, MM, Müller, D., Müller, J., Müller, K., Müller, V., Mussini, M., Muster, B., Naik, P., Nakada, T., Nandakumar, R., Nandi, A., Nasteva, I., Needham, M., Neri, N., Neubert, S., Neufeld, N., Neuner, M., Nguyen, A. D., Nguyen-Mau, C., Niess, V., Nieswand, S., Niet, R., Nikitin, N., Nikodem, T., Novoselov, A., O'Hanlon, D. P., Oblakowska-Mucha, A., Obraztsov, V., Ogilvy, S., Okhrimenko, O., Oldeman, R., Onderwater, C. J. G., Rodrigues, B. Osorio, Goicochea, J. M. Otalora, Otto, A., Owen, P., Oyanguren, A., Palano, A., Palombo, F., Palutan, M., Panman, J., Papanestis, A., Pappagallo, M., Pappalardo, L. L., Pappenheimer, C., Parker, W., Parkes, C., Passaleva, G., Patel, G. D., Patel, M., Patrignani, C., Pearce, A., Pellegrino, A., Penso, G., Altarelli, M. Pepe, Perazzini, S., Perret, P., Pescatore, L., Petridis, K., Petrolini, A., Petruzzo, M., Olloqui, E. Picatoste, Pietrzyk, B., Pikies, M., Pinci, D., Pistone, A., Piucci, A., Playfer, S., Casasus, M. Plo, Poikela, T., Polci, F., Poluektov, A., Polyakov, I., Polycarpo, E., Popov, A., Popov, D., Popovici, B., Potterat, C., Price, E., Price, J. D., Prisciandaro, J., Pritchard, A., Prouve, C., Pugatch, V., Navarro, A. Puig, Punzi, G., Qian, W., Quagliani, R., Rachwal, B., Rademacker, J. H., Rama, M., Pernas, M. Ramos, Rangel, M. S., Raniuk, I., Raven, G., Redi, F., Reichert, S., Reis, A. C. dos, Renaudin, V., Ricciardi, S., Richards, S., Rihl, M., Rinnert, K., Molina, V. Rives, Robbe, P., Rodrigues, A. B., Rodrigues, E., Lopez, J. A. Rodriguez, Perez, P. Rodriguez, Rogozhnikov, A., Roiser, S., Romanovsky, V., Vidal, A. Romero, Ronayne, J. W., Rotondo, M., Ruf, T., Valls, P. Ruiz, Silva, J. J. Saborido, Sagidova, N., Saitta, B., Guimaraes, V. Salustino, Mayordomo, C. Sanchez, Sedes, B. Sanmartin, Santacesaria, R., Rios, C. Santamarina, Santimaria, M., Santovetti, E., Sarti, A., Satriano, C., Satta, A., Saunders, D. M., Savrina, D., Schael, S., Schiller, M., Schindler, H., Schlupp, M., Schmelling, M., Schmelzer, T., Schmidt, B., Schneider, O., Schopper, A., Schubiger, M., Schune, M. -H., Schwemmer, R., Sciascia, B., Sciubba, A., Semennikov, A., Sergi, A., Serra, N., Serrano, J., Sestini, L., Seyfert, P., Shapkin, M., Shapoval, I., Shcheglov, Y., Shears, T., Shekhtman, L., Shevchenko, V., Shires, A., Siddi, B. G., Coutinho, R. Silva, de Oliveira, L. Silva, Simi, G., Sirendi, M., Skidmore, N., Skwarnicki, T., Smith, E., Smith, I. T., Smith, J., Smith, M., Snoek, H., Sokoloff, M. D., Soler, F. J. P., Soomro, F., Souza, D., De Paula, B. Souza, Spaan, B., Spradlin, P., Sridharan, S., Stagni, F., Stahl, M., Stahl, S., Stefkova, S., Steinkamp, O., Stenyakin, O., Stevenson, S., Stoica, S., Stone, S., Storaci, B., Stracka, S., Straticiuc, M., Straumann, U., Sun, L., Sutcliffe, W., Swientek, K., Swientek, S., Syropoulos, V., Szczekowski, M., Szumlak, T., T'Jampens, S., Tayduganov, A., Tekampe, T., Tellarini, G., Teubert, F., Thomas, C., Thomas, E., van Tilburg, J., Tisserand, V., Tobin, M., Tolk, S., Tomassetti, L., Tonelli, D., Topp-Joergensen, S., Tournefier, E., Tourneur, S., Trabelsi, K., Traill, M., Tran, M. T., Tresch, M., Trisovic, A., Tsaregorodtsev, A., Tsopelas, P., Tuning, N., Ukleja, A., Ustyuzhanin, A., Uwer, U., Vacca, C., Vagnoni, V., Valat, S., Valenti, G., Vallier, A., Gomez, R. Vazquez, Regueiro, P. Vazquez, Sierra, C. Vázquez, Vecchi, S., van Veghel, M., Velthuis, J. J., Veltri, M., Veneziano, G., Vesterinen, M., Viaud, B., Vieira, D., Diaz, M. Vieites, Vilasis-Cardona, X., Volkov, V., Vollhardt, A., Voong, D., Vorobyev, A., Vorobyev, V., Voß, C., de Vries, J. A., Waldi, R., Wallace, C., Wallace, R., Walsh, J., Wang, J., Ward, D. R., Watson, N. K., Websdale, D., Weiden, A., Whitehead, M., Wicht, J., Wilkinson, G., Wilkinson, M., Williams, M., Williams, M. P., Williams, T., Wilson, F. F., Wimberley, J., Wishahi, J., Wislicki, W., Witek, M., Wormser, G., Wotton, S. A., Wraight, K., Wright, S., Wyllie, K., Xie, Y., Xu, Z., Yang, Z., Yin, H., Yu, J., Yuan, X., Yushchenko, O., Zangoli, M., Zavertyaev, M., Zhang, L., Zhang, Y., Zhelezov, A., Zheng, Y., Zhokhov, A., Zhong, L., Zhukov, V., and Zucchelli, S.
Subjects: High Energy Physics - Experiment
Abstract: We perform a search for near-threshold $\Xi_b^0$ resonances decaying to $\Xi_b^- \pi^+$ in a sample of proton-proton collision data corresponding to an integrated luminosity of 3 fb$^{-1}$ collected by the LHCb experiment. We observe one resonant state, with the following properties: \begin{eqnarray*} m(\Xi_b^{*0}) - m(\Xi_b^-) - m(\pi^+) &=& 15.727 \pm 0.068 \, (\mathrm{stat}) \pm 0.023 \, (\mathrm{syst}) \, \mathrm{MeV}/c^2, \Gamma(\Xi_b^{*0}) &=& 0.90 \pm 0.16 \, (\mathrm{stat}) \pm 0.08 \, (\mathrm{syst}) \, \mathrm{MeV} . \end{eqnarray*} This confirms the previous observation by the CMS collaboration. The state is consistent with the $J^P=3/2^+$ $\Xi_b^{*0}$ resonance expected in the quark model. This is the most precise determination of the mass and the first measurement of the natural width of this state. We have also measured the ratio \begin{align*} \frac{\sigma(pp \to \Xi_b^{*0} X){\cal{B}}(\Xi_b^{*0} \to \Xi_b^- \pi^+)}{\sigma(pp \to \Xi_b^- X)} = 0.28 \pm 0.03 \, (\mathrm{stat}) \pm 0.01 \, (\mathrm{syst}) . \end{align*}, Comment: 19 pages, 5 figures. All figures and tables, along with any supplementary material and additional information, are available at https://lhcbproject.web.cern.ch/lhcbproject/Publications/LHCbProjectPublic/LHCb-PAPER-2016-010.html
Published: 2016
Full Text: View/download PDF

34. A precise measurement of the $B^0$ meson oscillation frequency

Author: LHCb collaboration, Aaij, R., Beteta, C. Abellán, Adeva, B., Adinolfi, M., Affolder, A., Ajaltouni, Z., Akar, S., Albrecht, J., Alessio, F., Alexander, M., Ali, S., Alkhazov, G., Cartelle, P. Alvarez, Alves Jr, A. A., Amato, S., Amerio, S., Amhis, Y., An, L., Anderlini, L., Anderson, J., Andreassi, G., Andreotti, M., Andrews, J. E., Appleby, R. B., Gutierrez, O. Aquines, Archilli, F., d'Argent, P., Artamonov, A., Artuso, M., Aslanides, E., Auriemma, G., Baalouch, M., Bachmann, S., Back, J. J., Badalov, A., Baesso, C., Baldini, W., Barlow, R. J., Barschel, C., Barsuk, S., Barter, W., Batozskaya, V., Battista, V., Bay, A., Beaucourt, L., Beddow, J., Bedeschi, F., Bediaga, I., Bel, L. J., Bellee, V., Belloli, N., Belyaev, I., Ben-Haim, E., Bencivenni, G., Benson, S., Benton, J., Berezhnoy, A., Bernet, R., Bertolin, A., Bettler, M. -O., van Beuzekom, M., Bien, A., Bifani, S., Billoir, P., Bird, T., Birnkraut, A., Bizzeti, A., Blake, T., Blanc, F., Blouw, J., Blusk, S., Bocci, V., Bondar, A., Bondar, N., Bonivento, W., Borghi, S., Borsato, M., Bowcock, T. J. V., Bowen, E., Bozzi, C., Braun, S., Britsch, M., Britton, T., Brodzicka, J., Brook, N. H., Buchanan, E., Bursche, A., Buytaert, J., Cadeddu, S., Calabrese, R., Calvi, M., Gomez, M. Calvo, Campana, P., Perez, D. Campora, Capriotti, L., Carbone, A., Carboni, G., Cardinale, R., Cardini, A., Carniti, P., Carson, L., Akiba, K. Carvalho, Casse, G., Cassina, L., Garcia, L. Castillo, Cattaneo, M., Cauet, Ch., Cavallero, G., Cenci, R., Charles, M., Charpentier, Ph., Chefdeville, M., Chen, S., Cheung, S. -F., Chiapolini, N., Chrzaszcz, M., Vidal, X. Cid, Ciezarek, G., Clarke, P. E. L., Clemencic, M., Cliff, H. V., Closier, J., Coco, V., Cogan, J., Cogneras, E., Cogoni, V., Cojocariu, L., Collazuol, G., Collins, P., Comerma-Montells, A., Contu, A., Cook, A., Coombes, M., Coquereau, S., Corti, G., Corvo, M., Couturier, B., Cowan, G. A., Craik, D. C., Crocombe, A., Torres, M. Cruz, Cunliffe, S., Currie, R., D'Ambrosio, C., Dall'Occo, E., Dalseno, J., David, P. N. Y., Davis, A., Francisco, O. De Aguiar, De Bruyn, K., De Capua, S., De Cian, M., De Miranda, J. M., De Paula, L., De Simone, P., Dean, C. -T., Decamp, D., Deckenhoff, M., Del Buono, L., Déléage, N., Demmer, M., Derkach, D., Deschamps, O., Dettori, F., Dey, B., Di Canto, A., Di Ruscio, F., Dijkstra, H., Donleavy, S., Dordei, F., Dorigo, M., Suárez, A. Dosil, Dossett, D., Dovbnya, A., Dreimanis, K., Dufour, L., Dujany, G., Dupertuis, F., Durante, P., Dzhelyadin, R., Dziurda, A., Dzyuba, A., Easo, S., Egede, U., Egorychev, V., Eidelman, S., Eisenhardt, S., Eitschberger, U., Ekelhof, R., Eklund, L., Rifai, I. 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Subjects: High Energy Physics - Experiment
Abstract: The oscillation frequency, $\Delta m_d$, of $B^0$ mesons is measured using semileptonic decays with a $D^-$ or $D^{*-}$ meson in the final state, in a data sample of $pp$ collisions collected by the LHCb detector corresponding to an integrated luminosity of 3.0$\mbox{fb}^{-1}$. A combination of the two decay modes gives $\Delta m_d = (505.0 \pm 2.1 \pm 1.0) \rm \,ns^{-1}$, where the first uncertainty is statistical and the second is systematic. This is the most precise single measurement of this parameter. It is compatible with the current world average and has similar precision., Comment: All figures and tables, along with any supplementary material and additional information, are available at https://lhcbproject.web.cern.ch/lhcbproject/Publications/LHCbProjectPublic/LHCb-PAPER-2015-031.html
Published: 2016
Full Text: View/download PDF

35. Model-independent measurement of the CKM angle $\gamma$ using $B^0 \to D K^{\ast 0}$ decays with $D \to K_{S}^{0} \pi^{+} \pi^{-}$ and $K_{S}^{0} K^{+} K^{-}$

Author: Aaij, R., Beteta, C. Abellán, Adeva, B., Adinolfi, M., Ajaltouni, Z., Akar, S., Albrecht, J., Alessio, F., Alexander, M., Ali, S., Alkhazov, G., Cartelle, P. Alvarez, Alves Jr, A. A., Amato, S., Amerio, S., Amhis, Y., An, L., Anderlini, L., Andreassi, G., Andreotti, M., Andrews, J. E., Appleby, R. B., Gutierrez, O. Aquines, Archilli, F., d'Argent, P., Artamonov, A., Artuso, M., Aslanides, E., Auriemma, G., Baalouch, M., Bachmann, S., Back, J. J., Badalov, A., Baesso, C., Baker, S., Baldini, W., Barlow, R. J., Barschel, C., Barsuk, S., Barter, W., Batozskaya, V., Battista, V., Bay, A., Beaucourt, L., Beddow, J., Bedeschi, F., Bediaga, I., Bel, L. J., Bellee, V., Belloli, N., Belyaev, I., Ben-Haim, E., Bencivenni, G., Benson, S., Benton, J., Berezhnoy, A., Bernet, R., Bertolin, A., Betti, F., Bettler, M. -O., van Beuzekom, M., Bifani, S., Billoir, P., Bird, T., Birnkraut, A., Bizzeti, A., Blake, T., Blanc, F., Blouw, J., Blusk, S., Bocci, V., Bondar, A., Bondar, N., Bonivento, W., Borgheresi, A., Borghi, S., Borisyak, M., Borsato, M., Boubdir, M., Bowcock, T. J. V., Bowen, E., Bozzi, C., Braun, S., Britsch, M., Britton, T., Brodzicka, J., Buchanan, E., Burr, C., Bursche, A., Buytaert, J., Cadeddu, S., Calabrese, R., Calvi, M., Gomez, M. Calvo, Campana, P., Perez, D. Campora, Capriotti, L., Carbone, A., Carboni, G., Cardinale, R., Cardini, A., Carniti, P., Carson, L., Akiba, K. Carvalho, Casse, G., Cassina, L., Garcia, L. Castillo, Cattaneo, M., Cauet, Ch., Cavallero, G., Cenci, R., Charles, M., Charpentier, Ph., Chatzikonstantinidis, G., Chefdeville, M., Chen, S., Cheung, S. -F., Chobanova, V., Chrzaszcz, M., Vidal, X. Cid, Ciezarek, G., Clarke, P. E. L., Clemencic, M., Cliff, H. V., Closier, J., Coco, V., Cogan, J., Cogneras, E., Cogoni, V., Cojocariu, L., Collazuol, G., Collins, P., Comerma-Montells, A., Contu, A., Cook, A., Coquereau, S., Corti, G., Corvo, M., Couturier, B., Cowan, G. A., Craik, D. C., Crocombe, A., Torres, M. Cruz, Cunliffe, S., Currie, R., D'Ambrosio, C., Dall'Occo, E., Dalseno, J., David, P. N. Y., Davis, A., Francisco, O. De Aguiar, De Bruyn, K., De Capua, S., De Cian, M., De Miranda, J. M., De Paula, L., De Simone, P., Dean, C. -T., Decamp, D., Deckenhoff, M., Del Buono, L., Déléage, N., Demmer, M., Derkach, D., Deschamps, O., Dettori, F., Dey, B., Di Canto, A., Dijkstra, H., Dordei, F., Dorigo, M., Suárez, A. Dosil, Dovbnya, A., Dreimanis, K., Dufour, L., Dujany, G., Dungs, K., Durante, P., Dzhelyadin, R., Dziurda, A., Dzyuba, A., Easo, S., Egede, U., Egorychev, V., Eidelman, S., Eisenhardt, S., Eitschberger, U., Ekelhof, R., Eklund, L., Rifai, I. 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F., Koppenburg, P., Kozeiha, M., Kravchuk, L., Kreplin, K., Kreps, M., Krokovny, P., Kruse, F., Krzemien, W., Kucewicz, W., Kucharczyk, M., Kudryavtsev, V., Kuonen, A. K., Kurek, K., Kvaratskheliya, T., Lacarrere, D., Lafferty, G., Lai, A., Lambert, D., Lanfranchi, G., Langenbruch, C., Langhans, B., Latham, T., Lazzeroni, C., Gac, R. Le, van Leerdam, J., Lees, J. -P., Lefèvre, R., Leflat, A., Lefrançois, J., Cid, E. Lemos, Leroy, O., Lesiak, T., Leverington, B., Li, Y., Likhomanenko, T., Lindner, R., Linn, C., Lionetto, F., Liu, B., Liu, X., Loh, D., Longstaff, I., Lopes, J. H., Lucchesi, D., Martinez, M. Lucio, Luo, H., Lupato, A., Luppi, E., Lupton, O., Lusardi, N., Lusiani, A., Lyu, X., Machefert, F., Maciuc, F., Maev, O., Maguire, K., Malde, S., Malinin, A., Manca, G., Mancinelli, G., Manning, P., Mapelli, A., Maratas, J., Marchand, J. F., Marconi, U., Benito, C. Marin, Marino, P., Marks, J., Martellotti, G., Martin, M., Martinelli, M., Santos, D. Martinez, Vidal, F. 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Otalora, Otto, A., Owen, P., Oyanguren, A., Palano, A., Palombo, F., Palutan, M., Panman, J., Papanestis, A., Pappagallo, M., Pappalardo, L. L., Pappenheimer, C., Parker, W., Parkes, C., Passaleva, G., Patel, G. D., Patel, M., Patrignani, C., Pearce, A., Pellegrino, A., Penso, G., Altarelli, M. Pepe, Perazzini, S., Perret, P., Pescatore, L., Petridis, K., Petrolini, A., Petruzzo, M., Olloqui, E. Picatoste, Pietrzyk, B., Pikies, M., Pinci, D., Pistone, A., Piucci, A., Playfer, S., Casasus, M. Plo, Poikela, T., Polci, F., Poluektov, A., Polyakov, I., Polycarpo, E., Popov, A., Popov, D., Popovici, B., Potterat, C., Price, E., Price, J. D., Prisciandaro, J., Pritchard, A., Prouve, C., Pugatch, V., Navarro, A. Puig, Punzi, G., Qian, W., Quagliani, R., Rachwal, B., Rademacker, J. H., Rama, M., Pernas, M. Ramos, Rangel, M. S., Raniuk, I., Raven, G., Redi, F., Reichert, S., Reis, A. C. dos, Renaudin, V., Ricciardi, S., Richards, S., Rihl, M., Rinnert, K., Molina, V. Rives, Robbe, P., Rodrigues, A. B., Rodrigues, E., Lopez, J. A. Rodriguez, Perez, P. Rodriguez, Rogozhnikov, A., Roiser, S., Romanovsky, V., Vidal, A. Romero, Ronayne, J. W., Rotondo, M., Ruf, T., Valls, P. Ruiz, Silva, J. J. Saborido, Sagidova, N., Saitta, B., Guimaraes, V. Salustino, Mayordomo, C. Sanchez, Sedes, B. Sanmartin, Santacesaria, R., Rios, C. Santamarina, Santimaria, M., Santovetti, E., Sarti, A., Satriano, C., Satta, A., Saunders, D. M., Savrina, D., Schael, S., Schiller, M., Schindler, H., Schlupp, M., Schmelling, M., Schmelzer, T., Schmidt, B., Schneider, O., Schopper, A., Schubiger, M., Schune, M. -H., Schwemmer, R., Sciascia, B., Sciubba, A., Semennikov, A., Sergi, A., Serra, N., Serrano, J., Sestini, L., Seyfert, P., Shapkin, M., Shapoval, I., Shcheglov, Y., Shears, T., Shekhtman, L., Shevchenko, V., Shires, A., Siddi, B. G., Coutinho, R. Silva, de Oliveira, L. Silva, Simi, G., Sirendi, M., Skidmore, N., Skwarnicki, T., Smith, E., Smith, I. T., Smith, J., Smith, M., Snoek, H., Sokoloff, M. D., Soler, F. J. P., Soomro, F., Souza, D., De Paula, B. Souza, Spaan, B., Spradlin, P., Sridharan, S., Stagni, F., Stahl, M., Stahl, S., Stefkova, S., Steinkamp, O., Stenyakin, O., Stevenson, S., Stoica, S., Stone, S., Storaci, B., Stracka, S., Straticiuc, M., Straumann, U., Sun, L., Sutcliffe, W., Swientek, K., Swientek, S., Syropoulos, V., Szczekowski, M., Szumlak, T., T'Jampens, S., Tayduganov, A., Tekampe, T., Tellarini, G., Teubert, F., Thomas, C., Thomas, E., van Tilburg, J., Tisserand, V., Tobin, M., Tolk, S., Tomassetti, L., Tonelli, D., Topp-Joergensen, S., Tournefier, E., Tourneur, S., Trabelsi, K., Traill, M., Tran, M. T., Tresch, M., Trisovic, A., Tsaregorodtsev, A., Tsopelas, P., Tuning, N., Ukleja, A., Ustyuzhanin, A., Uwer, U., Vacca, C., Vagnoni, V., Valat, S., Valenti, G., Vallier, A., Gomez, R. Vazquez, Regueiro, P. Vazquez, Sierra, C. Vázquez, Vecchi, S., van Veghel, M., Velthuis, J. J., Veltri, M., Veneziano, G., Vesterinen, M., Viaud, B., Vieira, D., Diaz, M. Vieites, Vilasis-Cardona, X., Volkov, V., Vollhardt, A., Voong, D., Vorobyev, A., Vorobyev, V., Voß, C., de Vries, J. A., Waldi, R., Wallace, C., Wallace, R., Walsh, J., Wang, J., Ward, D. R., Watson, N. K., Websdale, D., Weiden, A., Whitehead, M., Wicht, J., Wilkinson, G., Wilkinson, M., Williams, M., Williams, M. P., Williams, T., Wilson, F. F., Wimberley, J., Wishahi, J., Wislicki, W., Witek, M., Wormser, G., Wotton, S. A., Wraight, K., Wright, S., Wyllie, K., Xie, Y., Xu, Z., Yang, Z., Yin, H., Yu, J., Yuan, X., Yushchenko, O., Zangoli, M., Zavertyaev, M., Zhang, L., Zhang, Y., Zhelezov, A., Zheng, Y., Zhokhov, A., Zhong, L., Zhukov, V., and Zucchelli, S.
Subjects: High Energy Physics - Experiment
Abstract: A binned Dalitz plot analysis of the decays $B^0 \to D K^{\ast 0}$, with $D \to K_{S}^{0} \pi^{+} \pi^{-}$ and $K_{S}^{0} K^{+} K^{-}$, is performed to measure the observables $x_\pm$ and $y_\pm$, which are related to the CKM angle $\gamma$ and the hadronic parameters of the decays. The $D$ decay strong phase variation over the Dalitz plot is taken from measurements performed at the CLEO-c experiment, making the analysis independent of the $D$ decay model. With a sample of proton-proton collision data, corresponding to an integrated luminosity of $3.0\,\rm{fb}^{-1}$, collected by the LHCb experiment, the values of the $CP$ violation parameters are found to be $x_+ = 0.05 \pm 0.35 \pm 0.02$, $x_-=-0.31\pm 0.20 \pm 0.04$, $y_+=-0.81\pm 0.28\pm 0.06$ and $y_-=0.31\pm 0.21 \pm 0.05$, where the first uncertainties are statistical and the second systematic. These observables correspond to values $\gamma$ = $(71 \pm 20)^\circ$, $r_{B^0} = 0.56\pm 0.17$ and $\delta_{B^0} = (204\,^{+21}_{-20})^\circ$. The parameters $r_{B^0}$ and $\delta_{B^0}$ are the magnitude ratio and strong phase difference between the suppressed and favoured $B^0$ decay amplitudes, and have been measured in a region of $\pm 50$ MeV/$c^2$ around the $K^{\ast}(892)^{0}$ mass and with the magnitude of the cosine of the $K^{\ast}(892)^{0}$ helicity angle larger than 0.4., Comment: All figures and tables, along with any supplementary material and additional information, are available at https://lhcbproject.web.cern.ch/lhcbproject/Publications/LHCbProjectPublic/LHCb-PAPER-2016-006.html
Published: 2016
Full Text: View/download PDF

