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Hocker, A. Ivanov, A.J. Slaughter, A. Korytov, A. Lath, A. Lister, A. Loginov, A. Manousakis-Katsikakis, A. Martin, A. Mehta, A. Menzione, A. Mitra, A. Mukherjee, A. Napier, A. Papaikonomou, A. Penzo, A. Pronko, A. Rahaman, A. Robson, A. Ruiz, A. Safonov, A. Savoy-Navarro, A. Schmidt, A. Scribano, A. Sedov, A. Semenov, A. Sfyrla, A. Simonenko, A. Sisakyan, A. Soha, A. Sukhanov, A. Taffard, A.T. Goshaw, A.T. Laasanen, A. Varganov, A.V. Kotwal, A. Warburton, A. Yagil, A. Zanetti, B.A. Barnett, B. Alvarez Gonzalez, B. Blumenfeld, B. Brau, B. Carls, B. Casal, B. Di Ruzza, B. Jayatilaka, B. Kilminster, B.L. Winer, B. Parks, B. Rutherford, B. Stelzer, B. Whitehouse, B.-Y. Han, C.A. Cox, C. Blocker, C. Bromberg, C. Calancha, C. Cuenca Almenar, C. Deluca, C. Ferrazza, C. Grosso-Pilcher, C. Haber, C. Hays, C.I. Ciobanu, C.-J. Lin, C. Liu, C. Marino, C. Mesropian, C.M. Ginsburg, C. Mills, C. Neu, C. Pagliarone, C. Paus, C. Plager, C.P. Marino, C.S. Hill, C.S. Moon, C. Vellidis, C. Wolfe, D. Amidei, D. Beecher, D. Benjamin, D. Berge, D. Bisello, D. Bortoletto, D. Carlsmith, D. Cauz, D. Chokheli, D. Clark, D. Dagenhart, D.E. Pellett, D. Errede, D. Gerdes, D. Glenzinski, D. Hare, D. Hidas, D. Hirschbuehl, D.H. Kim, D. Jang, D.J. Cox, D.J. Kong, D. Kar, D. Krop, D. Lucchesi, D. MacQueen, D. Mietlicki, D.O. Litvintsev, D. Stentz, D. Toback, D. Tonelli, D. Torretta, D. Waters, D. Whiteson, E. Brubaker, E.E. Schmidt, E. Halkiadakis, E. James, E.J. Jeon, E. Lee, E. Lipeles, E. Nurse, E. Palencia, E. Pianori, E. Pueschel, E. Rogers, E. Thomson, E. Vataga, E. Wicklund, F. Azfar, F. Bedeschi, F. Canelli, F. Chlebana, F. Crescioli, F.D. Snider, F. Garberson, F. Happacher, F. Margaroli, F. Prokoshin, F. Ptohos, F. Rimondi, F. Scuri, F. Sforza, F. Ukegawa, F. V\\'azquez, F. W\\\"urthwein, G. Apollinari, G.A. Thompson, G. Bauer, G. Bellettini, G. Busetto, G.B. Yu, G. Chiarelli, G. Chlachidze, G. Compostella, G. De Lorenzo, G. Flanagans, G. Giurgiu, G. Gomez, G. Gomez-Ceballos, G. Introzzi, G. Latino, G.L. Strycker, G. Lungu, G. Manca, G. Mitselmakher, G. Pauletta, G.P. di Giovanni, G. Piacentino, G. Punzi, G.P. Yeh, G. Velev, G. Volpi, G. Williams, H.C. Fang, H. Gerberich, H.H. Williams, H. Miyake, H. Saarikko, H.S. Budd, H.S. Kim, H.S. Lee, H.W. Kim, H. Wolfe, I. Bizjak, I. Furic, I. Gorelov, I. Lazzizzera, I. Oksuzian, I. Redondo, I. Shreyber, I. Suslov, I. Vila, I. Volobouev, I. Yu, J. Adelman, J. Antos, J. Asaadi, J. Bellinger, J. Boudreau, J. Budagov, J.C. Cully, J.C. Freeman, J. Conway, J. Cuevas, J.C. Yun, J. Deng, J.D. Lewis, J.E. Garcia, J.E. Jung, J.E. Kim, J. Galyardt, J. Guimaraes da