W and Z physics at the Fermilab Tevatron
Texte intégral
(2) . .
(3)
(4)
(5) .
(6)
(7) .
(8)
(9)
(10)
(11)
(12)
(13) . .
(14) . .
(15)
(16)
(17) .
(18)
(19) . .
(20)
(21)
(22)
(23)
(24) !"#$ %& " " %
(25)
(26)
(27)
(28)
(29) ".
(30) . "
(31)
(32)
(33) 2
(34)
(35) ,
(36)
(37)
(38) ,
(39) " 5
(40)
(41)
(42)
(43)
(44)
(45) - 6.
(46)
(47)
(48)
(49)
(50)
(51) - ! !7 8." 9 0
(52)
(53)
(54) - !.
(55) " , 2
(56)
(57)
(58)
(59)
(60) "
(61)
(62)
(63)
(64)
(65) )
(66)
(67) )
(68) $ !
(69)
(70) )
(71)
(72) : " ,
(73) ; 2
(74)
(75)
(76)
(77) " 5
(78)
(79) 0 "
(80)
(81) " %
(82)
(83)
(84) )
(85)
(86)
(87)
(88) ". %
(89) ' (
(90) % " %
(91)
(92) )
(93)
(94)
(95)
(96)
(97) * )
(98)
(99) " %
(100)
(101)
(102) + , -+,. ) +,
(103) " /
(104)
(105)
(106) 0 Æ
(107) 1 ' ( 2
(108)
(109) " %
(110)
(111)
(112) 3 -. ' (".
(113) 2
(114)
(115) - ,.
(116)
(117) " %
(118)
(119) 4
(120)
(121)
(122) 0
(123) ,
(124)
(125) .
(126)
(127) 0 " %
(128)
(129)
(130) , . . . . . . . !. .
(131)
(132)
(133) . .
(134) D 3 " %
(135) (
(136)
(137)
(138) 2
(139)
(140)
(141)
(142)
(143) " G
(144) 0 0
(145)
(146)
(147) " % 2 :
(148)
(149)
(150) : ) H
(151)
(152) " % !7 0 ) @ 0 -
(153) . 0 " 9 F
(154)
(155) !
(156)
(157) ".
(158)
(159)
(160) . %
(161) (
(162)
(163)
(164) "87 <!= "8 <=
(165) " ,
(166) !"
(167)
(168)
(169) > " % Æ
(170)
(171) $ !8 ?& @"6# ! " %
(172) AB
(173) <8= ,C+%@ AB
(174) % /$"!, AB D 3 " !
(175) (
(176)
(177)
(178)
(179)
(180) <8=" % %
(181)
(182)
(183)
(184) " "@ <@= ) %
(185) AB
(186)
(187) C"<7= ,C+% @ AB D <$=" %
(188)
(189) CDF and DØ RunII Preliminary " . . . . . 350. NNLO MRST2004 -1. DØ, 0.4 fb 1/ σ dσ/dy. p p → Z+X → ll+X. σZ × Br (pb). 300. 250. D∅ Run II Data NNLO, MRST ’04. 0.2. 200 RunII. 150 RunI. 100 1.7. Z/ γ* Rapidity. 0.3. 1.75. 1.8. 1.85. 1.9. DØ(e). DØ( µ ). DØ(τ). CDF(µ). CDF(e). CDF(τ). DØ(e). DØ( µ ). CDF(e). CDF(µ). 1.95. 2. 0.1. 2.05. Center of Mass Energy (TeV). !E. 0 0
(190). . . 0.5. 1. 1.5. .
(191) . . . . E. .
(192) . . ! " . # .
(193)
(194)
(195). 2 2.5 3 Boson Rapidity, |y|. ' ().
(196). ! . ! ". $$%&
(197) *++, - .
(198)
(199) , F
(200) ,
(201) !"! "
(202)
(203) %
(204)
(205) .
(206) : $88@ #8-. 8 #-." % . . T. 1/σ dσ/dq *Br(Z/γ *->ee) [(GeV/c)-1]. $I
(207)
(208) " % AB
(209)
(210) AB % /$"! D < =
(211) " 8
(212) " G ! D " The data/theory(nlo cteq) of dσ /dy. 1.2. 1.15. χ = 29.9/30 2. ResBos+PHOTOS, g =0.68 2. NNLO calculation, Z qT>30 GeV. 10-2. DØ Run II data. 10-3 10-4 10-5 10-6 10-7. 1.1 Data/Theory. DØ Run II preliminary, 0.98 fb-1 10-1. 0. 50. 100. 150. 1. 0.9. 0.5. 1. 1.5 2 Boson Rapidity. 8E . ! . -1. 3
(213) ". CDF Run II Preliminary with 1.1 fb. 0.8 0. . 250. @E
(214) 2 .