36. Measurement of the mass and lifetime of the $\Omega_b^-$ baryon

Author: Aaij, R., Beteta, C. Abellán, Adeva, B., Adinolfi, M., Ajaltouni, Z., Akar, S., Albrecht, J., Alessio, F., Alexander, M., Ali, S., Alkhazov, G., Cartelle, P. Alvarez, Alves Jr, A. A., Amato, S., Amerio, S., Amhis, Y., An, L., Anderlini, L., Andreassi, G., Andreotti, M., Andrews, J. E., Appleby, R. B., Gutierrez, O. Aquines, Archilli, F., d'Argent, P., Artamonov, A., Artuso, M., Aslanides, E., Auriemma, G., Baalouch, M., Bachmann, S., Back, J. J., Badalov, A., Baesso, C., Baker, S., Baldini, W., Barlow, R. J., Barschel, C., Barsuk, S., Barter, W., Batozskaya, V., Battista, V., Bay, A., Beaucourt, L., Beddow, J., Bedeschi, F., Bediaga, I., Bel, L. J., Bellee, V., Belloli, N., Belyaev, I., Ben-Haim, E., Bencivenni, G., Benson, S., Benton, J., Berezhnoy, A., Bernet, R., Bertolin, A., Betti, F., Bettler, M. -O., van Beuzekom, M., Bifani, S., Billoir, P., Bird, T., Birnkraut, A., Bizzeti, A., Blake, T., Blanc, F., Blouw, J., Blusk, S., Bocci, V., Bondar, A., Bondar, N., Bonivento, W., Borgheresi, A., Borghi, S., Borisyak, M., Borsato, M., Boubdir, M., Bowcock, T. J. V., Bowen, E., Bozzi, C., Braun, S., Britsch, M., Britton, T., Brodzicka, J., Buchanan, E., Burr, C., Bursche, A., Buytaert, J., Cadeddu, S., Calabrese, R., Calvi, M., Gomez, M. Calvo, Campana, P., Perez, D. Campora, Capriotti, L., Carbone, A., Carboni, G., Cardinale, R., Cardini, A., Carniti, P., Carson, L., Akiba, K. Carvalho, Casse, G., Cassina, L., Garcia, L. Castillo, Cattaneo, M., Cauet, Ch., Cavallero, G., Cenci, R., Charles, M., Charpentier, Ph., Chatzikonstantinidis, G., Chefdeville, M., Chen, S., Cheung, S. -F., Chobanova, V., Chrzaszcz, M., Vidal, X. Cid, Ciezarek, G., Clarke, P. E. L., Clemencic, M., Cliff, H. V., Closier, J., Coco, V., Cogan, J., Cogneras, E., Cogoni, V., Cojocariu, L., Collazuol, G., Collins, P., Comerma-Montells, A., Contu, A., Cook, A., Coquereau, S., Corti, G., Corvo, M., Couturier, B., Cowan, G. A., Craik, D. C., Crocombe, A., Torres, M. Cruz, Cunliffe, S., Currie, R., D'Ambrosio, C., Dall'Occo, E., Dalseno, J., David, P. N. Y., Davis, A., Francisco, O. De Aguiar, De Bruyn, K., De Capua, S., De Cian, M., De Miranda, J. M., De Paula, L., De Simone, P., Dean, C. -T., Decamp, D., Deckenhoff, M., Del Buono, L., Déléage, N., Demmer, M., Derkach, D., Deschamps, O., Dettori, F., Dey, B., Di Canto, A., Dijkstra, H., Dordei, F., Dorigo, M., Suárez, A. Dosil, Dovbnya, A., Dreimanis, K., Dufour, L., Dujany, G., Dungs, K., Durante, P., Dzhelyadin, R., Dziurda, A., Dzyuba, A., Easo, S., Egede, U., Egorychev, V., Eidelman, S., Eisenhardt, S., Eitschberger, U., Ekelhof, R., Eklund, L., Rifai, I. El, Elsasser, Ch., Ely, S., Esen, S., Evans, H. M., Evans, T., Falabella, A., Färber, C., Farley, N., Farry, S., Fay, R., Fazzini, D., Ferguson, D., Albor, V. Fernandez, Ferrari, F., Rodrigues, F. Ferreira, Ferro-Luzzi, M., Filippov, S., Fiore, M., Fiorini, M., Firlej, M., Fitzpatrick, C., Fiutowski, T., Fleuret, F., Fohl, K., Fontana, M., Fontanelli, F., Forshaw, D. C., Forty, R., Frank, M., Frei, C., Frosini, M., Fu, J., Furfaro, E., Torreira, A. Gallas, Galli, D., Gallorini, S., Gambetta, S., Gandelman, M., Gandini, P., Gao, Y., Pardiñas, J. García, Tico, J. Garra, Garrido, L., Garsed, P. J., Gascon, D., Gaspar, C., Gavardi, L., Gazzoni, G., Gerick, D., Gersabeck, E., Gersabeck, M., Gershon, T., Ghez, Ph., Gianì, S., Gibson, V., Girard, O. G., Giubega, L., Gligorov, V. V., Göbel, C., Golubkov, D., Golutvin, A., Gomes, A., Gotti, C., Gándara, M. Grabalosa, Diaz, R. Graciani, Cardoso, L. A. Granado, Graugés, E., Graverini, E., Graziani, G., Grecu, A., Griffith, P., Grillo, L., Grünberg, O., Gushchin, E., Guz, Yu., Gys, T., Hadavizadeh, T., Hadjivasiliou, C., Haefeli, G., Haen, C., Haines, S. C., Hall, S., Hamilton, B., Han, X., Hansmann-Menzemer, S., Harnew, N., Harnew, S. T., Harrison, J., He, J., Head, T., Heister, A., Hennessy, K., Henrard, P., Henry, L., Morata, J. A. Hernando, van Herwijnen, E., Heß, M., Hicheur, A., Hill, D., Hoballah, M., Hombach, C., Hongming, L., Hulsbergen, W., Humair, T., Hushchyn, M., Hussain, N., Hutchcroft, D., Idzik, M., Ilten, P., Jacobsson, R., Jaeger, A., Jalocha, J., Jans, E., Jawahery, A., John, M., Johnson, D., Jones, C. R., Joram, C., Jost, B., Jurik, N., Kandybei, S., Kanso, W., Karacson, M., Karbach, T. M., Karodia, S., Kecke, M., Kelsey, M., Kenyon, I. R., Kenzie, M., Ketel, T., Khairullin, E., Khanji, B., Khurewathanakul, C., Kirn, T., Klaver, S., Klimaszewski, K., Kolpin, M., Komarov, I., Koopman, R. F., Koppenburg, P., Kozeiha, M., Kravchuk, L., Kreplin, K., Kreps, M., Krokovny, P., Kruse, F., Krzemien, W., Kucewicz, W., Kucharczyk, M., Kudryavtsev, V., Kuonen, A. K., Kurek, K., Kvaratskheliya, T., Lacarrere, D., Lafferty, G., Lai, A., Lambert, D., Lanfranchi, G., Langenbruch, C., Langhans, B., Latham, T., Lazzeroni, C., Gac, R. Le, van Leerdam, J., Lees, J. -P., Lefèvre, R., Leflat, A., Lefrançois, J., Cid, E. Lemos, Leroy, O., Lesiak, T., Leverington, B., Li, Y., Likhomanenko, T., Lindner, R., Linn, C., Lionetto, F., Liu, B., Liu, X., Loh, D., Longstaff, I., Lopes, J. H., Lucchesi, D., Martinez, M. Lucio, Luo, H., Lupato, A., Luppi, E., Lupton, O., Lusardi, N., Lusiani, A., Lyu, X., Machefert, F., Maciuc, F., Maev, O., Maguire, K., Malde, S., Malinin, A., Manca, G., Mancinelli, G., Manning, P., Mapelli, A., Maratas, J., Marchand, J. F., Marconi, U., Benito, C. Marin, Marino, P., Marks, J., Martellotti, G., Martin, M., Martinelli, M., Santos, D. Martinez, Vidal, F. Martinez, Tostes, D. Martins, Massacrier, L. M., Massafferri, A., Matev, R., Mathad, A., Mathe, Z., Matteuzzi, C., Mauri, A., Maurin, B., Mazurov, A., McCann, M., McCarthy, J., McNab, A., McNulty, R., Meadows, B., Meier, F., Meissner, M., Melnychuk, D., Merk, M., Merli, A, Michielin, E, Milanes, D. A., Minard, M. -N., Mitzel, D. S., Rodriguez, J. Molina, Monroy, I. A., Monteil, S., Morandin, M., Morawski, P., Mordà, A., Morello, M. J., Moron, J., Morris, A. B., Mountain, R., Muheim, F., Müller, D., Müller, J., Müller, K., Müller, V., Mussini, M., Muster, B., Naik, P., Nakada, T., Nandakumar, R., Nandi, A., Nasteva, I., Needham, M., Neri, N., Neubert, S., Neufeld, N., Neuner, M., Nguyen, A. D., Nguyen-Mau, C., Niess, V., Nieswand, S., Niet, R., Nikitin, N., Nikodem, T., Novoselov, A., O'Hanlon, D. P., Oblakowska-Mucha, A., Obraztsov, V., Ogilvy, S., Okhrimenko, O., Oldeman, R., Onderwater, C. J. G., Rodrigues, B. Osorio, Goicochea, J. M. Otalora, Otto, A., Owen, P., Oyanguren, A., Palano, A., Palombo, F., Palutan, M., Panman, J., Papanestis, A., Pappagallo, M., Pappalardo, L. L., Pappenheimer, C., Parker, W., Parkes, C., Passaleva, G., Patel, G. D., Patel, M., Patrignani, C., Pearce, A., Pellegrino, A., Penso, G., Altarelli, M. Pepe, Perazzini, S., Perret, P., Pescatore, L., Petridis, K., Petrolini, A., Petruzzo, M., Olloqui, E. Picatoste, Pietrzyk, B., Pikies, M., Pinci, D., Pistone, A., Piucci, A., Playfer, S., Casasus, M. Plo, Poikela, T., Polci, F., Poluektov, A., Polyakov, I., Polycarpo, E., Popov, A., Popov, D., Popovici, B., Potterat, C., Price, E., Price, J. D., Prisciandaro, J., Pritchard, A., Prouve, C., Pugatch, V., Navarro, A. Puig, Punzi, G., Qian, W., Quagliani, R., Rachwal, B., Rademacker, J. H., Rama, M., Pernas, M. Ramos, Rangel, M. S., Raniuk, I., Raven, G., Redi, F., Reichert, S., Reis, A. C. dos, Renaudin, V., Ricciardi, S., Richards, S., Rihl, M., Rinnert, K., Molina, V. Rives, Robbe, P., Rodrigues, A. B., Rodrigues, E., Lopez, J. A. Rodriguez, Perez, P. Rodriguez, Rogozhnikov, A., Roiser, S., Romanovsky, V., Vidal, A. Romero, Ronayne, J. W., Rotondo, M., Ruf, T., Valls, P. Ruiz, Silva, J. J. Saborido, Sagidova, N., Saitta, B., Guimaraes, V. Salustino, Mayordomo, C. Sanchez, Sedes, B. Sanmartin, Santacesaria, R., Rios, C. Santamarina, Santimaria, M., Santovetti, E., Sarti, A., Satriano, C., Satta, A., Saunders, D. M., Savrina, D., Schael, S., Schiller, M., Schindler, H., Schlupp, M., Schmelling, M., Schmelzer, T., Schmidt, B., Schneider, O., Schopper, A., Schubiger, M., Schune, M. -H., Schwemmer, R., Sciascia, B., Sciubba, A., Semennikov, A., Sergi, A., Serra, N., Serrano, J., Sestini, L., Seyfert, P., Shapkin, M., Shapoval, I., Shcheglov, Y., Shears, T., Shekhtman, L., Shevchenko, V., Shires, A., Siddi, B. G., Coutinho, R. Silva, de Oliveira, L. Silva, Simi, G., Sirendi, M., Skidmore, N., Skwarnicki, T., Smith, E., Smith, I. T., Smith, J., Smith, M., Snoek, H., Sokoloff, M. D., Soler, F. J. P., Soomro, F., Souza, D., De Paula, B. Souza, Spaan, B., Spradlin, P., Sridharan, S., Stagni, F., Stahl, M., Stahl, S., Stefkova, S., Steinkamp, O., Stenyakin, O., Stevenson, S., Stoica, S., Stone, S., Storaci, B., Stracka, S., Straticiuc, M., Straumann, U., Sun, L., Sutcliffe, W., Swientek, K., Swientek, S., Syropoulos, V., Szczekowski, M., Szumlak, T., T'Jampens, S., Tayduganov, A., Tekampe, T., Tellarini, G., Teubert, F., Thomas, C., Thomas, E., van Tilburg, J., Tisserand, V., Tobin, M., Tolk, S., Tomassetti, L., Tonelli, D., Topp-Joergensen, S., Tournefier, E., Tourneur, S., Trabelsi, K., Traill, M., Tran, M. T., Tresch, M., Trisovic, A., Tsaregorodtsev, A., Tsopelas, P., Tuning, N., Ukleja, A., Ustyuzhanin, A., Uwer, U., Vacca, C., Vagnoni, V., Valat, S., Valenti, G., Vallier, A., Gomez, R. Vazquez, Regueiro, P. Vazquez, Sierra, C. Vázquez, Vecchi, S., van Veghel, M., Velthuis, J. J., Veltri, M., Veneziano, G., Vesterinen, M., Viaud, B., Vieira, D., Diaz, M. Vieites, Vilasis-Cardona, X., Volkov, V., Vollhardt, A., Voong, D., Vorobyev, A., Vorobyev, V., Voß, C., de Vries, J. A., Waldi, R., Wallace, C., Wallace, R., Walsh, J., Wang, J., Ward, D. R., Watson, N. K., Websdale, D., Weiden, A., Whitehead, M., Wicht, J., Wilkinson, G., Wilkinson, M., Williams, M., Williams, M. P., Williams, T., Wilson, F. F., Wimberley, J., Wishahi, J., Wislicki, W., Witek, M., Wormser, G., Wotton, S. A., Wraight, K., Wright, S., Wyllie, K., Xie, Y., Xu, Z., Yang, Z., Yin, H., Yu, J., Yuan, X., Yushchenko, O., Zangoli, M., Zavertyaev, M., Zhang, L., Zhang, Y., Zhelezov, A., Zheng, Y., Zhokhov, A., Zhong, L., Zhukov, V., and Zucchelli, S.
Subjects: High Energy Physics - Experiment
Abstract: A proton-proton collision data sample, corresponding to an integrated luminosity of 3 fb$^{-1}$ collected by LHCb at $\sqrt{s}=7$ and 8 TeV, is used to reconstruct $63\pm9$ $\Omega_b^-\to\Omega_c^0\pi^-$, $\Omega_c^0\to pK^-K^-\pi^+$ decays. Using the $\Xi_b^-\to\Xi_c^0\pi^-$, $\Xi_c^0\to pK^-K^-\pi^+$ decay mode for calibration, the lifetime ratio and absolute lifetime of the $\Omega_b^-$ baryon are measured to be \begin{align*} \frac{\tau_{\Omega_b^-}}{\tau_{\Xi_b^-}} &= 1.11\pm0.16\pm0.03, \\ \tau_{\Omega_b^-} &= 1.78\pm0.26\pm0.05\pm0.06~{\rm ps}, \end{align*} where the uncertainties are statistical, systematic and from the calibration mode (for $\tau_{\Omega_b^-}$ only). A measurement is also made of the mass difference, $m_{\Omega_b^-}-m_{\Xi_b^-}$, and the corresponding $\Omega_b^-$ mass, which yields \begin{align*} m_{\Omega_b^-}-m_{\Xi_b^-} &= 247.4\pm3.2\pm0.5~{\rm MeV}/c^2, \\ m_{\Omega_b^-} &= 6045.1\pm3.2\pm 0.5\pm0.6~{\rm MeV}/c^2. \end{align*} These results are consistent with previous measurements., Comment: 11 pages, 5 figures, All figures and tables, along with any supplementary material and additional information, are available at https://lhcbproject.web.cern.ch/lhcbproject/Publications/LHCbProjectPublic/LHCb-PAPER-2016-008.html
Published: 2016
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37. Crossover phenomena of percolation transition in evolution networks with hybrid attachment

Author: Chen, X. L., Yang, C., Zhong, L. F., and Tang, M.
Subjects: Physics - Physics and Society, Computer Science - Social and Information Networks
Abstract: A first-order percolation transition, called explosive percolation, was recently discovered in evolution networks with random edge selection under a certain restriction. However, the network percolation with more realistic evolution mechanisms such as preferential attachment has not yet been concerned. We propose a tunable network percolation model by introducing a hybrid mechanism of edge selection into the Bohman-Frieze-Wormald model, in which a parameter adjusts the relative weights between random and preferential selections. A large number of simulations indicate that there exist crossover phenomena of percolation transition by adjusting the parameter in the evolution processes. When the strategy of selecting a candidate edge is dominated by random selection, a single discontinuous percolation transition occurs. When a candidate edge is selected more preferentially based on node's degree, the size of the largest component undergoes multiple discontinuous jumps, which exhibits a peculiar difference from the network percolation of random selection with a certain restriction. Besides, the percolation transition becomes continuous when the candidate edge is selected completely preferentially., Comment: 7 pages, 6 figures
Published: 2016
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38. Measurement of $C\!P$ observables in $B^\pm \rightarrow D K^\pm$ and $B^\pm \rightarrow D \pi^\pm$ with two- and four-body $D$ decays

Author: LHCb collaboration, Aaij, R., Beteta, C. Abellán, Adeva, B., Adinolfi, M., Ajaltouni, Z., Akar, S., Albrecht, J., Alessio, F., Alexander, M., Ali, S., Alkhazov, G., Cartelle, P. Alvarez, Alves Jr, A. A., Amato, S., Amerio, S., Amhis, Y., An, L., Anderlini, L., Andreassi, G., Andreotti, M., Andrews, J. E., Appleby, R. B., Gutierrez, O. Aquines, Archilli, F., d'Argent, P., Artamonov, A., Artuso, M., Aslanides, E., Auriemma, G., Baalouch, M., Bachmann, S., Back, J. J., Badalov, A., Baesso, C., Baker, S., Baldini, W., Barlow, R. J., Barschel, C., Barsuk, S., Barter, W., Batozskaya, V., Battista, V., Bay, A., Beaucourt, L., Beddow, J., Bedeschi, F., Bediaga, I., Bel, L. J., Bellee, V., Belloli, N., Belyaev, I., Ben-Haim, E., Bencivenni, G., Benson, S., Benton, J., Berezhnoy, A., Bernet, R., Bertolin, A., Betti, F., Bettler, M. -O., van Beuzekom, M., Bifani, S., Billoir, P., Bird, T., Birnkraut, A., Bizzeti, A., Blake, T., Blanc, F., Blouw, J., Blusk, S., Bocci, V., Bondar, A., Bondar, N., Bonivento, W., Borgheresi, A., Borghi, S., Borisyak, M., Borsato, M., Boubdir, M., Bowcock, T. J. V., Bowen, E., Bozzi, C., Braun, S., Britsch, M., Britton, T., Brodzicka, J., Buchanan, E., Burr, C., Bursche, A., Buytaert, J., Cadeddu, S., Calabrese, R., Calvi, M., Gomez, M. Calvo, Campana, P., Perez, D. Campora, Capriotti, L., Carbone, A., Carboni, G., Cardinale, R., Cardini, A., Carniti, P., Carson, L., Akiba, K. Carvalho, Casse, G., Cassina, L., Garcia, L. Castillo, Cattaneo, M., Cauet, Ch., Cavallero, G., Cenci, R., Charles, M., Charpentier, Ph., Chatzikonstantinidis, G., Chefdeville, M., Chen, S., Cheung, S. -F., Chrzaszcz, M., Vidal, X. Cid, Ciezarek, G., Clarke, P. E. L., Clemencic, M., Cliff, H. V., Closier, J., Coco, V., Cogan, J., Cogneras, E., Cogoni, V., Cojocariu, L., Collazuol, G., Collins, P., Comerma-Montells, A., Contu, A., Cook, A., Coombes, M., Coquereau, S., Corti, G., Corvo, M., Couturier, B., Cowan, G. A., Craik, D. C., Crocombe, A., Torres, M. Cruz, Cunliffe, S., Currie, R., D'Ambrosio, C., Dall'Occo, E., Dalseno, J., David, P. N. Y., Davis, A., Francisco, O. De Aguiar, De Bruyn, K., De Capua, S., De Cian, M., De Miranda, J. M., De Paula, L., De Simone, P., Dean, C. -T., Decamp, D., Deckenhoff, M., Del Buono, L., Déléage, N., Demmer, M., Derkach, D., Deschamps, O., Dettori, F., Dey, B., Di Canto, A., Di Ruscio, F., Dijkstra, H., Dordei, F., Dorigo, M., Suárez, A. Dosil, Dovbnya, A., Dreimanis, K., Dufour, L., Dujany, G., Dungs, K., Durante, P., Dzhelyadin, R., Dziurda, A., Dzyuba, A., Easo, S., Egede, U., Egorychev, V., Eidelman, S., Eisenhardt, S., Eitschberger, U., Ekelhof, R., Eklund, L., Rifai, I. El, Elsasser, Ch., Ely, S., Esen, S., Evans, H. M., Evans, T., Falabella, A., Färber, C., Farley, N., Farry, S., Fay, R., Fazzini, D., Ferguson, D., Albor, V. Fernandez, Ferrari, F., Rodrigues, F. Ferreira, Ferro-Luzzi, M., Filippov, S., Fiore, M., Fiorini, M., Firlej, M., Fitzpatrick, C., Fiutowski, T., Fleuret, F., Fohl, K., Fontana, M., Fontanelli, F., Forshaw, D. C., Forty, R., Frank, M., Frei, C., Frosini, M., Fu, J., Furfaro, E., Torreira, A. Gallas, Galli, D., Gallorini, S., Gambetta, S., Gandelman, M., Gandini, P., Gao, Y., Pardiñas, J. García, Tico, J. Garra, Garrido, L., Garsed, P. J., Gascon, D., Gaspar, C., Gavardi, L., Gazzoni, G., Gerick, D., Gersabeck, E., Gersabeck, M., Gershon, T., Ghez, Ph., Gianì, S., Gibson, V., Girard, O. G., Giubega, L., Gligorov, V. V., Göbel, C., Golubkov, D., Golutvin, A., Gomes, A., Gotti, C., Gándara, M. Grabalosa, Diaz, R. Graciani, Cardoso, L. A. Granado, Graugés, E., Graverini, E., Graziani, G., Grecu, A., Griffith, P., Grillo, L., Grünberg, O., Gui, B., Gushchin, E., Guz, Yu., Gys, T., Hadavizadeh, T., Hadjivasiliou, C., Haefeli, G., Haen, C., Haines, S. C., Hall, S., Hamilton, B., Han, X., Hansmann-Menzemer, S., Harnew, N., Harnew, S. T., Harrison, J., He, J., Head, T., Heister, A., Hennessy, K., Henrard, P., Henry, L., Morata, J. A. Hernando, van Herwijnen, E., Heß, M., Hicheur, A., Hill, D., Hoballah, M., Hombach, C., Hongming, L., Hulsbergen, W., Humair, T., Hushchyn, M., Hussain, N., Hutchcroft, D., Idzik, M., Ilten, P., Jacobsson, R., Jaeger, A., Jalocha, J., Jans, E., Jawahery, A., John, M., Johnson, D., Jones, C. R., Joram, C., Jost, B., Jurik, N., Kandybei, S., Kanso, W., Karacson, M., Karbach, T. M., Karodia, S., Kecke, M., Kelsey, M., Kenyon, I. R., Kenzie, M., Ketel, T., Khairullin, E., Khanji, B., Khurewathanakul, C., Kirn, T., Klaver, S., Klimaszewski, K., Kolpin, M., Komarov, I., Koopman, R. F., Koppenburg, P., Kozeiha, M., Kravchuk, L., Kreplin, K., Kreps, M., Krokovny, P., Kruse, F., Krzemien, W., Kucewicz, W., Kucharczyk, M., Kudryavtsev, V., Kuonen, A. K., Kurek, K., Kvaratskheliya, T., Lacarrere, D., Lafferty, G., Lai, A., Lambert, D., Lanfranchi, G., Langenbruch, C., Langhans, B., Latham, T., Lazzeroni, C., Gac, R. Le, van Leerdam, J., Lees, J. -P., Lefèvre, R., Leflat, A., Lefrançois, J., Cid, E. Lemos, Leroy, O., Lesiak, T., Leverington, B., Li, Y., Likhomanenko, T., Lindner, R., Linn, C., Lionetto, F., Liu, B., Liu, X., Loh, D., Longstaff, I., Lopes, J. H., Lucchesi, D., Martinez, M. Lucio, Luo, H., Lupato, A., Luppi, E., Lupton, O., Lusardi, N., Lusiani, A., Lyu, X., Machefert, F., Maciuc, F., Maev, O., Maguire, K., Malde, S., Malinin, A., Manca, G., Mancinelli, G., Manning, P., Mapelli, A., Maratas, J., Marchand, J. F., Marconi, U., Benito, C. Marin, Marino, P., Marks, J., Martellotti, G., Martin, M., Martinelli, M., Santos, D. Martinez, Vidal, F. Martinez, Tostes, D. Martins, Massacrier, L. M., Massafferri, A., Matev, R., Mathad, A., Mathe, Z., Matteuzzi, C., Mauri, A., Maurin, B., Mazurov, A., McCann, M., McCarthy, J., McNab, A., McNulty, R., Meadows, B., Meier, F., Meissner, M., Melnychuk, D., Merk, M., Merli, A, Michielin, E, Milanes, D. A., Minard, M. -N., Mitzel, D. S., Rodriguez, J. Molina, Monroy, I. A., Monteil, S., Morandin, M., Morawski, P., Mordà, A., Morello, M. J., Moron, J., Morris, A. B., Mountain, R., Muheim, F., Müller, D., Müller, J., Müller, K., Müller, V., Mussini, M., Muster, B., Naik, P., Nakada, T., Nandakumar, R., Nandi, A., Nasteva, I., Needham, M., Neri, N., Neubert, S., Neufeld, N., Neuner, M., Nguyen, A. D., Nguyen-Mau, C., Niess, V., Nieswand, S., Niet, R., Nikitin, N., Nikodem, T., Novoselov, A., O'Hanlon, D. P., Oblakowska-Mucha, A., Obraztsov, V., Ogilvy, S., Okhrimenko, O., Oldeman, R., Onderwater, C. J. G., Rodrigues, B. Osorio, Goicochea, J. M. Otalora, Otto, A., Owen, P., Oyanguren, A., Palano, A., Palombo, F., Palutan, M., Panman, J., Papanestis, A., Pappagallo, M., Pappalardo, L. L., Pappenheimer, C., Parker, W., Parkes, C., Passaleva, G., Patel, G. D., Patel, M., Patrignani, C., Pearce, A., Pellegrino, A., Penso, G., Altarelli, M. Pepe, Perazzini, S., Perret, P., Pescatore, L., Petridis, K., Petrolini, A., Petruzzo, M., Olloqui, E. Picatoste, Pietrzyk, B., Pikies, M., Pinci, D., Pistone, A., Piucci, A., Playfer, S., Casasus, M. Plo, Poikela, T., Polci, F., Poluektov, A., Polyakov, I., Polycarpo, E., Popov, A., Popov, D., Popovici, B., Potterat, C., Price, E., Price, J. D., Prisciandaro, J., Pritchard, A., Prouve, C., Pugatch, V., Navarro, A. Puig, Punzi, G., Qian, W., Quagliani, R., Rachwal, B., Rademacker, J. H., Rama, M., Pernas, M. Ramos, Rangel, M. S., Raniuk, I., Raven, G., Redi, F., Reichert, S., Reis, A. C. dos, Renaudin, V., Ricciardi, S., Richards, S., Rihl, M., Rinnert, K., Molina, V. Rives, Robbe, P., Rodrigues, A. B., Rodrigues, E., Lopez, J. A. Rodriguez, Perez, P. Rodriguez, Rogozhnikov, A., Roiser, S., Romanovsky, V., Vidal, A. Romero, Ronayne, J. W., Rotondo, M., Ruf, T., Valls, P. Ruiz, Silva, J. J. Saborido, Sagidova, N., Saitta, B., Guimaraes, V. Salustino, Mayordomo, C. Sanchez, Sedes, B. Sanmartin, Santacesaria, R., Rios, C. Santamarina, Santimaria, M., Santovetti, E., Sarti, A., Satriano, C., Satta, A., Saunders, D. M., Savrina, D., Schael, S., Schiller, M., Schindler, H., Schlupp, M., Schmelling, M., Schmelzer, T., Schmidt, B., Schneider, O., Schopper, A., Schubiger, M., Schune, M. -H., Schwemmer, R., Sciascia, B., Sciubba, A., Semennikov, A., Sergi, A., Serra, N., Serrano, J., Sestini, L., Seyfert, P., Shapkin, M., Shapoval, I., Shcheglov, Y., Shears, T., Shekhtman, L., Shevchenko, V., Shires, A., Siddi, B. G., Coutinho, R. Silva, de Oliveira, L. Silva, Simi, G., Sirendi, M., Skidmore, N., Skwarnicki, T., Smith, E., Smith, I. T., Smith, J., Smith, M., Snoek, H., Sokoloff, M. D., Soler, F. J. P., Soomro, F., Souza, D., De Paula, B. Souza, Spaan, B., Spradlin, P., Sridharan, S., Stagni, F., Stahl, M., Stahl, S., Stefkova, S., Steinkamp, O., Stenyakin, O., Stevenson, S., Stoica, S., Stone, S., Storaci, B., Stracka, S., Straticiuc, M., Straumann, U., Sun, L., Sutcliffe, W., Swientek, K., Swientek, S., Syropoulos, V., Szczekowski, M., Szumlak, T., T'Jampens, S., Tayduganov, A., Tekampe, T., Tellarini, G., Teubert, F., Thomas, C., Thomas, E., van Tilburg, J., Tisserand, V., Tobin, M., Tolk, S., Tomassetti, L., Tonelli, D., Topp-Joergensen, S., Tournefier, E., Tourneur, S., Trabelsi, K., Traill, M., Tran, M. T., Tresch, M., Trisovic, A., Tsaregorodtsev, A., Tsopelas, P., Tuning, N., Ukleja, A., Ustyuzhanin, A., Uwer, U., Vacca, C., Vagnoni, V., Valat, S., Valenti, G., Vallier, A., Gomez, R. Vazquez, Regueiro, P. Vazquez, Sierra, C. Vázquez, Vecchi, S., van Veghel, M., Velthuis, J. J., Veltri, M., Veneziano, G., Vesterinen, M., Viaud, B., Vieira, D., Diaz, M. Vieites, Vilasis-Cardona, X., Volkov, V., Vollhardt, A., Voong, D., Vorobyev, A., Vorobyev, V., Voß, C., de Vries, J. A., Waldi, R., Wallace, C., Wallace, R., Walsh, J., Wang, J., Ward, D. R., Watson, N. K., Websdale, D., Weiden, A., Whitehead, M., Wicht, J., Wilkinson, G., Wilkinson, M., Williams, M., Williams, M. P., Williams, T., Wilson, F. F., Wimberley, J., Wishahi, J., Wislicki, W., Witek, M., Wormser, G., Wotton, S. A., Wraight, K., Wright, S., Wyllie, K., Xie, Y., Xu, Z., Yang, Z., Yin, H., Yu, J., Yuan, X., Yushchenko, O., Zangoli, M., Zavertyaev, M., Zhang, L., Zhang, Y., Zhelezov, A., Zheng, Y., Zhokhov, A., Zhong, L., Zhukov, V., and Zucchelli, S.
Subjects: High Energy Physics - Experiment
Abstract: Measurements of $C\!P$ observables in $B^\pm \rightarrow D K^\pm$ and $B^\pm \rightarrow D \pi^\pm$ decays are presented where the $D$ meson is reconstructed in the final states $K^\pm\pi^\mp$, $\pi^\pm K^\mp$, $K^+K^-$, $\pi^+\pi^-$, $K^\pm\pi^\mp \pi^+ \pi^-$, $\pi^\pm K^\mp \pi^+ \pi^-$ and $\pi^+ \pi^- \pi^+ \pi^-$. This analysis uses a sample of charged $B$ mesons from $pp$ collisions collected by the LHCb experiment in 2011 and 2012, corresponding to an integrated luminosity of 3.0 fb$^{-1}$. Various \CP-violating effects are reported and together these measurements provide important input for the determination of the unitarity triangle angle $\gamma$. The analysis of the four-pion $D$ decay mode is the first of its kind., Comment: All figures and tables, along with any supplementary material and additional information, are available at https://lhcbproject.web.cern.ch/lhcbproject/Publications/LHCbProjectPublic/LHCb-PAPER-2016-003.html
Published: 2016
Full Text: View/download PDF

