Heavy flavor properties of jets produced in p(p)over-bar interactions at root s=1.8 TeV

Acosta, D. et al. (2004) Heavy flavor properties of jets produced in p(p)over-bar interactions at root s=1.8 TeV. Physical Review D, 69(7), art 072004. (doi:10.1103/PhysRevD.69.072004)

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Publisher's URL: http://dx.doi.org/10.1103/PhysRevD.69.072004

Abstract

We present a detailed examination of the heavy flavor properties of jets produced at the Fermilab Tevatron collider. The data set, collected with the Collider Detector at Fermilab, consists of events with two or more jets with transverse energy E(T)>or equal to15 GeV and pseudorapidity \eta\< or equal to1.5. The heavy flavor content of the data set is enriched by requiring that at least one of the jets (lepton- jet) contains a lepton with a transverse momentum larger than 8 GeV/c. Jets containing hadrons with heavy flavor are selected via the identification of secondary vertices. The parton-level cross sections predicted by the HERWIG Monte Carlo generator program are tuned within theoretical and experimental uncertainties to reproduce the secondary-vertex rates in the data. The tuned simulation provides new information on the origin of the discrepancy between the b (b) over bar cross section measurements at the Tevatron and the next-to-leading order QCD prediction. We also compare the rate of away-jets (jets recoiling against the lepton-jet) containing a soft lepton (p(T)> or equal to 2 GeV/c) in the data to that in the tuned simulation. We find that this rate is larger than what is expected for the conventional production and semileptonic decay of pairs of hadrons with heavy flavor.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:D'Auria, Dr Saverio and Bell, Dr William
Authors: Acosta, D., Ambrose, D., Anikeev, K., Antos, J., Apollinari, G., Arisawa, T., Artikov, A., Azfar, F., Azzi-Bacchetta, P., Bacchetta, N., Barnes, V.E., Barnett, B.A., Barone, M., Bauer, G., Bedeschi, F., Behari, S., Belforte, S., Bell, W.H., Bellettini, G., Bellinger, J., Beretvas, A., Bhatti, A., Bisello, D., Blocker, C., Blumenfeld, B., Bocci, A., Bolla, G., Bolshov, A., Bortoletto, D., Budagov, J., Budd, H.S., Burkett, K., Busetto, G., Cabrera, S., Carithers, W., Carlsmith, D., Carosi, R., Castro, A., Cauz, D., Cerri, A., Chen, C., Chen, Y.C., Chiarelli, G., Chlachidze, G., Chu, M.L., Chung, W.H., Chung, Y.S., Clark, A.G., Coca, M., Convery, M., Cordelli, M., Cranshaw, J., Dagenhart, D., D'Auria, S., Dell'Agnello, S., de Barbaro, P., De Cecco, S., Dell'Orso, M., Demortier, L., Deninno, M., De Pedis, D., Dionisi, C., Donati, S., D'Onofrio, M., Dorigo, T., Eusebi, R., Farrington, S., Fernandez, J.P., Field, R.D., Fiori, I., Foland, A., Flores-Castillo, L.R., Franklin, M., Friedman, J., Furic, I., Gallinaro, M., Garfinkel, A.F., Gerstein, E., Giagu, S., Giannetti, P., Giolo, K., Giordani, M., Giromini, P., Glagolev, V., Gomez, G., Gorelov, I., Goshaw, A.T., Goulianos, K., Gresele, A., Guenther, M., da Costa, J.G., Halkiadakis, E., Hall, C., Handler, R., Happacher, F., Hara, K., Hartmann, F., Hatakeyama, K., Hauser, J., Heinrich, J., Hennecke, M., Herndon, M., Hocker, A., Hou, S., Huffman, B.T., Introzzi, G., Iori, M., Ivanov, A., Iwata, Y., Iyutin, B., Jones, M., Unel, M.K., Karr, K., Kato, Y., Kilminster, B., Kim, D.H., Kim, M.J., Kim, S.B., Kim, S.H., Kim, T.H., Kirby, M., Kirsch, L., Klimenko, S., Kondo, K., Konigsberg, J., Korn, A., Korytov, A., Kotelnikov, K., Kroll, J., Kruse, M., Laasanen, A.T., Lami, S., Lammel, S., Lancaster, J., Latino, G., Le, Y., Lee, J., Leonardo, N., Leone, S., Lindgren, M., Lockyer, N.S., Loginov, A., Loreti, M., Lucchesi, D., Lusin, S., Lyons, L., Madrak, R., Maksimovic, P., Malferrari, L., Mariotti, M., Martin, M., Martin, V., Martinez, M., Mazzanti, P., Menguzzato, M., Menzione, A., Mesropian, C., Meyer, A., Miscetti, S., Mitselmakher, G., Miyazaki, Y., Moggi, N., Mulhearn, M., Muller, T., Munar, A., Murat, P., Nakano, I., Napora, R., Oh, S.H., Oh, Y.D., Ohsugi, T., Okusawa, T., Pagliarone, C., Palmonari, F., Paoletti, R., Papadimitriou, V., Parri, A., Pauletta, G., Pauly, T., Paus, C., Penzo, A., Phillips, T.J., Piacentino, G., Piedra, J., Pitts, K.T., Pompos, A., Pondrom, L., Pratt, T., Prokoshin, F., Ptohos, F., Poukhov, O., Punzi, G., Rademacker, J., Rakitine, A., Ray, H., Reichold, A., Renton, P., Rescigno, M., Rimondi, F., Ristori, L., Robertson, W.J., Rodrigo, T., Rolli, S., Rosenson, L., Rossin, R., Rott, C., Roy, A., Ruiz, A., Ryan, D., Safonov, A., Sakumoto, W.K., Saltzberg, D., Santi, L., Sarkar, S., Savoy-Navarro, A., Schlabach, P., Schmitt, M., Scodellaro, L., Scribano, A., Sedov, A., Seidel, S., Seiya, Y., Semenov, A., Semeria, F., Shibayama, T., Shimojima, M., Sidoti, A., Sill, A., Sliwa, K., Snihur, R., Spezziga, M., Spinella, F., Spiropulu, M., St Denis, R., Stefanini, A., Sukhanov, A., Sumorok, K., Suzuki, T., Takashima, R., Takikawa, K., Teng, P.K., Terashi, K., Tether, S., Thompson, A.S., Tonelli, D., Tseng, J., Tsybychev, D., Turini, N., Ukegawa, F., Unverhau, T., Vataga, E., Velev, G., Vila, I., Vilar, R., and der Mey, M.
Subjects:Q Science > QC Physics
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:Physical Review D
Publisher:American Physical Society
ISSN:1550-7998
ISSN (Online):1089-4918

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