Determination of the b quark mass at the Z mass scale

被引：27

作者：

Abbiendi, G ^{[1
]}

Ainsley, C

Åkesson, PF

Alexander, G

Allison, J

Anagnostou, G

Anderson, KJ

Arcelli, S

Asai, S

Axen, D

Azuelos, G

Bailey, I

Ball, AH

Barberio, E

Barlow, RJ

Batley, RJ

Behnke, T

Bell, KW

Bella, G

Bellerive, A

Bethke, S

Biebel, O

Bloodworth, IJ

Boeriu, O

Bock, P

Böhme, J

Bonacorsi, D

Boutemeur, M

Braibant, S

Brigliadori, L

Brown, RM

Burckhart, HJ

Cammin, J

Carnegie, RK

Caron, B

Carter, AA

Carter, JR

Chang, CY

Charlton, DG

Clarke, PEL

Clay, E

Cohen, I

Couchman, J

Csilling, A

Cuffiani, M

Dado, S

Dallavalle, GM

Dallison, S

De Roeck, A

De Wolf, EA

机构：

[1] Univ Bologna, Dipartimento Fis, I-40126 Bologna, Italy

[2] Ist Nazl Fis Nucl, I-40126 Bologna, Italy

[3] Univ Birmingham, Sch Phys & Astron, Birmingham B15 2TT, W Midlands, England

[4] Univ Bonn, Inst Phys, D-53115 Bonn, Germany

[5] Univ Calif Riverside, Dept Phys, Riverside, CA 92521 USA

[6] Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England

[7] Carleton Univ, Dept Phys, Ottawa Carleton Inst Phys, Ottawa, ON K1S 5B6, Canada

[8] Carleton Univ, Ctr Res Particle Phys, Ottawa, ON K1S 5B6, Canada

[9] CERN, European Org Nucl Res, CH-1211 Geneva 23, Switzerland

[10] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA

[11] Univ Chicago, Dept Phys, Chicago, IL 60637 USA

[12] Univ Freiburg, Fak Phys, D-79104 Freiburg, Germany

[13] Heidelberg Univ, Inst Phys, D-69120 Heidelberg, Germany

[14] Indiana Univ, Dept Phys, Bloomington, IN 47405 USA

[15] Queen Mary Univ London, London E1 4NS, England

[16] Rhein Westfal TH Aachen, Inst Phys 3, D-52056 Aachen, Germany

[17] UCL, London WC1E 6BT, England

[18] Univ Manchester, Schuster Lab, Dept Phys, Manchester M13 9PL, Lancs, England

