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Measurements of D0 and D * production in p+p collisions at √s=200GeV

Publication ,  Journal Article
Adamczyk, L; Agakishiev, G; Aggarwal, MM; Ahammed, Z; Alakhverdyants, AV; Alekseev, I; Alford, J; Anderson, BD; Anson, CD; Arkhipkin, D; Cui, X ...
Published in: Physical Review D - Particles, Fields, Gravitation and Cosmology
October 31, 2012

We report measurements of charmed-hadron (D0,D *) production cross sections at midrapidity in p+p collisions at a center-of-mass energy of 200 GeV by the STAR experiment. Charmed hadrons were reconstructed via the hadronic decays D0→K -π +, D *+→D0π +→K -π +π + and their charge conjugates, covering the p T range of 0.6-2.0 and 2.0-6.0GeV/c for D0 and D *+, respectively. From this analysis, the charm-pair production cross section at midrapidity is dσ/dy|y=0cc̄= 170±45(stat)-59+38(sys)μb. The extracted charm-pair cross section is compared to perturbative QCD calculations. The transverse momentum differential cross section is found to be consistent with the upper bound of a fixed-order next-to-leading logarithm calculation. © 2012 American Physical Society.

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Published In

Physical Review D - Particles, Fields, Gravitation and Cosmology

DOI

EISSN

1550-2368

ISSN

1550-7998

Publication Date

October 31, 2012

Volume

86

Issue

7

Related Subject Headings

  • Nuclear & Particles Physics
  • 5107 Particle and high energy physics
  • 5101 Astronomical sciences
  • 4902 Mathematical physics
  • 0206 Quantum Physics
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
  • 0201 Astronomical and Space Sciences
 

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Adamczyk, L., Agakishiev, G., Aggarwal, M. M., Ahammed, Z., Alakhverdyants, A. V., Alekseev, I., … Hamed, A. (2012). Measurements of D0 and D * production in p+p collisions at √s=200GeV. Physical Review D - Particles, Fields, Gravitation and Cosmology, 86(7). https://doi.org/10.1103/PhysRevD.86.072013
Adamczyk, L., G. Agakishiev, M. M. Aggarwal, Z. Ahammed, A. V. Alakhverdyants, I. Alekseev, J. Alford, et al. “Measurements of D0 and D * production in p+p collisions at √s=200GeV.” Physical Review D - Particles, Fields, Gravitation and Cosmology 86, no. 7 (October 31, 2012). https://doi.org/10.1103/PhysRevD.86.072013.
Adamczyk L, Agakishiev G, Aggarwal MM, Ahammed Z, Alakhverdyants AV, Alekseev I, et al. Measurements of D0 and D * production in p+p collisions at √s=200GeV. Physical Review D - Particles, Fields, Gravitation and Cosmology. 2012 Oct 31;86(7).
Adamczyk, L., et al. “Measurements of D0 and D * production in p+p collisions at √s=200GeV.” Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 86, no. 7, Oct. 2012. Scopus, doi:10.1103/PhysRevD.86.072013.
Adamczyk L, Agakishiev G, Aggarwal MM, Ahammed Z, Alakhverdyants AV, Alekseev I, Alford J, Anderson BD, Anson CD, Arkhipkin D, Aschenauer E, Averichev GS, Balewski J, Banerjee A, Barnovska Z, Beavis DR, Bellwied R, Betancourt MJ, Betts RR, Bhasin A, Bhati AK, Bichsel H, Bielcik J, Bielcikova J, Bland LC, Bordyuzhin IG, Borowski W, Bouchet J, Brandin AV, Brovko SG, Bruna E, Bueltmann S, Bunzarov I, Burton TP, Butterworth J, Cai XZ, Caines H, Calderón De La Barca Sánchez M, Cebra D, Cendejas R, Cervantes MC, Chaloupka P, Chattopadhyay S, Chen HF, Chen JH, Chen JY, Chen L, Cheng J, Cherney M, Chikanian A, Christie W, Chung P, Chwastowski J, Codrington MJM, Corliss R, Cramer JG, Crawford HJ, Cui X, Davila Leyva A, De Silva LC, Debbe RR, Dedovich TG, Deng J, Derradi De Souza R, Dhamija S, Didenko L, Ding F, Dion A, Djawotho P, Dong X, Drachenberg JL, Draper JE, Du CM, Dunkelberger LE, Dunlop JC, Efimov LG, Elnimr M, Engelage J, Eppley G, Eun L, Evdokimov O, Fatemi R, Fazio S, Fedorisin J, Fersch RG, Filip P, Finch E, Fisyak Y, Gagliardi CA, Gangadharan DR, Geurts F, Gliske S, Gorbunov YN, Grebenyuk OG, Grosnick D, Gupta S, Guryn W, Haag B, Hajkova O, Hamed A. Measurements of D0 and D * production in p+p collisions at √s=200GeV. Physical Review D - Particles, Fields, Gravitation and Cosmology. 2012 Oct 31;86(7).

Published In

Physical Review D - Particles, Fields, Gravitation and Cosmology

DOI

EISSN

1550-2368

ISSN

1550-7998

Publication Date

October 31, 2012

Volume

86

Issue

7

Related Subject Headings

  • Nuclear & Particles Physics
  • 5107 Particle and high energy physics
  • 5101 Astronomical sciences
  • 4902 Mathematical physics
  • 0206 Quantum Physics
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
  • 0201 Astronomical and Space Sciences