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1. Fluid balance neutralization secured by hemodynamic monitoring versus protocolized standard of care in patients with acute circulatory failure requiring continuous renal replacement therapy: results of the GO NEUTRAL randomized controlled trial

Author

Bitker, Laurent, Dupuis, Claire, Pradat, Pierre, Deniel, Guillaume, Klouche, Kada, Mezidi, Mehdi, Chauvelot, Louis, Yonis, Hodane, Baboi, Loredana, Illinger, Julien, Souweine, Bertrand, and Richard, Jean-Christophe

Published
2024
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2. Fluid balance neutralization secured by hemodynamic monitoring versus protocolized standard of care in critically ill patients requiring continuous renal replacement therapy: study protocol of the GO NEUTRAL randomized controlled trial

Author

Laurent Bitker, Pierre Pradat, Claire Dupuis, Kada Klouche, Julien Illinger, Bertrand Souweine, and Jean-Christophe Richard

Subjects
Acute kidney injury, Critical care, Hemodynamic monitoring, Fluid balance, Net ultrafiltration, Renal replacement therapy, Medicine (General), R5-920
Abstract

Abstract Background Fluid overload is associated with worse outcome in critically ill patients requiring continuous renal replacement therapy (CRRT). Net ultrafiltration (UFNET) allows precise control of the fluid removal but is frequently ceased due to hemodynamic instability episodes. However, approximately 50% of the hemodynamic instability episodes in ICU patients treated with CRRT are not associated with preload dependence (i.e., are not related to a decrease in cardiac preload), suggesting that volume removal is not responsible for these episodes of hemodynamic impairment. The use of advanced hemodynamic monitoring, comprising continuous cardiac output monitoring to repeatedly assess preload dependency, could allow securing UFNET to allow fluid balance control and prevent fluid overload. Methods The GO NEUTRAL trial is a multicenter, open-labeled, randomized, controlled, superiority trial with parallel groups and balanced randomization with a 1:1 ratio. The trial will enroll adult patients with acute circulatory failure treated with vasopressors and severe acute kidney injury requiring CRRT who already have been equipped with a continuous cardiac output monitoring device. After informed consent, patients will be randomized into two groups. The control group will receive protocolized fluid removal with an UFNET rate set to 0–25 ml h−1 between inclusion and H72 of inclusion. The intervention group will be treated with an UFNET rate set on the CRRT of at least 100 ml h−1 between inclusion and H72 of inclusion if hemodynamically tolerated based on a protocolized hemodynamic protocol aiming to adjust UFNET based on cardiac output, arterial lactate concentration, and preload dependence assessment by postural maneuvers, performed regularly during nursing rounds, and in case of a hemodynamic instability episode. The primary outcome of the study will be the cumulative fluid balance between inclusion and H72 of inclusion. Randomization will be generated using random block sizes and stratified based on fluid overload status at inclusion. The main outcome will be analyzed in the modified intention-to-treat population, defined as all alive patients at H72 of inclusion, based on their initial allocation group. Discussion We present in the present protocol all study procedures in regard to the achievement of the GO NEUTRAL trial, to prevent biased analysis of trial outcomes and improve the transparency of the trial result report. Enrollment of patients in the GO NEUTRAL trial has started on June 31, 2021, and is ongoing. Trial registration ClinicalTrials.gov NCT04801784. Registered on March 12, 2021, before the start of inclusion.

Published
2022
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4. Exercise capacity after total cavopulmonary anastomosis: a longitudinal paediatric and adult study

Author

Vojtěch Illinger, Ondřej Materna, Kryštof Slabý, Denisa Jičínská, Jan Kovanda, Karel Koubský, Jan Pokorný, Michal Procházka, Petra Antonová, Antonín Hoskovec, Jiří Radvanský, Václav Chaloupecký, and Jan Janoušek

Subjects
Fontan circulation, Total cavopulmonary connection, Cardiopulmonary exercise testing, Oxygen consumption, Exercise capacity, Diseases of the circulatory (Cardiovascular) system, RC666-701
Abstract

Abstract Aims Fontan palliation is a surgical strategy for patients with complex congenital heart disease, in whom biventricular circulation cannot be achieved. Long‐term survival is negatively affected by the absence of sub‐pulmonary ventricle and increased systemic venous pressure. Exercise capacity is a known predictor of overall survival and quality of life in congenital heart defects. We aim to track individual trends of peak oxygen uptake (V̇O2peak) after total cavopulmonary connection (TCPC), identify predictors of deterioration, and derive a disease‐specific reference V̇O2peak dataset. Methods and results A retrospective study of serial cardiopulmonary exercise testing (CPET) data, gathered from all patients who underwent TCPC in the Czech Republic between 1992 and 2016. Of 354 consecutive patients with TCPC, 288 (81.4%) patients underwent one or more CPETs yielding 786 unique V̇O2peak values used as a reference dataset. Longitudinal data were available in 206 (58.2%) patients, who underwent a median (inter‐quartile range) of 3.0 (2.0–5.0) CPETs over a mean (standard deviation) of 8.9 (5.5) years. The decline of exercise capacity with age was linear and not faster than in healthy peers (P = 0.47), but relative values of V̇O2peak in TCPC patients were 12.6 mL/min/kg lower. Single ventricular morphology and pulmonary artery size had no significant influence on the exercise capacity dynamics. V̇O2peak decline correlated negatively with the trend of body mass index z‐score (P = 0.006) and was faster in women than men (P = 0.008). Conclusions Total cavopulmonary connection patients have significantly reduced exercise capacity. The age‐related decline paralleled the healthy population and correlated negatively with the body mass index trend. The presented V̇O2peak reference dataset may help the clinicians to grade the severity of exercise capacity impairment in individual TCPC patients.

Published
2022
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5. Impact of liver fibrosis and nodules formation on hemodynamics in young adults after total cavopulmonary connection. A magnetic resonance study

Author

Václav Chaloupecký, Denisa Jičínská, Viktor Tomek, Ondřej Materna, Roman Gebauer, Rudolf Poruban, Petra Antonová, Theodor Adla, Matěj Štefánek, Vojtěch Illinger, Karel Kotaška, and Jan Janoušek

Subjects
Fontan procedure, liver fibrosis, liver nodules, ELF test, procollagen III amino-terminal peptide, magnetic resonance imaging, Diseases of the circulatory (Cardiovascular) system, RC666-701
Abstract

BackgroundThe aim of this study was to analyze the relation between the hepatic fibrosis markers, liver morphology and hemodynamics assessed by magnetic resonance imaging (MRI) after total cavopulmonary connection (TCPC).Materials and methodsAdult patients after TCPC performed in childhood between 1993 and 2003 are the subjects of this observational study. The follow-up protocol consisted of clinical and echocardiographic examination, liver elastography, cardiopulmonary exercise test, MRI hemodynamics and liver morphology assessment and direct enhanced liver fibrosis (ELF) test.ResultsThe cohort consisted of 39 patients (46% female) with a median age at study 26 (IQR 23–28) years and interval from TCPC 21 (IQR 20–23) years. There was no correlation between ELF test and any MRI variables, but procollagen III amino-terminal peptide (PIIINP), a single component of ELF test, correlated significantly with ventricular end-diastolic volume (r = 0.33; p = 0.042) and inferior vena cava flow (r = 0.47; p = 0.003). Fifteen (38%) patients with liver nodules had compared to other 24 patients higher end-diastolic volume (ml/m2) 102.8 ± 20.0 vs. 88.2 ± 17.7; p = 0.023, respectively. PIIINP correlated significantly with inferior vena cava flow (r = 0.56; p = 0.030) and with end-diastolic volume (r = 0.53; p = 0.043), but only in patients with liver nodules.ConclusionGradual progression of liver fibrosis, particularly hepatic arterialization caused by liver nodules formation, increases inferior vena cava flow and subsequent ventricular volume overload may further compromise single ventricle functional reserve in adult patients after TCPC.

Published
2022
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6. Observation of a 2{sup ++} Resonance at 1515 MeV in Proton Antiproton Annihilations into 3{pi}{sup degree}

Author

Amsler, C., Augustin, I., Baker, C.A., Barnett, B.M., Batty, C.J., Beckmann, R., Birien, P., Bistirlich, J., Blum, P., Bossingham, R., Bossy, H., Braune, K., Burchell, M., Case, T., Cierjacks, S., Crowe, K.M., Dederichs, K., Dunnweber, K., Engelhardt, D., Faessler, M., Felix, C., Folger, G., Haddock, R., Heinsius, F.H., Hessey, N.P., Hidas, P., Illinger, P., Jamnik, D., Kanlinowsky, H., Kammle, B., Kiel, T., Klempt, E., Koch, G., Konigsmann, K., Kunze, M., Landua, R., Lewendel, B., Matthaey, G., Merkel, M., Meyer, C.A., Meyer-Berkhout, U., Montanet, L., Pegel, C., Peters, K., Ravndal, S., Sanjari, A.H., Schafer, E., Schmid, B., Schott, W., Strohbusch, R., Suffert, M., Sutton, C., Urner, D., Walther, D., Walther, S., Wiedner, U., Winter, N., Zoll, J., and Zupancic, C.

