A measurement of the inclusive b→ sγ branching ratio
The flavour changing neutral current decay b→ sγ has been detected in hadronic Z decays collected by ALEPH at LEP. The signal is isolated in lifetime-tagged b b ̄ events by the presence of a hard photon associated with a system of high momentum and high rapidity hadrons. The background processes are...
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| Veröffentlicht in: | Physics letters. B 1998-06, Vol.429 (1), p.169-187 |
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| creator | Boix, G. Casado, M.P. Garrido, Ll Graugès, E. Merino, G. Mir, Ll.M. Riu, I. Sanchez, F. Gelao, G. Maggi, M. Tricomi, A. Huang, X. Zhang, J. Zhang, L. Cattaneo, M. Hansen, J.B. Jost, B. Mato, P. Pusztaszeri, J.-F. Rolandi, L. Rousseau, D. Schlatter, D. Schneider, O. Tomalin, I.R. Chazelle, G. Henrard, P. Monteil, S. Pallin, D. Podlyski, F. Rosnet, P. Wäänänen, A. Siotis, I. Valassi, A. Focardi, E. Parrini, G. Zachariadou, K. Bencivenni, G. Mannocchi, G. Murtas, G.P. Halley, A.W. Lynch, J.G. Thomson, E. Dhamotharan, S. Hanke, P. Tittel, K. Beuselinck, R. Binnie, D.M. Cameron, W. Girone, M. Sedgbeer, J.K. Kneringer, E. Buck, P.G. Colrain, P. Hughes, G. Sloan, T. Giehl, I. Kleinknecht, K. Renk, B. Sander, H.-G. van Gemmeren, P. Zeitnitz, C. Aubert, J.J. Benchouk, C. Carr, J. Leroy, O. Talby, M. Seywerd, H. Cordier, A. Davier, M. Duflot, L. Tournefier, E. Videau, I. Zerwas, D. Boccali, T. Ferrante, I. Giassi, A. Ligabue, F. Lusiani, A. Messineo, A. Sanguinetti, G. Tenchini, R. Vannini, C. Blair, G.A. Green, M.G. Botterill, D.R. Edgecock, T.R. Lançon, E. Lemaire, M.-C. Schwindling, J. Vallage, B. Black, S.N. McNeil, M.A. Combley, F. Smolik, L. Stephan, F. Rothberg, J. Wasserbaech, S. Armstrong, S.R. Ferguson, D.P.S. Nachtman, J.M. |
| description | The flavour changing neutral current decay
b→
sγ has been detected in hadronic Z decays collected by ALEPH at LEP. The signal is isolated in lifetime-tagged
b
b
̄
events by the presence of a hard photon associated with a system of high momentum and high rapidity hadrons. The background processes are normalised from the data themselves. The inclusive branching ratio is measured to be
(3.11±0.80
stat
±0.72
syst
)×10
−4,
consistent with the Standard Model expectation via penguin processes. |
| doi_str_mv | 10.1016/S0370-2693(98)00404-3 |
| format | Article |
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b→
sγ has been detected in hadronic Z decays collected by ALEPH at LEP. The signal is isolated in lifetime-tagged
b
b
̄
events by the presence of a hard photon associated with a system of high momentum and high rapidity hadrons. The background processes are normalised from the data themselves. The inclusive branching ratio is measured to be
(3.11±0.80
stat
±0.72
syst
)×10
−4,
consistent with the Standard Model expectation via penguin processes.</description><identifier>ISSN: 0370-2693</identifier><identifier>EISSN: 1873-2445</identifier><identifier>DOI: 10.1016/S0370-2693(98)00404-3</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>High Energy Physics - Experiment ; Physics</subject><ispartof>Physics letters. 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D.P.S.</creatorcontrib><creatorcontrib>Nachtman, J.M.</creatorcontrib><creatorcontrib>ALEPH Collaboration</creatorcontrib><title>A measurement of the inclusive b→ sγ branching ratio</title><title>Physics letters. B</title><description>The flavour changing neutral current decay
