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  1. Article: Troubles du comportement d'origine neurologique

    Annoni, J.-M. / Gramigna, S. / Bogousslavsky, J.

    Schweizer Archiv für Neurologie und Psychiatrie

    2002  Volume 153, Issue 8, Page(s) 354

    Language German
    Document type Article
    ZDB-ID 1206-3
    Database Current Contents Medicine

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  2. Article: Dimensions multiples de la fatigue d'origine neurologique: différences entre l'accident vasculaire cérébral et la sclérose en plaques.

    Gramigna, S / Schluep, M / Staub, F / Bruggimann, L / Simioni, S / Bogousslavsky, J / Annoni, J M

    Revue neurologique

    2007  Volume 163, Issue 3, Page(s) 341–348

    Abstract: Introduction: Fatigue is a complex, subjective experience, frequent in multiple sclerosis (MS) and stroke patients. The tiredness these patients experience can take on many features depending not only on the cerebral location of the lesions and mood ... ...

    Title translation Fatigue in neurological disease: different patterns in stroke and multiple sclerosis.
    Abstract Introduction: Fatigue is a complex, subjective experience, frequent in multiple sclerosis (MS) and stroke patients. The tiredness these patients experience can take on many features depending not only on the cerebral location of the lesions and mood aspects, but also on the pathophysiology of the disease. Thus, it is reasonable to expect that fatigue may have different implications in MS and stroke. The aim of the present work was to compare fatigue syndrome in these two populations. Patients were matched for handicap.
    Materials and methods: Seventy-nine stroke and 39 MS outpatients were included with the following inclusion criteria: i) patients with possible or relapsing-remitting MS with an Expanded Disability Status Scale (EDSS) score<2.5, disease duration<6 years, and stable medical condition for at least 6 weeks; ii) stroke patients with mild neurological impairment, i.e. scoring<3 at the National Institute of Health Stroke Scale (NIHSS) one year after stroke; iii) absence of functional impairment (Barthel index=100) and similar negligible handicap (Rankin scale<2 for both groups); no or mild cognitive deficit; iv) neither DSMIV criteria of depression, nor significant anxious/depressive symptoms (Hospital Anxiety and Depression scale; HAD; score<8) in both groups. The Fatigue Assessing Instrument (FAI) was used to assess fatigue.
    Results: Twenty-nine percent of stroke and 46 p. cent of MS patients had a significant score on the FAI (p<0.05). Multiple regression analysis using groups, gender and age as factors showed a group effect in 3 out of 4 subscales: MS patients scored higher than stroke patients mainly for psychic impact (4.86 vs. 3.28), but also for severity (mean 3.86 vs. 2.97) and specificity (4.36 vs. 3.32). Response to rest (5.36 vs. 6.06) only tended to be better in the stroke group. In the subpopulation with significant fatigue scores, psychic impact was more elevated in the MS group. The functional consequence of fatigue in physical, professional and social activities were similar.
    Discussion: Fatigue was more severe in MS than stroke patients, independently of disability. The most significant factor in the MS group was the psychic impact, reflecting impaired motivation, concentration and irritability, despite the absence of depression. However, subjective consequences of fatigue on work, family and leisure activities were comparable in both groups.
    MeSH term(s) Adult ; Aged ; Attention ; Fatigue/etiology ; Fatigue/physiopathology ; Humans ; Middle Aged ; Motivation ; Multiple Sclerosis/physiopathology ; Multiple Sclerosis/psychology ; Severity of Illness Index ; Stroke/physiopathology ; Veterans Disability Claims
    Language French
    Publishing date 2007-03-27
    Publishing country France
    Document type English Abstract ; Journal Article
    ZDB-ID 4593-7
    ISSN 2213-0004 ; 0035-3787
    ISSN (online) 2213-0004
    ISSN 0035-3787
    DOI 10.1016/s0035-3787(07)90406-3
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Book: L'arte dello speziale