(215)
(216) . 0.95. 0.85. 200. Z qT [GeV/c]. 1.05. . 2.5.
(217). 3.
(218)
(219) .
(220).
(221) , '
(222)
(223)
(224) 0
(225) -D. " G 0
(226)
(227) J 0 - . - .
(228) " %
(229) 2 - . - . - . : - . > - . . # $%& . # $%& . ./01 -.
(230)
(231)
(232)
(233) . (
(234)
(235) 0
(236)
(237) -/.
(238)
(239) " % J
(240)
(241)
(242) " G - ?&.
(243)
(244) )
(245) / AB <6=
(246) " %
(247)
(248) 0 + + -++. <#=" ( <!= <!!= ! " ,
(249) "#6 " % 2 ( " @ F
(250)
(251) $ ?&K
(252) " % C9>DHB%B+
(253) <! !8=
(254) 8 ?&K
(255)
(256)
(257) " % AB <6=
(258)
(259) 8 ?&K
(260) ". . ,
(261)
(262) - . '
(263) " +
(264) <!7= - . - . - . : - . > - .
(265) " % - .
(266)
(267) & G -
(268) )
(269) .
(270) " G <!$=
(271) . "8 " 7" 2
(272) 4 ) "
(273) 2
(274) 7 : " %
(275) . . 8.
(276) . W Charge Asymmetry.
(277)
(278) % /$"!, D " %
(279)
(280) D
(281) !8" . DØ, L≈ 0.3 fb. -1. 0.15. Asymmetry. 0.1 0.05 0. -0.1 0. 0.2. 0.4. 0.6. 0.8. 1. 1.2. 1.4. 0.7. CDF Run II Preliminary 1 fb-1 data(stat. + syst.). ∫ L = 1 fb. -1. NNLO Prediction(MRST2002). 0.6. CTEQ6M PDF Uncertainty Band. 0.5 0.4 0.3 0.2 0.1. CTEQ6.1M uncertainty band CTEQ6.1M central value MRST04NLO. -0.05. 0.8. 0. 0. 1.6. 1.8. 0.5. 1. 1.5. 2. 7E
(282) $E. 4.
(283) . ./01( - . ! " . 4 . . ./01( . ./'%. . .
(284) *+
(285) . . +, $%& - . . 4 5. . ! " . (). . #
(286) . ! #" .
(287) . 3. W rapidity. 2. Muon pseudorapidity. . 2.5. -.
(288) . ./ .
(289) 4 " %
(290)
(291) " H
(292) )
(293) + , -+,. )
(294)
(295) )
(296) ( " % ! " %
(297)
(298)
(299) )
(300) (
(301) " *- . :
(302)
(303) · *- .
(304) % D? *- . - ( .
(305)
(306) ·
(307) ) " *- . : -@$$ @. ,&
(308) A D
(309) -78 !$ ,&.
(310)
(311) A D ) <=".
(312)
(313) ' !" " % )
(314) '
(315)
(316)
(317) '
(318) " % '
(319)
(320)
(321) " H
(322)
(323) ' "%
(324)
(325) & G
(326)
(327)
(328)
(329)
(330) " $ 3
(331) AB
(332) <! = ,C+% D <!6= % /7A D
(333) D % /$"!
(334) <!#=" %
(335)
(336) 2
(337)
(338) " . . . . . . .
(339)
(340) . ! "
(341)
(342)
(343) # $ .
(344) ( %
(345)
(346) *- . -. -!.
(347) . . @.
(348) + , -+,." % +,
(349)
(350)
(351)
(352) -%?." +,
(353)
(354)
(355)
(356) )
(357)
(358)
(359)
(360) " % %
(361) A D
(362) % F
(363) %? L
(364) " )
(365) C 55 2 ". %
(366)
(367) +, " - . ) ". Number of Events/(7GeV). CDF RunII Preliminary 1/fb. . '
(368)
(369)
(370)
(371) '' ) 2 " G ''
(372)
(373)
(374)
(375)
(376) ' " 9 <8= <@= '
(377)
(378)
(379)
(380) ' "
(381) ! " % ' - . ' " % 0 " % 0 - . ?& M!-" . " 5 0 -" . # ?&". . .
(382)
(383) . . .