b→
sγ has been detected in hadronic Z decays collected by ALEPH at LEP. The signal is isolated in lifetime-tagged
b
b
̄
events by the presence of a hard photon associated with a system of high momentum and high rapidity hadrons. The background processes are normalised from the data themselves. The inclusive branching ratio is measured to be
(3.11±0.80
stat
±0.72
syst
)×10
−4,
consistent with the Standard Model expectation via penguin processes.</description><subject>High Energy Physics - Experiment</subject><subject>Physics</subject><issn>0370-2693</issn><issn>1873-2445</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1998</creationdate><recordtype>article</recordtype><recordid>eNqFkF1KAzEUhYMoWKtLEPKoyOi9k8zfk5RSrVDwQX0OmeTGRtqZkkwLbsAFuBX34SJcif2Rvvp0Xr5z4HyMnSNcI2B-8wSigCTNK3FRlZcAEmQiDlgPy0IkqZTZIevtkWN2EuMbAGAGeY8VAz4nHZeB5tR0vHW8mxL3jZkto18Rr38-Pnn8_uJ10I2Z-uaVB9359pQdOT2LdPaXffZyN3oejpPJ4_3DcDBJjKigSyw66ygVTmKKAE7aimSOsrCughRzrGswkjSW2jlZlxUZk9nSllAUILURfXa1253qmVoEP9fhXbXaq_FgonyTLoTafMEshxWu6WxHm9DGGMjtKwhq40ptXamNCFWVautKiXXvdtej9ZWVp6Ci8dQYsj6Q6ZRt_T8Lv2BPcN8</recordid><startdate>19980611</startdate><enddate>19980611</enddate><creator>Boix, G.</creator><creator>Casado, M.P.</creator><creator>Garrido, Ll</creator><creator>Graugès, E.</creator><creator>Merino, G.</creator><creator>Mir, Ll.M.</creator><creator>Riu, 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B.V</general><general>Elsevier</general><scope>AAYXX</scope><scope>CITATION</scope><scope>1XC</scope><orcidid>https://orcid.org/0000-0001-7292-9271</orcidid><orcidid>https://orcid.org/0000-0002-5732-4343</orcidid><orcidid>https://orcid.org/0000-0003-3332-2615</orcidid><orcidid>https://orcid.org/0000-0001-6567-3036</orcidid><orcidid>https://orcid.org/0000-0002-9495-9145</orcidid><orcidid>https://orcid.org/0000-0002-7047-6042</orcidid><orcidid>https://orcid.org/0000-0001-7613-8063</orcidid><orcidid>https://orcid.org/0000-0002-1297-8925</orcidid><orcidid>https://orcid.org/0000-0002-9963-8359</orcidid><orcidid>https://orcid.org/0000-0002-9468-4751</orcidid><orcidid>https://orcid.org/0000-0002-9930-9299</orcidid><orcidid>https://orcid.org/0000-0002-8859-5453</orcidid><orcidid>https://orcid.org/0000-0002-2589-240X</orcidid></search><sort><creationdate>19980611</creationdate><title>A measurement of the inclusive b→ sγ branching ratio</title><author>Boix, G. ; Casado, M.P. ; Garrido, Ll ; Graugès, E. ; Merino, G. ; Mir, Ll.M. ; Riu, I. ; Sanchez, F. ; Gelao, G. ; Maggi, M. ; Tricomi, A. ; Huang, X. ; Zhang, J. ; Zhang, L. ; Cattaneo, M. ; Hansen, J.B. ; Jost, B. ; Mato, P. ; Pusztaszeri, J.-F. ; Rolandi, L. ; Rousseau, D. ; Schlatter, D. ; Schneider, O. ; Tomalin, I.R. ; Chazelle, G. ; Henrard, P. ; Monteil, S. ; Pallin, D. ; Podlyski, F. ; Rosnet, P. ; Wäänänen, A. ; Siotis, I. ; Valassi, A. ; Focardi, E. ; Parrini, G. ; Zachariadou, K. ; Bencivenni, G. ; Mannocchi, G. ; Murtas, G.P. ; Halley, A.W. ; Lynch, J.G. ; Thomson, E. ; Dhamotharan, S. ; Hanke, P. ; Tittel, K. ; Beuselinck, R. ; Binnie, D.M. ; Cameron, W. ; Girone, M. ; Sedgbeer, J.K. ; Kneringer, E. ; Buck, P.G. ; Colrain, P. ; Hughes, G. ; Sloan, T. ; Giehl, I. ; Kleinknecht, K. ; Renk, B. ; Sander, H.