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June SLACPUB8883 2001
Two-Photon Processes at Intermediate Energies
Stanley J. Brodsky Stanford Linear Accelerator Center Stanford University, Stanford, California 94309 sjbth@slac.stanford.edu
Abstract
Exclusive hadron production processes in photon-photon collisions provide important tests of QCD at the amplitude level, particularly as measures of hadron distribution amplitudes and skewed parton distributions. The determination of the shape and normalization of the distribution amplitudes has become particularly important in view of their importance in the analysis of exclusive semi-leptonic and two-body hadronic B-decays. Interesting two-photon physics, including doubly-tagged reactions, will be accessible at low energy, high luminosity e+ e- colliders, including measurements of channels important in the light-by-light contribution to the muon g2 and the study of the transition between threshold production controlled by lowenergy effective chiral theories and the domain where leading-twist perturbative QCD becomes applicable. The threshold regime of hadron production in photonphoton and e+ e- annihilation, where hadrons are formed at small relative velocity, is particularly interesting as a test of low energy theorems, soliton models, and new types of resonance production. Such studies will be particularly valuable in double-tagged reactions where polarization correlations, as well as the photon virtuality dependence, can be studied. Invited talk presented at the e e Physics at Intermediate Energies Workshop Stanford Linear Accelerator Center, Stanford, California April 30May 2, 2001
+ -
Work supported by the Department of Energy under contract number DE-AC03-76SF00515.
1
Introduction
Two-photon annihilation (q1 ) (q2 ) hadrons for real and virtual photons provide some of the most detailed and incisive tests of QCD. Among the processes of special interest are:
2 2 1. the total two-photon annihilation hadronic cross section (s, q1 , q2 ), which is related to the light-by-light hadronic contribution to the muon anomalous moment;
2. the formation of C = + hadronic resonances, which can reveal exotic states such as q qg hybrids and discriminate gluonium formation [1, 2]; 3. single-hadron processes such as 0 , which test the transition from the anomaly-dominated pion decay constant to the short-distance structure of currents dictated by the operator-product expansion and perturbative QCD factorization theorems; p 4. hadron pair production processes such as + - , K + K - , p, which at fixed invariant pair mass measures the s t crossing of the virtual Compton amplitude [3, 4]. When one photon is highly virtual, these exclusive hadron production channels are dual to the photon structure function F2 (x, Q2 ) in the endpoint x 1 region at fixed invariant pair mass. The leading twistamplitude for + - is sensitive to the 1/x - 1/(1 - x) moment of the q q distribution amplitude + - (x, Q2 ) of the two-pion system [5, 6], the timelike extension of skewed parton distributions. In addition one can measure the pion charge asymmetry in e+ e- + - e+ e- arising from the interference of the + - Compton amplitude with the timelike pion form factor [7]. 2 2 At the unphysical point s = q1 = q2 = 0, the amplitude is fixed by the low energy theorem to the hadron charge squared. As reviewed by Karliner in these proceedings [8], the ratio of the measured and p cross sections p is anomalous at threshold, a fact which may be associated with the soliton structure of baryons in QCD [9]; 5. At large momentum transfer, the angular distribution of hadron pairs produced by photon-photon annihilation are among the best determinants of the shape of the meson and baryon distribution amplitudes M (x, Q), and B (xi , Q) which control almost all exclusive processes involving a hard scale Q. The determination of the shape and normalization of the distribution amplitudes, which 2
are gauge-invariant and process-independent measures of the valence wavefunctions of the hadrons, has become particularly important in view of their importance in the analysis of exclusive semi-leptonic and two-body hadronic B-decays [10, 11, 12, 13, 14, 15]. There has also been considerable progress both in calculating hadron wavefunctions from first principles in QCD and in measuring them using diffractive di-jet dissociation. Much of this important two-photon physics is accessible at low energy, high luminosity e+ e- colliders such as the proposed PEP-N project, particularly for measurements of channels important in the light-by-light contribution to the muon g2 and the exploration of the transition between threshold amplitudes which are controlled by low-energy effective theories such as the chiral Hamiltonian through the transition to the domain where leading-twist perturbative QCD becomes applicable. There have been almost no measurements of double-tagged events needed to unravel the sepa2 2 rate q1 and q2 dependence of photon-photon annihilation. Hadron pair production from two-photon annihilation plays a crucial role in unraveling the perturbative and non-perturbative structure of QCD, first by testing the validity and empirical applicability of leading-twist factorization theorems, second by verifying the structure of the underlying perturbative QCD subprocesses, and third, through measurements of angular distributions and ratios which are sensitive to the shape of the distribution amplitudes. In effect, photon-photon collisions provide a microscope for testing fundamental scaling laws of PQCD and for measuring distribution amplitudes. It would also be interesting to measure the novel relativistic atomic coalescence processes, single and double muonium formation: e+ e- [+ e- ]+ e- and e+ e- [+ e- ][+ e- ].
2
The Photon-to-Pion Transition Form Factor and the Pion Distribution Amplitude
The simplest and perhaps most elegant illustration of an exclusive reaction in QCD is the evaluation of the photon-to-pion transition form factor F (Q2 ) which is measurable in single-tagged two-photon ee ee 0 reactions. The form factor is defined via the invariant amplitude = -ie2 F (Q2 ) p q . As in inclusive reactions, one must specify a factorization scheme which divides the integration regions of the loop integrals into hard and soft momenta, compared to the resolution scale Q. At leading twist, the transition form factor then factorizes as a convolution of the q q amplitude (where the quarks are collinear with the final state pion) with the valence 3
light-cone wavefunction of the pion [4]:
1 0
4 FM (Q2 ) = 3
H dxM (x, Q)TM (x, Q2 ).