    Gramigna, Silvia

    cure naturali e tradizioni al tempo della Serenissima

    (Curiosità veneziane)

    1988  

    Author's details Silvia Gramigna
    Series title Curiosità veneziane
    MeSH term(s) History of Medicine ; Phytotherapy/history ; Spices/history
    Keywords Italy
    Language Italian
    Size 84 p. :, ill.
    Publisher Centro internazionale della grafica di Venezia
    Publishing place Venezia
    Document type Book
    Database Catalogue of the US National Library of Medicine (NLM)

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  4. Article ; Online: Effect of modafinil on subjective fatigue in multiple sclerosis and stroke patients.

    Brioschi, Andrea / Gramigna, Sandrine / Werth, Esther / Staub, Fabienne / Ruffieux, Christiane / Bassetti, Claudio / Schluep, Myriam / Annoni, Jean-Marie

    European neurology

    2009  Volume 62, Issue 4, Page(s) 243–249

    Abstract: Background: Modafinil has anecdotal response to neurological fatigue, but such an effect may depend on the type and location of cerebral impairment.: Objectives: It was the aim of this study to compare fatigue observed in different neurological ... ...

    Abstract Background: Modafinil has anecdotal response to neurological fatigue, but such an effect may depend on the type and location of cerebral impairment.
    Objectives: It was the aim of this study to compare fatigue observed in different neurological pathologies, to evaluate the tolerability to modafinil, and to describe changes in subjective fatigue.
    Methods: We enrolled 14 brainstem or diencephalic stroke (BDS) patients, 9 cortical stroke (CS) patients and 17 multiple sclerosis (MS) patients. The Fatigue Assessment Instrument severity scale was performed at baseline, after 3 months of modafinil and after 1 month of washout. Cognition, mood and somnolence were assessed. A subgroup of 14 patients underwent activity measures before and during treatment.
    Results: Thirty-one patients completed the study (10 BDS, 9 CS, 12 MS). The responder profile is more frequent in MS than in CS (p = 0.04), and in BDS than in CS patients (p = 0.04). Actiwatch measures showed no changes in activity during, before and after therapy.
    Conclusion: Modafinil was tolerated in 75% of patients at small doses and seemed to improve the severity of fatigue in the MS and BDS groups but not in the CS group. There was no modification in measured physical activity.
    MeSH term(s) Adult ; Benzhydryl Compounds/adverse effects ; Benzhydryl Compounds/therapeutic use ; Central Nervous System Stimulants/therapeutic use ; Dose-Response Relationship, Drug ; Fatigue/complications ; Fatigue/drug therapy ; Female ; Humans ; Male ; Middle Aged ; Multiple Sclerosis/complications ; Neuropsychological Tests ; Patient Selection ; Psychiatric Status Rating Scales ; Severity of Illness Index ; Sleep/drug effects ; Stroke/complications ; Surveys and Questionnaires ; Treatment Outcome ; Wakefulness/drug effects
    Chemical Substances Benzhydryl Compounds ; Central Nervous System Stimulants ; modafinil (R3UK8X3U3D)
    Language English
    Publishing date 2009
    Publishing country Switzerland
    Document type Comparative Study ; Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 209426-5
    ISSN 1421-9913 ; 0014-3022
    ISSN (online) 1421-9913
    ISSN 0014-3022
    DOI 10.1159/000232927
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article: Emotional disturbances after stroke.

    Annoni, Jean-Marie / Staub, Fabienne / Bruggimann, Laure / Gramigna, Sandrine / Bogousslavsky, Julien

    Clinical and experimental hypertension (New York, N.Y. : 1993)

    2001  Volume 28, Issue 3-4, Page(s) 243–249

    Abstract: Impairment after stroke may have acute and long-lasting psychological implications. Additionally, organic brain dysfunction also appears to play an important role in poststroke affective modifications. Emotional state is multidetermined and can be ... ...