Published
1991

7. Management of metformin-associated lactic acidosis by continuous renal replacement therapy.

Author

Geoffray Keller, Martin Cour, Romain Hernu, Julien Illinger, Dominique Robert, and Laurent Argaud

Subjects
Medicine, Science
Abstract

BackgroundMetformin-associated lactic acidosis (MALA) is a severe metabolic failure with high related mortality. Although its use is controversial, intermittent hemodialysis is reported to be the most frequently used treatment in conjunction with nonspecific supportive measures. Our aim was to report the evolution and outcome of cases managed by continuous renal replacement therapy (CRRT).Methodology and principal findingsOver a 3-year period, we retrospectively identified patients admitted to the intensive care unit for severe lactic acidosis caused by metformin. We included patients in our study who were treated with CRRT because of shock. We describe their clinical and biological features at admission and during renal support, as well as their evolution. We enrolled six patients with severe lactic acidosis; the mean pH and mean lactate was 6.92±0.20 and 14.4±5.1 mmol/l, respectively. Patients had high illness severity scores, including the Simplified Acute Physiology Score II (SAPS II) (average score 63±12 points). Early CRRT comprised either venovenous hemofiltration (n = 3) or hemodiafiltration (n = 3) with a mean effluent flow rate of 34±6 ml/kg/h. Metabolic acidosis control and metformin elimination was rapid and there was no rebound. Outcome was favorable in all cases.Conclusions and significanceStandard use of CRRT efficiently treated MALA in association with symptomatic organ supportive therapies.

Published
2011
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9. Influence of fenestration on long-term Fontan survival

Author

Materna, Ondřej, Illinger, Vojtěch, Jičínská, Denisa, Koubský, Karel, Kovanda, Jan, Ložek, Miroslav, Tax, Petr, Reich, Oleg, Chaloupecký, Václav, and Janoušek, Jan

Abstract

AbstractIntroduction:Fenestration in the total cavopulmonary connection system may improve the outcome of patients with significant risk factors for Fontan haemodynamics. Our study aims to analyse the difference in long-term survival between non-fenestrated and fenestrated patients.Methods:All consecutive patients (n = 351) who underwent total cavopulmonary connection between 1992 and 2016 were identified. Six early deaths were excluded resulting in a group of 345 patients. Median (interquartile range,) length of follow-up was 14.4 (7.1–19.7) years. Freedom from the composite endpoint of death, total cavopulmonary connection take-down or indication for a heart transplant was analysed.Results:Fenestration was absent in 237 patients (68.7%, Group 1), was created and closed later in 79 patients (22.9%, Group 2), and remained open in 29 patients (8.4%, Group 3). Mean survival probability until composite endpoint was 97.1 and 92.9% at 10 and 20 years, respectively. Patients with patent fenestration had worse survival (p < 0.001) as compared to both the non-fenestrated and fenestration closure groups. Despite a similar outcome, exercise capacity was lower in Group 2 than 1 (p = 0.013). In 58 patients with interventional fenestration closure, Nakata index was lower at the time of closure than pre-operatively, and both the pressure in the circuit and oxygen saturation in the aorta increased significantly (p < 0.001).Conclusions:Patients with persisting risk factors preventing fenestration closure are at higher risk of reaching the composite endpoint. Patients after fenestration closure have the worse functional outcome; their survival is, however, not different from the non-fenestrated group.

Published
2022
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10. Evidence for two isospin zeroJ PC=2−+ mesons at 1645 and 1875 MeV

Author

Adomeit, J., Amsler, C., Armstrong, D. S., Baker, C. A., Barnett, B. M., Batty, C. J., Benayoun, M., Berdoz, A., Beuchert, K., Bischoff, S., Blüm, P., Braune, K., Brose, J., Bugg, D. V., Case, T., Cooper, A. R., Cramer, O., Crowe, K. M., Degener, T., Dietz, H. P., Djaoshvili, N., von Dombrowski, S., Doser, M., Dünnweber, W., Engelhardt, D., Englert, M., Faessler, M. A., Giaritta, P., Hackmann, R., Haddock, R. P., Heinsius, F. H., Herz, M., Hessey, N. P., Hidas, P., Holtzhaußen, C., Illinger, P., Jamnik, D., Kalinowsky, H., Kalteyer, B., Kämmle, B., Kammel, P., Kiel, T., Kisiel, J., Klempt, E., Koch, H., Kolo, C., Kunze, M., Lakata, M., Landua, R., Lüdemann, J., Matthäy, H., McCrady, R., Meier, J., Merlo, J. P., Meyer, C. A., Montanet, L., Noble, A., Ouared, R., Ould-Saada, F., Peters, K., Pinder, C. N., Pinter, G., Ravndal, S., Regenfus, C., Reißmann, J., Resag, S., Roethel, W., Schäfer, E., Schmidt, P., Scott, I., Seibert, R., Spanier, S., Stöck, H., Straßburger, C., Strohbusch, U., Suffert, M., Thoma, U., Tischhäuser, M., Urner, D., Völcker, C., Walter, F., Walther, D., Wiedner, U., Zou, B. S., Zupančič, Č., and CRYSTAL BARREL Collaboration

Published
1996
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11. First observations of Pontecorvo reactions with a recoiling neutron

Author

Amsler, C., Armstrong, D. S., Augustin, I., Baker, C. A., Barnett, B. M., Batty, C. J., Beuchert, K., Birien, P., Blüm, P., Bossingham, R., Braune, K., Brose, J., Bugg, D. V., Burchell, M., Case, T., Cooper, A., Cramer, O., Crowe, K. M., Degener, T., Dietz, H. P., Dombrowski, S. v., Doser, M., Dünnweber, W., Engelhardt, D., Englert, M., Faessler, M. A., Felix, C., Hackmann, R., Haddock, R. P., Heinsius, F. H., Herz, M., Hessey, N. P., Hidas, P., Illinger, P., Jamnik, D., Kalinowsky, H., Kämmle, B., Kiel, T., Kisiel, J., Klempt, E., Kobel, M., Koch, H., Kolo, C., Königsmann, K., Kuhn, J., Kunze, M., Lakata, M., Landua, R., Lüdemann, J., Matthäy, H., Merkel, M., Merlo, J. P., Meyer, C. A., Montanet, L., Noble, A., Ould-Saada, F., Peters, K., Pinder, C. N., Pinter, G., Ravndal, S., Schäfer, E., Schmidt, P., Spanier, S., Stöck, H., Straßburger, C., Strohbusch, U., Suffert, M., Thoma, U., Urner, D., Völcker, C., Walter, F., Walther, D., Wiedner, U., Winter, N., Zoll, J., Zou, B. S., Zupančič, Č, and The Crystal Barrel Collaboration

Published
1995
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12. Antiproton annihilation at rest in liquid deuterium into π−π0π0pS

Author

Amsler, C., Augustin, I., Baker, C. A., Barnett, B. M., Batty, C. J., Beuchert, K., Birien, P., Bistirlich, J., Blüm, P., Bossingham, R., Bossy, H., Braune, K., Brose, J., Bugg, D. V., Burchell, M., Case, T., Cooper, A., Crowe, K. M., Dietz, H. P., v. Dombrowski, S., Doser, M., Dünnweber, W., Engelhardt, D., Englert, M., Faessler, M. A., Felix, C., Folger, G., Hackmann, R., Haddock, R. P., Heinsius, F. H., Hessey, N. P., Hidas, P., Illinger, P., Jamnik, D., Jávorfi, Z., Kalinowsky, H., Kämmle, B., Kiel, T., Kisiel, J., Klempt, E., Kobel, M., Koch, H., Kolo, C., Königsmann, K., Kunze, M., Landua, R., Lüdemann, J., Matthaey, H., Merkel, M., Merlo, J. P., Meyer, C. A., Meyer-Berkhout, U., Montanet, L., Noble, A., Peters, K., Pinter, G., Ravndal, S., Sanjari, A. H., Schäfer, E., Schmid, B., Schmidt, P., Spanier, S., Straßburger, C., Strohbusch, U., Suffert, M., Urner, D., Völcker, C., Walter, F., Walther, D., Wiedner, U., Winter, N., Zoll, J., Zupančič, Č., and Crystal Barrel Collaboration

Published
1994
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13. High-statistics analysis of $$\bar pp \to \pi ^0 \pi ^0 \pi ^0 $$ at restat rest

Author

Amsler, C., Augustin, I., Baker, C. A., Barnett, B. M., Batty, C. J., Beuchert, K., Birien, P., Bistirlich, J., Blüm, P., Bossingham, R., Bossy, H., Braune, K., Brose, J., Bugg, D. V., Burchell, M., Case, T., Cooper, A., Cramer, O., Crowe, K. M., Dietz, H. P., v. Dombrowski, S., Doser, M., Dünnweber, W., Engelhardt, D., Englert, M., Faessler, M. A., Felix, C., Folger, G., Hackmann, R., Haddock, R. P., Heinsius, F. H., Hessey, N. P., Hidas, P., Illinger, P., Jamnik, D., Jávorfi, Z., Kalinowsky, H., Kämmle, B., Kiel, T., Kisiel, J., Klempt, E., Kobel, M., Koch, H., Kolo, C., Königsmann, K., Kunze, M., Landua, R., Lüdemann, J., Matthaey, H., Merkel, M., Merlo, J. P., Meyer, C. A., Meyer-Berkhout, U., Montanet, L., Noble, A., Peters, K., Pinter, G., Ravndal, S., Salk, J., Sanjari, A. H., Schäfer, E., Schmid, B., Schmidt, P., Spanier, S., Straßburger, C., Strohbusch, U., Suffert, M., Urner, D., Völcker, C., Walter, F., Walther, D., Wiedner, U., Winter, N., Zoll, J., Zupančič, Č., and Crystal Barrel Collaboration

Published
1994
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14. Partial-wave analysis of ππη in $$\bar pp$$ annihilation at restannihilation at rest