Costa, J. Heinrich, J. Heuser, J. Huston, J. Incandela, J. Keung, J. Konigsberg, J. Kroll, J.L. Gimmell, J. Linacre, J. Lueck, J. Lys, J. Morlock, J. Mulmenstadt, J. Nachtman, J. Naganoma, J. Nett, J. Nielseng, J. Patrick, J.P. Chou, J.P. Fernandez, J. Pursley, J. Rademacker, J.R. Dittmann, J.R. Smith, J. Russ, J. Slaunwhite, J.S. Lee, J.S. Suh, J. Strologas, J. Tang, J. Thom, J. Thome, J. Wagner-Kuhr, J. Weinelt, J. Yamaoka, J.Y. Han, J. Yoh, K. Burkett, K. Cho, K. Chungo, K. Ebina, K. Gibson, K. Goulianos, K. Hara, K. Hatakeyama, K.K. Joo, K. Kondo, K. Lannon, K. L. Byrum, K. Maeshima, K. Makhoul, K. Nakamura, K. Osterberg, K. Pitts, K. Potamianos, K. Sato, K. Sliwa, K.S. McFarland, K. Tollefson, K. Yamamoto, K. Yio, K. Yorita, L. Brigliadori, L. Cerrito, L. Demortier, L. Kirsch, L. Lovas, L. Nodulman, L. Oakes, L. Pinera, L. Pondrom, L. Ristori, L. Santi, L. Sartori, L. Scodellaro, L. Sexton-Kennedy, M.A. Ciocci, M.A. Schmidt, M. Binkley, M. Campanelli, M. Campbell, M. Casarsa, M. Cavalli-Sforza, M. Chertok, M.Corbo, M. Cordelli, M. Datta, M. Dell'Orso, M. Deninno, M. d'Errico, M. D'Onofrio, M.E. Convery, M.E. Mattson, M. Feindt, M. Franklin, M. Gallinaro, M. Giordani, M. Giunta, M. Gold, M. Goncharov, M.G. Wilson, M. Hare, M. Hartz, M. Heck, M. Herndon, M. Hickman, M. Houlden, M. Hurwitz, M. Hussein, M. Iori, M.J. Frank, M.J. Kim, M.J. Morello, M. Jones, M.K. Jha, M. Kreps, M. Kruse, M. Kurata, M. Lancaster, M. Lindgren, M. Martinez, M. Mathis, M. Milnik, M. Mussini, M.N. Mondragon, M. Norman, M. Paulini, M.P. Schmidt, M. Renz, M. Rescigno, M. Rossi, M. Schmitt, M. Shimojima, M. Shochet, M.S. Neubauer, M. Stanitzki, M. Tecchio, M. Trovato, M. Vidal, M. Vogel, M. Weinberger, Nakano, N. Ershaidat, N. Giokaris, N. Goldschmidt, N. Kimura, N. Krumnack, N. Miladinovic, N. Moggi, N.P. Kulkarni, N. Ranjan, N.S. Lockyer, N. Turiniff, N. van Remortel, O. Gonz\\'alez, O. Norniella, O. Poukhov, O. Stelzer-Chilton, P. Barria, P. Bartos, P. Bussey, P. Catastini, P. de Barbaro, P. Dong, P.E. Karchin, P.F. Shepard, P. Garosi, P. Giannetti, P. Giromini, P.-H. Beauchemin, P.K. Teng, P. Lujan, P. Lukens, P. Maksimovic, P. Mastrandrea, P. Mazzanti, P. McIntyre, P. Mehtala, P. Movilla Fernandez, P. Murat, P. Renton, P. Roy, P. Schlabach, P. Sinervo, P. Squillacioti, P. Tipton, P. Totaro, P. Ttito-Guzm\\'an, P. Wagner, P. Wilson, P. Wittich, R. Carosi, R.C. Group, R. Culbertson, R.E. Blair, R.E. Hughes, R. Erbacher, R. Eusebi, R.F. Harr, R. Field, R. Forrest, R.G. Feild, R.G. Wagner, R. Kephart, R.L. Lander, R.L. Wagner, R. Lysak, R. Madrak, R. Martinez-Ballarin, R. McNulty, R. Miller, R. Moore, R. Orava, R. Roser, R. Rossin, R. Snihur, R. St. Denis, R. Takashima, R. Tanaka, R. Vilar, R. Wallny, S. Amerio, S. Behari, S.B. Kim, S. Budd, S. Cabrera, S. Camarda, S. Carrillon, S. Carron, S.