Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/53394
Type: Artigo de periódico
Title: Measurement of inelastic, single- and double-diffraction cross sections in proton-proton collisions at the LHC with ALICE
Author: Abelev, B
Adam, J
Adamova, D
Adare, AM
Aggarwal, MM
Rinella, GA
Agocs, AG
Agostinelli, A
Salazar, SA
Ahammed, Z
Masoodi, AA
Ahmad, N
Ahn, SA
Ahn, SU
Akindinov, A
Aleksandrov, D
Alessandro, B
Molina, RA
Alici, A
Alkin, A
Avina, EA
Alme, J
Alt, T
Altini, V
Altinpinar, S
Altsybeev, I
Andrei, C
Andronic, A
Anguelov, V
Anielski, J
Anson, C
Anticic, T
Antinori, F
Antonioli, P
Aphecetche, L
Appelshauser, H
Arbor, N
Arcelli, S
Arend, A
Armesto, N
Arnaldi, R
Aronsson, T
Arsene, IC
Arslandok, M
Asryan, A
Augustinus, A
Averbeck, R
Awes, TC
Aysto, J
Azmi, MD
Bach, M
Badala, A
Baek, YW
Bailhaches, R
Bala, R
Ferroli, RB
Baldisseri, A
Baldit, A
Pedrosa, FBD
Ban, J
Baral, RC
Barbera, R
Barile, F
Barnafoldi, GG
Barnby, LS
Barret, V
Bartke, J
Basile, M
Bastid, N
Basu, S
Bathen, B
Batigne, G
Batyunya, B
Baumann, C
Bearden, IG
Beck, H
Behera, NK
Belikov, I
Bellini, F
Bellwied, R
Belmont-Moreno, E
Bencedi, G
Beole, S
Berceanu, I
Bercuci, A
Berdnikov, Y
Berenyi, D
Bergognon, AAE
Berzano, D
Betev, L
Bhasin, A
Bhati, AK
Bhom, J
Bianchi, N
Bianchi, L
Bianchin, C
Bielcik, J
Bielcikova, J
Bilandzic, A
Bjelogrlic, S
Blanco, F
Blanco, F
Blau, D
Blume, C
Boccioli, M
Bock, N
Bottger, S
Bogdanov, A
Boggild, H
Bogolyubsky, M
Boldizsar, L
Bombara, M
Book, J
Borel, H
Borissov, A
Bose, S
Bossu, F
Botje, M
Botta, E
Boyer, B
Braidot, E
Braun-Munzinger, P
Bregant, M
Breitner, T
Browning, TA
Broz, M
Brun, R
Bruna, E
Bruno, GE
Budnikov, D
Buesching, H
Bufalino, S
Busch, O
Buthelezi, Z
Orduna, DC
Caffarri, D
Cai, X
Caines, H
Villar, EC
Camerini, P
Roman, VC
Romeo, GC
Carena, F
Carena, W
Carlin, N
Carminati, F
Diaz, AC
Castellanos, JC
Hernandez, JFC
Casula, EAR
Catanescu, V
Cavicchioli, C
Sanchez, CC
Cepila, J
Cerello, P
Chang, B
Chapeland, S
Charvet, JL
Chattopadhyay, S
Chattopadhyay, S
Chawla, I
Cherney, M
Cheshkov, C
Cheynis, B
Barroso, VC
Chinellato, DD
Chochula, P
Chojnacki, M
Choudhury, S
Christakoglou, P
Christensen, CH
Christiansen, P
Chujo, T
Chung, SU
Cicalo, C
Cifarelli, L
Cindolo, F
Cleymans, J
Coccetti, F
Colamaria, F
Colella, D
Balbastre, GC
del Valle, ZC
Constantin, P
Contin, G
Contreras, JG
Cormier, TM
Morales, YC
Cortese, P
Maldonado, IC
Cosentino, MR
Costa, F
Cotallo, ME
Crescio, E
Crochet, P
Alaniz, EC
Cuautle, E
Cunqueiro, L
Dainese, A
Dalsgaard, HH
Danu, A
Das, D
Das, K
Das, I
Dash, S
Dash, A
De, S
de Barros, GOV
De Caro, A
de Cataldo, G
de Cuveland, J
De Falco, A
De Gruttola, D
Delagrange, H
Deloff, A
Demanov, V
De Marco, N
Denes, E
De Pasquale, S
Deppman, A
Erasmo, GD
de Rooij, R
Corchero, MAD
Di Bari, D
Dietel, T
Di Giglio, C
Di Liberto, S
Di Mauro, A
Di Nezza, P
Divia, R
Djuvsland, O
Dobrin, A
Dobrowolski, T
Dominguez, I
Donigus, B
Dordic, O
Driga, O
Dubey, AK
Dubla, A
Ducroux, L
Dupieux, P
Majumdar, MRD
Majumdar, AKD
Elia, D
Emschermann, D
Engel, H
Erazmus, B
Erdal, HA
Espagnon, B
Estienne, M
Esumi, S
Evans, D
Eyyubova, G
Fabris, D
Faivre, J
Falchieri, D
Fantoni, A
Fasel, M
Fearick, R
Fedunov, A
Fehlker, D
Feldkamp, L
Felea, D
Fenton-Olsen, B
Feofilov, G
Tellez, AF
Ferretti, A
Ferretti, R
Festanti, A
Figiel, J
Figueredo, MAS
Filchagin, S
Finogeev, D
Fionda, FM
Fiore, EM
Floris, M
Foertsch, S
Foka, P
Fokin, S
Fragiacomo, E
Francescon, A
Frankenfeld, U
Fuchs, U
Furget, C
Girard, MF
Gaardhoje, JJ
Gagliardi, M
Gago, A
Gallio, M
Gangadharan, DR
Ganoti, P
Garabatos, C
Garcia-Solis, E