Author

Amsler, C., Augustin, I., Baker, C. A., Barnett, B. M., Batty, C. J., Beuchert, K., Birien, P., Bistirlich, J., Blüm, P., Bossingham, R., Bossy, H., Braune, K., Brose, J., Bugg, D. V., Burchell, M., Case, T., Cooper, A., Crowe, K. M., Dietz, H. P., v. Dombrowski, S., Doser, M., Dünnweber, W., Engelhardt, D., Englert, M., Faessler, M. A., Felix, C., Folger, G., Hackmann, R., Haddock, R. P., Heinsius, F. H., Hessey, N. P., Hidas, P., Illinger, P., Jamnik, D., Jávorfi, Z., Kalinowsky, H., Kämmle, B., Kiel, T., Kisiel, J., Klempt, E., Kobel, M., Koch, H., Kolo, C., Königsmann, K., Kunze, M., Landua, R., Lüdemann, J., Matthaey, H., Merkel, M., Merlo, J. P., Meyer, C. A., Meyer-Berkhout, U., Montanet, L., Noble, A., Peters, K., Pinter, G., Ravndal, S., Sanjari, A. H., Schäfer, E., Schmid, B., Schmidt, P., Spanier, S., Straßburger, C., Strohbusch, U., Suffert, M., Urner, D., Völcker, C., Walter, F., Walther, D., Wiedner, U., Winter, N., Zoll, J., Zupančič, Č., and Crystal Barrel Collaboration

Published
1994
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15. Hidden and open $$\bar pp$$ annihilation at restannihilation at rest

Author

Amsler, C., Armstrong, D. S., Augustin, I., Baker, C. A., Barnett, B. M., Batty, C. J., Beuchert, K., Birien, P., Bistirlich, J., Blüm, P., Bossingham, R., Bossy, H., Braune, K., Brose, J., Bugg, D. V., Burchell, M., Case, T., Cooper, A., Cramer, O., Crowe, K. M., Dietz, H. P., v. Dombrowski, S., Doser, M., Dünnweber, W., Engelhardt, D., Englert, M., Faessler, M. A., Felix, C., Folger, G., Hackmann, R., Haddock, R. P., Heinsius, F. H., Hessey, N. P., Hidas, P., Illinger, P., Jamnik, D., Jávorfi, Z., Kalinowsky, H., Kämmle, B., Kiel, T., Kisiel, J., Klempt, E., Kobel, M., Koch, H., Kolo, C., Königsmann, K., Kunze, M., Landua, R., Lüdemann, J., Matthaey, H., Merkel, M., Merlo, J. P., Meyer, C. A., Montanet, L., Noble, A., Ould-Saada, F., Peters, K., Pinter, G., Ravndal, S., Salk, J., Sanjari, A. H., Schäfer, E., Schmid, B., Schmidt, P., Spanier, S., Straßburger, C., Strohbusch, U., Suffert, M., Urner, D., Völcker, C., Walter, F., Walther, D., Wiedner, U., Winter, N., Zoll, J., Zupančič, Č., and Crystal Barrel Collaboration

Published
1994
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16. $$\bar pp$$ Annihilation at rest into KL0KS0π0π0Annihilation at rest into KL0KS0π0π0

Author

Amsler, C., Armstrong, D. S., Augustin, I., Baker, C. A., Barnett, B. M., Batty, C. J., Beuchert, K., Birien, P., Blüm, P., Bossingham, R., Bossy, H., Braune, K., Brose, J., Bugg, D. V., Burchell, M., Case, T., Cooper, A., Cramer, O., Crowe, K. M., Dietz, H. P., von Dombrowski, S., Doser, M., Dünnweber, W., Engelhardt, D., Englert, M., Faessler, M. A., Felix, C. W., Folger, G., Hackmann, R., Haddock, R. P., Heinsius, F. H., Hessey, N. P., Hidas, P., Illinger, P., Jamnik, D., Jávorfi, Z., Kalinowsky, H., Kämmle, B., Kiel, T., Kisiel, J., Klempt, E., Kobel, M., Koch, H., Kolo, C., Königsmann, K., Kunze, M., Landua, R., Lüdemann, J., Matthäy, H., Merkel, M., Merlo, J. P., Meyer, C. A., Montanet, L., Noble, A., Ould-Saada, F., Peters, K., Pinder, C., Pinter, G., Ravndal, S., Salk, J., Sanjari, A. H., Schäfer, E., Schmid, B., Schmidt, P., Spanier, S., Straßburger, C., Strohbusch, U., Suffert, M., Urner, D., Völcker, C., Walter, F., Walther, D., Wiedner, U., Winter, N., Zoll, J., Zupančič, Č., and Crystal Barrel Collaboration

Published
1994
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17. Test of chiral perturbation theory in η decays

Author

Amsler, C., Armstrong, D. S., Augustin, I., Baker, C. A., Barnett, B. M., Batty, C. J., Beuchert, K., Birien, P., Bistirlich, J., Blüm, P., Bossingham, R., Bossy, H., Braune, K., Brose, J., Bugg, D. V., Burchell, M., Case, T., Cooper, A., Crowe, K. M., Dietz, H. P., Dombrowski, S. v., Doser, M., Dünnweber, W., Engelhardt, D., Englert, M., Faessler, M., Felix, C., Folger, G., Hackmann, R., Haddock, R. P., Heinsius, F. H., Hessey, N. P., Hidas, P., Illinger, P., Jamnik, D., Jávorfi, Z., Kalinowski, H., Kämmle, B., Kiel, T., Kisiel, J., Klempt, E., Kobel, M., Koch, H., Kolo, C., Königsmann, K., Kunze, M., Landua, R., Lüdemann, J., Matthäy, H., Merkel, M., Merlo, J. P., Meyer, C. A., Montanet, L., Noble, A., Ould-Saada, F., Peters, K., Pinter, G., Ravndal, S., Salk, J., Sanjari, A., Schäfer, E., Schmid, B., Schmidt, P., Straßburger, C., Strohbusch, U., Suffert, M., Umer, D., Völcker, C., Walter, F., Walther, D., Waßmer, S., Wiedner, U., Zoll, J., Zupancic, C., and Crystal Barrel Collaboration

Published
1994
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18. Antiproton-proton annihilation in flight

Author

Amsler, C., Armstrong, D. S., Augustin, I., Baker, C. A., Barnett, B. M., Batty, C. J., Beuchert, K., Birien, P., Bistirlich, J., Blüm, P., Bossingham, R., Bossy, H., Braune, K., Brose, J., Bugg, D. V., Burchell, M., Case, T., Cooper, A., Crowe, K. M., Dietz, H. P., von Dombrowski, S., Doser, M., Dünnweber, W., Engelhardt, D., Englert, M., Faessler, M. A., Felix, C., Folger, G., Hackmann, R., Haddock, R. P., Heinsius, F. H., Hessey, N. P., Hidas, P., Illinger, P., Jamnik, D., Jávorfi, Z., Kalinowsky, H., Kämmle, B., Kiel, T., Kisiel, J., Klempt, E., Kobel, M., Koch, H., Kolo, C., Königsmann, K., Kunze, M., Landua, R., Lüdemann, J., Matthaey, H., Merkel, M., Merlo, J. P., Meyer, C. A., Meyer-Berkhout, U., Montanet, L., Noble, A., Ould-Saada, F., Peters, K., Pinter, G., Ravndal, S., Salk, J., Sanjari, A. H., Schäfer, E., Schmid, B., Schmidt, P., Spanier, S., Straßburger, C., Strohbusch, U., Suffert, M., Urner, D., Völcker, C., Walther, D., Wiedner, U., Winter, N., Zoll, J., Zupančič, Č., and Crystal Barrel Collaboration

Published
1994
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19. New results from crystal barrel

Author

Amsler, C., Armstrong, D. S., Augustin, I., Baker, C. A., Barnett, B. M., Batty, C. J., Beuchert, K., Birien, P., Bistirlich, J., Blüm, P., Bossingham, R., Bossy, H., Braune, K., Brose, J., Bugg, D. V., Burchell, M., Case, T., Chung, S. U., Cooper, A., Crowe, K. M., Dietz, H. P., v. Dombrowski, S., Doser, M., Dünnweber, W., Engelhardt, D., Englert, M., Faessler, M. A., Felix, C., Folger, G., Hackmann, R., Haddock, R. P., Heinsius, F. H., Hessey, N. P., Hidas, P., Illinger, P., Jamnik, D., Jávorfi, Z., Kalinowsky, H., Kämmle, B., Kiel, T., Kisiel, J., Klempt, E., Kobel, M., Koch, H., Kolo, C., Königsmann, K., Kunze, M., Landua, R., Lüdemann, J., Matthaey, H., Merkel, M., Merlo, J. P., Meyer, C. A., Montanet, L., Noble, A., Ould-Saada, F., Peters, K., Pinter, G., Ravndal, S., Salk, J., Sanjari, A. H., Schäfer, E., Schmid, B., Schmidt, P., Spanier, S., Straßburger, C., Strohbusch, U., Suffert, M., Urner, D., Völcker, C., Walter, F., Walther, D., Waßmer, S., Wiedner, U., Winter, N., Zoll, J., Zupančič, Č., and Crystal Barrel Collaboration

Published
1994
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21. Antiproton-proton annihilation at rest into two-body final states

Author

Amsler, C., Armstrong, D. S., Augustin, I., Baker, C. A., Barnett, B. M., Batty, C. J., Beuchert, K., Birien, P., Bistirlich, J., Blum, P., Bossingham, R., Bossy, H., Braune, K., Brose, J., Bugg, D. V., Burchell, M., Case, T., Chung, S. U., Cooper, A., Crowe, K. M., Dietz, H. P., v. Dombrowski, S., Doser, M., Dünnweber, W., Engelhardt, D., Englert, M., Faessler, M. A., Felix, C., Folger, G., Hackmann, R., Haddock, R. P., Heinsius, F. H., Hessey, N. P., Hidas, P., Illinger, P., Jamnik, D., Jávorfi, Z., Kalinowsky, H., Kämmle, B., Kiel, T., Kisiel, J., Klempt, E., Kobel, M., Koch, H., Kolo, C., Königsmann, K., Kunze, M., Landua, R., Lüdemann, J., Matthaey, H., Merkel, M., Merlo, J. P., Meyer, C. A., Meyer-Berkhout, U., Montanet, L., Noble, A., Ould-Saada, F., Peters, K., Pinter, G., Ravndal, S., Sanjari, A. H., Schäfer, E., Schmid, B., Schmidt, P., Spanier, S., Straßburger, C., Strohbusch, U., Suffert, M., Urner, D., Völcker, C., Walter, F., Walther, D., Wiedner, U., Winter, N., Zoll, J., Zupančič, Č., and Crystal Barrel Collaboration

Published
1993
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22. Přehled nejčastějších odchylek počtu pohlavních chromozomů.

