Measurement of pion, kaon and proton production in proton-proton collisions at [Formula: see text] TeV

在 [公式：见正文] TeV 的质子-质子碰撞中测量π介子、K介子和质子的产生

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作者：Adam,J,Adamová,D,Aggarwal,M M,Rinella,G Aglieri,Agnello,M,Agrawal,N,Ahammed,Z,Ahmed,I,Ahn,S U,Aimo,I,Aiola,S,Ajaz,M,Akindinov,A,Alam,S N,Aleksandrov,D,Alessandro,B,Alexandre,D,Molina,R Alfaro,Alici,A,Alkin,A,Alme,J,Alt,T,Altinpinar,S,Altsybeev,I,Prado,C Alves Garcia,Andrei,C,Andronic,A,Anguelov,V,Anielski,J,Antičić,T,Antinori,F,Antonioli,P,Aphecetche,L,Appelshäuser,H,Arcelli,S,Armesto,N,Arnaldi,R,Aronsson,T,Arsene,I C,Arslandok,M,Augustinus,A,Averbeck,R,Azmi,M D,Bach,M,Badalà,A,Baek,Y W,Bagnasco,S,Bailhache,R,Bala,R,Baldisseri,A,Ball,M,Pedrosa,F Baltasar Dos Santos,Baral,R C,Barbano,A M,Barbera,R,Barile,F,Barnaföldi,G G,Barnby,L S,Barret,V,Bartalini,P,Bartke,J,Bartsch,E,Basile,M,Bastid,N,Basu,S,Bathen,B,Batigne,G,Camejo,A Batista,Batyunya,B,Batzing,P C,Bearden,I G,Beck,H,Bedda,C,Behera,N K,Belikov,I,Bellini,F,Martinez,H Bello,Bellwied,R,Belmont,R,Belmont-Moreno,E,Belyaev,V,Bencedi,G,Beole,S,Berceanu,I,Bercuci,A,Berdnikov,Y,Berenyi,D,Bertens,R A,Berzano,D,Betev,L,Bhasin,A,Bhat,I R,Bhati,A K,Bhattacharjee,B,Bhom,J,Bianchi,L,Bianchi,N,Bianchin,C,Bielčík,J,Bielčíková,J,Bilandzic,A,Biswas,S,Bjelogrlic,S,Blanco,F,Blau,D,Blume,C,Bock,F,Bogdanov,A,Bøggild,H,Boldizsár,L,Bombara,M,Book,J,Borel,H,Borissov,A,Borri,M,Bossú,F,Botje,M,Botta,E,Böttger,S,Braun-Munzinger,P,Bregant,M,Breitner,T,Broker,T A,Browning,T A,Broz,M,Brucken,E J,Bruna,E,Bruno,G E,Budnikov,D,Buesching,H,Bufalino,S,Buncic,P,Busch,O,Buthelezi,Z,Buxton,J T,Caffarri,D,Cai,X,Caines,H,Diaz,L Calero,Caliva,A,Villar,E Calvo,Camerini,P,Carena,F,Carena,W,Castellanos,J Castillo,Castro,A J,Casula,E A R,Cavicchioli,C,Sanchez,C Ceballos,Cepila,J,Cerello,P,Chang,B,Chapeland,S,Chartier,M,Charvet,J L,Chattopadhyay,S,Chattopadhyay,S,Chelnokov,V,Cherney,M,Cheshkov,C,Cheynis,B,Barroso,V Chibante,Chinellato,D D,Chochula,P,Choi,K,Chojnacki,M,Choudhury,S,Christakoglou,P,Christensen,C H,Christiansen,P,Chujo,T,Chung,S U,Cicalo,C,Cifarelli,L,Cindolo,F,Cleymans,J,Colamaria,F,Colella,D,Collu,A,Colocci,M,Balbastre,G Conesa,Valle,Z Conesa Del,Connors,M E,Contreras,J G,Cormier,T M,Morales,Y Corrales,Maldonado,I Cortés,Cortese,P,Cosentino,M R,Costa,F,Crochet,P,Albino,R Cruz,Cuautle,E,Cunqueiro,L,Dahms,T,Dainese,A,Danu,A,Das,D,Das,I,Das,S,Dash,A,Dash,S,De,S,Caro,A De,Cataldo,G de,Cuveland,J de,Falco,A De,Gruttola,D De,Marco,N De,Pasquale,S De,Deisting,A,Deloff,A,Dénes,E,D'Erasmo,G,Bari,D Di,Mauro,A Di,Nezza,P Di,Corchero,M A Diaz,Dietel,T,Dillenseger,P,Divià,R,Djuvsland,Ø,Dobrin,A,Dobrowolski,T,Gimenez,D Domenicis,Dönigus,B,Dordic,O,Dubey,A K,Dubla,A,Ducroux,L,Dupieux,P,Ehlers,R J,Elia,D,Engel,H,Erazmus,B,Erhardt,F,Eschweiler,D,Espagnon,B,Estienne,M,Esumi,S,Eum,J,Evans,D,Evdokimov,S,Eyyubova,G,Fabbietti,L,Fabris,D,Faivre,J,Fantoni,A,Fasel,M,Feldkamp,L,Felea,D,Feliciello,A,Feofilov,G,Ferencei,J,Téllez,A Fernández,Ferreiro,E G,Ferretti,A,Festanti,A,Figiel,J,Figueredo,M A S,Filchagin,S,Finogeev,D,Fionda,F M,Fiore,E M,Fleck,M 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S,Ilkaev,R,Ilkiv,I,Inaba,M,Ionita,C,Ippolitov,M,Irfan,M,Ivanov,M,Ivanov,V,Izucheev,V,Jacobs,P