39. Search for $B_c^+$ decays to the $p\bar p\pi^+$ final state

Author: LHCb collaboration, Aaij, R., Beteta, C. Abellán, Adeva, B., Adinolfi, M., Ajaltouni, Z., Akar, S., Albrecht, J., Alessio, F., Alexander, M., Ali, S., Alkhazov, G., Cartelle, P. Alvarez, Alves Jr, A. A., Amato, S., Amerio, S., Amhis, Y., An, L., Anderlini, L., Andreassi, G., Andreotti, M., Andrews, J. E., Appleby, R. B., Gutierrez, O. Aquines, Archilli, F., d'Argent, P., Artamonov, A., Artuso, M., Aslanides, E., Auriemma, G., Baalouch, M., Bachmann, S., Back, J. J., Badalov, A., Baesso, C., Baker, S., Baldini, W., Barlow, R. J., Barschel, C., Barsuk, S., Barter, W., Batozskaya, V., Battista, V., Bay, A., Beaucourt, L., Beddow, J., Bedeschi, F., Bediaga, I., Bel, L. J., Bellee, V., Belloli, N., Belyaev, I., Ben-Haim, E., Bencivenni, G., Benson, S., Benton, J., Berezhnoy, A., Bernet, R., Bertolin, A., Betti, F., Bettler, M. -O., van Beuzekom, M., Bifani, S., Billoir, P., Bird, T., Birnkraut, A., Bizzeti, A., Blake, T., Blanc, F., Blouw, J., Blusk, S., Bocci, V., Bondar, A., Bondar, N., Bonivento, W., Borgheresi, A., Borghi, S., Borisyak, M., Borsato, M., Boubdir, M., Bowcock, T. J. V., Bowen, E., Bozzi, C., Braun, S., Britsch, M., Britton, T., Brodzicka, J., Buchanan, E., Burr, C., Bursche, A., Buytaert, J., Cadeddu, S., Calabrese, R., Calvi, M., Gomez, M. Calvo, Campana, P., Perez, D. Campora, Capriotti, L., Carbone, A., Carboni, G., Cardinale, R., Cardini, A., Carniti, P., Carson, L., Akiba, K. Carvalho, Casse, G., Cassina, L., Garcia, L. Castillo, Cattaneo, M., Cauet, Ch., Cavallero, G., Cenci, R., Charles, M., Charpentier, Ph., Chatzikonstantinidis, G., Chefdeville, M., Chen, S., Cheung, S. -F., Chrzaszcz, M., Vidal, X. Cid, Ciezarek, G., Clarke, P. E. L., Clemencic, M., Cliff, H. V., Closier, J., Coco, V., Cogan, J., Cogneras, E., Cogoni, V., Cojocariu, L., Collazuol, G., Collins, P., Comerma-Montells, A., Contu, A., Cook, A., Coombes, M., Coquereau, S., Corti, G., Corvo, M., Couturier, B., Cowan, G. A., Craik, D. C., Crocombe, A., Torres, M. Cruz, Cunliffe, S., Currie, R., D'Ambrosio, C., Dall'Occo, E., Dalseno, J., David, P. N. Y., Davis, A., Francisco, O. De Aguiar, De Bruyn, K., De Capua, S., De Cian, M., De Miranda, J. M., De Paula, L., De Simone, P., Dean, C. -T., Decamp, D., Deckenhoff, M., Del Buono, L., Déléage, N., Demmer, M., Derkach, D., Deschamps, O., Dettori, F., Dey, B., Di Canto, A., Di Ruscio, F., Dijkstra, H., Dordei, F., Dorigo, M., Suárez, A. Dosil, Dovbnya, A., Dreimanis, K., Dufour, L., Dujany, G., Dungs, K., Durante, P., Dzhelyadin, R., Dziurda, A., Dzyuba, A., Easo, S., Egede, U., Egorychev, V., Eidelman, S., Eisenhardt, S., Eitschberger, U., Ekelhof, R., Eklund, L., Rifai, I. El, Elsasser, Ch., Ely, S., Esen, S., Evans, H. M., Evans, T., Falabella, A., Färber, C., Farley, N., Farry, S., Fay, R., Fazzini, D., Ferguson, D., Albor, V. Fernandez, Ferrari, F., Rodrigues, F. Ferreira, Ferro-Luzzi, M., Filippov, S., Fiore, M., Fiorini, M., Firlej, M., Fitzpatrick, C., Fiutowski, T., Fleuret, F., Fohl, K., Fontana, M., Fontanelli, F., Forshaw, D. C., Forty, R., Frank, M., Frei, C., Frosini, M., Fu, J., Furfaro, E., Torreira, A. Gallas, Galli, D., Gallorini, S., Gambetta, S., Gandelman, M., Gandini, P., Gao, Y., Pardiñas, J. García, Tico, J. Garra, Garrido, L., Garsed, P. J., Gascon, D., Gaspar, C., Gavardi, L., Gazzoni, G., Gerick, D., Gersabeck, E., Gersabeck, M., Gershon, T., Ghez, Ph., Gianì, S., Gibson, V., Girard, O. G., Giubega, L., Gligorov, V. V., Göbel, C., Golubkov, D., Golutvin, A., Gomes, A., Gotti, C., Gándara, M. Grabalosa, Diaz, R. Graciani, Cardoso, L. A. Granado, Graugés, E., Graverini, E., Graziani, G., Grecu, A., Griffith, P., Grillo, L., Grünberg, O., Gui, B., Gushchin, E., Guz, Yu., Gys, T., Hadavizadeh, T., Hadjivasiliou, C., Haefeli, G., Haen, C., Haines, S. C., Hall, S., Hamilton, B., Han, X., Hansmann-Menzemer, S., Harnew, N., Harnew, S. T., Harrison, J., He, J., Head, T., Heister, A., Hennessy, K., Henrard, P., Henry, L., Morata, J. A. Hernando, van Herwijnen, E., Heß, M., Hicheur, A., Hill, D., Hoballah, M., Hombach, C., Hongming, L., Hulsbergen, W., Humair, T., Hushchyn, M., Hussain, N., Hutchcroft, D., Idzik, M., Ilten, P., Jacobsson, R., Jaeger, A., Jalocha, J., Jans, E., Jawahery, A., John, M., Johnson, D., Jones, C. R., Joram, C., Jost, B., Jurik, N., Kandybei, S., Kanso, W., Karacson, M., Karbach, T. M., Karodia, S., Kecke, M., Kelsey, M., Kenyon, I. R., Kenzie, M., Ketel, T., Khairullin, E., Khanji, B., Khurewathanakul, C., Kirn, T., Klaver, S., Klimaszewski, K., Kolpin, M., Komarov, I., Koopman, R. F., Koppenburg, P., Kozeiha, M., Kravchuk, L., Kreplin, K., Kreps, M., Krokovny, P., Kruse, F., Krzemien, W., Kucewicz, W., Kucharczyk, M., Kudryavtsev, V., Kuonen, A. K., Kurek, K., Kvaratskheliya, T., Lacarrere, D., Lafferty, G., Lai, A., Lambert, D., Lanfranchi, G., Langenbruch, C., Langhans, B., Latham, T., Lazzeroni, C., Gac, R. Le, van Leerdam, J., Lees, J. -P., Lefèvre, R., Leflat, A., Lefrançois, J., Cid, E. Lemos, Leroy, O., Lesiak, T., Leverington, B., Li, Y., Likhomanenko, T., Lindner, R., Linn, C., Lionetto, F., Liu, B., Liu, X., Loh, D., Longstaff, I., Lopes, J. H., Lucchesi, D., Martinez, M. Lucio, Luo, H., Lupato, A., Luppi, E., Lupton, O., Lusardi, N., Lusiani, A., Lyu, X., Machefert, F., Maciuc, F., Maev, O., Maguire, K., Malde, S., Malinin, A., Manca, G., Mancinelli, G., Manning, P., Mapelli, A., Maratas, J., Marchand, J. F., Marconi, U., Benito, C. Marin, Marino, P., Marks, J., Martellotti, G., Martin, M., Martinelli, M., Santos, D. Martinez, Vidal, F. Martinez, Tostes, D. Martins, Massacrier, L. M., Massafferri, A., Matev, R., Mathad, A., Mathe, Z., Matteuzzi, C., Mauri, A., Maurin, B., Mazurov, A., McCann, M., McCarthy, J., McNab, A., McNulty, R., Meadows, B., Meier, F., Meissner, M., Melnychuk, D., Merk, M., Merli, A, Michielin, E, Milanes, D. A., Minard, M. -N., Mitzel, D. S., Rodriguez, J. Molina, Monroy, I. A., Monteil, S., Morandin, M., Morawski, P., Mordà, A., Morello, M. J., Moron, J., Morris, A. B., Mountain, R., Muheim, F., Müller, D., Müller, J., Müller, K., Müller, V., Mussini, M., Muster, B., Naik, P., Nakada, T., Nandakumar, R., Nandi, A., Nasteva, I., Needham, M., Neri, N., Neubert, S., Neufeld, N., Neuner, M., Nguyen, A. D., Nguyen-Mau, C., Niess, V., Nieswand, S., Niet, R., Nikitin, N., Nikodem, T., Novoselov, A., O'Hanlon, D. P., Oblakowska-Mucha, A., Obraztsov, V., Ogilvy, S., Okhrimenko, O., Oldeman, R., Onderwater, C. J. G., Rodrigues, B. Osorio, Goicochea, J. M. Otalora, Otto, A., Owen, P., Oyanguren, A., Palano, A., Palombo, F., Palutan, M., Panman, J., Papanestis, A., Pappagallo, M., Pappalardo, L. L., Pappenheimer, C., Parker, W., Parkes, C., Passaleva, G., Patel, G. D., Patel, M., Patrignani, C., Pearce, A., Pellegrino, A., Penso, G., Altarelli, M. Pepe, Perazzini, S., Perret, P., Pescatore, L., Petridis, K., Petrolini, A., Petruzzo, M., Olloqui, E. Picatoste, Pietrzyk, B., Pikies, M., Pinci, D., Pistone, A., Piucci, A., Playfer, S., Casasus, M. Plo, Poikela, T., Polci, F., Poluektov, A., Polyakov, I., Polycarpo, E., Popov, A., Popov, D., Popovici, B., Potterat, C., Price, E., Price, J. D., Prisciandaro, J., Pritchard, A., Prouve, C., Pugatch, V., Navarro, A. Puig, Punzi, G., Qian, W., Quagliani, R., Rachwal, B., Rademacker, J. H., Rama, M., Pernas, M. Ramos, Rangel, M. S., Raniuk, I., Raven, G., Redi, F., Reichert, S., Reis, A. C. dos, Renaudin, V., Ricciardi, S., Richards, S., Rihl, M., Rinnert, K., Molina, V. Rives, Robbe, P., Rodrigues, A. B., Rodrigues, E., Lopez, J. A. Rodriguez, Perez, P. Rodriguez, Rogozhnikov, A., Roiser, S., Romanovsky, V., Vidal, A. Romero, Ronayne, J. W., Rotondo, M., Ruf, T., Valls, P. Ruiz, Silva, J. J. Saborido, Sagidova, N., Saitta, B., Guimaraes, V. Salustino, Mayordomo, C. Sanchez, Sedes, B. Sanmartin, Santacesaria, R., Rios, C. Santamarina, Santimaria, M., Santovetti, E., Sarti, A., Satriano, C., Satta, A., Saunders, D. M., Savrina, D., Schael, S., Schiller, M., Schindler, H., Schlupp, M., Schmelling, M., Schmelzer, T., Schmidt, B., Schneider, O., Schopper, A., Schubiger, M., Schune, M. -H., Schwemmer, R., Sciascia, B., Sciubba, A., Semennikov, A., Sergi, A., Serra, N., Serrano, J., Sestini, L., Seyfert, P., Shapkin, M., Shapoval, I., Shcheglov, Y., Shears, T., Shekhtman, L., Shevchenko, V., Shires, A., Siddi, B. G., Coutinho, R. Silva, de Oliveira, L. Silva, Simi, G., Sirendi, M., Skidmore, N., Skwarnicki, T., Smith, E., Smith, I. T., Smith, J., Smith, M., Snoek, H., Sokoloff, M. D., Soler, F. J. P., Soomro, F., Souza, D., De Paula, B. Souza, Spaan, B., Spradlin, P., Sridharan, S., Stagni, F., Stahl, M., Stahl, S., Stefkova, S., Steinkamp, O., Stenyakin, O., Stevenson, S., Stoica, S., Stone, S., Storaci, B., Stracka, S., Straticiuc, M., Straumann, U., Sun, L., Sutcliffe, W., Swientek, K., Swientek, S., Syropoulos, V., Szczekowski, M., Szumlak, T., T'Jampens, S., Tayduganov, A., Tekampe, T., Tellarini, G., Teubert, F., Thomas, C., Thomas, E., van Tilburg, J., Tisserand, V., Tobin, M., Tolk, S., Tomassetti, L., Tonelli, D., Topp-Joergensen, S., Tournefier, E., Tourneur, S., Trabelsi, K., Traill, M., Tran, M. T., Tresch, M., Trisovic, A., Tsaregorodtsev, A., Tsopelas, P., Tuning, N., Ukleja, A., Ustyuzhanin, A., Uwer, U., Vacca, C., Vagnoni, V., Valat, S., Valenti, G., Vallier, A., Gomez, R. Vazquez, Regueiro, P. Vazquez, Sierra, C. Vázquez, Vecchi, S., van Veghel, M., Velthuis, J. J., Veltri, M., Veneziano, G., Vesterinen, M., Viaud, B., Vieira, D., Diaz, M. Vieites, Vilasis-Cardona, X., Volkov, V., Vollhardt, A., Voong, D., Vorobyev, A., Vorobyev, V., Voß, C., de Vries, J. A., Waldi, R., Wallace, C., Wallace, R., Walsh, J., Wang, J., Ward, D. R., Watson, N. K., Websdale, D., Weiden, A., Whitehead, M., Wicht, J., Wilkinson, G., Wilkinson, M., Williams, M., Williams, M. P., Williams, T., Wilson, F. F., Wimberley, J., Wishahi, J., Wislicki, W., Witek, M., Wormser, G., Wotton, S. A., Wraight, K., Wright, S., Wyllie, K., Xie, Y., Xu, Z., Yang, Z., Yin, H., Yu, J., Yuan, X., Yushchenko, O., Zangoli, M., Zavertyaev, M., Zhang, L., Zhang, Y., Zhelezov, A., Zheng, Y., Zhokhov, A., Zhong, L., Zhukov, V., and Zucchelli, S.
Subjects: High Energy Physics - Experiment
Abstract: A search for the decays of the $B_c^+$ meson to $p\bar p\pi^+$ is performed for the first time using a data sample corresponding to an integrated luminosity of 3.0 $\mathrm{fb}^{-1}$ collected by the LHCb experiment in $pp$ collisions at centre-of-mass energies of $7$ and $8$ TeV. No signal is found and an upper limit, at 95\% confidence level, is set, $\frac{f_c}{f_u}\times\mathcal{B}(B_c^+\to p\bar p\pi^+)<3.6\times10^{-8}$ in the kinematic region $m(p\bar p)<2.85\mathrm{\,Ge\kern -0.1em V\!/}c^2$, $p_{\rm T}(B)<20\mathrm{\,Ge\kern -0.1em V\!/}c$ and $2.0
Published: 2016
Full Text: View/download PDF

40. Observation of $ \Lambda_b^0 \to \psi(2S)pK^-$ and $ \Lambda_b^0 \to J/\psi \pi^+ \pi^- pK^-$ decays and a measurement of the $\Lambda_b^0$ baryon mass