-G. ; van Gemmeren, P. ; Zeitnitz, C. ; Aubert, J.J. ; Benchouk, C. ; Carr, J. ; Leroy, O. ; Talby, M. ; Seywerd, H. ; Cordier, A. ; Davier, M. ; Duflot, L. ; Tournefier, E. ; Videau, I. ; Zerwas, D. ; Boccali, T. ; Ferrante, I. ; Giassi, A. ; Ligabue, F. ; Lusiani, A. ; Messineo, A. ; Sanguinetti, G. ; Tenchini, R. ; Vannini, C. ; Blair, G.A. ; Green, M.G. ; Botterill, D.R. ; Edgecock, T.R. ; Lançon, E. ; Lemaire, M.-C. ; Schwindling, J. ; Vallage, B. ; Black, S.N. ; McNeil, M.A. ; Combley, F. ; Smolik, L. ; Stephan, F. ; Rothberg, J. ; Wasserbaech, S. ; Armstrong, S.R. ; Ferguson, D.P.S. ; Nachtman, J.M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c390t-d1fdfe23f412100f4d9e46147df902161bb0c4ea18aff4b89ecc5d8d807704ac3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1998</creationdate><topic>High Energy Physics - Experiment</topic><topic>Physics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Boix, G.</creatorcontrib><creatorcontrib>Casado, M.P.</creatorcontrib><creatorcontrib>Garrido, Ll</creatorcontrib><creatorcontrib>Graugès, E.</creatorcontrib><creatorcontrib>Merino, G.</creatorcontrib><creatorcontrib>Mir, Ll.M.</creatorcontrib><creatorcontrib>Riu, I.</creatorcontrib><creatorcontrib>Sanchez, F.</creatorcontrib><creatorcontrib>Gelao, G.</creatorcontrib><creatorcontrib>Maggi, M.</creatorcontrib><creatorcontrib>Tricomi, A.</creatorcontrib><creatorcontrib>Huang, X.</creatorcontrib><creatorcontrib>Zhang, J.</creatorcontrib><creatorcontrib>Zhang, L.</creatorcontrib><creatorcontrib>Cattaneo, M.</creatorcontrib><creatorcontrib>Hansen, J.B.</creatorcontrib><creatorcontrib>Jost, B.</creatorcontrib><creatorcontrib>Mato, P.</creatorcontrib><creatorcontrib>Pusztaszeri, J.-F.</creatorcontrib><creatorcontrib>Rolandi, L.</creatorcontrib><creatorcontrib>Rousseau, D.</creatorcontrib><creatorcontrib>Schlatter, D.</creatorcontrib><creatorcontrib>Schneider, O.</creatorcontrib><creatorcontrib>Tomalin, I.R.</creatorcontrib><creatorcontrib>Chazelle, G.</creatorcontrib><creatorcontrib>Henrard, P.</creatorcontrib><creatorcontrib>Monteil, S.</creatorcontrib><creatorcontrib>Pallin, D.</creatorcontrib><creatorcontrib>Podlyski, F.</creatorcontrib><creatorcontrib>Rosnet, P.</creatorcontrib><creatorcontrib>Wäänänen, A.</creatorcontrib><creatorcontrib>Siotis, I.</creatorcontrib><creatorcontrib>Valassi, A.</creatorcontrib><creatorcontrib>Focardi, E.</creatorcontrib><creatorcontrib>Parrini, G.</creatorcontrib><creatorcontrib>Zachariadou, K.</creatorcontrib><creatorcontrib>Bencivenni, G.</creatorcontrib><creatorcontrib>Mannocchi, G.</creatorcontrib><creatorcontrib>Murtas, G.P.</creatorcontrib><creatorcontrib>Halley, A.W.</creatorcontrib><creatorcontrib>Lynch, J.G.</creatorcontrib><creatorcontrib>Thomson, E.</creatorcontrib><creatorcontrib>Dhamotharan, S.</creatorcontrib><creatorcontrib>Hanke, P.</creatorcontrib><creatorcontrib>Tittel, K.</creatorcontrib><creatorcontrib>Beuselinck, R.</creatorcontrib><creatorcontrib>Binnie, D.M.</creatorcontrib><creatorcontrib>Cameron, W.</creatorcontrib><creatorcontrib>Girone, M.</creatorcontrib><creatorcontrib>Sedgbeer, J.K.</creatorcontrib><creatorcontrib>Kneringer, E.</creatorcontrib><creatorcontrib>Buck, P.G.