(384) . . .
(385) . . . . 0. . .
(386). . . . . . .
(387). . . .
(388) . . .
(389) . . 40. 60. 80. 100. 120. 140. 160. 180. e+µ channel Photon ET (GeV)
(390) 7. .
(391) F
(392) M
(393) M : - . -. F
(394) " 6 0
(395)
(396) )
(397) , " 5
(398) 2
(399) F
(400) )
(401) 3 M : N 3 N F
(402) <7=" G )
(403) 2
(404)
(405) " % +," ,
(406)
(407)
(408) -
(409)
(410) 3
(411) ' . " 6" %
(412) 0
(413) " . . . !".
(414) . 20. E 6 - - . ! . . !" . 10. -1. . . 2. 10. 10. "# . W+jet Z+γ W+γ → τ νγ. 1. . . Data 1765 events W+γ → lνγ. 3. 10. . G (
(415)
(416)
(417) (( ( " 5 %
(418)
(419) +, ( 2
(420)
(421) +,
(422) " 2 -+C. F
(423) (K . . . . .
(424) !". . . 7.
(425) -5+C." & ) +, <$=
(426)
(427) (( ( )
(428) - .
(429) +,
(430) " G
(431)
(432)
(433) )
(434) - .
(435)
(436) < =". -1. CDF Run II Preliminary, 1.1fb. 400 300. M(eeγ ) GeV/c. 2. 200. 100. 50. Standard Model MC Anomalous Coupling MC ( κ=-1,λ=0). 80 60 40 20 0. 6E. -3. +6. -2. -1. 0. 1. 2.
(437). 3. . (!. . 6. 200. . 300. . "
(438). . . . . . . )( . . 8 2
(439) . D (
(440) % <8= <6= A D <#=" G
(441) +,
(442) " 9
(443)
(444) (
(445) ! ) " 5 (
(446)
(447)
(448)
(449) (
(450) " 9 ) 0
(451) - !!. - . ?& -M!-" . " #
(452) ,- .K,- . " % F
(453)
(454) +C 5+C O
(455) "
(456)
(457) F
(458) ,- . ,- ." C0 ,- . @ ?&
(459)
(460) - .#$ - %%. : @# 8-. 8-. 8-&.
(461)
(462) @ @-. <8=" &
(463) <8!=
(464)
(465) - .#$ -. γ. γ. 30. γ. Z(γ ) → llγ SM MC(h =0,h40=0) + (Z+jet) γ. Z(γ ) → llγ MC(h =-0.18,h40=0.016) + (Z+jet). 10 1 10-1 10-2. 100. 200. 300. ET [GeV]. !E - .
(466) . . . )(
(467) ! " # . . . )( ( :;. . 8 . <8!=
(468) (& -& : ( .
(469) C"<8=" +
(470) (&
(471)
(472) 3 D -' ' . D
(473) -' ' .
(474) ) " P . . . . . 103. Z+jet background. 30. . . DØ 1fb -1. Z(γ ) → llγ data. 102. . . #E "9(!. . 4 Q*∆η. . . 50 60 70 80 100 2 M(ee) GeV/c. %%. : @# 8- > . 8-&.
(475) -. 8 ?&" %
(476)
(477) <8= @ @ -. " %
(478) " !
(479)
(480) " Events. -4. . First (Last) bin is under (over) flow. Events/(0.75). Background Subtracted Data. eeγ. FSR. 40. 100. DY. ISR. . $.
(481)
(482) -Q. 3
(483)
(484)
(485) L " % #7I "A" D 6@
(486)
(487) 67 ' 78 ' 7@ 68 '
(488) 6 78 '
(489) 7@ Q : !" %&" )
(490) D
(491) ) " % 2
(492) ' ".
(493) )
(494)
(495) @ " % 2
(496)
(497)
(498) $" ,
(499) '( !"# " %
(500)
(501) - . : @8 -. -. 8-&.
(502) +, )
(503) <87= 8$6 7 " !! 2
(504)
(505) )
(506)
(507)
(508) " . . . . . . . . . . . Events / 2.5 GeV. D
(509) '' '' ''(
(510) " %
(511)
(512)
(513) H
(514) " % ''
(515)
(516)
(517) ' " '' C 55 " %
(518)
(519) . . . . # # .
(520) $%& !" '
(521) #
(522) %( !