Author: LHCb collaboration, Aaij, R., Beteta, C. Abellán, Adeva, B., Adinolfi, M., Affolder, A., Ajaltouni, Z., Akar, S., Albrecht, J., Alessio, F., Alexander, M., Ali, S., Alkhazov, G., Cartelle, P. Alvarez, Alves Jr, A. A., Amato, S., Amerio, S., Amhis, Y., An, L., Anderlini, L., Andreassi, G., Andreotti, M., Andrews, J. E., Appleby, R. B., Gutierrez, O. Aquines, Archilli, F., d'Argent, P., Artamonov, A., Artuso, M., Aslanides, E., Auriemma, G., Baalouch, M., Bachmann, S., Back, J. J., Badalov, A., Baesso, C., Baldini, W., Barlow, R. J., Barschel, C., Barsuk, S., Barter, W., Batozskaya, V., Battista, V., Bay, A., Beaucourt, L., Beddow, J., Bedeschi, F., Bediaga, I., Bel, L. J., Bellee, V., Belloli, N., Belyaev, I., Ben-Haim, E., Bencivenni, G., Benson, S., Benton, J., Berezhnoy, A., Bernet, R., Bertolin, A., Betti, F., Bettler, M. -O., van Beuzekom, M., Bifani, S., Billoir, P., Bird, T., Birnkraut, A., Bizzeti, A., Blake, T., Blanc, F., Blouw, J., Blusk, S., Bocci, V., Bondar, A., Bondar, N., Bonivento, W., Borgheresi, A., Borghi, S., Borisyak, M., Borsato, M., Bowcock, T. J. V., Bowen, E., Bozzi, C., Braun, S., Britsch, M., Britton, T., Brodzicka, J., Brook, N. H., Buchanan, E., Burr, C., Bursche, A., Buytaert, J., Cadeddu, S., Calabrese, R., Calvi, M., Gomez, M. Calvo, Campana, P., Perez, D. Campora, Capriotti, L., Carbone, A., Carboni, G., Cardinale, R., Cardini, A., Carniti, P., Carson, L., Akiba, K. Carvalho, Casse, G., Cassina, L., Garcia, L. Castillo, Cattaneo, M., Cauet, Ch., Cavallero, G., Cenci, R., Charles, M., Charpentier, Ph., Chatzikonstantinidis, G., Chefdeville, M., Chen, S., Cheung, S. -F., Chiapolini, N., Chrzaszcz, M., Vidal, X. Cid, Ciezarek, G., Clarke, P. E. L., Clemencic, M., Cliff, H. V., Closier, J., Coco, V., Cogan, J., Cogneras, E., Cogoni, V., Cojocariu, L., Collazuol, G., Collins, P., Comerma-Montells, A., Contu, A., Cook, A., Coombes, M., Coquereau, S., Corti, G., Corvo, M., Couturier, B., Cowan, G. A., Craik, D. C., Crocombe, A., Torres, M. Cruz, Cunliffe, S., Currie, R., D'Ambrosio, C., Dall'Occo, E., Dalseno, J., David, P. N. Y., Davis, A., Francisco, O. De Aguiar, De Bruyn, K., De Capua, S., De Cian, M., De Miranda, J. M., De Paula, L., De Simone, P., Dean, C. -T., Decamp, D., Deckenhoff, M., Del Buono, L., Déléage, N., Demmer, M., Derkach, D., Deschamps, O., Dettori, F., Dey, B., Di Canto, A., Di Ruscio, F., Dijkstra, H., Donleavy, S., Dordei, F., Dorigo, M., Suárez, A. Dosil, Dovbnya, A., Dreimanis, K., Dufour, L., Dujany, G., Dungs, K., Durante, P., Dzhelyadin, R., Dziurda, A., Dzyuba, A., Easo, S., Egede, U., Egorychev, V., Eidelman, S., Eisenhardt, S., Eitschberger, U., Ekelhof, R., Eklund, L., Rifai, I. El, Elsasser, Ch., Ely, S., Esen, S., Evans, H. M., Evans, T., Falabella, A., Färber, C., Farley, N., Farry, S., Fay, R., Fazzini, D., Ferguson, D., Albor, V. Fernandez, Ferrari, F., Rodrigues, F. Ferreira, Ferro-Luzzi, M., Filippov, S., Fiore, M., Fiorini, M., Firlej, M., Fitzpatrick, C., Fiutowski, T., Fleuret, F., Fohl, K., Fontana, M., Fontanelli, F., Forshaw, D. C., Forty, R., Frank, M., Frei, C., Frosini, M., Fu, J., Furfaro, E., Torreira, A. Gallas, Galli, D., Gallorini, S., Gambetta, S., Gandelman, M., Gandini, P., Gao, Y., Pardiñas, J. García, Tico, J. Garra, Garrido, L., Gascon, D., Gaspar, C., Gavardi, L., Gazzoni, G., Gerick, D., Gersabeck, E., Gersabeck, M., Gershon, T., Ghez, Ph., Gianì, S., Gibson, V., Girard, O. G., Giubega, L., Gligorov, V. V., Göbel, C., Golubkov, D., Golutvin, A., Gomes, A., Gotti, C., Gándara, M. Grabalosa, Diaz, R. Graciani, Cardoso, L. A. Granado, Graugés, E., Graverini, E., Graziani, G., Grecu, A., Griffith, P., Grillo, L., Grünberg, O., Gui, B., Gushchin, E., Guz, Yu., Gys, T., Hadavizadeh, T., Hadjivasiliou, C., Haefeli, G., Haen, C., Haines, S. C., Hall, S., Hamilton, B., Han, X., Hansmann-Menzemer, S., Harnew, N., Harnew, S. T., Harrison, J., He, J., Head, T., Heijne, V., Heister, A., Hennessy, K., Henrard, P., Henry, L., Morata, J. A. Hernando, van Herwijnen, E., Heß, M., Hicheur, A., Hill, D., Hoballah, M., Hombach, C., Hongming, L., Hulsbergen, W., Humair, T., Hushchyn, M., Hussain, N., Hutchcroft, D., Idzik, M., Ilten, P., Jacobsson, R., Jaeger, A., Jalocha, J., Jans, E., Jawahery, A., John, M., Johnson, D., Jones, C. R., Joram, C., Jost, B., Jurik, N., Kandybei, S., Kanso, W., Karacson, M., Karbach, T. M., Karodia, S., Kecke, M., Kelsey, M., Kenyon, I. R., Kenzie, M., Ketel, T., Khairullin, E., Khanji, B., Khurewathanakul, C., Kirn, T., Klaver, S., Klimaszewski, K., Kochebina, O., Kolpin, M., Komarov, I., Koopman, R. F., Koppenburg, P., Kozeiha, M., Kravchuk, L., Kreplin, K., Kreps, M., Krokovny, P., Kruse, F., Krzemien, W., Kucewicz, W., Kucharczyk, M., Kudryavtsev, V., Kuonen, A. K., Kurek, K., Kvaratskheliya, T., Lacarrere, D., Lafferty, G., Lai, A., Lambert, D., Lanfranchi, G., Langenbruch, C., Langhans, B., Latham, T., Lazzeroni, C., Gac, R. Le, van Leerdam, J., Lees, J. -P., Lefèvre, R., Leflat, A., Lefrançois, J., Cid, E. Lemos, Leroy, O., Lesiak, T., Leverington, B., Li, Y., Likhomanenko, T., Liles, M., Lindner, R., Linn, C., Lionetto, F., Liu, B., Liu, X., Loh, D., Longstaff, I., Lopes, J. H., Lucchesi, D., Martinez, M. Lucio, Luo, H., Lupato, A., Luppi, E., Lupton, O., Lusardi, N., Lusiani, A., Machefert, F., Maciuc, F., Maev, O., Maguire, K., Malde, S., Malinin, A., Manca, G., Mancinelli, G., Manning, P., Mapelli, A., Maratas, J., Marchand, J. F., Marconi, U., Benito, C. Marin, Marino, P., Marks, J., Martellotti, G., Martin, M., Martinelli, M., Santos, D. Martinez, Vidal, F. Martinez, Tostes, D. Martins, Massacrier, L. M., Massafferri, A., Matev, R., Mathad, A., Mathe, Z., Matteuzzi, C., Mauri, A., Maurin, B., Mazurov, A., McCann, M., McCarthy, J., McNab, A., McNulty, R., Meadows, B., Meier, F., Meissner, M., Melnychuk, D., Merk, M., Merli, A, Michielin, E, Milanes, D. A., Minard, M. -N., Mitzel, D. S., Rodriguez, J. Molina, Monroy, I. A., Monteil, S., Morandin, M., Morawski, P., Mordà, A., Morello, M. J., Moron, J., Morris, A. B., Mountain, R., Muheim, F., Müller, D., Müller, J., Müller, K., Müller, V., Mussini, M., Muster, B., Naik, P., Nakada, T., Nandakumar, R., Nandi, A., Nasteva, I., Needham, M., Neri, N., Neubert, S., Neufeld, N., Neuner, M., Nguyen, A. D., Nguyen-Mau, C., Niess, V., Nieswand, S., Niet, R., Nikitin, N., Nikodem, T., Novoselov, A., O'Hanlon, D. P., Oblakowska-Mucha, A., Obraztsov, V., Ogilvy, S., Okhrimenko, O., Oldeman, R., Onderwater, C. J. G., Rodrigues, B. Osorio, Goicochea, J. M. Otalora, Otto, A., Owen, P., Oyanguren, A., Palano, A., Palombo, F., Palutan, M., Panman, J., Papanestis, A., Pappagallo, M., Pappalardo, L. L., Pappenheimer, C., Parker, W., Parkes, C., Passaleva, G., Patel, G. D., Patel, M., Patrignani, C., Pearce, A., Pellegrino, A., Penso, G., Altarelli, M. Pepe, Perazzini, S., Perret, P., Pescatore, L., Petridis, K., Petrolini, A., Petruzzo, M., Olloqui, E. Picatoste, Pietrzyk, B., Pikies, M., Pinci, D., Pistone, A., Piucci, A., Playfer, S., Casasus, M. Plo, Poikela, T., Polci, F., Poluektov, A., Polyakov, I., Polycarpo, E., Popov, A., Popov, D., Popovici, B., Potterat, C., Price, E., Price, J. D., Prisciandaro, J., Pritchard, A., Prouve, C., Pugatch, V., Navarro, A. Puig, Punzi, G., Qian, W., Quagliani, R., Rachwal, B., Rademacker, J. H., Rama, M., Pernas, M. Ramos, Rangel, M. S., Raniuk, I., Raven, G., Redi, F., Reichert, S., Reis, A. C. dos, Renaudin, V., Ricciardi, S., Richards, S., Rihl, M., Rinnert, K., Molina, V. Rives, Robbe, P., Rodrigues, A. B., Rodrigues, E., Lopez, J. A. Rodriguez, Perez, P. Rodriguez, Rogozhnikov, A., Roiser, S., Romanovsky, V., Vidal, A. Romero, Ronayne, J. W., Rotondo, M., Ruf, T., Valls, P. Ruiz, Silva, J. J. Saborido, Sagidova, N., Saitta, B., Guimaraes, V. Salustino, Mayordomo, C. Sanchez, Sedes, B. Sanmartin, Santacesaria, R., Rios, C. Santamarina, Santimaria, M., Santovetti, E., Sarti, A., Satriano, C., Satta, A., Saunders, D. M., Savrina, D., Schael, S., Schiller, M., Schindler, H., Schlupp, M., Schmelling, M., Schmelzer, T., Schmidt, B., Schneider, O., Schopper, A., Schubiger, M., Schune, M. -H., Schwemmer, R., Sciascia, B., Sciubba, A., Semennikov, A., Sergi, A., Serra, N., Serrano, J., Sestini, L., Seyfert, P., Shapkin, M., Shapoval, I., Shcheglov, Y., Shears, T., Shekhtman, L., Shevchenko, V., Shires, A., Siddi, B. G., Coutinho, R. Silva, de Oliveira, L. Silva, Simi, G., Sirendi, M., Skidmore, N., Skwarnicki, T., Smith, E., Smith, I. T., Smith, J., Smith, M., Snoek, H., Sokoloff, M. D., Soler, F. J. P., Soomro, F., Souza, D., De Paula, B. Souza, Spaan, B., Spradlin, P., Sridharan, S., Stagni, F., Stahl, M., Stahl, S., Stefkova, S., Steinkamp, O., Stenyakin, O., Stevenson, S., Stoica, S., Stone, S., Storaci, B., Stracka, S., Straticiuc, M., Straumann, U., Sun, L., Sutcliffe, W., Swientek, K., Swientek, S., Syropoulos, V., Szczekowski, M., Szumlak, T., T'Jampens, S., Tayduganov, A., Tekampe, T., Tellarini, G., Teubert, F., Thomas, C., Thomas, E., van Tilburg, J., Tisserand, V., Tobin, M., Todd, J., Tolk, S., Tomassetti, L., Tonelli, D., Topp-Joergensen, S., Tournefier, E., Tourneur, S., Trabelsi, K., Traill, M., Tran, M. T., Tresch, M., Trisovic, A., Tsaregorodtsev, A., Tsopelas, P., Tuning, N., Ukleja, A., Ustyuzhanin, A., Uwer, U., Vacca, C., Vagnoni, V., Valenti, G., Vallier, A., Gomez, R. Vazquez, Regueiro, P. Vazquez, Sierra, C. Vázquez, Vecchi, S., van Veghel, M., Velthuis, J. J., Veltri, M., Veneziano, G., Vesterinen, M., Viaud, B., Vieira, D., Diaz, M. Vieites, Vilasis-Cardona, X., Volkov, V., Vollhardt, A., Voong, D., Vorobyev, A., Vorobyev, V., Voß, C., de Vries, J. A., Waldi, R., Wallace, C., Wallace, R., Walsh, J., Wang, J., Ward, D. R., Watson, N. K., Websdale, D., Weiden, A., Whitehead, M., Wicht, J., Wilkinson, G., Wilkinson, M., Williams, M., Williams, M. P., Williams, T., Wilson, F. F., Wimberley, J., Wishahi, J., Wislicki, W., Witek, M., Wormser, G., Wotton, S. A., Wraight, K., Wright, S., Wyllie, K., Xie, Y., Xu, Z., Yang, Z., Yin, H., Yu, J., Yuan, X., Yushchenko, O., Zangoli, M., Zavertyaev, M., Zhang, L., Zhang, Y., Zhelezov, A., Zheng, Y., Zhokhov, A., Zhong, L., Zhukov, V., and Zucchelli, S.
Subjects: High Energy Physics - Experiment
Abstract: The decays $ \Lambda_b^0 \to \psi(2S)pK^-$ and $ \Lambda_b^0 \to J/\psi \pi^+ \pi^- pK^-$ are observed in a data sample corresponding to an integrated luminosity of 3fb$^{-1}$, collected in proton-proton collisions at 7 and 8TeV centre-of-mass energies by the LHCb detector. The $\psi(2S)$ mesons are reconstructed through the decay modes $\psi(2S)\to\mu^+\mu^-$ and $\psi(2S)\to J/\psi\pi^+\pi^-$. The branching fractions relative to that of $ \Lambda_b^0 \to J/\psi pK^-$ are measured to be \begin{eqnarray*} \frac{\mathcal{B}(\Lambda_b^0 \to \psi(2S) pK^-)} {\mathcal{B}(\Lambda_b^0 \to J/\psi pK^-)} & = & (20.70\pm 0.76\pm 0.46\pm 0.37)\times10^{-2} \,, \frac{\mathcal{B}(\Lambda_b^0 \to J/\psi \pi^+ \pi^- pK^-)} {\mathcal{B}(\Lambda_b^0 \to J/\psi pK^-)} & = & (20.86\pm 0.96\pm 1.34)\times10^{-2} \,, \end{eqnarray*} where the first uncertainties are statistical, the second are systematic and the third is related to the knowledge of $J/\psi$ and $\psi(2S)$ branching fractions. The mass of the $\Lambda_b^0$ baryon is measured to be $$ M(\Lambda_b^0) = 5619.65 \pm 0.17 \pm 0.17\mathrm{MeV}/c^2,$$ where the uncertainties are statistical and systematic., Comment: 21 pages, 6 figures. All figures and tables, along with any supplementary material and additional information, are available at https://lhcbproject.web.cern.ch/lhcbproject/Publications/LHCbProjectPublic/LHCb-PAPER-2015-060.html
Published: 2016
Full Text: View/download PDF

41. Search for violations of Lorentz invariance and $ CPT$ symmetry in $ B^0_{(s)}$ mixing

Author: LHCb collaboration, Aaij, R., Beteta, C. Abellán, Adeva, B., Adinolfi, M., Ajaltouni, Z., Akar, S., Albrecht, J., Alessio, F., Alexander, M., Ali, S., Alkhazov, G., Cartelle, P. Alvarez, Alves Jr, A. A., Amato, S., Amerio, S., Amhis, Y., An, L., Anderlini, L., Andreassi, G., Andreotti, M., Andrews, J. E., Appleby, R. B., Gutierrez, O. Aquines, Archilli, F., d'Argent, P., Artamonov, A., Artuso, M., Aslanides, E., Auriemma, G., Baalouch, M., Bachmann, S., Back, J. J., Badalov, A., Baesso, C., Baker, S., Baldini, W., Barlow, R. J., Barschel, C., Barsuk, S., Barter, W., Batozskaya, V., Battista, V., Bay, A., Beaucourt, L., Beddow, J., Bedeschi, F., Bediaga, I., Bel, L. J., Bellee, V., Belloli, N., Belyaev, I., Ben-Haim, E., Bencivenni, G., Benson, S., Benton, J., Berezhnoy, A., Bernet, R., Bertolin, A., Betti, F., Bettler, M. -O., van Beuzekom, M., Bifani, S., Billoir, P., Bird, T., Birnkraut, A., Bizzeti, A., Blake, T., Blanc, F., Blouw, J., Blusk, S., Bocci, V., Bondar, A., Bondar, N., Bonivento, W., Borgheresi, A., Borghi, S., Borisyak, M., Borsato, M., Boubdir, M., Bowcock, T. J. V., Bowen, E., Bozzi, C., Braun, S., Britsch, M., Britton, T., Brodzicka, J., Buchanan, E., Burr, C., Bursche, A., Buytaert, J., Cadeddu, S., Calabrese, R., Calvi, M., Gomez, M. Calvo, Campana, P., Perez, D. Campora, Capriotti, L., Carbone, A., Carboni, G., Cardinale, R., Cardini, A., Carniti, P., Carson, L., Akiba, K. Carvalho, Casse, G., Cassina, L., Garcia, L. Castillo, Cattaneo, M., Cauet, Ch., Cavallero, G., Cenci, R., Charles, M., Charpentier, Ph., Chatzikonstantinidis, G., Chefdeville, M., Chen, S., Cheung, S. -F., Chrzaszcz, M., Vidal, X. Cid, Ciezarek, G., Clarke, P. E. L., Clemencic, M., Cliff, H. V., Closier, J., Coco, V., Cogan, J., Cogneras, E., Cogoni, V., Cojocariu, L., Collazuol, G., Collins, P., Comerma-Montells, A., Contu, A., Cook, A., Coombes, M., Coquereau, S., Corti, G., Corvo, M., Couturier, B., Cowan, G. A., Craik, D. C., Crocombe, A., Torres, M. Cruz, Cunliffe, S., Currie, R., D'Ambrosio, C., Dall'Occo, E., Dalseno, J., David, P. N. Y., Davis, A., Francisco, O. De Aguiar, De Bruyn, K., De Capua, S., De Cian, M., De Miranda, J. M., De Paula, L., De Simone, P., Dean, C. -T., Decamp, D., Deckenhoff, M., Del Buono, L., Déléage, N., Demmer, M., Derkach, D., Deschamps, O., Dettori, F., Dey, B., Di Canto, A., Di Ruscio, F., Dijkstra, H., Dordei, F., Dorigo, M., Suárez, A. 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B., Mountain, R., Muheim, F., Müller, D., Müller, J., Müller, K., Müller, V., Mussini, M., Muster, B., Naik, P., Nakada, T., Nandakumar, R., Nandi, A., Nasteva, I., Needham, M., Neri, N., Neubert, S., Neufeld, N., Neuner, M., Nguyen, A. D., Nguyen-Mau, C., Niess, V., Nieswand, S., Niet, R., Nikitin, N., Nikodem, T., Novoselov, A., O'Hanlon, D. P., Oblakowska-Mucha, A., Obraztsov, V., Ogilvy, S., Okhrimenko, O., Oldeman, R., Onderwater, C. J. G., Rodrigues, B. Osorio, Goicochea, J. M. Otalora, Otto, A., Owen, P., Oyanguren, A., Palano, A., Palombo, F., Palutan, M., Panman, J., Papanestis, A., Pappagallo, M., Pappalardo, L. L., Pappenheimer, C., Parker, W., Parkes, C., Passaleva, G., Patel, G. D., Patel, M., Patrignani, C., Pearce, A., Pellegrino, A., Penso, G., Altarelli, M. Pepe, Perazzini, S., Perret, P., Pescatore, L., Petridis, K., Petrolini, A., Petruzzo, M., Olloqui, E. Picatoste, Pietrzyk, B., Pikies, M., Pinci, D., Pistone, A., Piucci, A., Playfer, S., Casasus, M. Plo, Poikela, T., Polci, F., Poluektov, A., Polyakov, I., Polycarpo, E., Popov, A., Popov, D., Popovici, B., Potterat, C., Price, E., Price, J. D., Prisciandaro, J., Pritchard, A., Prouve, C., Pugatch, V., Navarro, A. Puig, Punzi, G., Qian, W., Quagliani, R., Rachwal, B., Rademacker, J. H., Rama, M., Pernas, M. Ramos, Rangel, M. S., Raniuk, I., Raven, G., Redi, F., Reichert, S., Reis, A. C. dos, Renaudin, V., Ricciardi, S., Richards, S., Rihl, M., Rinnert, K., Molina, V. Rives, Robbe, P., Rodrigues, A. B., Rodrigues, E., Lopez, J. A. Rodriguez, Perez, P. Rodriguez, Rogozhnikov, A., Roiser, S., Romanovsky, V., Vidal, A. Romero, Ronayne, J. W., Rotondo, M., Ruf, T., Valls, P. Ruiz, Silva, J. J. Saborido, Sagidova, N., Saitta, B., Guimaraes, V. Salustino, Mayordomo, C. Sanchez, Sedes, B. Sanmartin, Santacesaria, R., Rios, C. Santamarina, Santimaria, M., Santovetti, E., Sarti, A., Satriano, C., Satta, A., Saunders, D. M., Savrina, D., Schael, S., Schiller, M., Schindler, H., Schlupp, M., Schmelling, M., Schmelzer, T., Schmidt, B., Schneider, O., Schopper, A., Schubiger, M., Schune, M. -H., Schwemmer, R., Sciascia, B., Sciubba, A., Semennikov, A., Sergi, A., Serra, N., Serrano, J., Sestini, L., Seyfert, P., Shapkin, M., Shapoval, I., Shcheglov, Y., Shears, T., Shekhtman, L., Shevchenko, V., Shires, A., Siddi, B. G., Coutinho, R. Silva, de Oliveira, L. Silva, Simi, G., Sirendi, M., Skidmore, N., Skwarnicki, T., Smith, E., Smith, I. T., Smith, J., Smith, M., Snoek, H., Sokoloff, M. D., Soler, F. J. P., Soomro, F., Souza, D., De Paula, B. Souza, Spaan, B., Spradlin, P., Sridharan, S., Stagni, F., Stahl, M., Stahl, S., Stefkova, S., Steinkamp, O., Stenyakin, O., Stevenson, S., Stoica, S., Stone, S., Storaci, B., Stracka, S., Straticiuc, M., Straumann, U., Sun, L., Sutcliffe, W., Swientek, K., Swientek, S., Syropoulos, V., Szczekowski, M., Szumlak, T., T'Jampens, S., Tayduganov, A., Tekampe, T., Tellarini, G., Teubert, F., Thomas, C., Thomas, E., van Tilburg, J., Tisserand, V., Tobin, M., Tolk, S., Tomassetti, L., Tonelli, D., Topp-Joergensen, S., Tournefier, E., Tourneur, S., Trabelsi, K., Traill, M., Tran, M. T., Tresch, M., Trisovic, A., Tsaregorodtsev, A., Tsopelas, P., Tuning, N., Ukleja, A., Ustyuzhanin, A., Uwer, U., Vacca, C., Vagnoni, V., Valat, S., Valenti, G., Vallier, A., Gomez, R. Vazquez, Regueiro, P. Vazquez, Sierra, C. Vázquez, Vecchi, S., van Veghel, M., Velthuis, J. J., Veltri, M., Veneziano, G., Vesterinen, M., Viaud, B., Vieira, D., Diaz, M. Vieites, Vilasis-Cardona, X., Volkov, V., Vollhardt, A., Voong, D., Vorobyev, A., Vorobyev, V., Voß, C., de Vries, J. A., Waldi, R., Wallace, C., Wallace, R., Walsh, J., Wang, J., Ward, D. R., Watson, N. K., Websdale, D., Weiden, A., Whitehead, M., Wicht, J., Wilkinson, G., Wilkinson, M., Williams, M., Williams, M. P., Williams, T., Wilson, F. F., Wimberley, J., Wishahi, J., Wislicki, W., Witek, M., Wormser, G., Wotton, S. A., Wraight, K., Wright, S., Wyllie, K., Xie, Y., Xu, Z., Yang, Z., Yin, H., Yu, J., Yuan, X., Yushchenko, O., Zangoli, M., Zavertyaev, M., Zhang, L., Zhang, Y., Zhelezov, A., Zheng, Y., Zhokhov, A., Zhong, L., Zhukov, V., and Zucchelli, S.
Subjects: High Energy Physics - Experiment
Abstract: Violations of $ CPT$ symmetry and Lorentz invariance are searched for by studying interference effects in $ B^0$ mixing and in $ B^0_s$ mixing. Samples of $ B^0\to J/\psi K^0_{\mathrm{S}}$ and $ B^0_s\to J/\psi K^+ K^-$ decays are recorded by the LHCb detector in proton--proton collisions at centre-of-mass energies of 7 and 8 TeV, corresponding to an integrated luminosity of 3 fb$^{-1}$. No periodic variations of the particle-antiparticle mass differences are found, consistent with Lorentz invariance and $ CPT$ symmetry. Results are expressed in terms of the Standard Model Extension parameter $\Delta a_{\mu}$ with precisions of $ \mathcal{O}(10^{-15})$ and $ \mathcal{O}(10^{-14})$ GeV for the $ B^0$ and $ B^0_s$ systems, respectively. With no assumption on Lorentz (non-)invariance, the $ CPT$-violating parameter $z$ in the $ B^0_s$ system is measured for the first time and found to be $ \mathcal{R}e(z) = -0.022 \pm 0.033 \pm 0.005$ and $ \mathcal{I}m(z) = 0.004 \pm 0.011\pm 0.002$, where the first uncertainties are statistical and the second systematic., Comment: All figures and tables, along with any supplementary material and additional information, are available at https://lhcbproject.web.cern.ch/lhcbproject/Publications/LHCbProjectPublic/LHCb-PAPER-2016-005.html
Published: 2016
Full Text: View/download PDF