    Abstract Impairment after stroke may have acute and long-lasting psychological implications. Additionally, organic brain dysfunction also appears to play an important role in poststroke affective modifications. Emotional state is multidetermined and can be specifically modified by alteration of some brain networks. This article illustrates a certain number of acute and more chronic emotional disturbances after stroke, such as mood disorders, emotional dyscontrol, and modification of emotional experiences. Some neural mechanisms implicated in these modifications are discussed. The main modifications described are depression anxiety, psychosis, modification of emotional experience, and fatigue.
    MeSH term(s) Affective Symptoms/etiology ; Affective Symptoms/psychology ; Humans ; Risk Factors ; Severity of Illness Index ; Stroke/complications ; Stroke/psychology
    Language English
    Publishing date 2001-01-10
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't ; Review
    ZDB-ID 604757-9
    ISSN 1064-1963 ; 0730-0077
    ISSN 1064-1963 ; 0730-0077
    DOI 10.1080/10641960600549173
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Book: Scuole di Arti Mestieri e devozione a Venezia

    Gramigna, Silvia / Perissa, Annalisa

    1981  

    Author's details Silvia Gramigna ; Annalisa Perissa. Saggio introd. di Gianni Scarabello. Fotografie di Alberto Favaretto
    Size 126 S, 174 Abb., 4°
    Publisher Arsenale Cooperativa Ed
    Publishing place Venezia
    Document type Book
    Database Former special subject collection: coastal and deep sea fishing

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  7. Article: Effect of Modafinil on Subjective Fatigue in Multiple Sclerosis and Stroke Patients

    Brioschi, Andrea / Gramigna, Sandrine / Werth, Esther / Staub, Fabienne / Ruffieux, Christiane / Bassetti, Claudio / Schluep, Myriam / Annoni, Jean-Marie

    European Neurology

    2009  Volume 62, Issue 4, Page(s) 243–249

    Abstract: Background: Modafinil has anecdotal response to neurological fatigue, but such an effect may depend on the type and location of cerebral impairment. Objectives: It was the aim of this study to compare fatigue observed in different neurological ... ...

    Institution Department of Neurology, and Social and Preventive Medicine, Lausanne University Hospital, Lausanne Department of Neurology, University Hospital Zurich, Zurich, and Department of Neurology, Geneva University Hospital, Geneva, Switzerland
    Abstract Background: Modafinil has anecdotal response to neurological fatigue, but such an effect may depend on the type and location of cerebral impairment. Objectives: It was the aim of this study to compare fatigue observed in different neurological pathologies, to evaluate the tolerability to modafinil, and to describe changes in subjective fatigue. Methods: We enrolled 14 brainstem or diencephalic stroke (BDS) patients, 9 cortical stroke (CS) patients and 17 multiple sclerosis (MS) patients. The Fatigue Assessment Instrument severity scale was performed at baseline, after 3 months of modafinil and after 1 month of washout. Cognition, mood and somnolence were assessed. A subgroup of 14 patients underwent activity measures before and during treatment. Results: Thirty-one patients completed the study (10 BDS, 9 CS, 12 MS). The responder profile is more frequent in MS than in CS (p = 0.04), and in BDS than in CS patients (p = 0.04). Actiwatch measures showed no changes in activity during, before and after therapy. Conclusion: Modafinil was tolerated in 75% of patients at small doses and seemed to improve the severity of fatigue in the MS and BDS groups but not in the CS group. There was no modification in measured physical activity.
    Keywords Stroke ; Multiple sclerosis ; Modafinil ; Fatigue
    Language English
    Publishing date 2009-08-07
    Publisher S. Karger AG
    Publishing place Basel, Switzerland
    Document type Article
    Note Original Paper
    ZDB-ID 209426-5
    ISSN 1421-9913 ; 0014-3022
    ISSN (online) 1421-9913
    ISSN 0014-3022
    DOI 10.1159/000232927
    Database Karger publisher's database

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  8. Article: Chronic cognitive impairment following laterothalamic infarcts: a study of 9 cases.