-C. Hsu, S. De Cecco, S. Donati, S. Dube, S. Errede, S. Farrington, S. Giagu, S. Grinstein, S.H. Chang, S. Hewamanage, S.H. Kim, S.H. Oh, S. Hou, S. Jindariani, S. Klimenko, S. Kwang, S. Lami, S. Lammel, S. Leone, S. Malde, S. Malik, S. Moed, S.M. Wang, S. Neubauer, S. Pagan Griso, S. Pashapour, S.R. Hahn, S. Richter, S. Rolli, S. Seidel, S. Shiraishi, S. Somalwar, S.S. Yu, S. Tkaczyk, S. Tokar, S. Torre, S. Tourneur, S. Uozumi, S. Wilbur, S.W. Lee, S. Wolbers, S.Y. Jun, S.-Y. Tsai, S.Z. Shalhout, S. Zucchelli, T. Arisawa, T. Chwalek, T. Davies, T. Dorigo, The CDF Collaboration: T. Aaltonen, Th. Muller, T.J. Phillips, T. Kamon, T. Kuhr, T. LeCompte, T. Liu, T. Miao, T. Okusawa, T. Peiffer, T.R. Junk, T. Rodrigo, T. Rodriguez, T. Schwarz, T. Shears, T. Tomura, T. Wakisaka, T. Wright, T. Yoshidal, U. Grundler, U. Husemann, U.K. Yang, V. Boisvert, V. Cavaliere, V.E. Barnes, V. Giakoumopoulou, V. Glagolev, V. Khotilovich, V. Krutelyov, V. Martink, V. Papadimitriou, V. Ramakrishnan, V. Rusu, V. Sorin, W. Ashmanskas, W. Badgett, W.C. Wester III, W.H. Chung, W. Johnson, W. Ketchum, W.K. Sakumoto, W.M. Yao, W.T. Fedorko, W. Wagner, X. Wu, X. Zhang, Y.C. Chen, Y.C. Yang, Y.D. Oh, Y. Kato, Y.K. Kim, Y. Nagai, Y.S. Chung, Y. Seiya, Y. Shon, Y. Takeuchi, Y. Tu, Y. Zeng, Y. Zheng, Z. Gunay-Unalan","submitted_at":"2010-03-16T13:43:12Z","abstract_excerpt":"We study the underlying event in proton-antiproton collisions by examining the behavior of charged particles (transverse momentum pT > 0.5 GeV/c, pseudorapidity |\\eta| < 1) produced in association with large transverse momentum jets (~2.2 fb-1) or with Drell-Yan lepton-pairs (~2.7 fb-1) in the Z-boson mass region (70 < M(pair) < 110 GeV/c2) as measured by CDF at 1.96 TeV center-of-mass energy.   We use the direction of the lepton-pair (in Drell-Yan production) or the leading jet (in high-pT jet production) in each event to define three regions of \\eta-\\phi space; toward, away, and transverse, "},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1003.3146","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2010-03-16T13:43:12Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"b1e88016807682af4feb9df478a56edce2576f9fe82952fa23342c925fd0ddef","abstract_canon_sha256":"cb46ed5c0cb1c48378871d6b85a3c1a876a41625874b44fdd5eb485f47b4be9d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:57:37.470383Z","signature_b64":"BMmj2E9DJnXt1GqGgq0lze14SDT7R5YzfgPMEAMv+S4TyuTQVpQEZYSP318JfjLPaaKySV9Br/b8InqNtsLJCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"abfee7de5badea733d1a13109d7c6e5ddad2f3c6c58130f4ff26d36baa5136d1","last_reissued_at":"2026-05-18T03:57:37.469708Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:57:37.469708Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Studying