Author

Pokorný, Jan, Illinger, Vojtěch, Procházka, Michal, and Radvanský, Jiří

Subjects
SEX chromosomes, TURNER'S syndrome, SPORTS medicine, SYMPTOMS, AMBULANCES
Abstract

Copyright of Medicina Sportiva Bohemica et Slovaca is the property of Ceska spolecnost telovychovneho lekarstvi and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2020

23. Superflorbalista - kazuistika.

Author

Illinger, Vojtěch, Slabý, Kryštof, Pokorný, Jan, Procházka, Michal, and Radvanský, Jiří

Subjects
TEENAGERS, DIFFERENTIAL diagnosis, CONNECTIVE tissues, POSTURE
Abstract

Copyright of Medicina Sportiva Bohemica et Slovaca is the property of Ceska spolecnost telovychovneho lekarstvi and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2020

25. Hodnocení klidového elektrokardiogramu sportovců podle posledních doporučení.

Author

Illinger, Vojtěch

Subjects
SUDDEN death prevention, ELECTROCARDIOGRAPHY
Abstract

Copyright of Medicina Sportiva Bohemica et Slovaca is the property of Ceska spolecnost telovychovneho lekarstvi and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2021

27. Srovnání „tradičních” maximálních zátěžových protokolů při bicyklové ergometrii - pilotní studie.

Author

Procházka, Michal, Illinger, Vojtěch, Pokorný, Jan, Simonianová, Lucie, Slabý, Kryštof, and Radvanský, Jiří

Abstract

Copyright of Medicina Sportiva Bohemica et Slovaca is the property of Ceska spolecnost telovychovneho lekarstvi and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2018

28. Atletické srdce: souhrn literatury.

Author

Illinger, Vojtěch, Tuka, Vladimír, Slabý, Kryštof, and Radvanský, Jiří

Abstract

Copyright of Medicina Sportiva Bohemica et Slovaca is the property of Ceska spolecnost telovychovneho lekarstvi and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2018

29. Further analysis of , ηηπ0 and ηπ0π0 at rest

Author

M. Suffert, R. Seibert, C.A. Baker, T. Kiel, C. Strassburger, O. Cramer, M. Benayoun, G. Pinter, Kenneth M. Crowe, C. N. Pinder, D. S. Armstrong, Herbert Koch, P. Schmidt, J. Adomeit, L. Montanet, W. Dünnweber, C.J. Batty, C. Kolo, R. McCrady, Nigel Hessey, A. Berdoz, Ingrid U. Scott, N. Djaoshvili, B. Kaemmle, T. Case, D. Walther, B.S. Zou, C. Holtzhaussen, P. Blüm, Pàl Hidas, U. Strohbusch, M. A. Faessler, R.P. Haddock, A. V. Sarantsev, H. Matthaey, D.V. Bugg, J. Meier, C. Voelcker, J. Reissmann, H. P. Dietz, A. Cooper, K. Braune, M. Tischhaeuser, M. Lakata, P. Kammel, C. A. Meyer, F. H. Heinsius, P. Illinger, C. Regenfus, U. Thoma, S. Bischoff, M. Herz, M. Englert, W. Roethel, K. Beuchert, D. Jamnik, D. Engelhardt, and A. Abele

Subjects
Rest (physics), Physics, Nuclear physics, Nuclear and High Energy Physics, Particle physics, Dalitz plot
Published
1996

30. Evidence for two isospin zeroJ PC=2−+ mesons at 1645 and 1875 MeV

Author

M. Englert, N.P. Hessey, F. Ould-Saada, Pàl Hidas, M. Suffert, R. Seibert, T. Degener, A. Cooper, K. Beuchert, N. Djaoshvili, D. Urner, U. Wiedner, L. Montanet, D. Jamnik, D. Engelhardt, C. Regenfus, M. Herz, W. Roethel, I. Scott, R. Landua, F. H. Heinsius, K. Peters, C. Holtzhaußen, Herbert Koch, D. Walther, P. Giaritta, K. Braune, J. Brose, J. Kisiel, J. Reißmann, M. Tischhäuser, U. Thoma, C. A. Meyer, B. Kämmle, Eberhard Klempt, A. Noble, Michael Doser, R. Ouared, T. Kiel, H. P. Dietz, C. Völcker, T. Case, S. Bischoff, O. Cramer, H. Matthäy, U. Strohbusch, G. Pinter, C. N. Pinder, D. S. Armstrong, C. Straßburger, Marcel Kunze, Č. Zupančič, J. Lüdemann, Claude Amsler, S. Resag, C.J. Batty, E. Schäfer, H. Stöck, S. Ravndal, P. Kammel, B.M. Barnett, J. Adomeit, P. Blüm, D.V. Bugg, J. P. Merlo, S. von Dombrowski, M. Lakata, A. Berdoz, P. Illinger, B.S. Zou, H. Kalinowsky, B. Kalteyer, J. Meier, S. Spanier, C. Kolo, R. Hackmann, M. A. Faessler, R.P. Haddock, C.A. Baker, F. Walter, M. Benayoun, Kenneth M. Crowe, P. Schmidt, W. Dünnweber, and R. McCrady

Subjects
Nuclear physics, Physics, Physics and Astronomy (miscellaneous), Meson, Isospin, Zero (complex analysis), High mass, Dalitz plot, Resonance, Atomic physics, Rest frame, Bar (unit)
Abstract

Data on\(\bar pp \to \eta \pi ^0 \pi ^0 \pi ^0 \) taken at beam momenta of 1.2 and 1.94 GeV/c reveal evidence for twoI=0JPC=2−+ resonances inηππ. The first, at 1645±14(stat.)±15(syst.) MeV with width 180−21+40±25 MeV, decays toα2(1320)π withL=0. It may be interpreted as the\(q\bar q^1 \)D2 partner ofπ2(1670). A strong signal is also observed just above threshold inf2(1270)η withL=0. It is 11–22 times stronger than is expected for the high mass tail of the 1645 MeV resonance. It can be fitted as a second 2−+ resonance at 1875±20±35 MeV with width 200±25±45 MeV. A third resonance havingJPC=2++ is observed at 2135±20±45 MeV withΛ=250±25±45 MeV, decaying to botha2(1320)π andf2(1270)η withL=1. There is no evidence for resonances with decays toa0(980)π, ση orf0(980)η.

Published
1996

31. E decays to ηππ in annihilation at rest

Author

R. Bossingham, N. Djaoshvili, K. Beuchert, J. Brose, N. Winter, P. Blüm, D. Jamnik, N.P. Hessey, D. Engelhardt, S. Spanier, C. Kolo, R. Hackmann, M. A. Faessler, D.V. Bugg, R. Ouared, R.P. Haddock, R. Landua, I. Scott, P. Schmidt, Č. Zupančič, F. H. Heinsius, P. Giarritta, Pàl Hidas, C. Völcker, O. Cramer, J. Kisiel, W. Dünnweber, R. McCrady, C. A. Meyer, U. Wiedner, P. Birien, Michael Doser, C. Holzhaußen, M. Schütrumpf, B.S. Zou, E. Schäfer, F. Ould-Saada, Marcel Kunze, K. Braune, C. Regenfus, H. Kalinowsky, K. Peters, T. Case, H. Matthäy, H. Stöck, B. Kalteyer, C.A. Baker, Claude Amsler, M. Englert, A. Cooper, M. Tischhäuser, F. Walter, T. Degener, A. Noble, J. Zoll, M. Herz, M. Benayoun, U. Thoma, Kenneth M. Crowe, D. Urner, Herbert Koch, G. Pinter, B. M. Barnett, D. Walther, J. P. Merlo, U. Strohbusch, C. Straßburger, L. Montanet, J. Lüdemann, C.J. Batty, S. Ravndal, Eberhard Klempt, T. Kiel, H. P. Dietz, C. N. Pinder, S. v. Dombrowski, D. S. Armstrong, M. Lakata, B. Kämmle, P. Illinger, M. Suffert, and R. Seibert

Subjects
Nuclear physics, Physics, Nuclear and High Energy Physics, Angular distribution, Annihilation, Meson, Branching fraction, Isoscalar, Mass spectrum
Abstract

We have observed the ηπ + π − and ηπ 0 π 0 decay modes of the E meson in p p annihilation at rest into π + π − π 0 π 0 η . The mass and width of the E meson are 1409 ± 3 and 86 ± 10 MeV. The production and decay branching ratio is B( p p → Eππ)B(E → ηππ) = (3.3 ± 1.0) × 10 −3 . With a spin-parity analysis we determine that J P = 0 − . The observation of the ηπ 0 π 0 decay mode establishes that E is isoscalar ( C = +1). We find that E decays to η ( ππ ) s (where ( ππ ) s is an S-wave dipion) and πa 0 (980)(→ πη ) with a relative branching ratio of (78 ± 16) %. Using the K K π production and decay branching ratio measured earlier we determine that B[E → K K π] B[E → ηππ] = 0.61 ± 0.19 . A comparison with observations in radiative J Ψ decays suggests that E and ι η (1416) are identical.