    Annoni, Jean-Marie / Khateb, Asaid / Gramigna, Sandrine / Staub, Fabienne / Carota, Antonio / Maeder, Philippe / Bogousslavsky, Julien

    Archives of neurology

    2003  Volume 60, Issue 10, Page(s) 1439–1443

    Abstract: Background: The occlusion of the lateral thalamic arteries leads to infarcts of ventrolateral thalamic nuclei, the ventroposterior nucleus, and the rostrolateral part of pulvinar, and produces hemisensory loss with or without hemiataxia. Cognitive ... ...

    Abstract Background: The occlusion of the lateral thalamic arteries leads to infarcts of ventrolateral thalamic nuclei, the ventroposterior nucleus, and the rostrolateral part of pulvinar, and produces hemisensory loss with or without hemiataxia. Cognitive impairment after such strokes has not been systematically studied.
    Objective: To determine the nature and the extent of long-lasting cognitive deficits following lateral thalamic strokes.
    Design: Case series.
    Setting: Neurology department, Lausanne University Hospital, Lausanne, Switzerland.
    Patients: Nine patients with hemisensory loss due to an isolated laterothalamic infarct.
    Main outcome measures: Three to 6 months after stroke onset, standard neuropsychologic evaluation, including testing of language, ideomotor and constructive praxis, visual gnosis, spatial attention, learning abilities, and executive functions.
    Results: Six of 9 patients showed some degree of cognitive impairment. Executive functions tasks, particularly verbal fluency, were impaired in 5 patients (4 with right and 1 with left lesion). Learning and delayed recall in visuospatial and verbal tasks, but not in recognition, were impaired in 3 patients (2 with right and 1 with left lesion). Difficulties in visual gnosia were observed in 1 patient with right lesion while word-finding difficulties were observed in 1 patient with left lesion.
    Conclusions: Our observations show that while learning, naming, and gnosic difficulties fit with the classical verbal/nonverbal dichotomy (left and right hemisphere, respectively), executive dysfunctions, including verbal fluency tasks, were more dominant after right thalamic infarcts. Although the observed deficits appeared to be less severe than those generally found with dorsomedial and polar thalamic strokes, the dominance of executive dysfunction suggests that ventrolateral thalamic lesions may disrupt frontothalamic subcortical loops.
    MeSH term(s) Aged ; Aging/psychology ; Cerebral Infarction/complications ; Cerebral Infarction/psychology ; Cognition Disorders/etiology ; Cognition Disorders/psychology ; Echoencephalography ; Female ; Functional Laterality/physiology ; Humans ; Lateral Thalamic Nuclei/pathology ; Magnetic Resonance Imaging ; Male ; Middle Aged ; Neuropsychological Tests ; Stroke/complications ; Stroke/psychology ; Ventral Thalamic Nuclei/pathology ; Verbal Behavior
    Language English
    Publishing date 2003-10
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 80049-1
    ISSN 1538-3687 ; 0003-9942
    ISSN (online) 1538-3687
    ISSN 0003-9942
    DOI 10.1001/archneur.60.10.1439
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: First Measurement of the Decay Asymmetry in the Pure W-Boson-Exchange Decay Λ_{c}^{+}→Ξ^{0}K^{+}.

