Abstract

The p t-differential production cross sections of the prompt (B feed-down subtracted) charmed mesons D0, D+, and D*+ in the rapidity range |y| < 0.5, and for transverse momentum 1 < p t  < 12 GeV/c, were measured in proton-proton collisions at s√=2.76TeV with the ALICE detector at the Large Hadron Collider. The analysis exploited the hadronic decays D0 → K−π+, D+ → K−π+π+, D*+ → D0π+, and their charge conjugates, and was performed on a Lint=1.1nb−1 event sample collected in 2011 with a minimum-bias trigger. The total charm production cross section at s√=2.76TeV and at 7 TeV was evaluated by extrapolating to the full phase space the p t-differential production cross sections at s√=2.76TeV and our previous measurements at s√=7TeV . The results were compared to existing measurements and to perturbative-QCD calculations. The fraction of cd− D mesons produced in a vector state was also determined.

Autore Pugliese

• Mastroserio Annalisa

Tutti gli autori

• Abelev B , Quintana AA , Adamova D , Adare AM , Aggarwal MM , Rinella GA , Agocs AG , Agostinelli A , 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 , Arslandok M , Asryan A , Augustinus A , Averbeck R , Awes TC , Aysto J , Azmi MD , Bach M , Badala A , Baek YW , Bailhache 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 , 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 , Berdnikov Y , Berenyi D , Bergmann C , Berzano D , Betev L , Bhasin A , Bhati AK , Bianchi N , Bianchi L , Bianchin C , Bielcik J , Bielcikova J , Bilandzic A , Blanco F , Blanco F , Blau D , Blume C , Boccioli M , Bock N , Bogdanov A , Boggild H , Bogolyubsky M , Boldizsar L , Bombara M , Book J , Borel H , Borissov A , Bortolin C , Bose S , Bossu F , Botje M , Bottger S , Boyer B , Braun-Munzinger P , Bregant M , Breitner T , Broz M , Brun R , Bruna E , Bruno GE , Budnikov D , Buesching H , Bufalino S , Bugaiev K , Busch O , Buthelezi Z , Caffarri D , Cai X , Caines H , Villar EC , Camerini P , Roman VC , Romeo GC , Carena W , Carena F , Carlin N , Carminati F , Montoya CAC , Diaz AC , Caselle M , Castellanos JC , Hernandez JFC , Casula EAR , Catanescu V , Cavicchioli C , Cepila J , 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 , Chung SU , Cicalo C , Cifarelli L , Cindolo F , Cleymans J , Coccetti F , Coffin JP , 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 I , Das K , Dash S , Dash A , De S , Moregula AD , de Barros GOV , De Caro A , de Cataldo G , de Cuveland J , De Falco A , De Gruttola D , Delagrange H , Sanchez ED , Deloff A , Demanov V , De Marco N , Denes E , De Pasquale S , Deppman A , Erasmo GD , de Rooij R , 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 , Ducroux L , Dupieux P , Majumdar MRD , Majumdar AKD , Elia D , Emschermann D , Engel H , 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 , Feofilov G , Tellez AF , Ferretti A , Ferretti R , Figiel J , Figueredo MAS , Filchagin S , Fini R , Finogeev D , Fionda FM , Fiore EM , Floris M , Foertsch S , Foka P , Fokin S , Fragiacomo E , Fragkiadakis M , 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 A , Gheata M , 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 A , Grigoras C , Grigoriev V , Grigoryan S , Grigoryan A , Grinyov B , Grion N , Gros P , Grosse-Oetringhaus 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 Z , Harris JW , Hartig M , Hasegan D , Hatzifotiadou D , Hayrapetyan A , Heide M , Helstrup H , Herghelegiu A , Corral GH , Herrmann N , Hetland KF , Hicks B ,

Titolo volume/Rivista

JOURNAL OF HIGH ENERGY PHYSICS

Anno di pubblicazione

2012

ISSN

1126-6708

ISBN

Non Disponibile

Numero di citazioni Wos

Nessuna citazione

Ultimo Aggiornamento Citazioni

Non Disponibile

Numero di citazioni Scopus

6

Ultimo Aggiornamento Citazioni

2017-04-22 03:20:59

Settori ERC

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Codici ASJC

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