Published
1995

32. Coupled channel analysis of p annihilation into π0π0π0, π0ηη and π0π0η

Author

R. Ouared, H. Stöck, H. Kalinowsky, Herbert Koch, U. Thoma, Pàl Hidas, P. Giarritta, T. Case, B. Kalteyer, H. Matthäy, B. S. Zou, R. P. Haddock, L. Montanet, B. Kämmle, D. Urner, M. Lakata, N. Djaoshvili, Michael Kobel, K. Braune, S. U. Chung, S. Spanier, C. Kolo, R. Hackmann, P. Blüm, F. H. Heinsius, A. Cooper, C. Felix, J. Brose, D.V. Bugg, C. Holzhaussen, P. Illinger, R. Landua, Claude Amsler, O. Cramer, J. Kisiel, M. Suffert, R. Seibert, E. Schäfer, C.A. Baker, C. Völcker, S. v. Dombroski, C. A. Meyer, P. Schmidt, M. Schütrumpf, Marcel Kunze, W. Dünnweber, M. Herz, F. Walter, F. Ould-Saada, M. Benayoun, R. McCrady, Kenneth M. Crowe, A. Noble, Č. Zupančič, C. Regenfus, P. Birien, T. Degener, D. Walther, J. P. Merlo, U. Strohbusch, C. Straßburger, J. Lüdemann, K. Peters, C.J. Batty, S. Ravndal, U. Wiedner, Michael Doser, M. Tischhäuser, J. Zoll, R. Bossingham, N.P. Hessey, M. A. Faessler, G. Pinter, B. M. Barnett, Eberhard Klempt, T. Kiel, H. P. Dietz, C. N. Pinder, D. S. Armstrong, M. Englert, K. Beuchert, N. Winter, D. Jamnik, and D. Engelhardt

Subjects
Physics, Nuclear physics, Nuclear and High Energy Physics, Annihilation, Dalitz plot, Channel analysis
Abstract

We confirm the existence of the two IG(JPC) = 0+(0++) resonances f0(1370) and f0(1500) reported by us in earlier analyses. The analysis presented here couples the final states π0π0π0, π0π0η and π0ηη of pp annihilation at rest. It is based on a 3 × 3 K-matrix. We find masses and widths of M = (1390±30) MeV, Γ = (380±80) MeV; and M = (1500±10) MeV, Γ = (154 ± 30) MeV, respectively. The product branching ratios for the production and decay into π0π0 and ηη of the f0(1500) are (1.27 ± 0.33) · 10−3 and (0.60 ± 0.17) · 10−3, respectively.

Published
1995

33. High statistics study of ƒ0(1500)s decay into ηη

Author

J. Kisiel, H. Stöck, C. A. Meyer, P. Schmidt, D. Walther, A. Noble, D. Urner, P. Illinger, K.M. Crowe, G. Pinter, C.A. Baker, W. Dünnweber, R. McCrady, H. Kalinowsky, Eberhard Klempt, T. Kiel, H. P. Dietz, O. Cramer, M. Herz, C. N. Pinder, F. Walter, S. v. Dombrowski, D. S. Armstrong, E. Schäfer, C.J. Batty, N. Djaoshvili, U. Strohbusch, J. Lüdemann, C. Straßburger, L. Montanet, M. Merkel, Mark J. Burchell, M. Suffert, R. Seibert, R. Bossingham, C. Felix, Michael Kobel, R. Landua, F. Ould-Saada, M. A. Faessler, R.P. Haddock, B.M. Barnett, K. Peters, P. Giarritta, H. Matthaey, C. Regenfus, M. Lakata, Herbert Koch, Pàl Hidas, B. Kämmle, J. Brose, P. Birien, A. Cooper, T. Degener, Č. Zuppančič, M. Tischäuser, U. Wiedner, Michael Doser, J. Zoll, S. Ravndal, B. S. Zou, T. Case, Nigel Hessey, U. Thoma, C. Holzhaussen, C. Völcker, Marcel Kunze, K. Beuchert, D. Jamnik, D. Engelhardt, M. Englert, F.H. Heinsius, B. Kalteyer, S. Spanier, C. Kolo, R. Hackmann, K. Braune, S. U. Chung, S. Resag, J. P. Merlo, R. Ouared, K. Königsmann, Claude Amsler, P. Blüm, and D.V. Bugg

Subjects
Nuclear physics, Physics, Nuclear and High Energy Physics, Particle physics, Quality (physics), Partial wave analysis, Scalar (mathematics), Statistics, Dalitz plot, Resonance
Abstract

A partial wave analysis of the reaction p p →π o ηη has been performed, using a high quality, high statistics data set of 198,000 events. In addition to the ƒ 0 (1370), a second scalar resonance decaying into ηη, the ƒ 0 (1500), with mass m = (1505 ± 15) MeV and width Γ = (120 ± 30) MeV has to be introduced to describe the data.

Published
1995

34. First observation of the production of nucleon resonances in antiproton annihilation in liquid deuterium

Author

N. Djaoshvili, U. Thoma, Eberhard Klempt, T. Kiel, H. P. Dietz, D. Urner, J. Kisiel, C.J. Batty, P. Giarritta, F. H. Heinsius, C. N. Pinder, S. v. Dombrowski, D. S. Armstrong, N.P. Hessey, U. Wiedner, H. Matthaey, J. Lüdemann, P. Schmidt, M. Suffert, R. Seibert, M. Lakata, F. Ould-Saada, M. Merkel, Michael Doser, J. Zoll, W. Dünnweber, C. Holzhaussen, B. S. Zou, R. McCrady, U. Strohbusch, D. Walther, C. Straßburger, M. A. Faessler, C. Felix, T. Degener, H. Koch, R. Landua, Mark J. Burchell, K. Braune, I. Augustin, C. Völcker, P. Illinger, T. Gemesy, P. Birien, A. Cooper, L. Montanet, J. Brose, B. Kämmle, Pàl Hidas, Krisztian Peters, Marcel Kunze, R. Ouared, M. Tischhäuser, C. A. Meyer, B.M. Barnett, M. Herz, R. Bossingham, A. Noble, C. Regenfus, T. Case, Claude Amsler, Č. Zupančič, Michael Kobel, J. P. Merlo, K. Königsmann, P. Blüm, D.V. Bugg, H. Stöck, B. Kalteyer, H. Kalinowsky, S. Spanier, C. Kolo, R. Hackmann, O. Cramer, E. Schäfer, S. Resag, C.A. Baker, F. Walter, M. Benayoun, Kenneth M. Crowe, S. Ravndal, R. P. Haddock, K. Beuchert, N. Winter, D. Jamnik, D. Engelhardt, and M. Englert

Subjects
Nuclear physics, Physics, Nuclear and High Energy Physics, Particle physics, Annihilation, Deuterium, Antiproton, Nucleon, Particle Physics - Experiment
Published
1995

35. η-decays into three pions

Author

J. Kisiel, W. Dünnweber, R. McCrady, C. Felix, Pàl Hidas, J. P. Merlo, P. Birien, K. Königsmann, K. Braune, Bernhard Schmid, K. Beuchert, N. Winter, D. Jamnik, D. Engelhardt, M. Suffert, R. Seibert, D. Urner, A. Cooper, J. Salk, H. Stöck, C.J. Batty, B. Kämmle, U. Thoma, Mark J. Burchell, F. H. Heinsius, C. Völcker, U. Wiedner, F. Ould-Saada, Claude Amsler, Michael Doser, P. Blüm, Herbert Koch, I. Augustin, M. A. Faessler, S. Ravndal, D.V. Bugg, R.P. Haddock, K. Peters, Marcel Kunze, D. Walther, C. Regenfus, R. Hackmann, T. Degener, M. Herz, G. Folger, Michael Kobel, U. Strohbusch, C. Straßburger, M. Lakata, C. A. Meyer, M. Englert, Č. Zupančič, J. Zoll, B. M. Barnett, J. Lüdemann, H. Kalinowsky, A. Noble, P. Illinger, O. Cramer, R. Landua, S. Spanier, E. Schäfer, T. Case, H. Matthäy, B.S. Zou, M. Tischhäuser, R. Bossingham, C.A. Baker, F. Walter, G. Pinter, Kenneth M. Crowe, J. Brose, L. Montanet, C. N. Pinder, S. v. Dombrowski, C. Kolo, D. S. Armstrong, M. Merkel, Eberhard Klempt, T. Kiel, H. P. Dietz, R. Glantz, Nigel Hessey, and P. Schmidt

Subjects
Physics, Nuclear and High Energy Physics, Particle physics, Crystallography, Chiral perturbation theory, Pion, Partial width, Mass spectrum, Dalitz plot
Abstract

The branching ratios Γ(η → 3π 0 ) Γ(η → π + π − π 0 ) = 1.44 ± 0.09 ± 0.10 and Γ(η → γγ) Γ(η → π + π − π 0 ) = 1.78 ± 0.10 ± 0.13 have been determined using the Crystal Barrel detector at LEAR. The latter ratio yields a partial width of Γ ( η → π + π − π 0 ) = 0.26 ± 0.03 keV using the known value for Γ ( η → γγ ). The η → π + π − π 0 ) Dalitz plot is compared to the predictions of chiral perturbation theory.

