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First experimental study of photon polarization in radiative B-s(0) decays

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Title: First experimental study of photon polarization in radiative B-s(0) decays
Authors: Aaij, R
Adeva, B
Adinolfi, M
Ajaltouni, Z
Akar, S
Albrecht, J
Alessio, F
Alexander, M
Ali, S
Alkhazov, G
Cartelle, PA
Alves, AA
Amato, S
Amerio, S
Amhis, Y
An, L
Anderlini, L
Andreassi, G
Andreotti, M
Andrews, JE
Appleby, RB
Archilli, F
D'Argent, P
Romeu, JA
Artamonov, A
Artuso, M
Aslanides, E
Auriemma, G
Baalouch, M
Babuschkin, I
Bachmann, S
Back, JJ
Badalov, A
Baesso, C
Baker, S
Baldini, W
Barlow, RJ
Barschel, C
Barsuk, S
Barter, W
Baszczyk, M
Batozskaya, V
Batsukh, B
Battista, V
Bay, A
Beaucourt, L
Beddow, J
Bedeschi, F
Bediaga, I
Bel, LJ
Bellee, V
Belloli, N
Belous, K
Belyaev, I
Ben-Haim, E
Bencivenni, G
Benson, S
Benton, J
Berezhnoy, A
Bernet, R
Bertolin, A
Betti, F
Bettler, M-O
Van Beuzekom, M
Bezshyiko, I
Bifani, S
Billoir, P
Bird, T
Birnkraut, A
Bitadze, A
Bizzeti, A
Blake, T
Blanc, F
Blouw, J
Blusk, S
Bocci, V
Boettcher, T
Bondar, A
Bondar, N
Bonivento, W
Borgheresi, A
Borghi, S
Borisyak, M
Borsato, M
Bossu, F
Boubdir, M
Bowcock, TJV
Bowen, E
Bozzi, C
Braun, S
Britsch, M
Britton, T
Brodzicka, J
Buchanan, E
Burr, C
Bursche, A
Buytaert, J
Cadeddu, S
Calabrese, R
Calvi, M
Gomez, MC
Camboni, A
Camboni, A
Campana, P
Perez, DC
Perez, DHC
Capriotti, L
Carbone, A
Carboni, G
Cardinale, R
Cardini, A
Carniti, P
Carson, L
Akiba, KC
Casse, G
Cassina, L
Garcia, LC
Cattaneo, M
Cauet, C
Cavallero, G
Cenci, R
Charles, M
Charpentier, P
Chatzikonstantinidis, G
Chefdeville, M
Chen, S
Cheung, S-F
Chobanova, V
Chrzaszcz, M
Vidal, XC
Ciezarek, G
Clarke, PEL
Clemencic, M
Cliff, HV
Closier, J
Coco, V
Cogan, J
Cogneras, E
Cogoni, V
Cojocariu, L
Collazuol, G
Collins, P
Comerma-Montells, A
Contu, A
Cook, A
Coombs, G
Coquereau, S
Corti, G
Corvo, M
Sobral, CMC
Couturier, B
Cowan, GA
Craik, DC
Crocombe, A
Cruz Torres, M
Cunliffe, S
Currie, R
D'Ambrosio, C
Da Cunha Marinho, F
Dall'Occo, E
Dalseno, J
David, PNY
Davis, A
De Aguiar Francisco, O
De Bruyn, K
De Capua, S
De Cian, M
De Miranda, JM
De Paula, L
De Serio, M
De Simone, P
Dean, C-T
Decamp, D
Deckenhoff, M
Del Buono, L
Demmer, M
Derkach, D
Deschamps, O
Dettori, F
Dey, B
Di Canto, A
Dijkstra, H
Dordei, F
Dorigo, M
Suarez, AD
Dovbnya, A
Dreimanis, K
Dufour, L
Dujany, G
Dungs, K
Durante, P
Dzhelyadin, R
Dziurda, A
Dzyuba, A
Deleage, N
Easo, S
Ebert, M
Egede, U
Egorychev, V
Eidelman, S
Eisenhardt, S
Eitschberger, U
Ekelhof, R
Eklund, L
Elsasser, C
Ely, S
Esen, S
Evans, HM
Evans, T
Falabella, A
Farley, N
Farry, S
Fay, R
Fazzini, D
Ferguson, D
Fernandez Albor, V
Fernandez Prieto, A
Ferrari, F
Ferreira Rodrigues, F
Ferro-Luzzi, M
Filippov, S
Fini, RA
Fiore, M
Fiorini, M
Firlej, M
Fitzpatrick, C
Fiutowski, T
Fleuret, F
Fohl, K
Fontana, M
Fontanelli, F
Forshaw, DC
Forty, R
Lima, VF
Frank, M
Frei, C
Fu, J
Furfaro, E
Farber, C
Gallas Torreira, A
Galli, D
Gallorini, S
Gambetta, S
Gandelman, M
Gandini, P
Gao, Y
Garcia Martin, LM
Garcia Pardinas, J
Tico, JG
Garrido, L
Garsed, PJ
Gascon, D
Gaspar, C
Gavardi, L
Gazzoni, G
Gerick, D
Gersabeck, E
Gersabeck, M
Gershon, T
Ghez, P
Giani, S
Gibson, V
Girard, OG
Giubega, L
Gizdov, K
Gligorov, VV
Golubkov, D
Golutvin, A
Gomes, A
Gorelov, IV
Gotti, C
Gandara, MG
Graciani Diaz, R
Cardoso, LAG
Grauges, E
Graverini, E
Graziani, G
Grecu, A
Griffith, P
Grillo, L
Cazon, BRG
Grunberg, O
Gushchin, E
Guz, Y
Gys, T
Gobel, C
Hadavizadeh, T
Hadjivasiliou, C
Haefeli, G
Haen, C
Haines, SC
Hall, S
Hamilton, B
Han, X
Hansmann-Menzemer, S
Harnew, N
Harnew, ST
Harrison, J
Hatch, M
He, J
Head, T
Heister, A
Hennessy, K