    Ablikim, M / Achasov, M N / Adlarson, P / Ai, X C / Aliberti, R / Amoroso, A / An, M R / An, Q / Bai, Y / Bakina, O / Balossino, I / Ban, Y / Batozskaya, V / Begzsuren, K / Berger, N / Berlowski, M / Bertani, M / Bettoni, D / Bianchi, F /
    Bianco, E / Bortone, A / Boyko, I / Briere, R A / Brueggemann, A / Cai, H / Cai, X / Calcaterra, A / Cao, G F / Cao, N / Cetin, S A / Chang, J F / Chang, T T / Chang, W L / Che, G R / Chelkov, G / Chen, C / Chen, Chao / Chen, G / Chen, H S / Chen, M L / Chen, S J / Chen, S M / Chen, T / Chen, X R / Chen, X T / Chen, Y B / Chen, Y Q / Chen, Z J / Cheng, W S / Choi, S K / Chu, X / Cibinetto, G / Coen, S C / Cossio, F / Cui, J J / Dai, H L / Dai, J P / Dbeyssi, A / de Boer, R E / Dedovich, D / Deng, Z Y / Denig, A / Denysenko, I / Destefanis, M / De Mori, F / Ding, B / Ding, X X / Ding, Y / Dong, J / Dong, L Y / Dong, M Y / Dong, X / Du, M C / Du, S X / Duan, Z H / Egorov, P / Fan, Y H Y / Fan, Y L / Fang, J / Fang, S S / Fang, W X / Fang, Y / Farinelli, R / Fava, L / Feldbauer, F / Felici, G / Feng, C Q / Feng, J H / Fischer, K / Fritsch, M / Fritzsch, C / Fu, C D / Fu, J L / Fu, Y W / Gao, H / Gao, Y N / Gao, Yang / Garbolino, S / Garzia, I / Ge, P T / Ge, Z W / Geng, C / Gersabeck, E M / Gilman, A / Goetzen, K / Gong, L / Gong, W X / Gradl, W / Gramigna, S / Greco, M / Gu, M H / Guan, C Y / Guan, Z L / Guo, A Q / Guo, L B / Guo, M J / Guo, R P / Guo, Y P / Guskov, A / Han, T T / Han, W Y / Hao, X Q / Harris, F A / He, K K / He, K L / Heinsius, F H H / Heinz, C H / Heng, Y K / Herold, C / Holtmann, T / Hong, P C / Hou, G Y / Hou, X T / Hou, Y R / Hou, Z L / Hu, H M / Hu, J F / Hu, T / Hu, Y / Huang, G S / Huang, K X / Huang, L Q / Huang, X T / Huang, Y P / Hussain, T / Hüsken, N / Imoehl, W / Jackson, J / Jaeger, S / Janchiv, S / Jeong, J H / Ji, Q / Ji, Q P / Ji, X B / Ji, X L / Ji, Y Y / Jia, X Q / Jia, Z K / Jiang, H J / Jiang, P C / Jiang, S S / Jiang, T J / Jiang, X S / Jiang, Y / Jiao, J B / Jiao, Z / Jin, S / Jin, Y / Jing, M Q / Johansson, T / K, X / Kabana, S / Kalantar-Nayestanaki, N / Kang, X L / Kang, X S / Kappert, R / Kavatsyuk, M / Ke, B C / Khoukaz, A / Kiuchi, R / Kliemt, R / Kolcu, O B / Kopf, B / Kuessner, M / Kupsc, A / Kühn, W / Lane, J J / Larin, P / Lavania, A / Lavezzi, L / Lei, T T / Lei, Z H / Leithoff, H / Lellmann, M / Lenz, T / Li, C / Li, C H / Li, Cheng / Li, D M / Li, F / Li, G / Li, H / Li, H B / Li, H J / Li, H N / Li, Hui / Li, J R / Li, J S / Li, J W / Li, K L / Li, Ke / Li, L J / Li, L K / Li, Lei / Li, M H / Li, P R / Li, Q X / Li, S X / Li, T / Li, W D / Li, W G / Li, X H / Li, X L / Li, Xiaoyu / Li, Y G / Li, Z J / Liang, C / Liang, H / Liang, Y F / Liang, Y T / Liao, G R / Liao, L Z / Liao, Y P / Libby, J / Limphirat, A / Lin, D X / Lin, T / Liu, B J / Liu, B X / Liu, C / Liu, C X / Liu, F H / Liu, Fang / Liu, Feng / Liu, G M / Liu, H / Liu, H M / Liu, Huanhuan / Liu, Huihui / Liu, J B / Liu, J L / Liu, J Y / Liu, K / Liu, K Y / Liu, Ke / Liu, L / Liu, L C / Liu, Lu / Liu, M H / Liu, P L / Liu, Q / Liu, S B / Liu, T / Liu, W K / Liu, W M / Liu, X / Liu, Y / Liu, Y B / Liu, Z A / Liu, Z Q / Lou, X C / Lu, F X / Lu, H J / Lu, J G / Lu, X L / Lu, Y / Lu, Y P / Lu, Z H / Luo, C L / Luo, M X / Luo, T / Luo, X L / Lyu, X R / Lyu, Y F / Ma, F C / Ma, H L / Ma, J L / Ma, L L / Ma, M M / Ma, Q M / Ma, R Q / Ma, R T / Ma, X Y / Ma, Y / Ma, Y M / Maas, F E / Maggiora, M / Malde, S / Malik, Q A / Mangoni, A / Mao, Y J / Mao, Z P / Marcello, S / Meng, Z X / Messchendorp, J G / Mezzadri, G / Miao, H / Min, T J / Mitchell, R E / Mo, X H / Muchnoi, N Yu / Muskalla, J / Nefedov, Y / Nerling, F / Nikolaev, I B / Ning, Z / Nisar, S / Niu, Y / Olsen, S L / Ouyang, Q / Pacetti, S / Pan, X / Pan, Y / Pathak, A / Patteri, P / Pei, Y P / Pelizaeus, M / Peng, H P / Peters, K / Ping, J L / Ping, R G / Plura, S / Pogodin, S / Prasad, V / Qi, F Z / Qi, H / Qi, H R / Qi, M / Qi, T Y / Qian, S / Qian, W B / Qiao, C F / Qin, J J / Qin, L Q / Qin, X P / Qin, X S / Qin, Z H / Qiu, J F / Qu, S Q / Redmer, C F / Ren, K J / Rivetti, A / Rodin, V / Rolo, M / Rong, G / Rosner, Ch / Ruan, S N / Salone, N / Sarantsev, A / Schelhaas, Y / Schoenning, K / Scodeggio, M / Shan, K Y / Shan, W / Shan, X Y / Shangguan, J F / Shao, L G / Shao, M / Shen, C P / Shen, H F / Shen, W H / Shen, X Y / Shi, B A / Shi, H C / Shi, J L / Shi, J Y / Shi, Q Q / Shi, R S / Shi, X / Song, J J / Song, T Z / Song, W M / Song, Y J / Song, Y X / Sosio, S / Spataro, S / Stieler, F / Su, Y J / Sun, G B / Sun, G X / Sun, H / Sun, H K / Sun, J F / Sun, K / Sun, L / Sun, S S / Sun, T / Sun, W Y / Sun, Y / Sun, Y J / Sun, Y Z / Sun, Z T / Tan, Y X / Tang, C J / Tang, G Y / Tang, J / Tang, Y A / Tao, L Y / Tao, Q T / Tat, M / Teng, J X / Thoren, V / Tian, W H / Tian, Y / Tian, Z F / Uman, I / Wang, S J / Wang, B / Wang, B L / Wang, Bo / Wang, C W / Wang, D Y / Wang, F / Wang, H J / Wang, H P / Wang, J P / Wang, K / Wang, L L / Wang, M / Wang, Meng / Wang, S / Wang, T / Wang, T J / Wang, W / Wang, W P / Wang, X / Wang, X F / Wang, X J / Wang, X L / Wang, Y / Wang, Y D / Wang, Y F / Wang, Y H / Wang, Y N / Wang, Y Q / Wang, Yaqian / Wang, Yi / Wang, Z / Wang, Z L / Wang, Z Y / Wang, Ziyi / Wei, D / Wei, D H / Weidner, F / Wen, S P / Wenzel, C W / Wiedner, U / Wilkinson, G / Wolke, M / Wollenberg, L / Wu, C / Wu, J F / Wu, L H / Wu, L J / Wu, X / Wu, X H / Wu, Y / Wu, Y J / Wu, Z / Xia, L / Xian, X M / Xiang, T / Xiao, D / Xiao, G Y / Xiao, S Y / Xiao, Y L / Xiao, Z J / Xie, C / Xie, X H / Xie, Y / Xie, Y G / Xie, Y H / Xie, Z P / Xing, T Y / Xu, C F / Xu, C J / Xu, G F / Xu, H Y / Xu, Q J / Xu, Q N / Xu, W / Xu, W L / Xu, X P / Xu, Y C / Xu, Z P / Xu, Z S / Yan, F / Yan, L / Yan, W B / Yan, W C / Yan, X Q / Yang, H J / Yang, H L / Yang, H X / Yang, Tao / Yang, Y / Yang, Y F / Yang, Y X / Yang, Yifan / Yang, Z W / Yao, Z P / Ye, M / Ye, M H / Yin, J H / You, Z Y / Yu, B X / Yu, C X / Yu, G / Yu, J S / Yu, T / Yu, X D / Yuan, C Z / Yuan, L / Yuan, S C / Yuan, X Q / Yuan, Y / Yuan, Z Y / Yue, C X / Zafar, A A / Zeng, F R / Zeng, X / Zeng, Y / Zeng, Y J / Zhai, X Y / Zhai, Y C / Zhan, Y H / Zhang, A Q / Zhang, B L / Zhang, B X / Zhang, D H / Zhang, G Y / Zhang, H / Zhang, H H / Zhang, H Q / Zhang, H Y / Zhang, J / Zhang, J J / Zhang, J L / Zhang, J Q / Zhang, J W / Zhang, J X / Zhang, J Y / Zhang, J Z / Zhang, Jianyu / Zhang, Jiawei / Zhang, L M / Zhang, L Q / Zhang, Lei / Zhang, P / Zhang, Q Y / Zhang, Shuihan / Zhang, Shulei / Zhang, X D / Zhang, X M / Zhang, X Y / Zhang, Xuyan / Zhang, Y / Zhang, Y T / Zhang, Y H / Zhang, Yan / Zhang, Yao / Zhang, Z H / Zhang, Z L / Zhang, Z Y / Zhao, G / Zhao, J / Zhao, J Y / Zhao, J Z / Zhao, Lei / Zhao, Ling / Zhao, M G / Zhao, S J / Zhao, Y B / Zhao, Y X / Zhao, Z G / Zhemchugov, A / Zheng, B / Zheng, J P / Zheng, W J / Zheng, Y H / Zhong, B / Zhong, X / Zhou, H / Zhou, L P / Zhou, X / Zhou, X K / Zhou, X R / Zhou, X Y / Zhou, Y Z / Zhu, J / Zhu, K / Zhu, K J / Zhu, L / Zhu, L X / Zhu, S H / Zhu, S Q / Zhu, T J / Zhu, W J / Zhu, Y C / Zhu, Z A / Zou, J H / Zu, J