Published
1995

36. Observation of radiative annihilation into a Φ meson

Author

C.A. Baker, C. Felix, F. Walter, C. A. Meyer, U. Thoma, A. Cooper, H. Stöck, F. H. Heinsius, Kenneth M. Crowe, M. Englert, A. Noble, J. Brose, M. A. Faessler, K. Beuchert, R.P. Haddock, B. Kämmle, K. Braune, C. Kolo, T. Case, H. Matthäy, N. Winter, D. Jamnik, D. Engelhardt, G. Pinter, R. Landua, B. M. Barnett, P. Schmidt, H. Kalinowsky, Mark J. Burchell, S. Spanier, L. Montanet, M. Suffert, R. Seibert, W. Dünnweber, O. Cramer, Claude Amsler, R. McCrady, R. Bossingham, F. Ould-Saada, Herbert Koch, E. Schäfer, C. Regenfus, Č. Zupančič, P. Birien, C. Völcker, Pàl Hidas, Marcel Kunze, M. Tischhäuser, T. Degener, M. Herz, J. P. Merlo, B. S. Zou, P. Illinger, J. Kisiel, K. Königsmann, P. Blüm, D. Urner, D.V. Bugg, R. Hackmann, M. Lakata, J. Zoll, Michael Kobel, Eberhard Klempt, T. Kiel, H. P. Dietz, I. Augustin, C. N. Pinder, K. Peters, S. v. Dombrowski, D. S. Armstrong, M. Merkel, U. Wiedner, Michael Doser, C.J. Batty, S. Ravndal, D. Walther, U. Strohbusch, C. Straßburger, J. Lüdemann, and Nigel Hessey

Subjects
Nuclear physics, Physics, Nuclear and High Energy Physics, Annihilation, Meson, Antiproton, Branching fraction, Radiative transfer, Analytical chemistry
Abstract

The annihilation p p → Φγ has been investigated with the Crystal Barrel detector at LEAR for antiprotons stopped in liquid hydrogen. The observed branching ratio BR ( p p → Φγ = (1.7 ± 0.4) · 10 −5 is almost two orders of magnitude higher than expected from the OZI-rule. As a by-product, the branching ratios BR ( p p → K L K S ) = (9.0 ± 0.6) · 10 −4 and BR ( p p → Φπ 0 ) = (5.5 ± 0.7) · 10 −4 have been measured.

Published
1995

37. High-statistics study of f0(1500) decay into π0π0

Author

C. Völcker, H. Kalinowsky, L. Montanet, B. Kämmle, Marcel Kunze, C. Kolo, Nigel Hessey, J. Kisiel, O. Cramer, C.A. Baker, R. Hackmann, C. A. Meyer, P. Blüm, Claude Amsler, M. Lakata, F. Walter, E. Schäfer, M. Suffert, R. Seibert, U. Wiedner, F. H. Heinsius, T. Case, H. Matthäy, Kenneth M. Crowe, R. Landua, Michael Doser, K. Beuchert, F. Ould-Saada, J. P. Merlo, P. Schmidt, J. Zoll, S. Spanier, K. Königsmann, A. Noble, H. Stöck, M. A. Faessler, W. Dünnweber, Herbert Koch, N. Winter, G. Pinter, T. Degener, M. Herz, B.M. Barnett, U. Thoma, K. Braune, S. U. Chung, D. Jamnik, R. Bossingham, Č. Zupančič, F. Loser, Mark J. Burchell, D. Engelhardt, D. Urner, C. Regenfus, C. Felix, K. Peters, Michael Kobel, P. Birien, Pàl Hidas, R. P. Haddock, M. Englert, C. N. Pinder, S. v. Dombrowski, D. S. Armstrong, M. Merkel, D. Walther, U. Strohbusch, C. Straßburger, J. Lüdemann, J. Brose, C.J. Batty, I. Augustin, S. Ravndal, Eberhard Klempt, T. Kiel, H. P. Dietz, J. Salk, and P. Illinger

Subjects
Data set, Physics, Nuclear physics, Nuclear and High Energy Physics, Particle physics, Angular distribution, Partial wave analysis, Scalar (mathematics), Dalitz plot, Resonance (particle physics)
Abstract

A partial-wave analysis of the reaction p p →π 0 π 0 π 0 has been performed using a high-quality high-statistics data set of 712 000 events. In addition to the f0(975) and f0(1300), the scalar resonance with mass m = (1500 ± 15) MeV and width Γ = (120 ± 25) MeV is necessary to describe the data.

Published
1995

39. ηη′ threshold enhancement in p̄p annihilations into π0ηη′ at rest

Author

R. Bossingham, M. Suffert, R. Seibert, C. N. Pinder, S. v. Dombrowski, D. S. Armstrong, F. Loser, Claude Amsler, U. Wiedner, M. Merkel, C.A. Baker, Michael Doser, F. H. Heinsius, I. Augustin, P. Schmidt, W. Dünnweber, J. P. Merlo, K. Peters, K. Königsmann, R. Hackmann, A. Cooper, C.J. Batty, F. Walter, Herbert Koch, Michael Kobel, P. Blüm, D.V. Bugg, M. Lakata, H. Kalinowsky, R. P. Haddock, Kenneth M. Crowe, B. M. Barnett, B. S. Zou, O. Cramer, M. A. Faessler, E. Schäfer, Eberhard Klempt, S. Ravndal, Mark J. Burchell, M. Englert, T. Kiel, H. P. Dietz, D. Walther, R. Landua, C. A. Meyer, C. Kolo, U. Strohbusch, Pàl Hidas, L. Montanet, B. Kämmle, Nigel Hessey, K. Beuchert, A. Noble, J. Lüdemann, N. Winter, P. Illinger, D. Jamnik, D. Engelhardt, J. Salk, J. Brose, K. Braune, S. U. Chung, T. Case, H. Matthäy, P. Birien, S. Spanier, C. Straβburger, G. Pinter, C. Völcker, Marcel Kunze, Č. Zupančič, D. Urner, C. Felix, J. Kisiel, F. Ould-Saada, T. Degener, M. Herz, and J. Zoll

Subjects
Physics, Rest (physics), Nuclear and High Energy Physics, Particle physics, Dalitz plot
Abstract

We report on the observation of an ηη′ threshold enhancement produced in pp annihilations at rest into π0ηη′, which we identify with the recently discovered ƒ 0 (1500) .

Published
1994

40. Hidden and open $$\bar ss$$ production in $$\bar pp$$ annihilation at restannihilation at rest

Author

A. H. Sanjari, D. Walther, K. Beuchert, R. Hackmann, J. Zoll, N. Winter, U. Strohbusch, P. Blüm, D. Jamnik, D. Engelhardt, C.A. Baker, F. Walter, Kenneth M. Crowe, Pàl Hidas, C. Kolo, J. Lüdemann, C. A. Meyer, D.V. Bugg, P. Birien, I. Augustin, S. Spanier, K. Peters, B. Schmid, G. Pinter, T. Case, B. Kämmle, James A. Bistirlich, T. Kiel, J. Salk, J. P. Merlo, K. Braune, B. M. Barnett, R. P. Haddock, C.J. Batty, L. Montanet, R. Bossingham, K. Königsmann, M. Englert, A. Noble, M. Suffert, F. H. Heinsius, U. Wiedner, R. Landua, C. Völcker, P. Schmidt, A. Cooper, Michael Doser, S. Ravndal, Mark J. Burchell, Marcel Kunze, W. Dünnweber, Claude Amsler, M. A. Faessler, Herbert Koch, H. Matthaey, Nigel Hessey, J. Brose, S. v. Dombrowski, D. S. Armstrong, M. Merkel, Eberhard Klempt, H. P. Dietz, Z. Jávorfi, F. Ould-Saada, C. Straßburger, G. Folger, C. Felix, Michael Kobel, D. Urner, J. Kisiel, H. Bossy, H. Kalinowsky, O. Cramer, E. Schäfer, Č. Zupančič, and P. Illinger

Subjects
Nuclear physics, Physics, Particle physics, Annihilation, OZI rule, High Energy Physics::Phenomenology, Dalitz plot, High Energy Physics::Experiment
Abstract

New branching ratios for\(\bar pp\) annihilation at rest into final states with a\(K\bar K\) pair or φ-meson are being measured with the Crystal Barrel detector at LEAR. The yield of φγ, relative to ωγ, appears to violate the OZI rule as strongly as φπ relative to ωπ.

Published
1994

41. High-statistics analysis of $$\bar pp \to \pi ^0 \pi ^0 \pi ^0 $$ at restat rest

Author

L. Montanet, U. Meyer-Berkhout, Mark J. Burchell, C.J. Batty, B. Schmid, G. Pinter, T. Case, R. Bossingham, A. H. Sanjari, K. Braune, J. Zoll, C. Kolo, M. Suffert, S. Ravndal, K. Beuchert, Claude Amsler, C.A. Baker, R. Hackmann, F. Walter, D. Walther, N. Winter, P. Birien, I. Augustin, Kenneth M. Crowe, M. A. Faessler, D. Jamnik, U. Strohbusch, F. H. Heinsius, C. Völcker, K. Peters, D. Engelhardt, Pàl Hidas, H. Matthaey, H. Kalinowsky, C. A. Meyer, James A. Bistirlich, P. Schmidt, O. Cramer, J. Lüdemann, R. P. Haddock, W. Dünnweber, A. Noble, E. Schäfer, J. Salk, Marcel Kunze, U. Wiedner, R. Landua, Herbert Koch, Michael Doser, S. Spanier, B. Kämmle, P. Illinger, A. Cooper, M. Englert, B. M. Barnett, Nigel Hessey, J. P. Merlo, K. Königsmann, P. Blüm, D.V. Bugg, T. Kiel, G. Folger, Michael Kobel, Č. Zupančič, J. Kisiel, C. Felix, H. Bossy, Z. Jávorfi, C. Straßburger, J. Brose, Eberhard Klempt, H. P. Dietz, D. Urner, S. v. Dombrowski, and M. Merkel

Subjects
Nuclear physics, Rest (physics), Physics, Particle physics, Annihilation, Amplitude, Pi, Dalitz plot, Invariant (mathematics), Nuclear Experiment, Resonance (particle physics), Bar (unit)
Abstract

Antiproton-proton annihilation at rest into 3π0 is analysed based on a data sample of about 500 000 high-quality 3π0 events. In this high-statistics Dalitz plot two structures in the region of π0π0 invariant masses of about 1500 MeV show up, a small band and a blob at higher masses. In a first attempt to describe the data two different models are used to parametrize the dynamical amplitudes leading to the same conclusion: the data require a 0+ + and also a 2+ + resonance in the 1500 MeV region.