(523) " '
(524) ) . . . ∫ L dt = 1.9 fb. -1. CDF Run II Preliminary 102 Region: Signal. Data WZ Zγ. Z+jets ZZ tt. 10. 1. . 10-1. %
(525)
(526)
(527) ) <87=". 0. 10. 20. 30. 40. 50. 60. 70. 80. 90. ET [GeV]. ! %
(528) !!E. % '(
(529)
(530) ''(
(531) ''
(532)
(533) ''
(534) " % '(
(535)
(536)
(537) "
(538) " G
(539) ( 0 " 5 )
(540) 2
(541) 0
(542)
(543) " 5
(544)
(545)
(546)
(547)
(548)
(549)
(550)
(551)
(552) 2
(553)
(554)
(555) " <8$= 2 '(
(556) !"! " +) '(.
(557). # . .
(558) 8 . # .
(559) .
(560) . 3 7 . 7. < . . !. . = >". !8
(561) " $ "6$ )
(562)
(563) @7 $ " % 2
(564)
(565)
(566) 88" %
(567)
(568) - . :
(569)
(570)
(571) <87=" 9 ''(
(572) " % ''(
(573)
(574) 3 3 F
(575) A <8 86= D
(576)
(577) -%?. (
(578) )
(579) *
(580)
(581)
(582)
(583) 2 " % %?
(584)
(585) ¼
(586) +, M( : ( M)
(587) ! ¾
(588)
(589)
(590) *
(591) *
(592) : +," A (( K(((
(593) F Q
(594) ! . . . . . . . . . .
(595) A 7
(596) " !". % 2 8
(597) (( 9
(598) %
(599)
(600)
(601)
(602) " %
(603)
(604)
(605)
(606) '(>R
(607) - . : 7 " % 0
(608) +, )
(609) <87=" ''( %? ''
(610) "%
(611) '' CDF Run II Preliminary ∫ L dt = 1.1 fb
(612)
(613) ''( '' %? data tt
(614) <8#=" ZZ Wγ 9 WZ 10 W+jets WW DY
(615) " % ! #7I "A" 10 *
(616) M(
(617) M)
(618) <@=" %
(619)
(620)
(621)
(622) Q 10 : !"7 %& " %& ! +, " Q : !7 %& Q : # %& 1 !6 *
(623) ! *
(624) ! !7 M(
(625) 87 !@ M(
(626) 8@ 10 !@ M)
(627) 8! ! M)
(628) # -5 -4.5 -4 -3.5 -3 -2.5 -2 -1.5 -1 -0.5 0 % !E & ?'@ % log10(1-LR) (ZZ, WW bkg) *
(629) 4 M(
(630) 4 M)
(631)
(632) #
(633)
(634)
(635) 4 Q 8 # . M)
(636) : M(
(637) !E
(638) -( -! .!. < 4 %!%8 " A !"# +, Q : " %&E !8 *
(639) !@ !7 M(
(640) @ 6 M)
(641) ! " % 2
(642) " . Events / 0.50. -1. . 3. 2. . . . . . -1. . . . .
(643) (
(644) "
(645)
(646) "
(647) . & ' . G
(648) ' % ) " % '
(649)
(650) 0 - .
(651) H " +
(652)
(653) ' . H - 0 - .
(654) +,
(655) <@8 @@=" %
(656) <@7= 0 ! #! !6 ?&" %
(657)
(658) !"!I " 0
(659) H
(660) % ' "!@I
(661)
(662) !! ,&" 2 ' C 55 %
(663) " % . " . # "$ %. "
(664) & .
(665)
(666)
(667) '
(668) %( % +,
(669)
(670) (
(671) (( ((( " % AB
(672) <87=
(673)
(674)
(675)
(676)
(677) !@ ! "
(678) ((
(679) !" ((
(680) !"7 9
(681)
(682) . .
(683) "
(684)
(685) 2 " 5
(686)
(687) F -'' ((.
(688) 2
(689)
(690)
(691) F
(692)
(693) " %
(694) ) 2
(695)
(696)
(697) . . 6.
(698) ' 2 " 5
(699) '
(700)
(701)
(702)
(703) 0 8 ?&
(704)
(705) 0 !7 ?&" %
(706) !6! !@
(707)
(708) !#6 !#
(709) " G
(710) 3 ,
(711)
(712) " % ' )
(713) 2
(714) , ) 2 " %
(715)
(716)
(717) F
(718)
(719)
(720)
(721)
(722)
(723)
(724) " 5
(725) F
(726)
(727) /
(728) '
(729) -D." ) 3
(730)
(731)
(732)
(733)
(734)
(735)
(736)
(737) 2
(738)
(739)
(740)
(741)
(742)
(743) " % ' ) ". % /$ D
(744) <!#="
(745)
(746) !! ,& ' 2 ,& -. 2 !8 ,& - . 2 "
(747)
(748). %
(749) )
(750)
(751) / 0. S-! .. 0
(752) ' ( " % .