</creatorcontrib><creatorcontrib>Colrain, P.</creatorcontrib><creatorcontrib>Hughes, G.</creatorcontrib><creatorcontrib>Sloan, T.</creatorcontrib><creatorcontrib>Giehl, I.</creatorcontrib><creatorcontrib>Kleinknecht, K.</creatorcontrib><creatorcontrib>Renk, B.</creatorcontrib><creatorcontrib>Sander, H.-G.</creatorcontrib><creatorcontrib>van Gemmeren, P.</creatorcontrib><creatorcontrib>Zeitnitz, C.</creatorcontrib><creatorcontrib>Aubert, J.J.</creatorcontrib><creatorcontrib>Benchouk, C.</creatorcontrib><creatorcontrib>Carr, J.</creatorcontrib><creatorcontrib>Leroy, O.</creatorcontrib><creatorcontrib>Talby, M.</creatorcontrib><creatorcontrib>Seywerd, H.</creatorcontrib><creatorcontrib>Cordier, A.</creatorcontrib><creatorcontrib>Davier, M.</creatorcontrib><creatorcontrib>Duflot, L.</creatorcontrib><creatorcontrib>Tournefier, E.</creatorcontrib><creatorcontrib>Videau, I.</creatorcontrib><creatorcontrib>Zerwas, D.</creatorcontrib><creatorcontrib>Boccali, T.</creatorcontrib><creatorcontrib>Ferrante, I.</creatorcontrib><creatorcontrib>Giassi, A.</creatorcontrib><creatorcontrib>Ligabue, F.</creatorcontrib><creatorcontrib>Lusiani, A.</creatorcontrib><creatorcontrib>Messineo, A.</creatorcontrib><creatorcontrib>Sanguinetti, G.</creatorcontrib><creatorcontrib>Tenchini, R.</creatorcontrib><creatorcontrib>Vannini, C.</creatorcontrib><creatorcontrib>Blair, G.A.</creatorcontrib><creatorcontrib>Green, M.G.</creatorcontrib><creatorcontrib>Botterill, D.R.</creatorcontrib><creatorcontrib>Edgecock, T.R.</creatorcontrib><creatorcontrib>Lançon, E.</creatorcontrib><creatorcontrib>Lemaire, M.-C.</creatorcontrib><creatorcontrib>Schwindling, J.</creatorcontrib><creatorcontrib>Vallage, B.</creatorcontrib><creatorcontrib>Black, S.N.</creatorcontrib><creatorcontrib>McNeil, M.A.</creatorcontrib><creatorcontrib>Combley, F.</creatorcontrib><creatorcontrib>Smolik, L.</creatorcontrib><creatorcontrib>Stephan, F.</creatorcontrib><creatorcontrib>Rothberg, J.</creatorcontrib><creatorcontrib>Wasserbaech, S.</creatorcontrib><creatorcontrib>Armstrong, S.R.</creatorcontrib><creatorcontrib>Ferguson, D.P.S.</creatorcontrib><creatorcontrib>Nachtman, J.M.</creatorcontrib><creatorcontrib>ALEPH Collaboration</creatorcontrib><collection>CrossRef</collection><collection>Hyper Article en Ligne (HAL)</collection><jtitle>Physics letters. B</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Boix, G.</au><au>Casado, M.P.</au><au>Garrido, Ll</au><au>Graugès, E.</au><au>Merino, G.</au><au>Mir, Ll.M.</au><au>Riu, I.</au><au>Sanchez, F.</au><au>Gelao, G.</au><au>Maggi, M.</au><au>Tricomi, A.</au><au>Huang, X.</au><au>Zhang, J.</au><au>Zhang, L.</au><au>Cattaneo, M.</au><au>Hansen, J.B.</au><au>Jost, B.</au><au>Mato, P.</au><au>Pusztaszeri, J.-F.</au><au>Rolandi, L.</au><au>Rousseau, D.</au><au>Schlatter, D.</au><au>Schneider, O.</au><au>Tomalin, I.R.</au><au>Chazelle, G.</au><au>Henrard, P.</au><au>Monteil, S.</au><au>Pallin, D.</au><au>Podlyski, F.</au><au>Rosnet, P.</au><au>Wäänänen, A.</au><au>Siotis, I.</au><au>Valassi, A.</au><au>Focardi, E.</au><au>Parrini, G.</au><au>Zachariadou, K.</au><au>Bencivenni, G.</au><au>Mannocchi, G.</au><au>Murtas, G.P.</au><au>Halley, A.W.</au><au>Lynch, J.G.</au><au>Thomson, E.</au><au>Dhamotharan, S.</au><au>Hanke, P.</au><au>Tittel, K.