42. Observation of the $\Lambda_b^0\to\Lambda\phi$ decay

Author: LHCb collaboration, Aaij, R., Beteta, C. Abellán, Adeva, B., Adinolfi, M., Ajaltouni, Z., Akar, S., Albrecht, J., Alessio, F., Alexander, M., Ali, S., Alkhazov, G., Cartelle, P. Alvarez, Alves Jr, A. A., Amato, S., Amerio, S., Amhis, Y., An, L., Anderlini, L., Andreassi, G., Andreotti, M., Andrews, J. E., Appleby, R. B., Gutierrez, O. Aquines, Archilli, F., d'Argent, P., Artamonov, A., Artuso, M., Aslanides, E., Auriemma, G., Baalouch, M., Bachmann, S., Back, J. J., Badalov, A., Baesso, C., Baker, S., Baldini, W., Barlow, R. J., Barschel, C., Barsuk, S., Barter, W., Batozskaya, V., Battista, V., Bay, A., Beaucourt, L., Beddow, J., Bedeschi, F., Bediaga, I., Bel, L. J., Bellee, V., Belloli, N., Belyaev, I., Ben-Haim, E., Bencivenni, G., Benson, S., Benton, J., Berezhnoy, A., Bernet, R., Bertolin, A., Betti, F., Bettler, M. -O., van Beuzekom, M., Bifani, S., Billoir, P., Bird, T., Birnkraut, A., Bizzeti, A., Blake, T., Blanc, F., Blouw, J., Blusk, S., Bocci, V., Bondar, A., Bondar, N., Bonivento, W., Borgheresi, A., Borghi, S., Borisyak, M., Borsato, M., Boubdir, M., Bowcock, T. J. V., Bowen, E., Bozzi, C., Braun, S., Britsch, M., Britton, T., Brodzicka, J., Buchanan, E., Burr, C., Bursche, A., Buytaert, J., Cadeddu, S., Calabrese, R., Calvi, M., Gomez, M. Calvo, Campana, P., Perez, D. Campora, Capriotti, L., Carbone, A., Carboni, G., Cardinale, R., Cardini, A., Carniti, P., Carson, L., Akiba, K. Carvalho, Casse, G., Cassina, L., Garcia, L. Castillo, Cattaneo, M., Cauet, Ch., Cavallero, G., Cenci, R., Charles, M., Charpentier, Ph., Chatzikonstantinidis, G., Chefdeville, M., Chen, S., Cheung, S. -F., Chrzaszcz, M., Vidal, X. Cid, Ciezarek, G., Clarke, P. E. L., Clemencic, M., Cliff, H. V., Closier, J., Coco, V., Cogan, J., Cogneras, E., Cogoni, V., Cojocariu, L., Collazuol, G., Collins, P., Comerma-Montells, A., Contu, A., Cook, A., Coombes, M., Coquereau, S., Corti, G., Corvo, M., Couturier, B., Cowan, G. A., Craik, D. C., Crocombe, A., Torres, M. Cruz, Cunliffe, S., Currie, R., D'Ambrosio, C., Dall'Occo, E., Dalseno, J., David, P. N. Y., Davis, A., Francisco, O. De Aguiar, De Bruyn, K., De Capua, S., De Cian, M., De Miranda, J. M., De Paula, L., De Simone, P., Dean, C. -T., Decamp, D., Deckenhoff, M., Del Buono, L., Déléage, N., Demmer, M., Derkach, D., Deschamps, O., Dettori, F., Dey, B., Di Canto, A., Di Ruscio, F., Dijkstra, H., Dordei, F., Dorigo, M., Suárez, A. 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G., Giubega, L., Gligorov, V. V., Göbel, C., Golubkov, D., Golutvin, A., Gomes, A., Gotti, C., Gándara, M. Grabalosa, Diaz, R. Graciani, Cardoso, L. A. Granado, Graugés, E., Graverini, E., Graziani, G., Grecu, A., Griffith, P., Grillo, L., Grünberg, O., Gui, B., Gushchin, E., Guz, Yu., Gys, T., Hadavizadeh, T., Hadjivasiliou, C., Haefeli, G., Haen, C., Haines, S. C., Hall, S., Hamilton, B., Han, X., Hansmann-Menzemer, S., Harnew, N., Harnew, S. T., Harrison, J., He, J., Head, T., Heister, A., Hennessy, K., Henrard, P., Henry, L., Morata, J. A. Hernando, van Herwijnen, E., Heß, M., Hicheur, A., Hill, D., Hoballah, M., Hombach, C., Hongming, L., Hulsbergen, W., Humair, T., Hushchyn, M., Hussain, N., Hutchcroft, D., Idzik, M., Ilten, P., Jacobsson, R., Jaeger, A., Jalocha, J., Jans, E., Jawahery, A., John, M., Johnson, D., Jones, C. R., Joram, C., Jost, B., Jurik, N., Kandybei, S., Kanso, W., Karacson, M., Karbach, T. M., Karodia, S., Kecke, M., Kelsey, M., Kenyon, I. R., Kenzie, M., Ketel, T., Khairullin, E., Khanji, B., Khurewathanakul, C., Kirn, T., Klaver, S., Klimaszewski, K., Kolpin, M., Komarov, I., Koopman, R. F., Koppenburg, P., Kozeiha, M., Kravchuk, L., Kreplin, K., Kreps, M., Krokovny, P., Kruse, F., Krzemien, W., Kucewicz, W., Kucharczyk, M., Kudryavtsev, V., Kuonen, A. K., Kurek, K., Kvaratskheliya, T., Lacarrere, D., Lafferty, G., Lai, A., Lambert, D., Lanfranchi, G., Langenbruch, C., Langhans, B., Latham, T., Lazzeroni, C., Gac, R. Le, van Leerdam, J., Lees, J. -P., Lefèvre, R., Leflat, A., Lefrançois, J., Cid, E. Lemos, Leroy, O., Lesiak, T., Leverington, B., Li, Y., Likhomanenko, T., Lindner, R., Linn, C., Lionetto, F., Liu, B., Liu, X., Loh, D., Longstaff, I., Lopes, J. H., Lucchesi, D., Martinez, M. Lucio, Luo, H., Lupato, A., Luppi, E., Lupton, O., Lusardi, N., Lusiani, A., Lyu, X., Machefert, F., Maciuc, F., Maev, O., Maguire, K., Malde, S., Malinin, A., Manca, G., Mancinelli, G., Manning, P., Mapelli, A., Maratas, J., Marchand, J. F., Marconi, U., Benito, C. Marin, Marino, P., Marks, J., Martellotti, G., Martin, M., Martinelli, M., Santos, D. Martinez, Vidal, F. Martinez, Tostes, D. Martins, Massacrier, L. M., Massafferri, A., Matev, R., Mathad, A., Mathe, Z., Matteuzzi, C., Mauri, A., Maurin, B., Mazurov, A., McCann, M., McCarthy, J., McNab, A., McNulty, R., Meadows, B., Meier, F., Meissner, M., Melnychuk, D., Merk, M., Merli, A, Michielin, E, Milanes, D. A., Minard, M. -N., Mitzel, D. S., Rodriguez, J. Molina, Monroy, I. A., Monteil, S., Morandin, M., Morawski, P., Mordà, A., Morello, M. J., Moron, J., Morris, A. B., Mountain, R., Muheim, F., Müller, D., Müller, J., Müller, K., Müller, V., Mussini, M., Muster, B., Naik, P., Nakada, T., Nandakumar, R., Nandi, A., Nasteva, I., Needham, M., Neri, N., Neubert, S., Neufeld, N., Neuner, M., Nguyen, A. D., Nguyen-Mau, C., Niess, V., Nieswand, S., Niet, R., Nikitin, N., Nikodem, T., Novoselov, A., O'Hanlon, D. P., Oblakowska-Mucha, A., Obraztsov, V., Ogilvy, S., Okhrimenko, O., Oldeman, R., Onderwater, C. J. G., Rodrigues, B. Osorio, Goicochea, J. M. Otalora, Otto, A., Owen, P., Oyanguren, A., Palano, A., Palombo, F., Palutan, M., Panman, J., Papanestis, A., Pappagallo, M., Pappalardo, L. L., Pappenheimer, C., Parker, W., Parkes, C., Passaleva, G., Patel, G. D., Patel, M., Patrignani, C., Pearce, A., Pellegrino, A., Penso, G., Altarelli, M. Pepe, Perazzini, S., Perret, P., Pescatore, L., Petridis, K., Petrolini, A., Petruzzo, M., Olloqui, E. Picatoste, Pietrzyk, B., Pikies, M., Pinci, D., Pistone, A., Piucci, A., Playfer, S., Casasus, M. Plo, Poikela, T., Polci, F., Poluektov, A., Polyakov, I., Polycarpo, E., Popov, A., Popov, D., Popovici, B., Potterat, C., Price, E., Price, J. D., Prisciandaro, J., Pritchard, A., Prouve, C., Pugatch, V., Navarro, A. Puig, Punzi, G., Qian, W., Quagliani, R., Rachwal, B., Rademacker, J. H., Rama, M., Pernas, M. Ramos, Rangel, M. S., Raniuk, I., Raven, G., Redi, F., Reichert, S., Reis, A. C. dos, Renaudin, V., Ricciardi, S., Richards, S., Rihl, M., Rinnert, K., Molina, V. Rives, Robbe, P., Rodrigues, A. B., Rodrigues, E., Lopez, J. A. Rodriguez, Perez, P. Rodriguez, Rogozhnikov, A., Roiser, S., Romanovsky, V., Vidal, A. Romero, Ronayne, J. W., Rotondo, M., Ruf, T., Valls, P. Ruiz, Silva, J. J. Saborido, Sagidova, N., Saitta, B., Guimaraes, V. Salustino, Mayordomo, C. Sanchez, Sedes, B. Sanmartin, Santacesaria, R., Rios, C. Santamarina, Santimaria, M., Santovetti, E., Sarti, A., Satriano, C., Satta, A., Saunders, D. M., Savrina, D., Schael, S., Schiller, M., Schindler, H., Schlupp, M., Schmelling, M., Schmelzer, T., Schmidt, B., Schneider, O., Schopper, A., Schubiger, M., Schune, M. -H., Schwemmer, R., Sciascia, B., Sciubba, A., Semennikov, A., Sergi, A., Serra, N., Serrano, J., Sestini, L., Seyfert, P., Shapkin, M., Shapoval, I., Shcheglov, Y., Shears, T., Shekhtman, L., Shevchenko, V., Shires, A., Siddi, B. G., Coutinho, R. Silva, de Oliveira, L. Silva, Simi, G., Sirendi, M., Skidmore, N., Skwarnicki, T., Smith, E., Smith, I. T., Smith, J., Smith, M., Snoek, H., Sokoloff, M. D., Soler, F. J. P., Soomro, F., Souza, D., De Paula, B. Souza, Spaan, B., Spradlin, P., Sridharan, S., Stagni, F., Stahl, M., Stahl, S., Stefkova, S., Steinkamp, O., Stenyakin, O., Stevenson, S., Stoica, S., Stone, S., Storaci, B., Stracka, S., Straticiuc, M., Straumann, U., Sun, L., Sutcliffe, W., Swientek, K., Swientek, S., Syropoulos, V., Szczekowski, M., Szumlak, T., T'Jampens, S., Tayduganov, A., Tekampe, T., Tellarini, G., Teubert, F., Thomas, C., Thomas, E., van Tilburg, J., Tisserand, V., Tobin, M., Tolk, S., Tomassetti, L., Tonelli, D., Topp-Joergensen, S., Tournefier, E., Tourneur, S., Trabelsi, K., Traill, M., Tran, M. T., Tresch, M., Trisovic, A., Tsaregorodtsev, A., Tsopelas, P., Tuning, N., Ukleja, A., Ustyuzhanin, A., Uwer, U., Vacca, C., Vagnoni, V., Valat, S., Valenti, G., Vallier, A., Gomez, R. Vazquez, Regueiro, P. Vazquez, Sierra, C. Vázquez, Vecchi, S., van Veghel, M., Velthuis, J. J., Veltri, M., Veneziano, G., Vesterinen, M., Viaud, B., Vieira, D., Diaz, M. Vieites, Vilasis-Cardona, X., Volkov, V., Vollhardt, A., Voong, D., Vorobyev, A., Vorobyev, V., Voß, C., de Vries, J. A., Waldi, R., Wallace, C., Wallace, R., Walsh, J., Wang, J., Ward, D. R., Watson, N. K., Websdale, D., Weiden, A., Whitehead, M., Wicht, J., Wilkinson, G., Wilkinson, M., Williams, M., Williams, M. P., Williams, T., Wilson, F. F., Wimberley, J., Wishahi, J., Wislicki, W., Witek, M., Wormser, G., Wotton, S. A., Wraight, K., Wright, S., Wyllie, K., Xie, Y., Xu, Z., Yang, Z., Yin, H., Yu, J., Yuan, X., Yushchenko, O., Zangoli, M., Zavertyaev, M., Zhang, L., Zhang, Y., Zhelezov, A., Zheng, Y., Zhokhov, A., Zhong, L., Zhukov, V., and Zucchelli, S.
Subjects: High Energy Physics - Experiment
Abstract: The $\Lambda_b^0\to\Lambda\phi$ decay is observed using data corresponding to an integrated luminosity of 3.0fb$^{-1}$ recorded by the LHCb experiment. The decay proceeds at leading order via a $b\to s\bar{s}s$ loop transition and is therefore sensitive to the possible presence of particles beyond the Standard Model. A first observation is reported with a significance of $5.9$ standard deviations. The value of the branching fraction is measured to be $(5.18\pm1.04\pm0.35\,^{+0.67}_{-0.62})\times10^{-6}$, where the first uncertainty is statistical, the second is systematic, and the third is related to external inputs. Triple-product asymmetries are measured to be consistent with zero., Comment: All figures and tables, along with any supplementary material and additional information, are available at https://lhcbproject.web.cern.ch/lhcbproject/Publications/LHCbProjectPublic/LHCb-PAPER-2016-002.html - modified to match minor changes in the published version, corrected to add additional factor in the ratio of branching fractions
Published: 2016
Full Text: View/download PDF

43. Observation of $B^0_s\to\bar{D}^0 K^0_S$ and evidence for $B^0_s\to\bar{D}^{*0} K^0_S$ decays

Author: LHCb collaboration, Aaij, R., Beteta, C. Abellán, Adeva, B., Adinolfi, M., Affolder, A., Ajaltouni, Z., Akar, S., Albrecht, J., Alessio, F., Alexander, M., Ali, S., Alkhazov, G., Cartelle, P. Alvarez, Alves Jr, A. A., Amato, S., Amerio, S., Amhis, Y., An, L., Anderlini, L., Andreassi, G., Andreotti, M., Andrews, J. E., Appleby, R. B., Gutierrez, O. Aquines, Archilli, F., d'Argent, P., Artamonov, A., Artuso, M., Aslanides, E., Auriemma, G., Baalouch, M., Bachmann, S., Back, J. J., Badalov, A., Baesso, C., Baldini, W., Barlow, R. J., Barschel, C., Barsuk, S., Barter, W., Batozskaya, V., Battista, V., Bay, A., Beaucourt, L., Beddow, J., Bedeschi, F., Bediaga, I., Bel, L. J., Bellee, V., Belloli, N., Belyaev, I., Ben-Haim, E., Bencivenni, G., Benson, S., Benton, J., Berezhnoy, A., Bernet, R., Bertolin, A., Bettler, M. -O., van Beuzekom, M., Bifani, S., Billoir, P., Bird, T., Birnkraut, A., Bizzeti, A., Blake, T., Blanc, F., Blouw, J., Blusk, S., Bocci, V., Bondar, A., Bondar, N., Bonivento, W., Borghi, S., Borisyak, M., Borsato, M., Bowcock, T. J. V., Bowen, E., Bozzi, C., Braun, S., Britsch, M., Britton, T., Brodzicka, J., Brook, N. H., Buchanan, E., Burr, C., Bursche, A., Buytaert, J., Cadeddu, S., Calabrese, R., Calvi, M., Gomez, M. Calvo, Campana, P., Perez, D. Campora, Capriotti, L., Carbone, A., Carboni, G., Cardinale, R., Cardini, A., Carniti, P., Carson, L., Akiba, K. Carvalho, Casse, G., Cassina, L., Garcia, L. Castillo, Cattaneo, M., Cauet, Ch., Cavallero, G., Cenci, R., Charles, M., Charpentier, Ph., Chatzikonstantinidis, G., Chefdeville, M., Chen, S., Cheung, S. -F., Chiapolini, N., Chrzaszcz, M., Vidal, X. Cid, Ciezarek, G., Clarke, P. E. L., Clemencic, M., Cliff, H. V., Closier, J., Coco, V., Cogan, J., Cogneras, E., Cogoni, V., Cojocariu, L., Collazuol, G., Collins, P., Comerma-Montells, A., Contu, A., Cook, A., Coombes, M., Coquereau, S., Corti, G., Corvo, M., Couturier, B., Cowan, G. A., Craik, D. C., Crocombe, A., Torres, M. Cruz, Cunliffe, S., Currie, R., D'Ambrosio, C., Dall'Occo, E., Dalseno, J., David, P. N. Y., Davis, A., Francisco, O. De Aguiar, De Bruyn, K., De Capua, S., De Cian, M., De Miranda, J. M., De Paula, L., De Simone, P., Dean, C. -T., Decamp, D., Deckenhoff, M., Del Buono, L., Déléage, N., Demmer, M., Derkach, D., Deschamps, O., Dettori, F., Dey, B., Di Canto, A., Di Ruscio, F., Dijkstra, H., Donleavy, S., Dordei, F., Dorigo, M., Suárez, A. Dosil, Dovbnya, A., Dreimanis, K., Dufour, L., Dujany, G., Dungs, K., Durante, P., Dzhelyadin, R., Dziurda, A., Dzyuba, A., Easo, S., Egede, U., Egorychev, V., Eidelman, S., Eisenhardt, S., Eitschberger, U., Ekelhof, R., Eklund, L., Rifai, I. El, Elsasser, Ch., Ely, S., Esen, S., Evans, H. M., Evans, T., Falabella, A., Färber, C., Farley, N., Farry, S., Fay, R., Ferguson, D., Albor, V. Fernandez, Ferrari, F., Rodrigues, F. Ferreira, Ferro-Luzzi, M., Filippov, S., Fiore, M., Fiorini, M., Firlej, M., Fitzpatrick, C., Fiutowski, T., Fleuret, F., Fohl, K., Fol, P., Fontana, M., Fontanelli, F., Forshaw, D. C., Forty, R., Frank, M., Frei, C., Frosini, M., Fu, J., Furfaro, E., Torreira, A. Gallas, Galli, D., Gallorini, S., Gambetta, S., Gandelman, M., Gandini, P., Gao, Y., Pardiñas, J. García, Tico, J. Garra, Garrido, L., Gascon, D., Gaspar, C., Gauld, R., Gavardi, L., Gazzoni, G., Gerick, D., Gersabeck, E., Gersabeck, M., Gershon, T., Ghez, Ph., Gianì, S., Gibson, V., Girard, O. G., Giubega, L., Gligorov, V. V., Göbel, C., Golubkov, D., Golutvin, A., Gomes, A., Gotti, C., Gándara, M. Grabalosa, Diaz, R. Graciani, Cardoso, L. A. Granado, Graugés, E., Graverini, E., Graziani, G., Grecu, A., Greening, E., Griffith, P., Grillo, L., Grünberg, O., Gui, B., Gushchin, E., Guz, Yu., Gys, T., Hadavizadeh, T., Hadjivasiliou, C., Haefeli, G., Haen, C., Haines, S. C., Hall, S., Hamilton, B., Han, X., Hansmann-Menzemer, S., Harnew, N., Harnew, S. T., Harrison, J., He, J., Head, T., Heijne, V., Heister, A., Hennessy, K., Henrard, P., Henry, L., Morata, J. A. Hernando, van Herwijnen, E., Heß, M., Hicheur, A., Hill, D., Hoballah, M., Hombach, C., Hulsbergen, W., Humair, T., Hushchyn, M., Hussain, N., Hutchcroft, D., Hynds, D., Idzik, M., Ilten, P., Jacobsson, R., Jaeger, A., Jalocha, J., Jans, E., Jawahery, A., John, M., Johnson, D., Jones, C. R., Joram, C., Jost, B., Jurik, N., Kandybei, S., Kanso, W., Karacson, M., Karbach, T. M., Karodia, S., Kecke, M., Kelsey, M., Kenyon, I. R., Kenzie, M., Ketel, T., Khairullin, E., Khanji, B., Khurewathanakul, C., Kirn, T., Klaver, S., Klimaszewski, K., Kochebina, O., Kolpin, M., Komarov, I., Koopman, R. F., Koppenburg, P., Kozeiha, M., Kravchuk, L., Kreplin, K., Kreps, M., Krokovny, P., Kruse, F., Krzemien, W., Kucewicz, W., Kucharczyk, M., Kudryavtsev, V., Kuonen, A. K., Kurek, K., Kvaratskheliya, T., Lacarrere, D., Lafferty, G., Lai, A., Lambert, D., Lanfranchi, G., Langenbruch, C., Langhans, B., Latham, T., Lazzeroni, C., Gac, R. Le, van Leerdam, J., Lees, J. -P., Lefèvre, R., Leflat, A., Lefrançois, J., Cid, E. Lemos, Leroy, O., Lesiak, T., Leverington, B., Li, Y., Likhomanenko, T., Liles, M., Lindner, R., Linn, C., Lionetto, F., Liu, B., Liu, X., Loh, D., Longstaff, I., Lopes, J. H., Lucchesi, D., Martinez, M. Lucio, Luo, H., Lupato, A., Luppi, E., Lupton, O., Lusardi, N., Lusiani, A., Machefert, F., Maciuc, F., Maev, O., Maguire, K., Malde, S., Malinin, A., Manca, G., Mancinelli, G., Manning, P., Mapelli, A., Maratas, J., Marchand, J. F., Marconi, U., Benito, C. Marin, Marino, P., Marks, J., Martellotti, G., Martin, M., Martinelli, M., Santos, D. Martinez, Vidal, F. Martinez, Tostes, D. Martins, Massacrier, L. M., Massafferri, A., Matev, R., Mathad, A., Mathe, Z., Matteuzzi, C., Mauri, A., Maurin, B., Mazurov, A., McCann, M., McCarthy, J., McNab, A., McNulty, R., Meadows, B., Meier, F., Meissner, M., Melnychuk, D., Merk, M., Michielin, E, Milanes, D. A., Minard, M. -N., Mitzel, D. S., Rodriguez, J. Molina, Monroy, I. A., Monteil, S., Morandin, M., Morawski, P., Mordà, A., Morello, M. J., Moron, J., Morris, A. B., Mountain, R., Muheim, F., Müller, D., Müller, J., Müller, K., Müller, V., Mussini, M., Muster, B., Naik, P., Nakada, T., Nandakumar, R., Nandi, A., Nasteva, I., Needham, M., Neri, N., Neubert, S., Neufeld, N., Neuner, M., Nguyen, A. D., Nguyen, T. D., Nguyen-Mau, C., Niess, V., Niet, R., Nikitin, N., Nikodem, T., Novoselov, A., O'Hanlon, D. P., Oblakowska-Mucha, A., Obraztsov, V., Ogilvy, S., Okhrimenko, O., Oldeman, R., Onderwater, C. J. G., Rodrigues, B. Osorio, Goicochea, J. M. Otalora, Otto, A., Owen, P., Oyanguren, A., Palano, A., Palombo, F., Palutan, M., Panman, J., Papanestis, A., Pappagallo, M., Pappalardo, L. L., Pappenheimer, C., Parker, W., Parkes, C., Passaleva, G., Patel, G. D., Patel, M., Patrignani, C., Pearce, A., Pellegrino, A., Penso, G., Altarelli, M. Pepe, Perazzini, S., Perret, P., Pescatore, L., Petridis, K., Petrolini, A., Petruzzo, M., Olloqui, E. Picatoste, Pietrzyk, B., Pikies, M., Pinci, D., Pistone, A., Piucci, A., Playfer, S., Casasus, M. Plo, Poikela, T., Polci, F., Poluektov, A., Polyakov, I., Polycarpo, E., Popov, A., Popov, D., Popovici, B., Potterat, C., Price, E., Price, J. D., Prisciandaro, J., Pritchard, A., Prouve, C., Pugatch, V., Navarro, A. Puig, Punzi, G., Qian, W., Quagliani, R., Rachwal, B., Rademacker, J. H., Rama, M., Pernas, M. Ramos, Rangel, M. S., Raniuk, I., Rauschmayr, N., Raven, G., Redi, F., Reichert, S., Reis, A. C. dos, Renaudin, V., Ricciardi, S., Richards, S., Rihl, M., Rinnert, K., Molina, V. Rives, Robbe, P., Rodrigues, A. B., Rodrigues, E., Lopez, J. A. Rodriguez, Perez, P. Rodriguez, Roiser, S., Romanovsky, V., Vidal, A. Romero, Ronayne, J. W., Rotondo, M., Ruf, T., Valls, P. Ruiz, Silva, J. J. Saborido, Sagidova, N., Saitta, B., Guimaraes, V. Salustino, Mayordomo, C. Sanchez, Sedes, B. Sanmartin, Santacesaria, R., Rios, C. Santamarina, Santimaria, M., Santovetti, E., Sarti, A., Satriano, C., Satta, A., Saunders, D. M., Savrina, D., Schael, S., Schiller, M., Schindler, H., Schlupp, M., Schmelling, M., Schmelzer, T., Schmidt, B., Schneider, O., Schopper, A., Schubiger, M., Schune, M. -H., Schwemmer, R., Sciascia, B., Sciubba, A., Semennikov, A., Serra, N., Serrano, J., Sestini, L., Seyfert, P., Shapkin, M., Shapoval, I., Shcheglov, Y., Shears, T., Shekhtman, L., Shevchenko, V., Shires, A., Siddi, B. G., Coutinho, R. Silva, de Oliveira, L. Silva, Simi, G., Sirendi, M., Skidmore, N., Skwarnicki, T., Smith, E., Smith, I. T., Smith, J., Smith, M., Snoek, H., Sokoloff, M. D., Soler, F. J. P., Soomro, F., Souza, D., De Paula, B. Souza, Spaan, B., Spradlin, P., Sridharan, S., Stagni, F., Stahl, M., Stahl, S., Stefkova, S., Steinkamp, O., Stenyakin, O., Stevenson, S., Stoica, S., Stone, S., Storaci, B., Stracka, S., Straticiuc, M., Straumann, U., Sun, L., Sutcliffe, W., Swientek, K., Swientek, S., Syropoulos, V., Szczekowski, M., Szumlak, T., T'Jampens, S., Tayduganov, A., Tekampe, T., Tellarini, G., Teubert, F., Thomas, C., Thomas, E., van Tilburg, J., Tisserand, V., Tobin, M., Todd, J., Tolk, S., Tomassetti, L., Tonelli, D., Topp-Joergensen, S., Torr, N., Tournefier, E., Tourneur, S., Trabelsi, K., Traill, M., Tran, M. T., Tresch, M., Trisovic, A., Tsaregorodtsev, A., Tsopelas, P., Tuning, N., Ukleja, A., Ustyuzhanin, A., Uwer, U., Vacca, C., Vagnoni, V., Valenti, G., Vallier, A., Gomez, R. Vazquez, Regueiro, P. Vazquez, Sierra, C. Vázquez, Vecchi, S., van Veghel, M., Velthuis, J. J., Veltri, M., Veneziano, G., Vesterinen, M., Viaud, B., Vieira, D., Diaz, M. Vieites, Vilasis-Cardona, X., Volkov, V., Vollhardt, A., Voong, D., Vorobyev, A., Vorobyev, V., Voß, C., de Vries, J. A., Waldi, R., Wallace, C., Wallace, R., Walsh, J., Wang, J., Ward, D. R., Watson, N. K., Websdale, D., Weiden, A., Whitehead, M., Wicht, J., Wilkinson, G., Wilkinson, M., Williams, M., Williams, M. P., Williams, T., Wilson, F. F., Wimberley, J., Wishahi, J., Wislicki, W., Witek, M., Wormser, G., Wotton, S. A., Wraight, K., Wright, S., Wyllie, K., Xie, Y., Xu, Z., Yang, Z., Yu, J., Yuan, X., Yushchenko, O., Zangoli, M., Zavertyaev, M., Zhang, L., Zhang, Y., Zhelezov, A., Zhokhov, A., Zhong, L., Zhukov, V., and Zucchelli, S.
Subjects: High Energy Physics - Experiment
Abstract: The first observation of the $B^0_s\to\bar{D}^0 K^0_S$ decay mode and evidence for the $B^0_s\to\bar{D}^{*0} K^0_S$ decay mode are reported. The data sample corresponds to an integrated luminosity of 3.0 $\text{fb}^{-1}$ collected in $pp$ collisions by LHCb at center-of-mass energies of 7 and 8 TeV. The branching fractions are measured to be \begin{align*} \mathcal{B}(B^0_s\to\bar{D}^0 \bar{K}^0) &= (4.3\pm0.5(\text{stat})\pm0.3(\text{syst})\pm0.3(\text{frag})\pm0.6(\text{norm}))\times10^{-4},\\ \mathcal{B}(B^0_s\to\bar{D}^{*0} \bar{K}^0) &= (2.8\pm1.0(\text{stat})\pm0.3(\text{syst})\pm0.2(\text{frag})\pm0.4(\text{norm}))\times10^{-4}, \end{align*} where the uncertainties are due to contributions coming from statistical precision, systematic effects, and the precision of two external inputs, the ratio $f_s/f_d$ and the branching fraction of $B^0\to\bar{D}^0 K^0_S$, which is used as a calibration channel., Comment: All figures and tables, along with any supplementary material and additional information, are available at https://lhcbproject.web.cern.ch/lhcbproject/Publications/LHCbProjectPublic/LHCb-PAPER-2015-050.html
Published: 2016
Full Text: View/download PDF