[19] Univ Maryland, Dept Phys, College Pk, MD 20742 USA

[20] Univ Montreal, Phys Nucl Lab, Montreal, PQ H3C 3J7, Canada

[21] Univ Oregon, Dept Phys, Eugene, OR 97403 USA

[22] Rutherford Appleton Lab, CLRC, Didcot OX11 0QX, Oxon, England

[23] Technion Israel Inst Technol, Dept Phys, IL-32000 Haifa, Israel

[24] Tel Aviv Univ, Dept Phys & Astron, IL-69978 Tel Aviv, Israel

[25] Univ Tokyo, Int Ctr Elementary Particle Phys, Tokyo 1130033, Japan

[26] Univ Tokyo, Dept Phys, Tokyo 1130033, Japan

[27] Kobe Univ, Kobe, Hyogo 6578501, Japan

[28] Weizmann Inst Sci, Particle Phys Dept, IL-76100 Rehovot, Israel

[29] Univ Hamburg, DESY, Inst Expt Phys 2, D-22607 Hamburg, Germany

[30] Univ Victoria, Dept Phys, Victoria, BC V8W 3P6, Canada

[31] Univ British Columbia, Dept Phys, Vancouver, BC V6T 1Z1, Canada

[32] Univ Alberta, Dept Phys, Edmonton, AB T6G 2J1, Canada

[33] Res Inst Particle & Nucl Phys, H-1525 Budapest, Hungary

[34] Inst Nucl Res, H-4001 Debrecen, Hungary

[35] Univ Munich, Sekt Phys, D-85748 Garching, Germany

[36] Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany

[37] Yale Univ, Dept Phys, New Haven, CT 06520 USA

[38] TRIUMF, Vancouver, BC V6T 2A3, Canada

[39] Univ Debrecen, Dept Expt Phys, Debrecen, Hungary

[40] Max Planck Inst, Munich, Germany

[41] Res Inst Particle & Nucl Phys, Budapest, Hungary

[42] Univ Calif Riverside, High Energy Phys Grp, Riverside, CA 92521 USA

[43] CERN, Div EP, CH-1211 Geneva 23, Switzerland

[44] Tel Aviv Univ, Sch Phys & Astron, IL-69978 Tel Aviv, Israel

来源：

EUROPEAN PHYSICAL JOURNAL C | 2001年 / 21卷 / 03期

关键词：

D O I：

10.1007/s100520100746

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

In hadronic decays of Z bosons recorded with the OPAL detector at LEP, events containing b quarks were selected using the long lifetime of b flavoured hadrons. Comparing the 3-jet rate in b events with that in d,u,s and c quark events, a significant difference was observed. Using O(alpha (2)(S)) calculations for massive quarks, this difference was used to determine the b quark mass in the YI-S renormalisation scheme at the scale of the Z boson mass. By combining the results from seven different jet finders the running b quark mass was determined to be (m) over bar (b) (m(Z)) = (2.67 +/-0.03(stat.)(-0.37)(+0.29)(syst.)+/-0.19(theo.)) GeV. Evolving this value to the b quark mass scale itself yields (m) over bar (b)((m) over bar (b)) = (3.95(-0.62)(+0.52))GeV, consistent with results obtained at the b quark production threshold. This determination confirms the QCD expectation of a scale dependent quark mass. A constant mass is ruled out by 3.9 standard deviations.

引用

页码：411 / 422

页数：12

共 49 条

[21] A comparison of b and uds quark jets to gluon jets [J].

Alexander, G ;

Allison, J ;

Altekamp, N ;

Ametewee, K ;

Anderson, KJ ;

Anderson, S ;

Arcelli, S ;

Asai, S ;

Axen, D ;

Azuelos, G ;

Ball, AH ;

Barberio, E ;

Barlow, RJ ;

Bartoldus, R ;

Batley, JR ;

Beaudoin, G ;

Bechtluft, J ;

Beck, A ;

Beck, GA ;

Beeston, C ;

Behnke, T ;

Bell, KW ;

Bella, G ;

Bentvelsen, S ;

Berlich, P ;

Bethke, S ;

Biebel, O ;

Bloodworth, IJ ;

Bock, P ;

Bosch, HM ;

Boutemeur, M ;

Braibant, S ;

BrightThomas, P ;

Brown, RM ;

Burckhart, HJ ;

Burgard, C ;

Burgin, R ;

Capiluppi, P ;

Carnegie, RK ;

Carter, AA ;

Carter, JR ;

Chang, CY ;

Charlesworth, C ;

Charlton, DG ;

Chu, SL ;

Clarke, PEL ;

Clayton, JC ;

Clowes, SG ;

Cohen, I ;

Conboy, JE .

ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS, 1996, 69 (04) :543-560

[22] THE DETECTOR SIMULATION PROGRAM FOR THE OPAL EXPERIMENT AT LEP [J].

ALLISON, J ;

BANKS, J ;

BARLOW, RJ ;

BATLEY, JR ;

BIEBEL, O ;

BRUN, R ;

BUIJS, A ;

BULLOCK, FW ;

CHANG, CY ;

CONBOY, JE ;

CRANFIELD, R ;

DALLAVALLE, GM ;

DITTMAR, M ;

DUMONT, JJ ;

FUKUNAGA, C ;

GARY, JW ;

GASCON, J ;

GEDDES, NI ;

GENSLER, SW ;

GIBSON, V ;

GILLIES, JD ;

HAGEMANN, J ;

HANSROUL, M ;

HARRISON, PF ;

HART, J ;

HATTERSLEY, PM ;

HAUSCHILD, M ;

HEMINGWAY, RJ ;

HEYMANN, FF ;

HOBSON, PR ;

HOCHMAN, D ;

HOSPES, R ;

JONES, RWL ;

KAWAGOE, K ;

KAWAMOTO, T ;

KENNEDY, BW ;

KOPKE, L ;

KOWALEWSKI, R ;

KREUTZMANN, H ;

LAFFERTY, GD ;

LAYTER, JG ;

LELLOUCH, D ;

LLOYD, SL ;

LORAZO, B ;

LOSTY, MJ ;

LUVISETTO, ML ;

MCPHERSON, AC ;

MASHIMO, T ;

MATTIG, P ;

MILDENBERGER, J .

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 1992, 317 (1-2) :47-74

[23] THE OPAL SILICON STRIP MICROVERTEX DETECTOR WITH 2 COORDINATE READOUT [J].