Garishvili, I
Gerhard, J
Germain, M
Geuna, C
Gheata, M
Gheata, A
Ghidini, B
Ghosh, P
Gianotti, P
Girard, MR
Giubellino, P
Gladysz-Dziadus, E
Glassel, P
Gomez, R
Ferreiro, EG
Gonzalez-Trueba, LH
Gonzalez-Zamora, P
Gorbunov, S
Goswami, A
Gotovac, S
Grabski, V
Graczykowski, LK
Grajcarek, R
Grelli, A
Grigoras, C
Grigoras, A
Grigoriev, V
Grigoryan, S
Grigoryan, A
Grinyov, B
Grion, N
Gros, P
Grosse-Oetringhauss, JF
Grossiord, JY
Grosso, R
Guber, F
Guernane, R
Gutierrez, CG
Guerzoni, B
Guilbaud, M
Gulbrandsen, K
Gunji, T
Gupta, A
Gupta, R
Gutbrod, H
Haaland, O
Hadjidakis, C
Haiduc, M
Hamagaki, H
Hamar, G
Han, BH
Hanratty, LD
Hansen, A
Harmanova-Tothova, Z
Harris, JW
Hartig, M
Hasegan, D
Hatzifotiadou, D
Hayrapetyan, A
Heckel, ST
Heide, M
Helstrup, H
Herghelegiu, A
Corral, GH
Herrmann, N
Hess, BA
Hetland, KF
Hicks, B
Hille, PT
Hippolyte, B
Horaguchi, T
Hori, Y
Hristov, P
Hrivnacova, I
Huang, M
Humanic, TJ
Hwang, DS
Ichou, R
Ilkaev, R
Ilkiv, I
Inaba, M
Incani, E
Innocenti, PG
Innocenti, GM
Ippolitov, M
Irfan, M
Ivan, C
Ivanov, A
Ivanov, M
Ivanov, V
Ivanytskyi, O
Jacholkowski, A
Jacobs, PM
Jang, HJ
Janik, R
Janik, MA
Jayarathna, PHSY
Jena, S
Jha, DM
Bustamante, RTJ
Jirden, L
Jones, PG
Jung, H
Jusko, A
Kaidalov, AB
Kakoyan, V
Kalcher, S
Kalinak, P
Kalliokoski, T
Kalweit, A
Kang, JH
Kaplin, V
Uysal, AK
Karavichev, O
Karavicheva, T
Karpechev, E
Kazantsev, A
Kebschull, U
Keidel, R
Khan, P
Khan, SA
Khan, MM
Khanzadeev, A
Kharlov, Y
Kileng, B
Kim, S
Kim, B
Kim, T
Kim, DJ
Kim, DW
Kim, JH
Kim, JS
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Kim, M
Kirsch, S
Kisel, I
Kiselev, S
Kisiel, A
Klay, JL
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Kliemant, M
Kluge, A
Knichel, ML
Knospe, AG
Koch, K
Kohler, MK
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Zhang, X
Zhang, H
Zhou, D
Zhou, Y
Zhou, F
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Zhu, X
Zichichi, A
Zimmermann, A
Zinovjev, G
Zoccarato, Y
Zynovyev, M
Zyzak, M
Abstract: Measurements of cross sections of inelastic and diffractive processes in proton-proton collisions at LHC energies were carried out with the ALICE detector. The fractions of diffractive processes in inelastic collisions were determined from a study of gaps in charged particle pseudorapidity distributions: for single diffraction (diffractive mass M-X < 200 GeV/c(2)) sigma(SD)/sigma(INEL) = 0.21 +/- 0.03, 0.20(-0.08)(+0.07,) and 0.20(-0.07)(+0.04), respectively at centre-of-mass energies root s = 0.9, 2.76, and 7 TeV; for double diffraction (for a pseudorapidity gap Delta eta > 3) sigma(DD)/sigma(INEL) = 0.11 +/- 0.03, 0.12 +/- 0.05, and 0.12(-0.04)(+0.05), respectively at root s = 0.9, 2.76, and 7 TeV. To measure the inelastic cross section, beam properties were determined with van der Meer scans, and, using a simulation of diffraction adjusted to data, the following values were obtained: sigma(INEL) = 62.8(-4.0)(+2.4)(model) +/- 1.2(lumi) mb at root s = 2.76 TeV and 73.2(-4.6)(+2.0)(model) +/- 2.6(lumi) mb at root s = 7 TeV. The single- and double-diffractive cross sections were calculated combining relative rates of diffraction with inelastic cross sections. The results are compared to previous measurements at proton-antiproton and proton-proton colliders at lower energies, to measurements by other experiments at the LHC, and to theoretical models.
Country: EUA
Editor: Springer
Rights: fechado
Identifier DOI: 10.1140/epjc/s10052-013-2456-0
Date Issue: 2013
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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