44. Observations of $\Lambda_b^0 \to \Lambda K^+\pi^-$ and $\Lambda_b^0 \to \Lambda K^+K^-$ decays and searches for other $\Lambda_b^0$ and $\Xi_b^0$ decays to $\Lambda h^+h^{\prime -}$ final states

Author: LHCb collaboration, Aaij, R., Beteta, C. Abellán, Adeva, B., Adinolfi, M., Ajaltouni, Z., Akar, S., Albrecht, J., Alessio, F., Alexander, M., Ali, S., Alkhazov, G., Cartelle, P. Alvarez, Alves Jr, A. A., Amato, S., Amerio, S., Amhis, Y., An, L., Anderlini, L., Andreassi, G., Andreotti, M., Andrews, J. E., Appleby, R. B., Gutierrez, O. Aquines, Archilli, F., d'Argent, P., Artamonov, A., Artuso, M., Aslanides, E., Auriemma, G., Baalouch, M., Bachmann, S., Back, J. J., Badalov, A., Baesso, C., Baker, S., Baldini, W., Barlow, R. J., Barschel, C., Barsuk, S., Barter, W., Batozskaya, V., Battista, V., Bay, A., Beaucourt, L., Beddow, J., Bedeschi, F., Bediaga, I., Bel, L. J., Bellee, V., Belloli, N., Belyaev, I., Ben-Haim, E., Bencivenni, G., Benson, S., Benton, J., Berezhnoy, A., Bernet, R., Bertolin, A., Betti, F., Bettler, M. -O., van Beuzekom, M., Bifani, S., Billoir, P., Bird, T., Birnkraut, A., Bizzeti, A., Blake, T., Blanc, F., Blouw, J., Blusk, S., Bocci, V., Bondar, A., Bondar, N., Bonivento, W., Borgheresi, A., Borghi, S., Borisyak, M., Borsato, M., Boubdir, M., Bowcock, T. J. V., Bowen, E., Bozzi, C., Braun, S., Britsch, M., Britton, T., Brodzicka, J., Buchanan, E., Burr, C., Bursche, A., Buytaert, J., Cadeddu, S., Calabrese, R., Calvi, M., Gomez, M. Calvo, Campana, P., Perez, D. Campora, Capriotti, L., Carbone, A., Carboni, G., Cardinale, R., Cardini, A., Carniti, P., Carson, L., Akiba, K. Carvalho, Casse, G., Cassina, L., Garcia, L. Castillo, Cattaneo, M., Cauet, Ch., Cavallero, G., Cenci, R., Charles, M., Charpentier, Ph., Chatzikonstantinidis, G., Chefdeville, M., Chen, S., Cheung, S. -F., Chrzaszcz, M., Vidal, X. Cid, Ciezarek, G., Clarke, P. E. L., Clemencic, M., Cliff, H. V., Closier, J., Coco, V., Cogan, J., Cogneras, E., Cogoni, V., Cojocariu, L., Collazuol, G., Collins, P., Comerma-Montells, A., Contu, A., Cook, A., Coombes, M., Coquereau, S., Corti, G., Corvo, M., Couturier, B., Cowan, G. A., Craik, D. C., Crocombe, A., Torres, M. Cruz, Cunliffe, S., Currie, R., D'Ambrosio, C., Dall'Occo, E., Dalseno, J., David, P. N. Y., Davis, A., Francisco, O. De Aguiar, De Bruyn, K., De Capua, S., De Cian, M., De Miranda, J. M., De Paula, L., De Simone, P., Dean, C. -T., Decamp, D., Deckenhoff, M., Del Buono, L., Déléage, N., Demmer, M., Derkach, D., Deschamps, O., Dettori, F., Dey, B., Di Canto, A., Di Ruscio, F., Dijkstra, H., Dordei, F., Dorigo, M., Suárez, A. 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Subjects: High Energy Physics - Experiment
Abstract: A search is performed for the charmless three-body decays of the $\Lambda_b^0$ and $\Xi_b^0$ baryons to the final states $\Lambda h^+h^{\prime -}$, where $h^{(\prime)} = \pi$ or $K$. The analysis is based on a data sample, corresponding to an integrated luminosity of $3 \rm fb^{-1}$ of $pp$ collisions, collected by the LHCb experiment. The $\Lambda_b^0 \to \Lambda K^+\pi^-$ and $\Lambda_b^0 \to \Lambda K^+K^-$ decays are observed for the first time and their branching fractions and $CP$ asymmetry parameters are measured. Evidence is seen for the $\Lambda_b^0 \to \Lambda \pi^+\pi^-$ decay and limits are set on the branching fractions of $\Xi_b^0$ baryon decays to the $\Lambda h^+h^{\prime -}$ final states., Comment: All figures and tables, along with any supplementary material and additional information, are available at https://lhcbproject.web.cern.ch/lhcbproject/Publications/LHCbProjectPublic/LHCb-PAPER-2016-004.html
Published: 2016
Full Text: View/download PDF

45. Measurement of the $B_{s}^{0} \rightarrow D_{s}^{()+}D_{s}^{()-}$ branching fractions

Author: LHCb collaboration, Aaij, R., Beteta, C. Abellán, Adeva, B., Adinolfi, M., Affolder, A., Ajaltouni, Z., Akar, S., Albrecht, J., Alessio, F., Alexander, M., Ali, S., Alkhazov, G., Cartelle, P. Alvarez, Alves Jr, A. A., Amato, S., Amerio, S., Amhis, Y., An, L., Anderlini, L., Andreassi, G., Andreotti, M., Andrews, J. E., Appleby, R. B., Gutierrez, O. Aquines, Archilli, F., d'Argent, P., Artamonov, A., Artuso, M., Aslanides, E., Auriemma, G., Baalouch, M., Bachmann, S., Back, J. J., Badalov, A., Baesso, C., Baldini, W., Barlow, R. J., Barschel, C., Barsuk, S., Barter, W., Batozskaya, V., Battista, V., Bay, A., Beaucourt, L., Beddow, J., Bedeschi, F., Bediaga, I., Bel, L. J., Bellee, V., Belloli, N., Belyaev, I., Ben-Haim, E., Bencivenni, G., Benson, S., Benton, J., Berezhnoy, A., Bernet, R., Bertolin, A., Bettler, M. -O., van Beuzekom, M., Bifani, S., Billoir, P., Bird, T., Birnkraut, A., Bizzeti, A., Blake, T., Blanc, F., Blouw, J., Blusk, S., Bocci, V., Bondar, A., Bondar, N., Bonivento, W., Borghi, S., Borisyak, M., Borsato, M., Bowcock, T. J. V., Bowen, E., Bozzi, C., Braun, S., Britsch, M., Britton, T., Brodzicka, J., Brook, N. H., Buchanan, E., Burr, C., Bursche, A., Buytaert, J., Cadeddu, S., Calabrese, R., Calvi, M., Gomez, M. Calvo, Campana, P., Perez, D. Campora, Capriotti, L., Carbone, A., Carboni, G., Cardinale, R., Cardini, A., Carniti, P., Carson, L., Akiba, K. Carvalho, Casse, G., Cassina, L., Garcia, L. Castillo, Cattaneo, M., Cauet, Ch., Cavallero, G., Cenci, R., Charles, M., Charpentier, Ph., Chefdeville, M., Chen, S., Cheung, S. -F., Chiapolini, N., Chrzaszcz, M., Vidal, X. Cid, Ciezarek, G., Clarke, P. E. L., Clemencic, M., Cliff, H. V., Closier, J., Coco, V., Cogan, J., Cogneras, E., Cogoni, V., Cojocariu, L., Collazuol, G., Collins, P., Comerma-Montells, A., Contu, A., Cook, A., Coombes, M., Coquereau, S., Corti, G., Corvo, M., Couturier, B., Cowan, G. A., Craik, D. C., Crocombe, A., Torres, M. Cruz, Cunliffe, S., Currie, R., D'Ambrosio, C., Dall'Occo, E., Dalseno, J., David, P. N. Y., Davis, A., Francisco, O. De Aguiar, De Bruyn, K., De Capua, S., De Cian, M., De Miranda, J. M., De Paula, L., De Simone, P., Dean, C. -T., Decamp, D., Deckenhoff, M., Del Buono, L., Déléage, N., Demmer, M., Derkach, D., Deschamps, O., Dettori, F., Dey, B., Di Canto, A., Di Ruscio, F., Dijkstra, H., Donleavy, S., Dordei, F., Dorigo, M., Suárez, A. Dosil, Dovbnya, A., Dreimanis, K., Dufour, L., Dujany, G., Dungs, K., Durante, P., Dzhelyadin, R., Dziurda, A., Dzyuba, A., Easo, S., Egede, U., Egorychev, V., Eidelman, S., Eisenhardt, S., Eitschberger, U., Ekelhof, R., Eklund, L., Rifai, I. 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Plo, Poikela, T., Polci, F., Poluektov, A., Polyakov, I., Polycarpo, E., Popov, A., Popov, D., Popovici, B., Potterat, C., Price, E., Price, J. D., Prisciandaro, J., Pritchard, A., Prouve, C., Pugatch, V., Navarro, A. Puig, Punzi, G., Qian, W., Quagliani, R., Rachwal, B., Rademacker, J. H., Rama, M., Pernas, M. Ramos, Rangel, M. S., Raniuk, I., Rauschmayr, N., Raven, G., Redi, F., Reichert, S., Reis, A. C. dos, Renaudin, V., Ricciardi, S., Richards, S., Rihl, M., Rinnert, K., Molina, V. Rives, Robbe, P., Rodrigues, A. B., Rodrigues, E., Lopez, J. A. Rodriguez, Perez, P. Rodriguez, Roiser, S., Romanovsky, V., Vidal, A. Romero, Ronayne, J. W., Rotondo, M., Ruf, T., Valls, P. Ruiz, Silva, J. J. Saborido, Sagidova, N., Saitta, B., Guimaraes, V. Salustino, Mayordomo, C. Sanchez, Sedes, B. Sanmartin, Santacesaria, R., Rios, C. Santamarina, Santimaria, M., Santovetti, E., Sarti, A., Satriano, C., Satta, A., Saunders, D. M., Savrina, D., Schael, S., Schiller, M., Schindler, H., Schlupp, M., Schmelling, M., Schmelzer, T., Schmidt, B., Schneider, O., Schopper, A., Schubiger, M., Schune, M. -H., Schwemmer, R., Sciascia, B., Sciubba, A., Semennikov, A., Sergi, A., Serra, N., Serrano, J., Sestini, L., Seyfert, P., Shapkin, M., Shapoval, I., Shcheglov, Y., Shears, T., Shekhtman, L., Shevchenko, V., Shires, A., Siddi, B. G., Coutinho, R. Silva, de Oliveira, L. Silva, Simi, G., Sirendi, M., Skidmore, N., Skwarnicki, T., Smith, E., Smith, I. T., Smith, J., Smith, M., Snoek, H., Sokoloff, M. D., Soler, F. J. P., Soomro, F., Souza, D., De Paula, B. Souza, Spaan, B., Spradlin, P., Sridharan, S., Stagni, F., Stahl, M., Stahl, S., Stefkova, S., Steinkamp, O., Stenyakin, O., Stevenson, S., Stoica, S., Stone, S., Storaci, B., Stracka, S., Straticiuc, M., Straumann, U., Sun, L., Sutcliffe, W., Swientek, K., Swientek, S., Syropoulos, V., Szczekowski, M., Szumlak, T., T'Jampens, S., Tayduganov, A., Tekampe, T., Tellarini, G., Teubert, F., Thomas, C., Thomas, E., van Tilburg, J., Tisserand, V., Tobin, M., Todd, J., Tolk, S., Tomassetti, L., Tonelli, D., Topp-Joergensen, S., Torr, N., Tournefier, E., Tourneur, S., Trabelsi, K., Traill, M., Tran, M. T., Tresch, M., Trisovic, A., Tsaregorodtsev, A., Tsopelas, P., Tuning, N., Ukleja, A., Ustyuzhanin, A., Uwer, U., Vacca, C., Vagnoni, V., Valenti, G., Vallier, A., Gomez, R. Vazquez, Regueiro, P. Vazquez, Sierra, C. Vázquez, Vecchi, S., van Veghel, M., Velthuis, J. J., Veltri, M., Veneziano, G., Vesterinen, M., Viaud, B., Vieira, D., Diaz, M. Vieites, Vilasis-Cardona, X., Volkov, V., Vollhardt, A., Voong, D., Vorobyev, A., Vorobyev, V., Voß, C., de Vries, J. A., Waldi, R., Wallace, C., Wallace, R., Walsh, J., Wang, J., Ward, D. R., Watson, N. K., Websdale, D., Weiden, A., Whitehead, M., Wicht, J., Wilkinson, G., Wilkinson, M., Williams, M., Williams, M. P., Williams, T., Wilson, F. F., Wimberley, J., Wishahi, J., Wislicki, W., Witek, M., Wormser, G., Wotton, S. A., Wraight, K., Wright, S., Wyllie, K., Xie, Y., Xu, Z., Yang, Z., Yu, J., Yuan, X., Yushchenko, O., Zangoli, M., Zavertyaev, M., Zhang, L., Zhang, Y., Zhelezov, A., Zhokhov, A., Zhong, L., Zhukov, V., and Zucchelli, S.
Subjects: High Energy Physics - Experiment
Abstract: The branching fraction of the decay $B_{s}^{0} \rightarrow D_{s}^{(*)+}D_{s}^{(*)-}$ is measured using $pp$ collision data corresponding to an integrated luminosity of $1.0fb^{-1}$, collected using the LHCb detector at a centre-of-mass energy of $7$TeV. It is found to be \begin{align*} {\mathcal{B}}(B_{s}^{0}\rightarrow~D_{s}^{(*)+}D_{s}^{(*)-}) = (3.05 \pm 0.10 \pm 0.20 \pm 0.34)\%, \end{align*} where the uncertainties are statistical, systematic, and due to the normalisation channel, respectively. The branching fractions of the individual decays corresponding to the presence of one or two $D^{*\pm}_{s}$ are also measured. The individual branching fractions are found to be \begin{align*} {\mathcal{B}}(B_{s}^{0}\rightarrow~D_{s}^{*\pm}D_{s}^{\mp}) = (1.35 \pm 0.06 \pm 0.09 \pm 0.15)\%, \newline{\mathcal{B}}(B_{s}^{0}\rightarrow~D_{s}^{*+}D_{s}^{*-}) = (1.27 \pm 0.08 \pm 0.10 \pm 0.14)\%. \end{align*} All three results are the most precise determinations to date., Comment: All figures and tables, along with any supplementary material and additional information, are available at https://lhcbproject.web.cern.ch/lhcbproject/Publications/LHCbProjectPublic/LHCb-PAPER-2015-053.html
Published: 2016
Full Text: View/download PDF

46. A new algorithm for identifying the flavour of $B_s^0$ mesons at LHCb

Author: LHCb collaboration, Aaij, R., Beteta, C. Abellán, Adeva, B., Adinolfi, M., Affolder, A., Ajaltouni, Z., Akar, S., Albrecht, J., Alessio, F., Alexander, M., Ali, S., Alkhazov, G., Cartelle, P. Alvarez, Alves Jr, A. A., Amato, S., Amerio, S., Amhis, Y., An, L., Anderlini, L., Andreassi, G., Andreotti, M., Andrews, J. E., Appleby, R. B., Gutierrez, O. Aquines, Archilli, F., d'Argent, P., Artamonov, A., Artuso, M., Aslanides, E., Auriemma, G., Baalouch, M., Bachmann, S., Back, J. J., Badalov, A., Baesso, C., Baldini, W., Barlow, R. J., Barschel, C., Barsuk, S., Barter, W., Batozskaya, V., Battista, V., Bay, A., Beaucourt, L., Beddow, J., Bedeschi, F., Bediaga, I., Bel, L. J., Bellee, V., Belloli, N., Belyaev, I., Ben-Haim, E., Bencivenni, G., Benson, S., Benton, J., Berezhnoy, A., Bernet, R., Bertolin, A., Betti, F., Bettler, M. -O., van Beuzekom, M., Bifani, S., Billoir, P., Bird, T., Birnkraut, A., Bizzeti, A., Blake, T., Blanc, F., Blouw, J., Blusk, S., Bocci, V., Bondar, A., Bondar, N., Bonivento, W., Borgheresi, A., Borghi, S., Borisyak, M., Borsato, M., Bowcock, T. J. V., Bowen, E., Bozzi, C., Braun, S., Britsch, M., Britton, T., Brodzicka, J., Brook, N. H., Buchanan, E., Burr, C., Bursche, A., Buytaert, J., Cadeddu, S., Calabrese, R., Calvi, M., Gomez, M. Calvo, Campana, P., Perez, D. Campora, Capriotti, L., Carbone, A., Carboni, G., Cardinale, R., Cardini, A., Carniti, P., Carson, L., Akiba, K. Carvalho, Casse, G., Cassina, L., Garcia, L. Castillo, Cattaneo, M., Cauet, Ch., Cavallero, G., Cenci, R., Charles, M., Charpentier, Ph., Chatzikonstantinidis, G., Chefdeville, M., Chen, S., Cheung, S. -F., Chiapolini, N., Chrzaszcz, M., Vidal, X. Cid, Ciezarek, G., Clarke, P. E. L., Clemencic, M., Cliff, H. V., Closier, J., Coco, V., Cogan, J., Cogneras, E., Cogoni, V., Cojocariu, L., Collazuol, G., Collins, P., Comerma-Montells, A., Contu, A., Cook, A., Coombes, M., Coquereau, S., Corti, G., Corvo, M., Couturier, B., Cowan, G. A., Craik, D. C., Crocombe, A., Torres, M. Cruz, Cunliffe, S., Currie, R., D'Ambrosio, C., Dall'Occo, E., Dalseno, J., David, P. N. Y., Davis, A., Francisco, O. De Aguiar, De Bruyn, K., De Capua, S., De Cian, M., De Miranda, J. M., De Paula, L., De Simone, P., Dean, C. -T., Decamp, D., Deckenhoff, M., Del Buono, L., Déléage, N., Demmer, M., Derkach, D., Deschamps, O., Dettori, F., Dey, B., Di Canto, A., Di Ruscio, F., Dijkstra, H., Donleavy, S., Dordei, F., Dorigo, M., Suárez, A. Dosil, Dovbnya, A., Dreimanis, K., Dufour, L., Dujany, G., Dungs, K., Durante, P., Dzhelyadin, R., Dziurda, A., Dzyuba, A., Easo, S., Egede, U., Egorychev, V., Eidelman, S., Eisenhardt, S., Eitschberger, U., Ekelhof, R., Eklund, L., Rifai, I. El, Elsasser, Ch., Ely, S., Esen, S., Evans, H. M., Evans, T., Falabella, A., Färber, C., Farley, N., Farry, S., Fay, R., Fazzini, D., Ferguson, D., Albor, V. Fernandez, Ferrari, F., Rodrigues, F. Ferreira, Ferro-Luzzi, M., Filippov, S., Fiore, M., Fiorini, M., Firlej, M., Fitzpatrick, C., Fiutowski, T., Fleuret, F., Fohl, K., Fol, P., Fontana, M., Fontanelli, F., Forshaw, D. C., Forty, R., Frank, M., Frei, C., Frosini, M., Fu, J., Furfaro, E., Torreira, A. Gallas, Galli, D., Gallorini, S., Gambetta, S., Gandelman, M., Gandini, P., Gao, Y., Pardiñas, J. García, Tico, J. Garra, Garrido, L., Gascon, D., Gaspar, C., Gavardi, L., Gazzoni, G., Gerick, D., Gersabeck, E., Gersabeck, M., Gershon, T., Ghez, Ph., Gianì, S., Gibson, V., Girard, O. G., Giubega, L., Gligorov, V. V., Göbel, C., Golubkov, D., Golutvin, A., Gomes, A., Gotti, C., Gándara, M. Grabalosa, Diaz, R. Graciani, Cardoso, L. A. Granado, Graugés, E., Graverini, E., Graziani, G., Grecu, A., Griffith, P., Grillo, L., Grünberg, O., Gui, B., Gushchin, E., Guz, Yu., Gys, T., Hadavizadeh, T., Hadjivasiliou, C., Haefeli, G., Haen, C., Haines, S. C., Hall, S., Hamilton, B., Han, X., Hansmann-Menzemer, S., Harnew, N., Harnew, S. T., Harrison, J., He, J., Head, T., Heijne, V., Heister, A., Hennessy, K., Henrard, P., Henry, L., Morata, J. A. Hernando, van Herwijnen, E., Heß, M., Hicheur, A., Hill, D., Hoballah, M., Hombach, C., Hulsbergen, W., Humair, T., Hushchyn, M., Hussain, N., Hutchcroft, D., Hynds, D., Idzik, M., Ilten, P., Jacobsson, R., Jaeger, A., Jalocha, J., Jans, E., Jawahery, A., John, M., Johnson, D., Jones, C. R., Joram, C., Jost, B., Jurik, N., Kandybei, S., Kanso, W., Karacson, M., Karbach, T. M., Karodia, S., Kecke, M., Kelsey, M., Kenyon, I. R., Kenzie, M., Ketel, T., Khairullin, E., Khanji, B., Khurewathanakul, C., Kirn, T., Klaver, S., Klimaszewski, K., Kochebina, O., Kolpin, M., Komarov, I., Koopman, R. F., Koppenburg, P., Kozeiha, M., Kravchuk, L., Kreplin, K., Kreps, M., Krocker, G., Krokovny, P., Kruse, F., Krzemien, W., Kucewicz, W., Kucharczyk, M., Kudryavtsev, V., Kuonen, A. K., Kurek, K., Kvaratskheliya, T., Lacarrere, D., Lafferty, G., Lai, A., Lambert, D., Lanfranchi, G., Langenbruch, C., Langhans, B., Latham, T., Lazzeroni, C., Gac, R. Le, van Leerdam, J., Lees, J. -P., Lefèvre, R., Leflat, A., Lefrançois, J., Cid, E. Lemos, Leroy, O., Lesiak, T., Leverington, B., Li, Y., Likhomanenko, T., Liles, M., Lindner, R., Linn, C., Lionetto, F., Liu, B., Liu, X., Loh, D., Longstaff, I., Lopes, J. H., Lucchesi, D., Martinez, M. Lucio, Luo, H., Lupato, A., Luppi, E., Lupton, O., Lusardi, N., Lusiani, A., Machefert, F., Maciuc, F., Maev, O., Maguire, K., Malde, S., Malinin, A., Manca, G., Mancinelli, G., Manning, P., Mapelli, A., Maratas, J., Marchand, J. F., Marconi, U., Benito, C. Marin, Marino, P., Marks, J., Martellotti, G., Martin, M., Martinelli, M., Santos, D. Martinez, Vidal, F. Martinez, Tostes, D. Martins, Massacrier, L. M., Massafferri, A., Matev, R., Mathad, A., Mathe, Z., Matteuzzi, C., Mauri, A., Maurin, B., Mazurov, A., McCann, M., McCarthy, J., McNab, A., McNulty, R., Meadows, B., Meier, F., Meissner, M., Melnychuk, D., Merk, M., Merli, A, Michielin, E, Milanes, D. A., Minard, M. -N., Mitzel, D. S., Rodriguez, J. Molina, Monroy, I. A., Monteil, S., Morandin, M., Morawski, P., Mordà, A., Morello, M. J., Moron, J., Morris, A. B., Mountain, R., Muheim, F., Müller, D., Müller, J., Müller, K., Müller, V., Mussini, M., Muster, B., Naik, P., Nakada, T., Nandakumar, R., Nandi, A., Nasteva, I., Needham, M., Neri, N., Neubert, S., Neufeld, N., Neuner, M., Nguyen, A. D., Nguyen-Mau, C., Niess, V., Nieswand, S., Niet, R., Nikitin, N., Nikodem, T., Novoselov, A., O'Hanlon, D. P., Oblakowska-Mucha, A., Obraztsov, V., Ogilvy, S., Okhrimenko, O., Oldeman, R., Onderwater, C. J. G., Rodrigues, B. Osorio, Goicochea, J. M. Otalora, Otto, A., Owen, P., Oyanguren, A., Palano, A., Palombo, F., Palutan, M., Panman, J., Papanestis, A., Pappagallo, M., Pappalardo, L. L., Pappenheimer, C., Parker, W., Parkes, C., Passaleva, G., Patel, G. D., Patel, M., Patrignani, C., Pearce, A., Pellegrino, A., Penso, G., Altarelli, M. Pepe, Perazzini, S., Perret, P., Pescatore, L., Petridis, K., Petrolini, A., Petruzzo, M., Olloqui, E. Picatoste, Pietrzyk, B., Pikies, M., Pinci, D., Pistone, A., Piucci, A., Playfer, S., Casasus, M. Plo, Poikela, T., Polci, F., Poluektov, A., Polyakov, I., Polycarpo, E., Popov, A., Popov, D., Popovici, B., Potterat, C., Price, E., Price, J. D., Prisciandaro, J., Pritchard, A., Prouve, C., Pugatch, V., Navarro, A. Puig, Punzi, G., Qian, W., Quagliani, R., Rachwal, B., Rademacker, J. H., Rama, M., Pernas, M. Ramos, Rangel, M. S., Raniuk, I., Raven, G., Redi, F., Reichert, S., Reis, A. C. dos, Renaudin, V., Ricciardi, S., Richards, S., Rihl, M., Rinnert, K., Molina, V. Rives, Robbe, P., Rodrigues, A. B., Rodrigues, E., Lopez, J. A. Rodriguez, Perez, P. Rodriguez, Rogozhnikov, A., Roiser, S., Romanovsky, V., Vidal, A. Romero, Ronayne, J. W., Rotondo, M., Ruf, T., Valls, P. Ruiz, Silva, J. J. Saborido, Sagidova, N., Saitta, B., Guimaraes, V. Salustino, Mayordomo, C. Sanchez, Sedes, B. Sanmartin, Santacesaria, R., Rios, C. Santamarina, Santimaria, M., Santovetti, E., Sarti, A., Satriano, C., Satta, A., Saunders, D. M., Savrina, D., Schael, S., Schiller, M., Schindler, H., Schlupp, M., Schmelling, M., Schmelzer, T., Schmidt, B., Schneider, O., Schopper, A., Schubiger, M., Schune, M. -H., Schwemmer, R., Sciascia, B., Sciubba, A., Semennikov, A., Serra, N., Serrano, J., Sestini, L., Seyfert, P., Shapkin, M., Shapoval, I., Shcheglov, Y., Shears, T., Shekhtman, L., Shevchenko, V., Shires, A., Siddi, B. G., Coutinho, R. Silva, de Oliveira, L. Silva, Simi, G., Sirendi, M., Skidmore, N., Skwarnicki, T., Smith, E., Smith, I. T., Smith, J., Smith, M., Snoek, H., Sokoloff, M. D., Soler, F. J. P., Soomro, F., Souza, D., De Paula, B. Souza, Spaan, B., Spradlin, P., Sridharan, S., Stagni, F., Stahl, M., Stahl, S., Stefkova, S., Steinkamp, O., Stenyakin, O., Stevenson, S., Stoica, S., Stone, S., Storaci, B., Stracka, S., Straticiuc, M., Straumann, U., Sun, L., Sutcliffe, W., Swientek, K., Swientek, S., Syropoulos, V., Szczekowski, M., Szumlak, T., T'Jampens, S., Tayduganov, A., Tekampe, T., Tellarini, G., Teubert, F., Thomas, C., Thomas, E., van Tilburg, J., Tisserand, V., Tobin, M., Todd, J., Tolk, S., Tomassetti, L., Tonelli, D., Topp-Joergensen, S., Tournefier, E., Tourneur, S., Trabelsi, K., Traill, M., Tran, M. T., Tresch, M., Trisovic, A., Tsaregorodtsev, A., Tsopelas, P., Tuning, N., Ukleja, A., Ustyuzhanin, A., Uwer, U., Vacca, C., Vagnoni, V., Valenti, G., Vallier, A., Gomez, R. Vazquez, Regueiro, P. Vazquez, Sierra, C. Vázquez, Vecchi, S., van Veghel, M., Velthuis, J. J., Veltri, M., Veneziano, G., Vesterinen, M., Viaud, B., Vieira, D., Diaz, M. Vieites, Vilasis-Cardona, X., Volkov, V., Vollhardt, A., Voong, D., Vorobyev, A., Vorobyev, V., Voß, C., de Vries, J. A., Waldi, R., Wallace, C., Wallace, R., Walsh, J., Wang, J., Ward, D. R., Watson, N. K., Websdale, D., Weiden, A., Whitehead, M., Wicht, J., Wilkinson, G., Wilkinson, M., Williams, M., Williams, M. P., Williams, T., Wilson, F. F., Wimberley, J., Wishahi, J., Wislicki, W., Witek, M., Wormser, G., Wotton, S. A., Wraight, K., Wright, S., Wyllie, K., Xie, Y., Xu, Z., Yang, Z., Yu, J., Yuan, X., Yushchenko, O., Zangoli, M., Zavertyaev, M., Zhang, L., Zhang, Y., Zhelezov, A., Zhokhov, A., Zhong, L., Zhukov, V., and Zucchelli, S.
Subjects: High Energy Physics - Experiment
Abstract: A new algorithm for the determination of the initial flavour of $B_s^0$ mesons is presented. The algorithm is based on two neural networks and exploits the $b$ hadron production mechanism at a hadron collider. The first network is trained to select charged kaons produced in association with the $B_s^0$ meson. The second network combines the kaon charges to assign the $B_s^0$ flavour and estimates the probability of a wrong assignment. The algorithm is calibrated using data corresponding to an integrated luminosity of 3 fb$^{-1}$ collected by the LHCb experiment in proton-proton collisions at 7 and 8 TeV centre-of-mass energies. The calibration is performed in two ways: by resolving the $B_s^0$-$\bar{B}_s^0$ flavour oscillations in $B_s^0 \to D_s^- \pi^+$ decays, and by analysing flavour-specific $B_{s 2}^{*}(5840)^0 \to B^+ K^-$ decays. The tagging power measured in $B_s^0 \to D_s^- \pi^+$ decays is found to be $(1.80 \pm 0.19({\rm stat}) \pm 0.18({\rm syst}))$\%, which is an improvement of about 50\% compared to a similar algorithm previously used in the LHCb experiment., Comment: All figures and tables, along with any supplementary material and additional information, are available at https://lhcbproject.web.cern.ch/lhcbproject/Publications/LHCbProjectPublic/LHCb-PAPER-2015-056.html
Published: 2016
Full Text: View/download PDF