Published
1994

42. Test of chiral perturbation theory in η decays

Author

R. Bossingham, C. A. Meyer, J. Lüdemann, R. P. Haddock, A. Noble, A. Cooper, M. A. Faessler, A. H. Sanjari, T. Case, B. Schmid, H. Matthäy, G. Pinter, K. Braune, J. Zoll, C. Felix, B. M. Barnett, P. Schmidt, D. Walther, Eberhard Klempt, G. Folger, L. Montanet, W. Dünnweber, James A. Bistirlich, H. P. Dietz, Michael Kobel, Pàl Hidas, C.A. Baker, D. Umer, Claude Amsler, M. Suffert, I. Augustin, F. Walter, R. Hackmann, S. v. Dombrowski, D. S. Armstrong, P. Birien, Kenneth M. Crowe, M. Merkel, H. Kalinowski, Č. Zupančič, Z. Jávorfi, B. Kämmle, K. Beuchert, C. Kolo, F. Ould-Saada, C. Straßburger, D. Jamnik, P. Illinger, N. P. Hessey, D. Engelhardt, J. Brose, F. H. Heinsius, C. Völcker, U. Wiedner, Michael Doser, Mark J. Burchell, J. P. Merlo, M. Englert, Marcel Kunze, K. Königsmann, T. Kiel, J. Kisiel, H. Bossy, S. Ravndal, P. Blüm, D.V. Bugg, J. Salk, S. Waßmer, C.J. Batty, H. Koch, U. Strohbusch, R. Landua, E. Schäfer, and Krisztian Peters

Subjects
Quantum chromodynamics, Crystal, Nuclear physics, Physics, Particle physics, Chiral perturbation theory, Pion, Partial width, Order (group theory), Charged particle
Abstract

The decay of the η-meson into three pions plays an important role as a test of low-energy QCD calculations in the framework of chiral perturbation theory. Previous experiments show results that are inconclusive or even contradictory. The Crystal Barrel experiment at LEAR has determined the braching ratiosΓ(η→3π0)/Γ(η→π+π−π0)=1.47±0.09±0.15 andΓ(η→γγ)/Γ(η→π+π−π0)=1.88±0.10±0.17 using its unique features to detect charged particles as well as neutral particles. The value for the first ratio agrees nicely with the theoretical predictions and solves previous experimental uncertainties. The second value, which yields a partial width ofΓ(η→π+π−π0)=(0.24±0.03) keV, shows that the same next-to-leading order chiral perturbation theory calculations still have some problems.

Published
1994

43. $$\bar pp$$ Annihilation at rest into K L 0 K S 0 π0π0Annihilation at rest into K L 0 K S 0 π0π0

Author

Faessler, D. Walther, G. Folger, Michael Kobel, E. Schaefer, R. Hackmann, U. Strohbusch, P. Schmidt, W. Dünnweber, J. P. Merlo, K. Braune, P. Birien, H. Kalinowsky, Eberhard Klempt, Mark J. Burchell, Michael Doser, H. P. Dietz, J. Brose, I. Augustin, Farid Ould-Saada, R. Bossingham, B. Schmid, C.J. Batty, C. Kolo, G. Pinter, U. Wiedner, M. Suffert, K. Peters, F. H. Heinsius, C. N. Pinder, R. Landua, S. Spanier, S. von Dombrowski, D. S. Armstrong, B. M. Barnett, P. Blüm, Pàl Hidas, M. Englert, M. Merkel, O. Cramer, S. Ravndal, Claude Amsler, C.A. Baker, D.V. Bugg, Herbert Koch, L. Montanet, B. Kaemmle, A. H. Sanjari, J. Zoll, F. Walter, C. A. Meyer, K. Beuchert, T. Case, Kenneth M. Crowe, Marcel Kunze, A. Noble, N. Winter, D. Jamnik, D. Engelhardt, P. Illinger, A. Cooper, Kay Konigsmann, R.P. Haddock, H. Matthaey, C. Voelcker, J. Salk, Nigel Hessey, J. Luedemann, T. Kiel, C. Strassburger, Z. Jávorfi, J. Kisiel, Č. Zupančič, H. Bossy, D. Urner, and C. Felix

Subjects
Physics, Rest (physics), Nuclear physics, Particle physics, Annihilation, Hadron spectroscopy, Partial wave analysis
Published
1994

44. Antiproton annihilation at rest in liquid deuterium into π−π0π0pS

Author

Pàl Hidas, M. Suffert, C. Kolo, Nigel Hessey, J. Brose, T. Kiel, B. Schmid, M. A. Faessler, R. Bossingham, G. Pinter, U. Meyer-Berkhout, R. Hackmann, U. Wiedner, H. Matthaey, Eberhard Klempt, Michael Doser, R. Landua, C.J. Batty, P. Schmidt, P. Illinger, A. H. Sanjari, J. Zoll, H. P. Dietz, C.A. Baker, L. Montanet, J. P. Merlo, S. v. Dombrowski, F. Walter, K. Königsmann, W. Dünnweber, S. Ravndal, J. Kisiel, C. A. Meyer, D. Walther, Kenneth M. Crowe, M. Merkel, I. Augustin, A. Cooper, H. Bossy, U. Strohbusch, K. Peters, B. Kämmle, Mark J. Burchell, R. P. Haddock, K. Braune, S. Spanier, A. Noble, J. Lüdemann, H. Kalinowsky, Herbert Koch, P. Birien, D. Urner, F. H. Heinsius, C. Völcker, E. Schäfer, Z. Jávorfi, C. Straßburger, Marcel Kunze, Claude Amsler, James A. Bistirlich, T. Case, G. Folger, Michael Kobel, P. Blüm, C. Felix, D.V. Bugg, Č. Zupančič, M. Englert, B. M. Barnett, K. Beuchert, N. Winter, D. Jamnik, and D. Engelhardt

Subjects
Nuclear physics, Physics, Crystal, Annihilation, Deuterium, Antiproton, Partial wave analysis, Resonance, Dalitz plot, Atomic physics, Parametrization
Abstract

With the Crystal Barrel detector, the final state π−π0π0pS at rest in liquid deuterium was measured for the first time. A preliminary partial-wave analysis was performed, which required two interesting features: besides the ρ(770), a second pole was needed in the ππP-wave and a narrow resonance in the ππS-wave, slightly above 1500 MeV/c2. With the same parametrization a high-statistics π+π−π0 data set could also be well described.

Published
1994

45. Observation of a new IG(JPC)=1−(0++) resonance at 1450 MeV

Author

P. Schmidt, W. Dünnweber, C. Felix, U. Wiedner, Michael Doser, B. S. Zou, Eberhard Klempt, D. Urner, C. Kolo, L. Montanet, B. Kämmle, F. Loser, I. Augustin, T. Kiel, H. P. Dietz, C.J. Batty, Pàl Hidas, K. Peters, J. P. Merlo, R. Hackmann, J. Kisiel, C.A. Baker, A. V. Sarantsev, F. H. Heinsius, S. Ravndal, Herbert Koch, V. V. Anisovich, M. Suffert, D. Walther, J. Zoll, F. Walter, U. Strohbusch, G. Pinter, K. Königsman, Mark J. Burchell, Kenneth M. Crowe, Michael Kobel, J. Lüdemann, A. Cooper, J. Brose, S. von Dombrowski, B. M. Barnett, F. Ould-Saada, C. A. Meyer, Č. Zupančič, S. Spanier, P. Blüm, H. Kalinowsky, C. N. Pinder, A. Noble, R. Landua, D. S. Armstrong, T. Degener, M. Herz, D.V. Bugg, M. Merkel, P. Illinger, E. Schäfer, J. Salk, Nigel Hessey, C. Völcker, Marcel Kunze, C. Straβburger, R. Bossingham, Claude Amsler, K. Braune, S. U. Chung, M. A. Faessler, T. Case, H. Matthäy, M. Englert, P. Birien, R. P. Haddock, K. Beuchert, N. Winter, D. Jamnik, and D. Engelhardt

Subjects
Physics, Nuclear physics, Nuclear and High Energy Physics, Annihilation, Partial wave analysis, Resonance, Dalitz plot, Elementary particle, Quantum number
Abstract

A new IG=1− JPC=0++πη resonance is observed in pp annihilation at rest into π0π0η. It has a mass M=(1450±40)MeV and a width Γ=(270±40)MeV.

Published
1994

46. Search for a new light gauge boson in decays of π0 and η

Author

F. H. Heinsius, A. Cooper, G. Pinter, Č. Zupančič, B. S. Zou, L. Montanet, S. von Dombrowski, D. Urner, C. Felix, M. Suffert, Pàl Hidas, T. Case, B. Kämmle, H. Matthäy, Z. Jávorfi, P. Blüm, F. Ould-Saada, Claude Amsler, D.V. Bugg, J. Salk, R. Hackmann, T. Degener, C. A. Mever, D. Walther, R. Bossingham, J. Kisiel, Mark J. Burchell, N. Winter, U. Strohbusch, P. Birien, C. Kolo, J. Lüdemann, Michael Kobel, K. Beuchert, C.J. Batty, D. Jamnik, D. Engelhardt, B. M. Barnett, S. Ravndal, C.A. Baker, K. Braune, H. Kalinowsky, F. Walter, J. P. Merlo, M. Englert, K. Königsmann, R. Landua, Kenneth M. Crowe, E. Schäfer, J. Brose, Eberhard Klempt, T. Kiel, H. P. Dietz, C. N. Pinder, D. S. Armstrong, A. Noble, M. Merkel, J. Zoll, Herbert Koch, P. Illinger, I. Augustin, P. Schmidt, K. Peters, W. Dünnweber, A. H. Sanjari, M. A. Faessler, R.P. Haddock, Bernhard Schmid, F. Loser, U. Wiedner, Michael Doser, C. Völcker, Marcel Kunze, C. Straβburger, S. Spanier, N. P. Hessey, Heyd, Yvette, Institut de Recherches Subatomiques (IReS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Cancéropôle du Grand Est-Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS), and CRYSTAL BARREL

Subjects
Physics, Nuclear and High Energy Physics, Range (particle radiation), Gauge boson, Particle physics, Photon, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], 010308 nuclear & particles physics, Branching fraction, Elementary particle, 01 natural sciences, Upper and lower bounds, Nuclear physics, Particle decay, Photon emission, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], 010306 general physics, Particle Physics - Experiment
Abstract

We have searched for new light gauge bosons produced in π 0 and η decays by studying the kinematically well-constrained reactions p p→π 0 π 0 π 0 and p p→π 0 π 0 η , where one π 0 or the η decays through the emission of a single photon recoiling against a missing state X (where X is a long-lived weakly interacting particle or X →ν ν ). No signal has been observed and branching ratio upper limits of 6 × 10 −5 at 90% C.L. have been obtained for masses of the gauge boson lying between ∼65 MeV and 125 MeV ( π 0 decay), and 6 × 10 −5 at 90% C.L. for X masses between ∼200 MeV and 525 MeV (η decay). The π 0 -decay limit represents a factor of 4 to 8 improvement when compared to the existing limit, whereas the η decay limit has been measured for the first time, thereby extending the m x range from 130 MeV up to 525 MeV.