Henrard, P
Henry, L
Hernando Morata, JA
Van Herwijnen, E
Hess, M
Hicheur, A
Hill, D
Hombach, C
Hopchev, H
Hulsbergen, W
Humair, T
Hushchyn, M
Hussain, N
Hutchcroft, D
Idzik, M
Ilten, P
Jacobsson, R
Jaeger, A
Jalocha, J
Jans, E
Jawahery, A
Jiang, F
John, M
Johnson, D
Jones, CR
Joram, C
Jost, B
Jurik, N
Kandybei, S
Kanso, W
Karacson, M
Kariuki, JM
Karodia, S
Kecke, M
Kelsey, M
Kenyon, IR
Kenzie, M
Ketel, T
Khairullin, E
Khanji, B
Khurewathanakul, C
Kirn, T
Klaver, S
Klimaszewski, K
Koliiev, S
Kolpin, M
Komarov, I
Koopman, RF
Koppenburg, P
Kosmyntseva, A
Kozachuk, A
Kozeiha, M
Kravchuk, L
Kreplin, K
Kreps, M
Krokovny, P
Kruse, F
Krzemien, W
Kucewicz, W
Kucharczyk, M
Kudryavtsev, V
Kuonen, AK
Kurek, K
Kvaratskheliya, T
Lacarrere, D
Lafferty, G
Lai, A
Lambert, D
Lanfranchi, G
Langenbruch, C
Latham, T
Lazzeroni, C
Le Gac, R
Van Leerdam, J
Lees, J-P
Leflat, A
Lefrancois, J
Lefevre, R
Lemaitre, F
Lemos Cid, E
Leroy, O
Lesiak, T
Leverington, B
Li, Y
Likhomanenko, T
Lindner, R
Linn, C
Lionetto, F
Liu, B
Liu, X
Loh, D
Longstaff, I
Lopes, JH
Lucchesi, D
Lucio Martinez, M
Luo, H
Lupato, A
Luppi, E
Lupton, O
Lusiani, A
Lyu, X
Machefert, F
Maciuc, F
Maev, O
Maguire, K
Malde, S
Malinin, A
Maltsev, T
Manca, G
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Manning, P
Maratas, J
Marchand, JF
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Marino, P
Marks, J
Martellotti, G
Martin, M
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Martinez Vidal, F
Martins Tostes, D
Massacrier, LM
Massafferri, A
Matev, R
Mathad, A
Mathe, Z
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McCann, M
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Mcnab, A
McNulty, R
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Merk, M
Merli, A
Michielin, E
Milanes, DA
Minard, M-N
Mitzel, DS
Mogini, A
Molina Rodriguez, J
Monroy, IA
Monteil, S
Morandin, M
Morawski, P
Morda, A
Morello, MJ
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Mueller, J
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Yin, H
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Yuan, X
Yushchenko, O
Zarebski, KA
Zavertyaev, M
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Item Type: Journal Article
Abstract: The polarization of photons produced in radiative B0s decays is studied for the first time. The data are recorded by the LHCb experiment in pp collisions corresponding to an integrated luminosity of 3  fb−1 at center-of-mass energies of 7 and 8 TeV. A time-dependent analysis of the B0s→ϕγ decay rate is conducted to determine the parameter AΔ, which is related to the ratio of right- over left-handed photon polarization amplitudes in b→sγ transitions. A value of AΔ=−0.98+0.46−0.52+0.23−0.20 is measured. This result is consistent with the standard model prediction within 2 standard deviations.
Issue Date: 9-Jan-2017
Date of Acceptance: 10-Sep-2016
URI: http://hdl.handle.net/10044/1/44825
DOI: https://dx.doi.org/10.1103/PhysRevLett.118.021801
ISSN: 1079-7114
Publisher: American Physical Society
Journal / Book Title: Physical Review Letters
Volume: 118
Issue: 2
Copyright Statement: © 2017 CERN, for the LHCb Collaboration. Published by the American Physical Society under the terms of the Creative Commons Attribution 3.0 License (https://creativecommons.org/licenses/by/3.0/). Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.
Keywords: Science & Technology
Physical Sciences
Physics, Multidisciplinary
Physics
DISTRIBUTIONS
ASYMMETRIES
TOOL
hep-ex
General Physics
02 Physical Sciences
Publication Status: Published
Open Access location: http://dx.doi.org/10.1103/PhysRevLett.118.021801
Article Number: ARTN 021801
Appears in Collections:Physics
High Energy Physics