47. First observation of $D^0-\bar D^0$ oscillations in $D^0\to K^+\pi^-\pi^+\pi^-$ decays and measurement of the associated coherence parameters

Author: LHCb collaboration, Aaij, R., Beteta, C. Abellán, Adeva, B., Adinolfi, M., Affolder, A., Ajaltouni, Z., Akar, S., Albrecht, J., Alessio, F., Alexander, M., Ali, S., Alkhazov, G., Cartelle, P. Alvarez, Alves Jr, A. A., Amato, S., Amerio, S., Amhis, Y., An, L., Anderlini, L., Andreassi, G., Andreotti, M., Andrews, J. E., Appleby, R. B., Gutierrez, O. Aquines, Archilli, F., d'Argent, P., Artamonov, A., Artuso, M., Aslanides, E., Auriemma, G., Baalouch, M., Bachmann, S., Back, J. J., Badalov, A., Baesso, C., Baldini, W., Barlow, R. J., Barschel, C., Barsuk, S., Barter, W., Batozskaya, V., Battista, V., Bay, A., Beaucourt, L., Beddow, J., Bedeschi, F., Bediaga, I., Bel, L. J., Bellee, V., Belloli, N., Belyaev, I., Ben-Haim, E., Bencivenni, G., Benson, S., Benton, J., Berezhnoy, A., Bernet, R., Bertolin, A., Betti, F., Bettler, M. -O., van Beuzekom, M., Bifani, S., Billoir, P., Bird, T., Birnkraut, A., Bizzeti, A., Blake, T., Blanc, F., Blouw, J., Blusk, S., Bocci, V., Bondar, A., Bondar, N., Bonivento, W., Borgheresi, A., Borghi, S., Borisyak, M., Borsato, M., Bowcock, T. J. V., Bowen, E., Bozzi, C., Braun, S., Britsch, M., Britton, T., Brodzicka, J., Brook, N. H., Buchanan, E., Burr, C., Bursche, A., Buytaert, J., Cadeddu, S., Calabrese, R., Calvi, M., Gomez, M. Calvo, Campana, P., Perez, D. Campora, Capriotti, L., Carbone, A., Carboni, G., Cardinale, R., Cardini, A., Carniti, P., Carson, L., Akiba, K. Carvalho, Casse, G., Cassina, L., Garcia, L. Castillo, Cattaneo, M., Cauet, Ch., Cavallero, G., Cenci, R., Charles, M., Charpentier, Ph., Chefdeville, M., Chen, S., Cheung, S. -F., Chiapolini, N., Chrzaszcz, M., Vidal, X. Cid, Ciezarek, G., Clarke, P. E. L., Clemencic, M., Cliff, H. V., Closier, J., Coco, V., Cogan, J., Cogneras, E., Cogoni, V., Cojocariu, L., Collazuol, G., Collins, P., Comerma-Montells, A., Contu, A., Cook, A., Coombes, M., Coquereau, S., Corti, G., Corvo, M., Couturier, B., Cowan, G. A., Craik, D. C., Crocombe, A., Torres, M. Cruz, Cunliffe, S., Currie, R., D'Ambrosio, C., Dall'Occo, E., Dalseno, J., David, P. N. Y., Davis, A., Francisco, O. De Aguiar, De Bruyn, K., De Capua, S., De Cian, M., De Miranda, J. M., De Paula, L., De Simone, P., Dean, C. -T., Decamp, D., Deckenhoff, M., Del Buono, L., Déléage, N., Demmer, M., Derkach, D., Deschamps, O., Dettori, F., Dey, B., Di Canto, A., Di Ruscio, F., Dijkstra, H., Donleavy, S., Dordei, F., Dorigo, M., Suárez, A. Dosil, Dovbnya, A., Dreimanis, K., Dufour, L., Dujany, G., Dungs, K., Durante, P., Dzhelyadin, R., Dziurda, A., Dzyuba, A., Easo, S., Egede, U., Egorychev, V., Eidelman, S., Eisenhardt, S., Eitschberger, U., Ekelhof, R., Eklund, L., Rifai, I. El, Elsasser, Ch., Ely, S., Esen, S., Evans, H. M., Evans, T., Falabella, A., Färber, C., Farley, N., Farry, S., Fay, R., Fazzini, D., Ferguson, D., Albor, V. Fernandez, Ferrari, F., Rodrigues, F. Ferreira, Ferro-Luzzi, M., Filippov, S., Fiore, M., Fiorini, M., Firlej, M., Fitzpatrick, C., Fiutowski, T., Fleuret, F., Fohl, K., Fol, P., Fontana, M., Fontanelli, F., Forshaw, D. C., Forty, R., Frank, M., Frei, C., Frosini, M., Fu, J., Furfaro, E., Torreira, A. Gallas, Galli, D., Gallorini, S., Gambetta, S., Gandelman, M., Gandini, P., Gao, Y., Pardiñas, J. García, Tico, J. Garra, Garrido, L., Gascon, D., Gaspar, C., Gavardi, L., Gazzoni, G., Gerick, D., Gersabeck, E., Gersabeck, M., Gershon, T., Ghez, Ph., Gianì, S., Gibson, V., Girard, O. G., Giubega, L., Gligorov, V. V., Göbel, C., Golubkov, D., Golutvin, A., Gomes, A., Gotti, C., Gándara, M. Grabalosa, Diaz, R. Graciani, Cardoso, L. A. 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B., Mountain, R., Muheim, F., Müller, D., Müller, J., Müller, K., Müller, V., Mussini, M., Muster, B., Naik, P., Nakada, T., Nandakumar, R., Nandi, A., Nasteva, I., Needham, M., Neri, N., Neubert, S., Neufeld, N., Neuner, M., Nguyen, A. D., Nguyen-Mau, C., Niess, V., Nieswand, S., Niet, R., Nikitin, N., Nikodem, T., Novoselov, A., O'Hanlon, D. P., Oblakowska-Mucha, A., Obraztsov, V., Ogilvy, S., Okhrimenko, O., Oldeman, R., Onderwater, C. J. G., Rodrigues, B. Osorio, Goicochea, J. M. Otalora, Otto, A., Owen, P., Oyanguren, A., Palano, A., Palombo, F., Palutan, M., Panman, J., Papanestis, A., Pappagallo, M., Pappalardo, L. L., Pappenheimer, C., Parker, W., Parkes, C., Passaleva, G., Patel, G. D., Patel, M., Patrignani, C., Pearce, A., Pellegrino, A., Penso, G., Altarelli, M. Pepe, Perazzini, S., Perret, P., Pescatore, L., Petridis, K., Petrolini, A., Petruzzo, M., Olloqui, E. Picatoste, Pietrzyk, B., Pikies, M., Pinci, D., Pistone, A., Piucci, A., Playfer, S., Casasus, M. Plo, Poikela, T., Polci, F., Poluektov, A., Polyakov, I., Polycarpo, E., Popov, A., Popov, D., Popovici, B., Potterat, C., Price, E., Price, J. D., Prisciandaro, J., Pritchard, A., Prouve, C., Pugatch, V., Navarro, A. Puig, Punzi, G., Qian, W., Quagliani, R., Rachwal, B., Rademacker, J. H., Rama, M., Pernas, M. Ramos, Rangel, M. S., Raniuk, I., Raven, G., Redi, F., Reichert, S., Reis, A. C. dos, Renaudin, V., Ricciardi, S., Richards, S., Rihl, M., Rinnert, K., Molina, V. Rives, Robbe, P., Rodrigues, A. B., Rodrigues, E., Lopez, J. A. Rodriguez, Perez, P. Rodriguez, Rogozhnikov, A., Roiser, S., Romanovsky, V., Vidal, A. Romero, Ronayne, J. W., Rotondo, M., Ruf, T., Valls, P. Ruiz, Silva, J. J. Saborido, Sagidova, N., Saitta, B., Guimaraes, V. Salustino, Mayordomo, C. Sanchez, Sedes, B. Sanmartin, Santacesaria, R., Rios, C. Santamarina, Santimaria, M., Santovetti, E., Sarti, A., Satriano, C., Satta, A., Saunders, D. M., Savrina, D., Schael, S., Schiller, M., Schindler, H., Schlupp, M., Schmelling, M., Schmelzer, T., Schmidt, B., Schneider, O., Schopper, A., Schubiger, M., Schune, M. -H., Schwemmer, R., Sciascia, B., Sciubba, A., Semennikov, A., Sergi, A., Serra, N., Serrano, J., Sestini, L., Seyfert, P., Shapkin, M., Shapoval, I., Shcheglov, Y., Shears, T., Shekhtman, L., Shevchenko, V., Shires, A., Siddi, B. G., Coutinho, R. Silva, de Oliveira, L. Silva, Simi, G., Sirendi, M., Skidmore, N., Skwarnicki, T., Smith, E., Smith, I. T., Smith, J., Smith, M., Snoek, H., Sokoloff, M. D., Soler, F. J. P., Soomro, F., Souza, D., De Paula, B. Souza, Spaan, B., Spradlin, P., Sridharan, S., Stagni, F., Stahl, M., Stahl, S., Stefkova, S., Steinkamp, O., Stenyakin, O., Stevenson, S., Stoica, S., Stone, S., Storaci, B., Stracka, S., Straticiuc, M., Straumann, U., Sun, L., Sutcliffe, W., Swientek, K., Swientek, S., Syropoulos, V., Szczekowski, M., Szumlak, T., T'Jampens, S., Tayduganov, A., Tekampe, T., Tellarini, G., Teubert, F., Thomas, C., Thomas, E., van Tilburg, J., Tisserand, V., Tobin, M., Todd, J., Tolk, S., Tomassetti, L., Tonelli, D., Topp-Joergensen, S., Tournefier, E., Tourneur, S., Trabelsi, K., Traill, M., Tran, M. T., Tresch, M., Trisovic, A., Tsaregorodtsev, A., Tsopelas, P., Tuning, N., Ukleja, A., Ustyuzhanin, A., Uwer, U., Vacca, C., Vagnoni, V., Valenti, G., Vallier, A., Gomez, R. Vazquez, Regueiro, P. Vazquez, Sierra, C. Vázquez, Vecchi, S., van Veghel, M., Velthuis, J. J., Veltri, M., Veneziano, G., Vesterinen, M., Viaud, B., Vieira, D., Diaz, M. Vieites, Vilasis-Cardona, X., Volkov, V., Vollhardt, A., Voong, D., Vorobyev, A., Vorobyev, V., Voß, C., de Vries, J. A., Waldi, R., Wallace, C., Wallace, R., Walsh, J., Wang, J., Ward, D. R., Watson, N. K., Websdale, D., Weiden, A., Whitehead, M., Wicht, J., Wilkinson, G., Wilkinson, M., Williams, M., Williams, M. P., Williams, T., Wilson, F. F., Wimberley, J., Wishahi, J., Wislicki, W., Witek, M., Wormser, G., Wotton, S. A., Wraight, K., Wright, S., Wyllie, K., Xie, Y., Xu, Z., Yang, Z., Yin, H., Yu, J., Yuan, X., Yushchenko, O., Zangoli, M., Zavertyaev, M., Zhang, L., Zhang, Y., Zhelezov, A., Zhokhov, A., Zhong, L., Zhukov, V., and Zucchelli, S.
Subjects: High Energy Physics - Experiment
Abstract: Charm meson oscillations are observed in a time-dependent analysis of the ratio of $D^0\to K^+\pi^-\pi^+\pi^-$ to $D^0\to K^-\pi^+\pi^-\pi^+$ decay rates, using data corresponding to an integrated luminosity of $3.0\,{\rm fb}^{-1}$ recorded by the LHCb experiment. The measurements presented are sensitive to the phase-space averaged ratio of doubly Cabibbo-suppressed to Cabibbo-favoured amplitudes $r_{D}^{K3\pi}$ and the product of the coherence factor $R_{D}^{K3\pi}$ and a charm mixing parameter $y^{'}_{K3\pi}$. The constraints measured are $r_{D}^{K3\pi}=(5.67 \pm 0.12)\times10^{-2}$, which is the most precise determination to date, and $R_{D}^{K3\pi} \cdot y^{'}_{K3\pi} = (0.3 \pm 1.8)\times 10^{-3}$, which provides useful input for determinations of the CP-violating phase $\gamma$ in $B^\pm \to D K^\pm, D \to K^\mp\pi^\pm\pi^\mp\pi^\pm$ decays. The analysis also gives the most precise measurement of the $D^0\to K^+\pi^-\pi^+\pi^-$ branching fraction, and the first observation of $D^0-\bar D^0$ oscillations in this decay mode, with a significance of 8.2 standard deviations., Comment: All figures and tables, along with any supplementary material and additional information, are available at https://lhcbproject.web.cern.ch/lhcbproject/Publications/LHCbProjectPublic/LHCb-PAPER-2015-057.html
Published: 2016
Full Text: View/download PDF

48. Constraints on the unitarity triangle angle $\gamma$ from Dalitz plot analysis of $B^0 \to D K^+ \pi^-$ decays

Author: LHCb collaboration, Aaij, R., Beteta, C. Abellán, Adeva, B., Adinolfi, M., Affolder, A., Ajaltouni, Z., Akar, S., Albrecht, J., Alessio, F., Alexander, M., Ali, S., Alkhazov, G., Cartelle, P. Alvarez, Alves Jr, A. A., Amato, S., Amerio, S., Amhis, Y., An, L., Anderlini, L., Andreassi, G., Andreotti, M., Andrews, J. E., Appleby, R. B., Gutierrez, O. Aquines, Archilli, F., d'Argent, P., Artamonov, A., Artuso, M., Aslanides, E., Auriemma, G., Baalouch, M., Bachmann, S., Back, J. J., Badalov, A., Baesso, C., Baldini, W., Barlow, R. J., Barschel, C., Barsuk, S., Barter, W., Batozskaya, V., Battista, V., Bay, A., Beaucourt, L., Beddow, J., Bedeschi, F., Bediaga, I., Bel, L. J., Bellee, V., Belloli, N., Belyaev, I., Ben-Haim, E., Bencivenni, G., Benson, S., Benton, J., Berezhnoy, A., Bernet, R., Bertolin, A., Betti, F., Bettler, M. -O., van Beuzekom, M., Bifani, S., Billoir, P., Bird, T., Birnkraut, A., Bizzeti, A., Blake, T., Blanc, F., Blouw, J., Blusk, S., Bocci, V., Bondar, A., Bondar, N., Bonivento, W., Borgheresi, A., Borghi, S., Borisyak, M., Borsato, M., Bowcock, T. J. V., Bowen, E., Bozzi, C., Braun, S., Britsch, M., Britton, T., Brodzicka, J., Brook, N. H., Buchanan, E., Burr, C., Bursche, A., Buytaert, J., Cadeddu, S., Calabrese, R., Calvi, M., Gomez, M. Calvo, Campana, P., Perez, D. Campora, Capriotti, L., Carbone, A., Carboni, G., Cardinale, R., Cardini, A., Carniti, P., Carson, L., Akiba, K. Carvalho, Casse, G., Cassina, L., Garcia, L. Castillo, Cattaneo, M., Cauet, Ch., Cavallero, G., Cenci, R., Charles, M., Charpentier, Ph., Chefdeville, M., Chen, S., Cheung, S. -F., Chiapolini, N., Chrzaszcz, M., Vidal, X. Cid, Ciezarek, G., Clarke, P. E. L., Clemencic, M., Cliff, H. V., Closier, J., Coco, V., Cogan, J., Cogneras, E., Cogoni, V., Cojocariu, L., Collazuol, G., Collins, P., Comerma-Montells, A., Contu, A., Cook, A., Coombes, M., Coquereau, S., Corti, G., Corvo, M., Couturier, B., Cowan, G. A., Craik, D. C., Crocombe, A., Torres, M. Cruz, Cunliffe, S., Currie, R., D'Ambrosio, C., Dall'Occo, E., Dalseno, J., David, P. N. Y., Davis, A., Francisco, O. De Aguiar, De Bruyn, K., De Capua, S., De Cian, M., De Miranda, J. M., De Paula, L., De Simone, P., Dean, C. -T., Decamp, D., Deckenhoff, M., Del Buono, L., Déléage, N., Demmer, M., Derkach, D., Deschamps, O., Dettori, F., Dey, B., Di Canto, A., Di Ruscio, F., Dijkstra, H., Donleavy, S., Dordei, F., Dorigo, M., Suárez, A. Dosil, Dovbnya, A., Dreimanis, K., Dufour, L., Dujany, G., Dungs, K., Durante, P., Dzhelyadin, R., Dziurda, A., Dzyuba, A., Easo, S., Egede, U., Egorychev, V., Eidelman, S., Eisenhardt, S., Eitschberger, U., Ekelhof, R., Eklund, L., Rifai, I. El, Elsasser, Ch., Ely, S., Esen, S., Evans, H. M., Evans, T., Falabella, A., Färber, C., Farley, N., Farry, S., Fay, R., Fazzini, D., Ferguson, D., Albor, V. Fernandez, Ferrari, F., Rodrigues, F. Ferreira, Ferro-Luzzi, M., Filippov, S., Fiore, M., Fiorini, M., Firlej, M., Fitzpatrick, C., Fiutowski, T., Fleuret, F., Fohl, K., Fontana, M., Fontanelli, F., Forshaw, D. C., Forty, R., Frank, M., Frei, C., Frosini, M., Fu, J., Furfaro, E., Torreira, A. Gallas, Galli, D., Gallorini, S., Gambetta, S., Gandelman, M., Gandini, P., Gao, Y., Pardiñas, J. García, Tico, J. Garra, Garrido, L., Gascon, D., Gaspar, C., Gavardi, L., Gazzoni, G., Gerick, D., Gersabeck, E., Gersabeck, M., Gershon, T., Ghez, Ph., Gianì, S., Gibson, V., Girard, O. G., Giubega, L., Gligorov, V. V., Göbel, C., Golubkov, D., Golutvin, A., Gomes, A., Gotti, C., Gándara, M. Grabalosa, Diaz, R. Graciani, Cardoso, L. A. 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Plo, Poikela, T., Polci, F., Poluektov, A., Polyakov, I., Polycarpo, E., Popov, A., Popov, D., Popovici, B., Potterat, C., Price, E., Price, J. D., Prisciandaro, J., Pritchard, A., Prouve, C., Pugatch, V., Navarro, A. Puig, Punzi, G., Qian, W., Quagliani, R., Rachwal, B., Rademacker, J. H., Rama, M., Pernas, M. Ramos, Rangel, M. S., Raniuk, I., Raven, G., Redi, F., Reichert, S., Reis, A. C. dos, Renaudin, V., Ricciardi, S., Richards, S., Rihl, M., Rinnert, K., Molina, V. Rives, Robbe, P., Rodrigues, A. B., Rodrigues, E., Lopez, J. A. Rodriguez, Perez, P. Rodriguez, Rogozhnikov, A., Roiser, S., Romanovsky, V., Vidal, A. Romero, Ronayne, J. W., Rotondo, M., Ruf, T., Valls, P. Ruiz, Silva, J. J. Saborido, Sagidova, N., Saitta, B., Guimaraes, V. Salustino, Mayordomo, C. Sanchez, Sedes, B. Sanmartin, Santacesaria, R., Rios, C. Santamarina, Santimaria, M., Santovetti, E., Sarti, A., Satriano, C., Satta, A., Saunders, D. M., Savrina, D., Schael, S., Schiller, M., Schindler, H., Schlupp, M., Schmelling, M., Schmelzer, T., Schmidt, B., Schneider, O., Schopper, A., Schubiger, M., Schune, M. -H., Schwemmer, R., Sciascia, B., Sciubba, A., Semennikov, A., Sergi, A., Serra, N., Serrano, J., Sestini, L., Seyfert, P., Shapkin, M., Shapoval, I., Shcheglov, Y., Shears, T., Shekhtman, L., Shevchenko, V., Shires, A., Siddi, B. G., Coutinho, R. Silva, de Oliveira, L. Silva, Simi, G., Sirendi, M., Skidmore, N., Skwarnicki, T., Smith, E., Smith, I. T., Smith, J., Smith, M., Snoek, H., Sokoloff, M. D., Soler, F. J. P., Soomro, F., Souza, D., De Paula, B. Souza, Spaan, B., Spradlin, P., Sridharan, S., Stagni, F., Stahl, M., Stahl, S., Stefkova, S., Steinkamp, O., Stenyakin, O., Stevenson, S., Stoica, S., Stone, S., Storaci, B., Stracka, S., Straticiuc, M., Straumann, U., Sun, L., Sutcliffe, W., Swientek, K., Swientek, S., Syropoulos, V., Szczekowski, M., Szumlak, T., T'Jampens, S., Tayduganov, A., Tekampe, T., Tellarini, G., Teubert, F., Thomas, C., Thomas, E., van Tilburg, J., Tisserand, V., Tobin, M., Todd, J., Tolk, S., Tomassetti, L., Tonelli, D., Topp-Joergensen, S., Tournefier, E., Tourneur, S., Trabelsi, K., Traill, M., Tran, M. T., Tresch, M., Trisovic, A., Tsaregorodtsev, A., Tsopelas, P., Tuning, N., Ukleja, A., Ustyuzhanin, A., Uwer, U., Vacca, C., Vagnoni, V., Valenti, G., Vallier, A., Gomez, R. Vazquez, Regueiro, P. Vazquez, Sierra, C. Vázquez, Vecchi, S., van Veghel, M., Velthuis, J. J., Veltri, M., Veneziano, G., Vesterinen, M., Viaud, B., Vieira, D., Diaz, M. Vieites, Vilasis-Cardona, X., Volkov, V., Vollhardt, A., Voong, D., Vorobyev, A., Vorobyev, V., Voß, C., de Vries, J. A., Waldi, R., Wallace, C., Wallace, R., Walsh, J., Wang, J., Ward, D. R., Watson, N. K., Websdale, D., Weiden, A., Whitehead, M., Wicht, J., Wilkinson, G., Wilkinson, M., Williams, M., Williams, M. P., Williams, T., Wilson, F. F., Wimberley, J., Wishahi, J., Wislicki, W., Witek, M., Wormser, G., Wotton, S. A., Wraight, K., Wright, S., Wyllie, K., Xie, Y., Xu, Z., Yang, Z., Yin, H., Yu, J., Yuan, X., Yushchenko, O., Zangoli, M., Zavertyaev, M., Zhang, L., Zhang, Y., Zhelezov, A., Zheng, Y., Zhokhov, A., Zhong, L., Zhukov, V., and Zucchelli, S.
Subjects: High Energy Physics - Experiment
Abstract: The first study is presented of CP violation with an amplitude analysis of the Dalitz plot of $B^0 \to D K^+ \pi^-$ decays, with $D \to K^+ \pi^-$, $K^+ K^-$ and $\pi^+ \pi^-$. The analysis is based on a data sample corresponding to $3.0\,{\rm fb}^{-1}$ of $pp$ collisions collected with the LHCb detector. No significant CP violation effect is seen, and constraints are placed on the angle $\gamma$ of the unitarity triangle formed from elements of the Cabibbo-Kobayashi-Maskawa quark mixing matrix. Hadronic parameters associated with the $B^0 \to D K^*(892)^0$ decay are determined for the first time. These measurements can be used to improve the sensitivity to $\gamma$ of existing and future studies of the $B^0 \to D K^*(892)^0$ decay., Comment: All figures and tables, along with any supplementary material and additional information, are available at https://lhcbproject.web.cern.ch/lhcbproject/Publications/LHCbProjectPublic/LHCb-PAPER-2015-059.html; updated to correct figure 9 (numerical results unchanged)
Published: 2016
Full Text: View/download PDF