Published
1994

47. Observation of two JPC=0++ isoscalar resonances at 1365 and 1520 MeV

Author

Nigel Hessey, P. Blüm, C.A. Baker, A. V. Sarantsev, G. Folger, D.V. Bugg, R. Landua, K.M. Crowe, Michael Kobel, B. S. Zou, Eberhard Klempt, H. P. Dietz, G. Pinter, Pàl Hidas, P. Schmidt, F. Walter, J. Lüdemann, H. Koch, W. Dünnweber, J. P. Merlo, K. Königsmann, Krisztian Peters, B. M. Barnett, P. Illinger, M. Suffert, H. Kalinowsky, H. Matthäy, R. Bossingham, U. Wiedner, S. Spanier, U. Strohbusch, A. Noble, A. Cooper, J. Brose, J. Kisiel, Mark J. Burchell, E. Schäfer, Michael Doser, V. V. Anisovich, C. Kolo, L. Montanet, B. Kämmle, C. N. Pinder, T. Kiel, I. Augustin, K. Braune, D. Walther, D. S. Armstrong, Z. Jávorfi, C.J. Batty, C. Felix, C. Straßburger, M. Merkel, B. Schmid, M. A. Faessler, S. Ravndal, T. Degener, J. Salk, F. H. Heinsius, C. Völcker, A. H. Sanjari, J. Zoll, Marcel Kunze, T. Case, R. Hackmann, P. Birien, K. Beuchert, C. A. Meyer, N. Winter, D. Jamnik, D. Engelhardt, M. Englert, and R. P. Haddock

Subjects
Nuclear physics, Elastic scattering, Physics, Nuclear and High Energy Physics, Amplitude, Isoscalar, Resonance, Dalitz plot, Particle Data Group
Abstract

From a simultaneous analysis of data on pp → π0π0π0 and pp → ηηπ0 at rest, two I = 0, JPC = 0++ resonances are identified above 1 GeV. The first has mass M = 1365−55+20 MeV and width г = 268 ± 70 MeV, close to the ƒ0(1400) of the Particle Data Group. The second has M = 1520 ± 25 MeV, г = 148−25+20 MeV.

Published
1994

48. Protonium annihilation into KL0KL0π0 and KL0KS0η

Author

F. H. Heinsius, C. Völcker, Nigel Hessey, J. P. Merlo, R. Bossingham, C. N. Pinder, K. Königsmann, Pàl Hidas, Marcel Kunze, M. Suffert, P. Illinger, K. Braune, R. Hackmann, K. Beuchert, D. S. Armstrong, L. Montanet, N. Winter, T. Kiel, B. Kämmle, D. Jamnik, D. Engelhardt, C. Felix, D. Urner, H. Kalinowsky, M. Merkel, D. Walther, A. Cooper, S. von Dombrowski, P. Birien, C.A. Baker, M. Englert, E. Schäfer, S. Spanier, Eberhard Klempt, H. P. Dietz, F. Walter, P. Blüm, R. Glantz, Kenneth M. Crowe, Č. Zupančič, D.V. Bugg, Claude Amsler, J. Kisiel, U. Strohbusch, T. Case, H. Matthäy, G. Folger, Herbert Koch, Michael Kobel, C. Kolo, J. Brose, Z. Jávorfi, J. Lüdemann, F. Ould-Saada, C. Straßburger, A. H. Sanjari, J. Zoll, B. M. Barnett, T. Degener, G. Pinter, R. Landua, I. Augustin, K. Peters, C.J. Batty, C. A. Meyer, S. Ravndal, A. Noble, U. Wiedner, J. Salk, Michael Doser, Mark J. Burchell, B. S. Zou, M. A. Faessler, R.P. Haddock, P. Schmidt, W. Dünnweber, and Bernhard Schmid

Subjects
Physics, Nuclear physics, Nuclear and High Energy Physics, Annihilation, Amplitude, 010308 nuclear & particles physics, Protonium, 0103 physical sciences, Resonance, Elementary particle, 010306 general physics, 01 natural sciences
Abstract

The annihilation of pp at rest into KL0KS0π0 and KL0KS0η was investigated with the Crystal Barrel detector at LEAR. These final states with negative C-parity are dominated by φ and K0∗ resonances. The ratios of the branching ratios are B(pp→φπ0)B(pp→φη)=8.3±2.1 and B(pp→K0K0∗+K0K0∗→KL0KS0π0)B(pp→φπ0→KL0KS0π0)= 2.04±0.21.

Published
1993

49. Antiproton-proton annihilation at rest into ωπ0π0

Author

L. Montanet, Herbert Koch, R. Hackmann, P. Schmidt, I. Augustin, F. H. Heinsius, D. Walther, C. Völcker, Mark J. Burchell, K. Peters, C. A. Meyer, U. Strohbusch, S. v. Dombrowski, D. S. Armstrong, James A. Bistirlich, Marcel Kunze, W. Dünnweber, A. Cooper, M. Merkel, Z. Jávorfi, J. Lüdemann, M. Suffert, A. Noble, C. Felix, C. Straßburger, J. Brose, T. Kiel, B. Schmid, Eberhard Klempt, G. Folger, P. Illinger, G. Pinter, H. P. Dietz, Michael Kobel, Michael Doser, A. H. Sanjari, B. Kämmle, J. Zoll, B. M. Barnett, Pàl Hidas, S. M. Spanier, J. Salk, E. Schäfer, C.J. Batty, Farid Ould-Saada, J. Kisiel, H. Bossy, M. A. Faessler, K. Beuchert, S. Ravndal, R.P. Haddock, N. Winter, D. Urner, D. Jamnik, H. Matthaey, D. Engelhardt, M. Englert, Nigel Hessey, Č. Zupančič, R. Bossingham, U. Wiedner, K. Braune, R. Landua, S. U. Chung, T. Case, H. Kalinowsky, C.A. Baker, J. P. Merlo, K. Königsmann, F. Walter, Kenneth M. Crowe, P. Blüm, Claude Amsler, D.V. Bugg, C. Kolo, and P. Birien

Subjects
Rest (physics), Nuclear physics, Physics, Nuclear and High Energy Physics, Annihilation, Proton, Antiproton
Published
1993

50. Radiative protonium annihilation into γγ, γπ0, γη, γω and γη′

Author

B. M. Barnett, R. Landua, L. Montanet, A. Cooper, M. Suffert, H. Kalinowsky, T. Case, J. Kisiel, J. Brose, H. Bossy, E. Schäfer, P. Blüm, Nigel Hessey, B. Kämmle, C. Kolo, S. v. Dombrowski, D. S. Armstrong, Z. Jávorfi, G. Pinter, M. Merkel, D.V. Bugg, F. Ould-Saada, C. Straßburger, P. Birien, C.A. Baker, Eberhard Klempt, H. P. Dietz, Claude Amsler, J. P. Merlo, S. Spanier, K. Königsmann, F. Walter, D. Urner, T. Kiel, P. Illinger, D. Walther, Kenneth M. Crowe, R. Bossingham, F. H. Heinsius, U. Strohbusch, C. Völcker, Herbert Koch, G. Folger, Marcel Kunze, Michael Kobel, Č. Zupančič, C. Felix, J. Lüdemann, K. Braune, S. U. Chung, C. A. Meyer, S. Waßmer, A. Noble, U. Wiedner, Michael Doser, I. Augustin, K. Peters, C.J. Batty, S. Ravndal, A. H. Sanjari, J. Zoll, James A. Bistirlich, P. Schmidt, W. Dünnweber, M. A. Faessler, R.P. Haddock, H. Matthaey, Bernhard Schmid, M. Englert, J. Salk, K. Beuchert, R. Hackmann, N. Winter, D. Jamnik, D. Engelhardt, Pàl Hidas, and Mark J. Burchell

Subjects
Physics, Nuclear physics, Nuclear and High Energy Physics, Particle physics, Annihilation, 010308 nuclear & particles physics, Antiproton, Branching fraction, 0103 physical sciences, Radiative transfer, 010306 general physics, 01 natural sciences
Abstract

Radiative p p annihilation at rest into γγ , γπ 0 , γη , γω and γη′ has been measured with the Crystal Barrel detector at LEAR for antiprotons stopped in liquid hydrogen. The branching ratios are B γπ 0 =(44±4)×10 −6 , B γη =(9.3±1.4)×10 −6 and B γω =(68±18)×10 −6 , respectively. For B γγ and B γη ′ we find new upper limits of 0.63×10 −6 and 12×10 −6 (95% CL), respectively.

Published
1993

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