the Underlying Event in Drell-Yan and High Transverse Momentum Jet Production at the Tevatron","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"hep-ex","authors_text":"A. Anastassov, A. Annovi, A.A. Paramanov, A. Apresyan, A. Artikov, A. Attal, A. Aurisano, A. Barbaro-Galtieri, A. Beretvas, A. Bhatti, A. Bocci, A. Bodek, A. Boveia, A. Bridgeman, A. Buzatu, A.B. Wicklund, A. Canepa, A. Castrocc, A. Cerri, A. Clark, A. Deisher, A. Di Canto, A. Elagin, A.F. Garfinkel, A. Gessler, A. Golossanov, A. Gresele, A. Hocker, A. Ivanov, A.J. Slaughter, A. Korytov, A. Lath, A. Lister, A. Loginov, A. Manousakis-Katsikakis, A. Martin, A. Mehta, A. Menzione, A. Mitra, A. Mukherjee, A. Napier, A. Papaikonomou, A. Penzo, A. Pronko, A. Rahaman, A. Robson, A. Ruiz, A. Safonov, A. Savoy-Navarro, A. Schmidt, A. Scribano, A. Sedov, A. Semenov, A. Sfyrla, A. Simonenko, A. Sisakyan, A. Soha, A. Sukhanov, A. Taffard, A.T. Goshaw, A.T. Laasanen, A. Varganov, A.V. Kotwal, A. Warburton, A. Yagil, A. Zanetti, B.A. Barnett, B. Alvarez Gonzalez, B. Blumenfeld, B. Brau, B. Carls, B. Casal, B. Di Ruzza, B. Jayatilaka, B. Kilminster, B.L. Winer, B. Parks, B. Rutherford, B. Stelzer, B. Whitehouse, B.-Y. Han, C.A. Cox, C. Blocker, C. Bromberg, C. Calancha, C. Cuenca Almenar, C. Deluca, C. Ferrazza, C. Grosso-Pilcher, C. Haber, C. Hays, C.I. Ciobanu, C.-J. Lin, C. Liu, C. Marino, C. Mesropian, C.M. Ginsburg, C. Mills, C. Neu, C. Pagliarone, C. Paus, C. Plager, C.P. Marino, C.S. Hill, C.S. Moon, C. Vellidis, C. Wolfe, D. Amidei, D. Beecher, D. Benjamin, D. Berge, D. Bisello, D. Bortoletto, D. Carlsmith, D. Cauz, D. Chokheli, D. Clark, D. Dagenhart, D.E. Pellett, D. Errede, D. Gerdes, D. Glenzinski, D. Hare, D. Hidas, D. Hirschbuehl, D.H. Kim, D. Jang, D.J. Cox, D.J. Kong, D. Kar, D. Krop, D. Lucchesi, D. MacQueen, D. Mietlicki, D.O. Litvintsev, D. Stentz, D. Toback, D. Tonelli, D. Torretta, D. Waters, D. Whiteson, E. Brubaker, E.E. Schmidt, E. Halkiadakis, E. James, E.J. Jeon, E. Lee, E. Lipeles, E. Nurse, E. Palencia, E. Pianori, E. Pueschel, E. Rogers, E. Thomson, E. Vataga, E. Wicklund, F. Azfar, F. Bedeschi, F. Canelli, F. Chlebana, F. Crescioli, F.D. Snider, F. Garberson, F. Happacher, F. Margaroli, F. Prokoshin, F. Ptohos, F. Rimondi, F. Scuri, F. Sforza, F. Ukegawa, F. V\\'azquez, F. W\\\"urthwein, G. Apollinari, G.A. Thompson, G. Bauer, G. Bellettini, G. Busetto, G.B. Yu, G. Chiarelli, G. Chlachidze, G. Compostella, G. De