(753)
(754)
(755)
(756)
(757) / 0. S-! . " !8 . 2
(758) ( " %
(759)
(760)
(761) ! ,& ' " . . . . . . . ∫ L dt ≈ 200 pb. -1. events / 0.5 GeV. CDF II preliminary 400. MZ = (91184 ± 43) MeV χ2/dof = 32 / 30 200. 0 70. !8E. 80. < . S-! . . 90. . 100. .
(762) . / 0. 110 mµµ (GeV). . . . .
(763)
(764)
(765). ' C9 <!=
(766) '
(767) " ( "8
(768)
(769) '
(770) 2
(771) E ( : $67 @6 ?& C9
(772) '?CG <@!=
(773)
(774)
(775) /
(776) " % 4 /
(777)
(778) '?CG
(779) 2
(780)
(781)
(782) <@= " % D '
(783) F
(784)
(785)
(786)
(787)
(788)
(789)
(790)
(791) " ' % /$, D" %
(792)
(793) D DO%H5G
(794) .
(795)
(796). %
(797)
(798)
(799)
(800)
(801) - " !@. " % 2
(802)
(803)
(804)
(805) " B
(806)
(807)
(808)
(809)
(810) " % -" !@. 2
(811) " %
(812)
(813)
(814) " %
(815)
(816) '
(817) 8 ,&" . .
(818). #. . . . . #.
(819) -1. 4000. χ2/dof = 17 / 16 2000. 1. !@E # . 1.5. . <. . MW = (80349 ± 54stat) MeV χ2/dof = 59 / 48. E/p (W→eν) 0 60. 4 . 4 4 . .
(820). !$E. %
(821) 2
(822)
(823) ' ( " %
(824) " G
(825)
(826)
(827)
(828) " !7
(829) ". events / 0.5 GeV. . . ∫. 80. 90. 100 mT (µν) (GeV). 7 . <
(830) . ∫ L dt ≈ 200 pb. -1. CDF II preliminary. . 9000. 70. . CDF II preliminary. -1. 1000. 500 0. ∫ L dt ≈ 200 pb. CDF II preliminary. SE = 1 ± 0.00025stat. events / 0.5 GeV. events / 0.01.
(831)
(832) ". ∫ L dt ≈ 200 pb. CDF II preliminary. 1500. 1000. 500. MW = (80493 ± 48stat) MeV χ2/dof = 86 / 48. -1. L dt ≈ 200 pb. MC. data. 8000. µ = 5.44 GeV. µ = 5.44 ± 0.01 GeV. 7000. σ = 3.46 GeV. σ = 3.47 ± 0.01 GeV. 6000. 0 60. ! E. 70. 4000. 90. 100 mT (eν) (GeV). 7 . <
(833) . . 5000. 80. . %
(834)
(835) 2 " +
(836) -,&.
(837) , A +
(838) 8 ! A C # 8 !7E ! " ! " C
(839) +
(840) # #
(841) 7 C
(842) C . . <
Documents relatifs
To test whether the vesicular pool of Atat1 promotes the acetyl- ation of -tubulin in MTs, we isolated subcellular fractions from newborn mouse cortices and then assessed
Néanmoins, la dualité des acides (Lewis et Bronsted) est un système dispendieux, dont le recyclage est une opération complexe et par conséquent difficilement applicable à
Cette mutation familiale du gène MME est une substitution d’une base guanine par une base adenine sur le chromosome 3q25.2, ce qui induit un remplacement d’un acide aminé cystéine
En ouvrant cette page avec Netscape composer, vous verrez que le cadre prévu pour accueillir le panoramique a une taille déterminée, choisie par les concepteurs des hyperpaysages
Chaque séance durera deux heures, mais dans la seconde, seule la première heure sera consacrée à l'expérimentation décrite ici ; durant la seconde, les élèves travailleront sur
A time-varying respiratory elastance model is developed with a negative elastic component (E demand ), to describe the driving pressure generated during a patient initiated
The aim of this study was to assess, in three experimental fields representative of the various topoclimatological zones of Luxembourg, the impact of timing of fungicide
Attention to a relation ontology [...] refocuses security discourses to better reflect and appreciate three forms of interconnection that are not sufficiently attended to