M,Jahnke,C,Jang,H J,Janik,M A,Jayarathna,P H S Y,Jena,C,Jena,S,Bustamante,R T Jimenez,Jones,P G,Jung,H,Jusko,A,Kalinak,P,Kalweit,A,Kamin,J,Kang,J H,Kaplin,V,Kar,S,Uysal,A Karasu,Karavichev,O,Karavicheva,T,Karpechev,E,Kebschull,U,Keidel,R,Keijdener,D L D,Keil,M,Khan,K H,Khan,M M,Khan,P,Khan,S A,Khanzadeev,A,Kharlov,Y,Kileng,B,Kim,B,Kim,D W,Kim,D J,Kim,H,Kim,J S,Kim,M,Kim,M,Kim,S,Kim,T,Kirsch,S,Kisel,I,Kiselev,S,Kisiel,A,Kiss,G,Klay,J L,Klein,C,Klein,J,Klein-Bösing,C,Kluge,A,Knichel,M L,Knospe,A G,Kobayashi,T,Kobdaj,C,Kofarago,M,Köhler,M K,Kollegger,T,Kolojvari,A,Kondratiev,V,Kondratyeva,N,Kondratyuk,E,Konevskikh,A,Kouzinopoulos,C,Kovalenko,O,Kovalenko,V,Kowalski,M,Kox,S,Meethaleveedu,G Koyithatta,Kral,J,Králik,I,Kravčáková,A,Krelina,M,Kretz,M,Krivda,M,Krizek,F,Kryshen,E,Krzewicki,M,Kubera,A M,Kučera,V,Kucheriaev,Y,Kugathasan,T,Kuhn,C,Kuijer,P G,Kulakov,I,Kumar,J,Kumar,L,Kurashvili,P,Kurepin,A,Kurepin,A B,Kuryakin,A,Kushpil,S,Kweon,M J,Kwon,Y,Pointe,S L La,Rocca,P La,Fernandes,C Lagana,Lakomov,I,Langoy,R,Lara,C,Lardeux,A,Lattuca,A,Laudi,E,Lea,R,Leardini,L,Lee,G R,Lee,S,Legrand,I,Lehnert,J,Lemmon,R C,Lenti,V,Leogrande,E,Monzón,I León,Leoncino,M,Lévai,P,Li,S,Li,X,Lien,J,Lietava,R,Lindal,S,Lindenstruth,V,Lippmann,C,Lisa,M A,Ljunggren,H M,Lodato,D F,Loenne,P I,Loggins,V R,Loginov,V,Loizides,C,Lopez,X,Torres,E López,Lowe,A,Lu,X-G,Luettig,P,Lunardon,M,Luparello,G,Maevskaya,A,Mager,M,Mahajan,S,Mahmood,S M,Maire,A,Majka,R D,Malaev,M,Cervantes,I Maldonado,Malinina,L,Mal'Kevich,D,Malzacher,P,Mamonov,A,Manceau,L,Manko,V,Manso,F,Manzari,V,Marchisone,M,Mareš,J,Margagliotti,G V,Margotti,A,Margutti,J,Marín,A,Markert,C,Marquard,M,Martin,N A,Blanco,J Martin,Martinengo,P,Martínez,M I,Martínez García,G,Pedreira,M Martinez,Martynov,Y,Mas,A,Masciocchi,S,Masera,M,Masoni,A,Massacrier,L,Mastroserio,A,Masui,H,Matyja,A,Mayer,C,Mazer,J,Mazzoni,M 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期刊：European Physical Journal C影响因子：4.800
时间：2015起止号：2015;75(5):226
doi：10.1140/epjc/s10052-015-3422-9

Abstract

The measurement of primary [Formula: see text], [Formula: see text], [Formula: see text] and [Formula: see text] production at mid-rapidity ([Formula: see text] 0.5) in proton-proton collisions at [Formula: see text][Formula: see text] 7 TeV performed with a large ion collider experiment at the large hadron collider (LHC) is reported. Particle identification is performed using the specific ionisation energy-loss and time-of-flight information, the ring-imaging Cherenkov technique and the kink-topology identification of weak decays of charged kaons. Transverse momentum spectra are measured from 0.1 up to 3 GeV/[Formula: see text] for pions, from 0.2 up to 6 GeV/[Formula: see text] for kaons and from 0.3 up to 6 GeV/[Formula: see text] for protons. The measured spectra and particle ratios are compared with quantum chromodynamics-inspired models, tuned to reproduce also the earlier measurements performed at the LHC. Furthermore, the integrated particle yields and ratios as well as the average transverse momenta are compared with results at lower collision energies.

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