Lorenzo, G. Flanagans, G. Giurgiu, G. Gomez, G. Gomez-Ceballos, G. Introzzi, G. Latino, G.L. Strycker, G. Lungu, G. Manca, G. Mitselmakher, G. Pauletta, G.P. di Giovanni, G. Piacentino, G. Punzi, G.P. Yeh, G. Velev, G. Volpi, G. Williams, H.C. Fang, H. Gerberich, H.H. Williams, H. Miyake, H. Saarikko, H.S. Budd, H.S. Kim, H.S. Lee, H.W. Kim, H. Wolfe, I. Bizjak, I. Furic, I. Gorelov, I. Lazzizzera, I. Oksuzian, I. Redondo, I. Shreyber, I. Suslov, I. Vila, I. Volobouev, I. Yu, J. Adelman, J. Antos, J. Asaadi, J. Bellinger, J. Boudreau, J. Budagov, J.C. Cully, J.C. Freeman, J. Conway, J. Cuevas, J.C. Yun, J. Deng, J.D. Lewis, J.E. Garcia, J.E. Jung, J.E. Kim, J. Galyardt, J. Guimaraes da Costa, J. Heinrich, J. Heuser, J. Huston, J. Incandela, J. Keung, J. Konigsberg, J. Kroll, J.L. Gimmell, J. Linacre, J. Lueck, J. Lys, J. Morlock, J. Mulmenstadt, J. Nachtman, J. Naganoma, J. Nett, J. Nielseng, J. Patrick, J.P. Chou, J.P. Fernandez, J. Pursley, J. Rademacker, J.R. Dittmann, J.R. Smith, J. Russ, J. Slaunwhite, J.S. Lee, J.S. Suh, J. Strologas, J. Tang, J. Thom, J. Thome, J. Wagner-Kuhr, J. Weinelt, J. Yamaoka, J.Y. Han, J. Yoh, K. Burkett, K. Cho, K. Chungo, K. Ebina, K. Gibson, K. Goulianos, K. Hara, K. Hatakeyama, K.K. Joo, K. Kondo, K. Lannon, K. L. Byrum, K. Maeshima, K. Makhoul, K. Nakamura, K. Osterberg, K. Pitts, K. Potamianos, K. Sato, K. Sliwa, K.S. McFarland, K. Tollefson, K. Yamamoto, K. Yio, K. Yorita, L. Brigliadori, L. Cerrito, L. Demortier, L. Kirsch, L. Lovas, L. Nodulman, L. Oakes, L. Pinera, L. Pondrom, L. Ristori, L. Santi, L. Sartori, L. Scodellaro, L. Sexton-Kennedy, M.A. Ciocci, M.A. Schmidt, M. Binkley, M. Campanelli, M. Campbell, M. Casarsa, M. Cavalli-Sforza, M. Chertok, M.Corbo, M. Cordelli, M. Datta, M. Dell'Orso, M. Deninno, M. d'Errico, M. D'Onofrio, M.E. Convery, M.E. Mattson, M. Feindt, M. Franklin, M. Gallinaro, M. Giordani, M. Giunta, M. Gold, M. Goncharov, M.G. Wilson, M. Hare, M. Hartz, M. Heck, M. Herndon, M. Hickman, M. Houlden, M. Hurwitz, M. Hussein, M. Iori, M.J. Frank, M.J. Kim, M.J. Morello, M. Jones, M.K. Jha, M. Kreps, M. Kruse, M. Kurata, M. Lancaster, M. Lindgren, M. Martinez, M. Mathis, M. Milnik, M. Mussini, M.N. Mondragon, M. Norman, M. Paulini, M.P. Schmidt, M. Renz, M. Rescigno, M. Rossi, M. Schmitt, M. Shimojima, M. Shochet, M.S. Neubauer, M. Stanitzki, M. Tecchio, M. Trovato, M. Vidal, M. Vogel, M. Weinberger, Nakano, N. Ershaidat, N. Giokaris, N. Goldschmidt, N. Kimura, N. Krumnack, N. Miladinovic, N. Moggi, N.P. Kulkarni, N. Ranjan, N.S. Lockyer, N. Turiniff, N. van Remortel, O. Gonz\\'alez, O. Norniella, O. Poukhov, O. Stelzer-Chilton, P. Barria, P. Bartos, P. Bussey, P. Catastini, P. de Barbaro, P. Dong, P.E. Karchin, P.F. Shepard, P. Garosi, P. Giannetti, P. Giromini, P.