</au><au>Beuselinck, R.</au><au>Binnie, D.M.</au><au>Cameron, W.</au><au>Girone, M.</au><au>Sedgbeer, J.K.</au><au>Kneringer, E.</au><au>Buck, P.G.</au><au>Colrain, P.</au><au>Hughes, G.</au><au>Sloan, T.</au><au>Giehl, I.</au><au>Kleinknecht, K.</au><au>Renk, B.</au><au>Sander, H.-G.</au><au>van Gemmeren, P.</au><au>Zeitnitz, C.</au><au>Aubert, J.J.</au><au>Benchouk, C.</au><au>Carr, J.</au><au>Leroy, O.</au><au>Talby, M.</au><au>Seywerd, H.</au><au>Cordier, A.</au><au>Davier, M.</au><au>Duflot, L.</au><au>Tournefier, E.</au><au>Videau, I.</au><au>Zerwas, D.</au><au>Boccali, T.</au><au>Ferrante, I.</au><au>Giassi, A.</au><au>Ligabue, F.</au><au>Lusiani, A.</au><au>Messineo, A.</au><au>Sanguinetti, G.</au><au>Tenchini, R.</au><au>Vannini, C.</au><au>Blair, G.A.</au><au>Green, M.G.</au><au>Botterill, D.R.</au><au>Edgecock, T.R.</au><au>Lançon, E.</au><au>Lemaire, M.-C.</au><au>Schwindling, J.</au><au>Vallage, B.</au><au>Black, S.N.</au><au>McNeil, M.A.</au><au>Combley, F.</au><au>Smolik, L.</au><au>Stephan, F.</au><au>Rothberg, J.</au><au>Wasserbaech, S.</au><au>Armstrong, S.R.</au><au>Ferguson, D.P.S.</au><au>Nachtman, J.M.</au><aucorp>ALEPH Collaboration</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A measurement of the inclusive b→ sγ branching ratio</atitle><jtitle>Physics letters. B</jtitle><date>1998-06-11</date><risdate>1998</risdate><volume>429</volume><issue>1</issue><spage>169</spage><epage>187</epage><pages>169-187</pages><issn>0370-2693</issn><eissn>1873-2445</eissn><abstract>The flavour changing neutral current decay
b→
sγ has been detected in hadronic Z decays collected by ALEPH at LEP. The signal is isolated in lifetime-tagged
b
b
̄
events by the presence of a hard photon associated with a system of high momentum and high rapidity hadrons. The background processes are normalised from the data themselves. The inclusive branching ratio is measured to be
(3.11±0.80
stat
±0.72
syst
)×10
−4,
consistent with the Standard Model expectation via penguin processes.</abstract><pub>Elsevier B.V</pub><doi>10.1016/S0370-2693(98)00404-3</doi><tpages>19</tpages><orcidid>https://orcid.org/0000-0001-7292-9271</orcidid><orcidid>https://orcid.org/0000-0002-5732-4343</orcidid><orcidid>https://orcid.org/0000-0003-3332-2615</orcidid><orcidid>https://orcid.org/0000-0001-6567-3036</orcidid><orcidid>https://orcid.org/0000-0002-9495-9145</orcidid><orcidid>https://orcid.org/0000-0002-7047-6042</orcidid><orcidid>https://orcid.org/0000-0001-7613-8063</orcidid><orcidid>https://orcid.org/0000-0002-1297-8925</orcidid><orcidid>https://orcid.org/0000-0002-9963-8359</orcidid><orcidid>https://orcid.org/0000-0002-9468-4751</orcidid><orcidid>https://orcid.org/0000-0002-9930-9299</orcidid><orcidid>https://orcid.org/0000-0002-8859-5453</orcidid><orcidid>https://orcid.org/0000-0002-2589-240X</orcidid><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0370-2693 |
| ispartof | Physics letters. B, 1998-06, Vol.429 (1), p.169-187 |
| issn | 0370-2693 1873-2445 |
| language | eng |
| recordid | cdi_hal_primary_oai_HAL_in2p3_00011560v1 |
| source | Elsevier ScienceDirect Journals |
| subjects | High Energy Physics - Experiment Physics |
| title | A measurement of the inclusive b→ sγ branching ratio |
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