49. Measurement of the difference of time-integrated CP asymmetries in $D^0 \rightarrow K^{-} K^{+} $ and $D^0 \rightarrow \pi^{-} \pi^{+} $ decays

Author: LHCb collaboration, Aaij, R., Beteta, C. Abellán, Adeva, B., Adinolfi, M., Affolder, A., Ajaltouni, Z., Akar, S., Albrecht, J., Alessio, F., Alexander, M., Ali, S., Alkhazov, G., Cartelle, P. Alvarez, Alves Jr, A. A., Amato, S., Amerio, S., Amhis, Y., An, L., Anderlini, L., Andreassi, G., Andreotti, M., Andrews, J. E., Appleby, R. B., Gutierrez, O. Aquines, Archilli, F., d'Argent, P., Artamonov, A., Artuso, M., Aslanides, E., Auriemma, G., Baalouch, M., Bachmann, S., Back, J. J., Badalov, A., Baesso, C., Baldini, W., Barlow, R. J., Barschel, C., Barsuk, S., Barter, W., Batozskaya, V., Battista, V., Bay, A., Beaucourt, L., Beddow, J., Bedeschi, F., Bediaga, I., Bel, L. J., Bellee, V., Belloli, N., Belyaev, I., Ben-Haim, E., Bencivenni, G., Benson, S., Benton, J., Berezhnoy, A., Bernet, R., Bertolin, A., Betti, F., Bettler, M. -O., van Beuzekom, M., Bifani, S., Billoir, P., Bird, T., Birnkraut, A., Bizzeti, A., Blake, T., Blanc, F., Blouw, J., Blusk, S., Bocci, V., Bondar, A., Bondar, N., Bonivento, W., Borgheresi, A., Borghi, S., Borisyak, M., Borsato, M., Bowcock, T. J. V., Bowen, E., Bozzi, C., Braun, S., Britsch, M., Britton, T., Brodzicka, J., Brook, N. H., Buchanan, E., Burr, C., Bursche, A., Buytaert, J., Cadeddu, S., Calabrese, R., Calvi, M., Gomez, M. Calvo, Campana, P., Perez, D. Campora, Capriotti, L., Carbone, A., Carboni, G., Cardinale, R., Cardini, A., Carniti, P., Carson, L., Akiba, K. Carvalho, Casse, G., Cassina, L., Garcia, L. Castillo, Cattaneo, M., Cauet, Ch., Cavallero, G., Cenci, R., Charles, M., Charpentier, Ph., Chefdeville, M., Chen, S., Cheung, S. -F., Chiapolini, N., Chrzaszcz, M., Vidal, X. Cid, Ciezarek, G., Clarke, P. E. L., Clemencic, M., Cliff, H. V., Closier, J., Coco, V., Cogan, J., Cogneras, E., Cogoni, V., Cojocariu, L., Collazuol, G., Collins, P., Comerma-Montells, A., Contu, A., Cook, A., Coombes, M., Coquereau, S., Corti, G., Corvo, M., Couturier, B., Cowan, G. A., Craik, D. C., Crocombe, A., Torres, M. Cruz, Cunliffe, S., Currie, R., D'Ambrosio, C., Dall'Occo, E., Dalseno, J., David, P. N. Y., Davis, A., Francisco, O. De Aguiar, De Bruyn, K., De Capua, S., De Cian, M., De Miranda, J. M., De Paula, L., De Simone, P., Dean, C. -T., Decamp, D., Deckenhoff, M., Del Buono, L., Déléage, N., Demmer, M., Derkach, D., Deschamps, O., Dettori, F., Dey, B., Di Canto, A., Di Ruscio, F., Dijkstra, H., Donleavy, S., Dordei, F., Dorigo, M., Suárez, A. Dosil, Dovbnya, A., Dreimanis, K., Dufour, L., Dujany, G., Dungs, K., Durante, P., Dzhelyadin, R., Dziurda, A., Dzyuba, A., Easo, S., Egede, U., Egorychev, V., Eidelman, S., Eisenhardt, S., Eitschberger, U., Ekelhof, R., Eklund, L., Rifai, I. El, Elsasser, Ch., Ely, S., Esen, S., Evans, H. M., Evans, T., Falabella, A., Färber, C., Farley, N., Farry, S., Fay, R., Fazzini, D., Ferguson, D., Albor, V. Fernandez, Ferrari, F., Rodrigues, F. Ferreira, Ferro-Luzzi, M., Filippov, S., Fiore, M., Fiorini, M., Firlej, M., Fitzpatrick, C., Fiutowski, T., Fleuret, F., Fohl, K., Fol, P., Fontana, M., Fontanelli, F., Forshaw, D. C., Forty, R., Frank, M., Frei, C., Frosini, M., Fu, J., Furfaro, E., Torreira, A. Gallas, Galli, D., Gallorini, S., Gambetta, S., Gandelman, M., Gandini, P., Gao, Y., Pardiñas, J. García, Tico, J. Garra, Garrido, L., Gascon, D., Gaspar, C., Gavardi, L., Gazzoni, G., Gerick, D., Gersabeck, E., Gersabeck, M., Gershon, T., Ghez, Ph., Gianì, S., Gibson, V., Girard, O. G., Giubega, L., Gligorov, V. V., Göbel, C., Golubkov, D., Golutvin, A., Gomes, A., Gotti, C., Gándara, M. Grabalosa, Diaz, R. Graciani, Cardoso, L. A. Granado, Graugés, E., Graverini, E., Graziani, G., Grecu, A., Griffith, P., Grillo, L., Grünberg, O., Gui, B., Gushchin, E., Guz, Yu., Gys, T., Hadavizadeh, T., Hadjivasiliou, C., Haefeli, G., Haen, C., Haines, S. C., Hall, S., Hamilton, B., Han, X., Hansmann-Menzemer, S., Harnew, N., Harnew, S. T., Harrison, J., He, J., Head, T., Heijne, V., Heister, A., Hennessy, K., Henrard, P., Henry, L., Morata, J. A. Hernando, van Herwijnen, E., Heß, M., Hicheur, A., Hill, D., Hoballah, M., Hombach, C., Hulsbergen, W., Humair, T., Hushchyn, M., Hussain, N., Hutchcroft, D., Hynds, D., Idzik, M., Ilten, P., Jacobsson, R., Jaeger, A., Jalocha, J., Jans, E., Jawahery, A., John, M., Johnson, D., Jones, C. R., Joram, C., Jost, B., Jurik, N., Kandybei, S., Kanso, W., Karacson, M., Karbach, T. M., Karodia, S., Kecke, M., Kelsey, M., Kenyon, I. R., Kenzie, M., Ketel, T., Khairullin, E., Khanji, B., Khurewathanakul, C., Kirn, T., Klaver, S., Klimaszewski, K., Kochebina, O., Kolpin, M., Komarov, I., Koopman, R. F., Koppenburg, P., Kozeiha, M., Kravchuk, L., Kreplin, K., Kreps, M., Krokovny, P., Kruse, F., Krzemien, W., Kucewicz, W., Kucharczyk, M., Kudryavtsev, V., Kuonen, A. K., Kurek, K., Kvaratskheliya, T., Lacarrere, D., Lafferty, G., Lai, A., Lambert, D., Lanfranchi, G., Langenbruch, C., Langhans, B., Latham, T., Lazzeroni, C., Gac, R. Le, van Leerdam, J., Lees, J. -P., Lefèvre, R., Leflat, A., Lefrançois, J., Cid, E. Lemos, Leroy, O., Lesiak, T., Leverington, B., Li, Y., Likhomanenko, T., Liles, M., Lindner, R., Linn, C., Lionetto, F., Liu, B., Liu, X., Loh, D., Longstaff, I., Lopes, J. H., Lucchesi, D., Martinez, M. Lucio, Luo, H., Lupato, A., Luppi, E., Lupton, O., Lusiani, A., Machefert, F., Maciuc, F., Maev, O., Maguire, K., Malde, S., Malinin, A., Manca, G., Mancinelli, G., Manning, P., Mapelli, A., Maratas, J., Marchand, J. F., Marconi, U., Benito, C. Marin, Marino, P., Marks, J., Martellotti, G., Martin, M., Martinelli, M., Santos, D. Martinez, Vidal, F. Martinez, Tostes, D. Martins, Massacrier, L. M., Massafferri, A., Matev, R., Mathad, A., Mathe, Z., Matteuzzi, C., Mauri, A., Maurin, B., Mazurov, A., McCann, M., McCarthy, J., McNab, A., McNulty, R., Meadows, B., Meier, F., Meissner, M., Melnychuk, D., Merk, M., Merli, A, Michielin, E, Milanes, D. A., Minard, M. -N., Mitzel, D. S., Rodriguez, J. Molina, Monroy, I. A., Monteil, S., Morandin, M., Morawski, P., Mordà, A., Morello, M. J., Moron, J., Morris, A. B., Mountain, R., Muheim, F., Müller, D., Müller, J., Müller, K., Müller, V., Mussini, M., Muster, B., Naik, P., Nakada, T., Nandakumar, R., Nandi, A., Nasteva, I., Needham, M., Neri, N., Neubert, S., Neufeld, N., Neuner, M., Nguyen, A. D., Nguyen-Mau, C., Niess, V., Niet, R., Nikitin, N., Nikodem, T., Novoselov, A., O'Hanlon, D. P., Oblakowska-Mucha, A., Obraztsov, V., Ogilvy, S., Okhrimenko, O., Oldeman, R., Onderwater, C. J. G., Rodrigues, B. Osorio, Goicochea, J. M. Otalora, Otto, A., Owen, P., Oyanguren, A., Palano, A., Palombo, F., Palutan, M., Panman, J., Papanestis, A., Pappagallo, M., Pappalardo, L. L., Pappenheimer, C., Parker, W., Parkes, C., Passaleva, G., Patel, G. D., Patel, M., Patrignani, C., Pearce, A., Pellegrino, A., Penso, G., Altarelli, M. Pepe, Perazzini, S., Perret, P., Pescatore, L., Petridis, K., Petrolini, A., Petruzzo, M., Olloqui, E. Picatoste, Pietrzyk, B., Pikies, M., Pinci, D., Pistone, A., Piucci, A., Playfer, S., Casasus, M. Plo, Poikela, T., Polci, F., Poluektov, A., Polyakov, I., Polycarpo, E., Popov, A., Popov, D., Popovici, B., Potterat, C., Price, E., Price, J. D., Prisciandaro, J., Pritchard, A., Prouve, C., Pugatch, V., Navarro, A. Puig, Punzi, G., Qian, W., Quagliani, R., Rachwal, B., Rademacker, J. H., Rama, M., Pernas, M. Ramos, Rangel, M. S., Raniuk, I., Raven, G., Redi, F., Reichert, S., Reis, A. C. dos, Renaudin, V., Ricciardi, S., Richards, S., Rihl, M., Rinnert, K., Molina, V. Rives, Robbe, P., Rodrigues, A. B., Rodrigues, E., Lopez, J. A. Rodriguez, Perez, P. Rodriguez, Roiser, S., Romanovsky, V., Vidal, A. Romero, Ronayne, J. W., Rotondo, M., Ruf, T., Valls, P. Ruiz, Silva, J. J. Saborido, Sagidova, N., Saitta, B., Guimaraes, V. Salustino, Mayordomo, C. Sanchez, Sedes, B. Sanmartin, Santacesaria, R., Rios, C. Santamarina, Santimaria, M., Santovetti, E., Sarti, A., Satriano, C., Satta, A., Saunders, D. M., Savrina, D., Schael, S., Schiller, M., Schindler, H., Schlupp, M., Schmelling, M., Schmelzer, T., Schmidt, B., Schneider, O., Schopper, A., Schubiger, M., Schune, M. -H., Schwemmer, R., Sciascia, B., Sciubba, A., Semennikov, A., Sergi, A., Serra, N., Serrano, J., Sestini, L., Seyfert, P., Shapkin, M., Shapoval, I., Shcheglov, Y., Shears, T., Shekhtman, L., Shevchenko, V., Shires, A., Siddi, B. G., Coutinho, R. Silva, de Oliveira, L. Silva, Simi, G., Sirendi, M., Skidmore, N., Skwarnicki, T., Smith, E., Smith, I. T., Smith, J., Smith, M., Snoek, H., Sokoloff, M. D., Soler, F. J. P., Soomro, F., Souza, D., De Paula, B. Souza, Spaan, B., Spradlin, P., Sridharan, S., Stagni, F., Stahl, M., Stahl, S., Stefkova, S., Steinkamp, O., Stenyakin, O., Stevenson, S., Stoica, S., Stone, S., Storaci, B., Stracka, S., Straticiuc, M., Straumann, U., Sun, L., Sutcliffe, W., Swientek, K., Swientek, S., Syropoulos, V., Szczekowski, M., Szumlak, T., T'Jampens, S., Tayduganov, A., Tekampe, T., Tellarini, G., Teubert, F., Thomas, C., Thomas, E., van Tilburg, J., Tisserand, V., Tobin, M., Todd, J., Tolk, S., Tomassetti, L., Tonelli, D., Topp-Joergensen, S., Tournefier, E., Tourneur, S., Trabelsi, K., Traill, M., Tran, M. T., Tresch, M., Trisovic, A., Tsaregorodtsev, A., Tsopelas, P., Tuning, N., Ukleja, A., Ustyuzhanin, A., Uwer, U., Vacca, C., Vagnoni, V., Valenti, G., Vallier, A., Gomez, R. Vazquez, Regueiro, P. Vazquez, Sierra, C. Vázquez, Vecchi, S., van Veghel, M., Velthuis, J. J., Veltri, M., Veneziano, G., Vesterinen, M., Viaud, B., Vieira, D., Diaz, M. Vieites, Vilasis-Cardona, X., Volkov, V., Vollhardt, A., Voong, D., Vorobyev, A., Vorobyev, V., Voß, C., de Vries, J. A., Waldi, R., Wallace, C., Wallace, R., Walsh, J., Wang, J., Ward, D. R., Watson, N. K., Websdale, D., Weiden, A., Whitehead, M., Wicht, J., Wilkinson, G., Wilkinson, M., Williams, M., Williams, M. P., Williams, T., Wilson, F. F., Wimberley, J., Wishahi, J., Wislicki, W., Witek, M., Wormser, G., Wotton, S. A., Wraight, K., Wright, S., Wyllie, K., Xie, Y., Xu, Z., Yang, Z., Yu, J., Yuan, X., Yushchenko, O., Zangoli, M., Zavertyaev, M., Zhang, L., Zhang, Y., Zhelezov, A., Zhokhov, A., Zhong, L., Zhukov, V., and Zucchelli, S.
Subjects: High Energy Physics - Experiment
Abstract: A search for CP violation in $D^0 \rightarrow K^{-} K^{+} $ and $D^0 \rightarrow \pi^{-} \pi^{+} $ decays is performed using $pp$ collision data, corresponding to an integrated luminosity of $3~fb^{-1}$, collected using the LHCb detector at centre-of-mass energies of 7 and $8~$TeV. The flavour of the charm meson is inferred from the charge of the pion in $D^{*+}\rightarrow D^0\pi^+$ and $D^{*-}\rightarrow \bar{D^0}\pi^{-}$ decays. The difference between the CP asymmetries in $D^0 \rightarrow K^{-} K^{+} $ and $D^0 \rightarrow \pi^{-} \pi^{+} $ decays, $\Delta A_{CP} \equiv A_{CP}(K^{-} K^{+}) - A_{CP}(\pi^{-} \pi^{+})$, is measured to be $\left( -0.10 \pm 0.08(stat) \pm 0.03(syst) \right) \%$. This is the most precise measurement of a time-integrated CP asymmetry in the charm sector from a single experiment., Comment: All figures and tables, along with any supplementary material and additional information, are available at http://lhcbproject.web.cern.ch/lhcbproject/Publications/LHCbProjectPublic/LHCb-PAPER-2015-055.html
Published: 2016
Full Text: View/download PDF

50. Study of $\psi(2S)$ production and cold nuclear matter effects in pPb collisions at $\sqrt{s_{NN}}=5~\mathrm{TeV}$

Author: LHCb collaboration, Aaij, R., Beteta, C. Abellán, Adeva, B., Adinolfi, M., Affolder, A., Ajaltouni, Z., Akar, S., Albrecht, J., Alessio, F., Alexander, M., Ali, S., Alkhazov, G., Cartelle, P. Alvarez, Alves Jr, A. A., Amato, S., Amerio, S., Amhis, Y., An, L., Anderlini, L., Andreassi, G., Andreotti, M., Andrews, J. E., Appleby, R. B., Gutierrez, O. Aquines, Archilli, F., d'Argent, P., Artamonov, A., Artuso, M., Aslanides, E., Auriemma, G., Baalouch, M., Bachmann, S., Back, J. J., Badalov, A., Baesso, C., Baldini, W., Barlow, R. J., Barschel, C., Barsuk, S., Barter, W., Batozskaya, V., Battista, V., Bay, A., Beaucourt, L., Beddow, J., Bedeschi, F., Bediaga, I., Bel, L. J., Bellee, V., Belloli, N., Belyaev, I., Ben-Haim, E., Bencivenni, G., Benson, S., Benton, J., Berezhnoy, A., Bernet, R., Bertolin, A., Betti, F., Bettler, M. -O., van Beuzekom, M., Bifani, S., Billoir, P., Bird, T., Birnkraut, A., Bizzeti, A., Blake, T., Blanc, F., Blouw, J., Blusk, S., Bocci, V., Bondar, A., Bondar, N., Bonivento, W., Borgheresi, A., Borghi, S., Borisyak, M., Borsato, M., Bowcock, T. J. V., Bowen, E., Bozzi, C., Braun, S., Britsch, M., Britton, T., Brodzicka, J., Brook, N. H., Buchanan, E., Burr, C., Bursche, A., Buytaert, J., Cadeddu, S., Calabrese, R., Calvi, M., Gomez, M. Calvo, Campana, P., Perez, D. Campora, Capriotti, L., Carbone, A., Carboni, G., Cardinale, R., Cardini, A., Carniti, P., Carson, L., Akiba, K. Carvalho, Casse, G., Cassina, L., Garcia, L. Castillo, Cattaneo, M., Cauet, Ch., Cavallero, G., Cenci, R., Charles, M., Charpentier, Ph., Chefdeville, M., Chen, S., Cheung, S. -F., Chiapolini, N., Chrzaszcz, M., Vidal, X. Cid, Ciezarek, G., Clarke, P. E. L., Clemencic, M., Cliff, H. V., Closier, J., Coco, V., Cogan, J., Cogneras, E., Cogoni, V., Cojocariu, L., Collazuol, G., Collins, P., Comerma-Montells, A., Contu, A., Cook, A., Coombes, M., Coquereau, S., Corti, G., Corvo, M., Couturier, B., Cowan, G. A., Craik, D. C., Crocombe, A., Torres, M. Cruz, Cunliffe, S., Currie, R., D'Ambrosio, C., Dall'Occo, E., Dalseno, J., David, P. N. Y., Davis, A., Francisco, O. De Aguiar, De Bruyn, K., De Capua, S., De Cian, M., De Miranda, J. M., De Paula, L., De Simone, P., Dean, C. -T., Decamp, D., Deckenhoff, M., Del Buono, L., Déléage, N., Demmer, M., Derkach, D., Deschamps, O., Dettori, F., Dey, B., Di Canto, A., Di Ruscio, F., Dijkstra, H., Donleavy, S., Dordei, F., Dorigo, M., Suárez, A. Dosil, Dovbnya, A., Dreimanis, K., Dufour, L., Dujany, G., Dungs, K., Durante, P., Dzhelyadin, R., Dziurda, A., Dzyuba, A., Easo, S., Egede, U., Egorychev, V., Eidelman, S., Eisenhardt, S., Eitschberger, U., Ekelhof, R., Eklund, L., Rifai, I. El, Elsasser, Ch., Ely, S., Esen, S., Evans, H. M., Evans, T., Falabella, A., Färber, C., Farley, N., Farry, S., Fay, R., Fazzini, D., Ferguson, D., Albor, V. Fernandez, Ferrari, F., Rodrigues, F. Ferreira, Ferro-Luzzi, M., Filippov, S., Fiore, M., Fiorini, M., Firlej, M., Fitzpatrick, C., Fiutowski, T., Fleuret, F., Fohl, K., Fol, P., Fontana, M., Fontanelli, F., Forshaw, D. C., Forty, R., Frank, M., Frei, C., Frosini, M., Fu, J., Furfaro, E., Torreira, A. Gallas, Galli, D., Gallorini, S., Gambetta, S., Gandelman, M., Gandini, P., Gao, Y., Pardiñas, J. García, Tico, J. Garra, Garrido, L., Gascon, D., Gaspar, C., Gavardi, L., Gazzoni, G., Gerick, D., Gersabeck, E., Gersabeck, M., Gershon, T., Ghez, Ph., Gianì, S., Gibson, V., Girard, O. G., Giubega, L., Gligorov, V. V., Göbel, C., Golubkov, D., Golutvin, A., Gomes, A., Gotti, C., Gándara, M. Grabalosa, Diaz, R. Graciani, Cardoso, L. A. 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Vieites, Vilasis-Cardona, X., Volkov, V., Vollhardt, A., Voong, D., Vorobyev, A., Vorobyev, V., Voß, C., de Vries, J. A., Waldi, R., Wallace, C., Wallace, R., Walsh, J., Wang, J., Ward, D. R., Watson, N. K., Websdale, D., Weiden, A., Whitehead, M., Wicht, J., Wilkinson, G., Wilkinson, M., Williams, M., Williams, M. P., Williams, T., Wilson, F. F., Wimberley, J., Wishahi, J., Wislicki, W., Witek, M., Wormser, G., Wotton, S. A., Wraight, K., Wright, S., Wyllie, K., Xie, Y., Xu, Z., Yang, Z., Yin, H., Yu, J., Yuan, X., Yushchenko, O., Zangoli, M., Zavertyaev, M., Zhang, L., Zhang, Y., Zhelezov, A., Zhokhov, A., Zhong, L., Zhukov, V., and Zucchelli, S.
Subjects: Nuclear Experiment, High Energy Physics - Experiment
Abstract: The production of $\psi(2S)$ mesons is studied in dimuon final states using proton-lead collision data collected by the LHCb detector. The data sample corresponds to an integrated luminosity of $1.6~\mathrm{nb}^{-1}$. The nucleon-nucleon centre-of-mass energy of the proton-lead collisions is $\sqrt{s_{NN}}=5~\mathrm{TeV}$. The measurement is performed using $\psi(2S)$ mesons with transverse momentum less than $14~\mathrm{GeV}/c$ and rapidity $y$ in the ranges $1.5
Published: 2016
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