-H. Beauchemin, P.K. Teng, P. Lujan, P. Lukens, P. Maksimovic, P. Mastrandrea, P. Mazzanti, P. McIntyre, P. Mehtala, P. Movilla Fernandez, P. Murat, P. Renton, P. Roy, P. Schlabach, P. Sinervo, P. Squillacioti, P. Tipton, P. Totaro, P. Ttito-Guzm\\'an, P. Wagner, P. Wilson, P. Wittich, R. Carosi, R.C. Group, R. Culbertson, R.E. Blair, R.E. Hughes, R. Erbacher, R. Eusebi, R.F. Harr, R. Field, R. Forrest, R.G. Feild, R.G. Wagner, R. Kephart, R.L. Lander, R.L. Wagner, R. Lysak, R. Madrak, R. Martinez-Ballarin, R. McNulty, R. Miller, R. Moore, R. Orava, R. Roser, R. Rossin, R. Snihur, R. St. Denis, R. Takashima, R. Tanaka, R. Vilar, R. Wallny, S. Amerio, S. Behari, S.B. Kim, S. Budd, S. Cabrera, S. Camarda, S. Carrillon, S. Carron, S.-C. Hsu, S. De Cecco, S. Donati, S. Dube, S. Errede, S. Farrington, S. Giagu, S. Grinstein, S.H. Chang, S. Hewamanage, S.H. Kim, S.H. Oh, S. Hou, S. Jindariani, S. Klimenko, S. Kwang, S. Lami, S. Lammel, S. Leone, S. Malde, S. Malik, S. Moed, S.M. Wang, S. Neubauer, S. Pagan Griso, S. Pashapour, S.R. Hahn, S. Richter, S. Rolli, S. Seidel, S. Shiraishi, S. Somalwar, S.S. Yu, S. Tkaczyk, S. Tokar, S. Torre, S. Tourneur, S. Uozumi, S. Wilbur, S.W. Lee, S. Wolbers, S.Y. Jun, S.-Y. Tsai, S.Z. Shalhout, S. Zucchelli, T. Arisawa, T. Chwalek, T. Davies, T. Dorigo, The CDF Collaboration: T. Aaltonen, Th. Muller, T.J. Phillips, T. Kamon, T. Kuhr, T. LeCompte, T. Liu, T. Miao, T. Okusawa, T. Peiffer, T.R. Junk, T. Rodrigo, T. Rodriguez, T. Schwarz, T. Shears, T. Tomura, T. Wakisaka, T. Wright, T. Yoshidal, U. Grundler, U. Husemann, U.K. Yang, V. Boisvert, V. Cavaliere, V.E. Barnes, V. Giakoumopoulou, V. Glagolev, V. Khotilovich, V. Krutelyov, V. Martink, V. Papadimitriou, V. Ramakrishnan, V. Rusu, V. Sorin, W. Ashmanskas, W. Badgett, W.C. Wester III, W.H. Chung, W. Johnson, W. Ketchum, W.K. Sakumoto, W.M. Yao, W.T. Fedorko, W. Wagner, X. Wu, X. Zhang, Y.C. Chen, Y.C. Yang, Y.D. Oh, Y. Kato, Y.K. Kim, Y. Nagai, Y.S. Chung, Y. Seiya, Y. Shon, Y. Takeuchi, Y. Tu, Y. Zeng, Y. Zheng, Z. Gunay-Unalan","submitted_at":"2010-03-16T13:43:12Z","abstract_excerpt":"We study the underlying event in proton-antiproton collisions by examining the behavior of charged particles (transverse momentum pT > 0.5 GeV/c, pseudorapidity |\\eta| < 1) produced in association with large transverse momentum jets (~2.2 fb-1) or with Drell-Yan lepton-pairs (~2.7 fb-1) in the Z-boson mass region (70 < M(pair) < 110 GeV/c2) as measured by CDF at 1.96 TeV center-of-mass energy.   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