Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/75156
Type: Artigo de periódico
Title: Strange particle production in proton-proton collisions at root s=0.9 TeV with ALICE at the LHC
Author: Aamodt, K
Quintana, AA
Adamova, D
Adare, AM
Aggarwal, MM
Rinella, GA
Agocs, AG
Salazar, SA
Ahammed, Z
Ahmad, N
Masoodi, AA
Ahn, SU
Akindinov, A
Aleksandrov, D
Alessandro, B
Molina, RA
Alici, A
Alkin, A
Avina, EA
Alt, T
Altini, V
Altinpinar, S
Altsybeev, I
Andrei, C
Andronic, A
Anguelov, V
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
Asryan, A
Augustinus, A
Averbeck, R
Awes, TC
Aysto, J
Azmi, MD
Bach, M
Badala, A
Baek, YW
Bagnasco, S
Bailhache, R
Bala, R
Ferroli, RB
Baldisseri, A
Baldit, A
Ban, J
Barbera, R
Barile, F
Barnafoldi, GG
Barnby, LS
Barret, V
Bartke, J
Basile, M
Bastid, N
Bathen, B
Batigne, G
Batyunya, B
Baumann, C
Bearden, IG
Beck, H
Belikov, I
Bellini, F
Bellwied, R
Belmont-Moreno, E
Beole, S
Berceanu, I
Bercuci, A
Berdermann, E
Berdnikov, Y
Betev, L
Bhasin, A
Bhati, AK
Bianchi, L
Bianchi, N
Bianchin, C
Bielcik, J
Bielcikova, J
Bilandzic, A
Biolcati, E
Blanc, A
Blanco, F
Blanco, F
Blau, D
Blume, C
Boccioli, M
Bock, N
Bogdanov, A
Boggild, H
Bogolyubsky, M
Boldizsar, L
Bombara, M
Bombonati, C
Book, J
Borel, H
Bortolin, C
Bose, S
Bossu, F
Botje, M
Bottger, S
Boyer, B
Braun-Munzinger, P
Bravina, L
Bregant, M
Breitner, T
Broz, M
Brun, R
Bruna, E
Bruno, GE
Budnikov, D
Buesching, H
Busch, O
Buthelezi, Z
Caffarri, D
Cai, X
Caines, H
Villar, EC
Camerini, P
Roman, VC
Romeo, GC
Carena, F
Carena, W
Carminati, F
Diaz, AC
Caselle, M
Castellanos, JC
Catanescu, V
Cavicchioli, C
Cerello, P
Chang, B
Chapeland, S
Charvet, JL
Chattopadhyay, S
Chattopadhyay, S
Cherney, M
Cheshkov, C
Cheynis, B
Chiavassa, E
Barroso, VC
Chinellato, DD
Chochula, P
Chojnacki, M
Christakoglou, P
Christensen, CH
Christiansen, P
Chujo, T
Cicalo, C
Cifarelli, L
Cindolo, F
Cleymans, J
Coccetti, F
Coffin, JP
Coli, S
Balbastre, GC
del Valle, ZC
Constantin, P
Contin, G
Contreras, JG
Cormier, TM
Morales, YC
Maldonado, IC
Cortese, P
Cosentino, MR
Costa, F
Cotallo, ME
Crescio, E
Crochet, P
Cuautle, E
Cunqueiro, L
Erasmo, GD
Dainese, A
Dalsgaard, HH
Danu, A
Das, D
Das, I
Dash, A
Dash, S
De, S
Moregula, AD
de Barros, GOV
De Caro, A
de Cataldo, G
de Cuveland, J
De Falco, A
De Gruttola, D
De Marco, N
De Pasquale, S
De Remigis, R
de Rooij, R
Delagrange, H
Mercado, YD
Dellacasa, G
Deloff, A
Demanov, V
Denes, E
Deppman, A
Di Bari, D
Di Giglio, C
Di Liberto, S
Di Mauro, A
Di Nezza, P
Dietel, T
Divia, R
Djuvsland, O
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Dominguez, I
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Majumdar, AKD
Majumdar, MRD
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Tellez, AF
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Figueredo, MAS
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Fini, R
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Foertsch, S
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Frankenfeld, U
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Girard, MF
Gaardhoje, JJ
Gadrat, S
Gagliardi, M
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Ganoti, P