    Physical review letters

    2024  Volume 132, Issue 3, Page(s) 31801

    Abstract: Based on 4.4  fb^{-1} of e^{+}e^{-} annihilation data collected at the center-of-mass energies between 4.60 and 4.70 GeV with the BESIII detector at the BEPCII collider, the pure W-boson-exchange decay Λ_{c}^{+}→Ξ^{0}K^{+} is studied with a full angular ... ...

    Abstract Based on 4.4  fb^{-1} of e^{+}e^{-} annihilation data collected at the center-of-mass energies between 4.60 and 4.70 GeV with the BESIII detector at the BEPCII collider, the pure W-boson-exchange decay Λ_{c}^{+}→Ξ^{0}K^{+} is studied with a full angular analysis. The corresponding decay asymmetry is measured for the first time to be α_{Ξ^{0}K^{+}}=0.01±0.16(stat)±0.03(syst). This result reflects the noninterference effect between the S- and P-wave amplitudes. The phase shift between S- and P-wave amplitudes has two solutions, which are δ_{p}-δ_{s}=-1.55±0.25(stat)±0.05(syst)  rad or 1.59±0.25(stat)±0.05(syst)  rad.
    Language English
    Publishing date 2024-01-30
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.132.031801
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: Observation of D_{s}^{+}→η^{'}μ^{+}ν_{μ}, Precision Test of Lepton Flavor Universality with D_{s}^{+}→η^{(')}l^{+}ν_{l}, and First Measurements of D_{s}^{+}→η^{(')}μ^{+}ν_{μ} Decay Dynamics.

    Ablikim, M / Achasov, M N / Adlarson, P / Aliberti, R / Amoroso, A / An, M R / An, Q / Bai, Y / Bakina, O / Balossino, I / Ban, Y / Batozskaya, V / Begzsuren, K / Berger, N / Berlowski, M / Bertani, M / Bettoni, D / Bianchi, F / Bianco, E /
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    Physical review letters

    2024  Volume 132, Issue 9, Page(s) 91802

    Abstract: By analyzing 7.33  fb^{-1} of e^{+}e^{-} annihilation data collected at center-of-mass energies between 4.128 and 4.226 GeV with the BESIII detector, we report the observation of the semileptonic decay D_{s}^{+}→η^{'}μ^{+}ν_{μ}, with a statistical ... ...

    Abstract By analyzing 7.33  fb^{-1} of e^{+}e^{-} annihilation data collected at center-of-mass energies between 4.128 and 4.226 GeV with the BESIII detector, we report the observation of the semileptonic decay D_{s}^{+}→η^{'}μ^{+}ν_{μ}, with a statistical significance larger than 10σ, and the measurements of the D_{s}^{+}→ημ^{+}ν_{μ} and D_{s}^{+}→η^{'}μ^{+}ν_{μ} decay dynamics for the first time. The branching fractions of D_{s}^{+}→ημ^{+}ν_{μ} and D_{s}^{+}→η^{'}μ^{+}ν_{μ} are determined to be (2.235±0.051_{stat}±0.052_{syst})% and (0.801±0.055_{stat}±0.028_{syst})%, respectively, with precision improved by factors of 6.0 and 6.6 compared to the previous best measurements. Combined with the results for the decays D_{s}^{+}→ηe^{+}ν_{e} and D_{s}^{+}→η^{'}e^{+}ν_{e}, the ratios of the decay widths are examined both inclusively and in several ℓ^{+}ν_{ℓ} four-momentum transfer ranges. No evidence for lepton flavor universality violation is found within the current statistics. The products of the hadronic form factors f_{+,0}^{η^{(')}}(0) and the c→s Cabibbo-Kobayashi-Maskawa matrix element |V_{cs}| are determined. The results based on the two-parameter series expansion are f_{+,0}^{η}(0)|V_{cs}|=0.452±0.010_{stat}±0.007_{syst} and f_{+,0}^{η^{'}}(0)|V_{cs}|=0.504±0.037_{stat}±0.012_{syst}, which help to constrain present models on f_{+,0}^{η^{(')}}(0). The forward-backward asymmetries are determined to be ⟨A_{FB}^{η}⟩=-0.059±0.031_{stat}±0.005_{syst} and ⟨A_{FB}^{η^{'}}⟩=-0.064±0.079_{stat}±0.006_{syst} for the first time, which are consistent with the theoretical calculation.
    Language English
    Publishing date 2024-03-15
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.132.091802
    Database MEDical Literature Analysis and Retrieval System OnLINE

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