ALLPORT, PP ;

BATLEY, JR ;

BECK, GA ;

CARTER, AA ;

CARTER, JR ;

DEJONG, SJ ;

SILVA, EDE ;

DUBOSCQ, JE ;

DUNWOODY, UC ;

GIBSON, V ;

GLESSING, W ;

GOLDEY, PR ;

GOODRICK, MJ ;

HAMMARSTROM, R ;

HANSON, GG ;

HONMA, AK ;

HUMBERT, R ;

JACOB, F ;

JIMENEZ, M ;

KOETKE, DS ;

KRAL, JF ;

KYBERD, P ;

LAUBER, JA ;

LEROY, C ;

MARTIN, AJ ;

MARTIN, JP ;

MIR, R ;

MOISAN, C ;

PETRY, D ;

PRITCHARD, TW ;

RUNOLFSSON, O ;

RUST, DR ;

SELLER, P ;

SHEARS, TG ;

VOILLAT, D ;

YURKO, M .

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 1994, 346 (03) :476-495

[24] The extended OPAL silicon strip microvertex detector [J].

Anderson, S ;

Batley, JR ;

Beck, GA ;

Behnke, T ;

Bobinski, M ;

Carter, AA ;

Carter, JR ;

de Jong, SJ ;

Dunwoody, UC ;

Gibson, V ;

Glessing, W ;

Goodrick, MJ ;

Gross, E ;

Hammarstrom, R ;

Hanson, GG ;

Hapke, M ;

Honma, AK ;

Jacob, F ;

Jiminez, M ;

Jones, CR ;

Jovanovic, P ;

Junk, T ;

Kyberd, P ;

Lauber, JA ;

Martin, AJ ;

McNab, A ;

Mir, R ;

Muhlemann, K ;

Pritchard, TW ;

Rust, DR ;

Van Kooten, R .

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 1998, 403 (2-3) :326-350

[25] A measurement of the b-quark mass from hadronic Z decays [J].

Barate, R ;

Decamp, D ;

Ghez, P ;

Goy, C ;

Lees, JP ;

Merle, E ;

Minard, MN ;

Pietrzyk, B ;

Bravo, S ;

Casado, MP ;

Chmeissani, M ;

Crespo, JM ;

Fernandez, E ;

Fernandez-Bosman, M ;

Garrido, L ;

Graugés, E ;

Martinez, M ;

Merino, G ;

Miquel, R ;

Mir, LM ;

Pacheco, A ;

Ruiz, H ;

Colaleo, A ;

Creanza, D ;

de Palma, M ;

Iaselli, G ;

Maggi, G ;

Maggi, M ;

Nuzzo, S ;

Ranieri, A ;

Raso, G ;

Ruggieri, F ;

Selvaggi, G ;

Silvestris, L ;

Tempesta, P ;

Tricomi, A ;

Zito, G ;

Huang, X ;

Lin, J ;

Ouyang, Q ;

Wang, T ;

Xie, Y ;

Xu, R ;

Xue, S ;

Zhang, J ;

Zhang, L ;

Zhao, W ;

Abbaneo, D ;

Boix, G ;

Buchmüller, O .

EUROPEAN PHYSICAL JOURNAL C, 2000, 18 (01) :1-13

[26]

BARTEL W, 1986, Z PHYS C PART FIELDS, V33, P23, DOI 10.1007/BF01410449

[27] Next-to-leading order QCD corrections to three-jet cross sections with massive quarks [J].

Bernreuther, W ;

Brandenburg, A ;

Uwer, P .

PHYSICAL REVIEW LETTERS, 1997, 79 (02) :189-192

[28] New jet cluster algorithms: next-to-leading order QCD and hadronization corrections (vol 370, pg 310, 1992) [J].

Bethke, S ;

Kunszt, Z ;

Soper, DE ;

Stirling, WJ .

NUCLEAR PHYSICS B, 1998, 523 (03) :681-681

[29] NEW JET CLUSTER ALGORITHMS - NEXT-TO-LEADING ORDER QCD AND HADRONIZATION CORRECTIONS [J].

BETHKE, S ;

KUNSZT, Z ;

SOPER, DE ;

STIRLING, WJ .

NUCLEAR PHYSICS B, 1992, 370 (02) :310-334

[30] Determination of the QCD coupling αs [J].

Bethke, S .

JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS, 2000, 26 (07) :R27-R66

← 1 2 3 4 5 →