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Gemme, R
Gerhard, J
Germain, M
Geuna, C
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Ghidini, B
Ghosh, P
Girard, MR
Giraudo, G
Giubellino, P
Gladysz-Dziadus, E
Glassel, P
Gomez, R
Gonzalez-Trueba, LH
Gonzalez-Zamora, P
Santos, HG
Gorbunov, S
Gotovac, S
Grabski, V
Grajcarek, R
Grelli, A
Grigoras, A
Grigoras, C
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Grigoryan, A
Grigoryan, S
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Gros, P
Grosse-Oetringhaus, JF
Grossiord, JY
Grosso, R
Guber, F
Guernane, R
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Gupta, A
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Gutbrod, H
Haaland, O
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Hamagaki, H
Hamar, G
Harris, JW
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Hippolyte, B
Horaguchi, T
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Irfan, M
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Vannucci, L
Vargas, A
Varma, R
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Vasiliev, A
Vechernin, V
Venaruzzo, M
Vercellin, E
Vergara, S
Vernet, R
Verweij, M
Vickovic, L
Viesti, G
Vikhlyantsev, O
Vilakazi, Z
Baillie, OV
Vinogradov, A
Vinogradov, L
Vinogradov, Y
Virgili, T
Viyogi, YP
Vodopyanov, A
Voloshin, K
Voloshin, S
Volpe, G
von Haller, B
Vranic, D
Vrlakova, J
Vulpescu, B
Wagner, B
Wagner, V
Wan, R
Wang, D
Wang, Y
Wang, Y
Watanabe, K
Wessels, JP
Westerhoff, U
Wiechula, J
Wikne, J
Wilde, M
Wilk, A
Wilk, G
Williams, MCS
Windelband, B
Yang, H
Yasnopolskiy, S
Yi, J
Yin, Z
Yokoyama, H
Yoo, IK
Yuan, X
Yushmanov, I
Zabrodin, E
Zampolli, C
Zaporozhets, S
Zarochentsev, A
Zavada, P
Zbroszczyk, H
Zelnicek, P
Zenin, A
Zgura, I
Zhalov, M
Zhang, X
Zhou, D
Zichichi, A
Zinovjev, G
Zoccarato, Y
Zynovyev, M
Abstract: The production of mesons containing strange quarks (K-S(0), phi) and both singly and doubly strange baryons (Lambda, (Lambda) over bar, and Xi(-) + (Xi) over bar (+)) are measured at mid-rapidity in pp collisions at root s = 0.9 TeV with the ALICE experiment at the LHC. The results are obtained from the analysis of about 250 k minimum bias events recorded in 2009. Measurements of yields (dN/dy) and transverse momentum spectra at mid-rapidity for inelastic pp collisions are presented. For mesons, we report yields (< dN/dy >) of 0.184 +/- 0.002(stat.) +/- 0.006(syst.) for K-S(0) and 0.021 +/- 0.004(stat.) +/- 0.003(syst.) for phi. For baryons, we find < dN/dy > = 0.048 +/- 0.001(stat.) +/- 0.004(syst.) for Lambda, 0.047 +/- 0.002(stat.) +/- 0.005(syst.) for (Lambda) over bar and 0.0101 +/- 0.0020(stat.) +/- 0.0009(syst.) for Xi(-) + (Xi) over bar (+). The results are also compared with predictions for identified particle spectra from QCD-inspired models and provide a baseline for comparisons with both future pp measurements at higher energies and heavy-ion collisions.
Country: EUA
Editor: Springer
Rights: fechado
Identifier DOI: 10.1140/epjc/s10052-011-1594-5
Date Issue: 2011
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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