(1)
H The hard scattering amplitude for q q is TM (x, Q2 ) = [(1 - x)Q2 ]-1 (1 + O(s )). For the asymptotic distribution amplitude asympt (x) = 3f x(1 - x) one predicts [16]
Q F (Q ) = 2f
2
2
5 V (Q ) 1- 3
where Q = e-3/2 Q is the estimated BLM scale for the pion form factor in the V scheme. The PQCD predictions have been tested in measurements of e e 0 by the CLEO collaboration [17] (see Figure 1 (b)). The flat scaling of the Q2 F (Q2 ) data from Q2 = 2 to Q2 = 8 GeV2 provides an important confirmation of the applicability of leading twist QCD to this process. The magnitude of Q2 F (Q2 ) is remarkably consistent with the predicted form, assuming the asymptotic distribution amplitude and including the LO QCD radiative correction with V (e-3/2 Q)/ 0.12. One could allow for some broadening of the distribution amplitude with a corresponding increase in the value of V at small scales. Radyushkin [18], Ong [19] and Kroll [20] have also noted that the scaling and normalization of the photon to pion transition form factor tends to favor the asymptotic form for the pion distribution amplitude and rules out broader distributions such as the two-humped form suggested by QCD sum rules [21]. More comprehensive analyses, which include consideration of next-to-leading order corrections and some higher-twist contributions dictated by vector meson spectra and QCD sum rules have been given by A. Khodjamirian [22], A. Schmedding and O. Yakovlev [23], and by A. P. Bakulev et al. [24]. When both photons are virtual, the denominator of TH for the 0 reaction becomes (1 - x)Q2 + xQ2 [4, 19], and the amplitude becomes nearly insensitive to the 1 2 shape of the distribution amplitude once it is normalized to the pion decay constant. Thus the ratio of singly virtual to doubly virtual pion production is particularly sensitive to the shape of (x, Q2 ) since higher order corrections and normalization errors tend to cancel in the ratio. 4
1.2 0.8 0.4 0
(x)
0
0.4 x
(a)
0.8
9-2000 8561A22
Q2F(Q2) (GeV)
0.2
0.1
0 0 4 Q2 (GeV2)
(b) Figure 1: (a) Transverse lattice results for the pion distribution amplitude at Q2 10GeV2 . The solid curve is the theoretical prediction from the combined DLCQ/transverse lattice method [25]; the chain line is the experimental result obtained from dijet diffractive dissociation [26, 27]. Both are normalized to the same area for comparison. (b) Scaling of the transition photon to pion transition form factor Q2 F0 (Q2 ). The dotted and solid theoretical curves are the perturbative QCD prediction at leading and next-to-leading order, respectively, assuming the asymptotic pion distribution The data are from the CLEO collaboration [17].
8
8-2000 8561A13
5
3
Non-Perturbative Calculations of the Pion Distribution Amplitude
The distribution amplitude (x, Q) can be computed from the integral over transverse momenta of the renormalized hadron valence wavefunction in the light-cone gauge at fixed light-cone time [4]:
(x, Q) =
k (Q) (x, k ), d2 k Q2 - x(1 - x)
2
(2)
where a global cutoff in invariant mass is identified with the resolution Q. The distribution amplitude (x, Q) is boost and gauge invariant and evolves in ln Q through an evolution equation [4]. Since it is formed from the same product of operators as the non-singlet structure function, the anomalous dimensions controlling (x, Q) dependence in the ultraviolet log Q scale are the same as those which appear in the DGLAP evolution of structure functions [28]. The decay normalizes the wave func tion at the origin: 01 dx(x, Q) = f /(2 3). One can also compute the distribution amplitude from the gauge invariant Bethe-Salpeter wavefunction at equal light-cone time. This also allows contact with both QCD sum rules [29] and lattice gauge theory; for example, moments of the pion distribution amplitudes have been computed in lattice gauge theory [30, 31, 32]. Conformal symmetry can be used as a template to organize the renormalization scales and evolution of QCD predictions [28, 33]. For example, Braun and collaborators have shown how one can use conformal symmetry to classify the eigensolutions of the baryon distribution amplitude [34]. Dalley [25] and Burkardt and Seal [35] have calculated the pion distribution amplitude from QCD using a combination of the discretized light-cone quantization [36] method for the x- and x+ light-cone coordinates with the transverse lattice method [37, 38] in the transverse directions, A finite lattice spacing a can be used by choosing the parameters of the effective theory in a region of renormalization group stability to respect the required gauge, Poincar, chiral, and continuum symmetries. The overall e normalization gives f = 101 MeV compared with the experimental value of 93 MeV. Figure 1 (a) compares the resulting DLCQ/transverse lattice pion wavefunction with the best fit to the diffractive di-jet data (see the next section) after corrections for hadronization and experimental acceptance [26]. The theoretical curve is somewhat broader than the experimental result. However, there are experimental uncertainties from hadronization and theoretical errors introduced from finite DLCQ resolution, using a nearly massless pion, ambiguities in setting the factorization scale Q2 , as well as errors in the evolution of the distribution amplitude from 1 to 10 GeV2 . Instan6
ton models also predict a pion distribution amplitude close to the asymptotic form [39]. In contrast, recent lattice results from Del Debbio et al. [32] predict a much narrower shape for the pion distribution amplitude than the distribution predicted by the transverse lattice. A new result for the proton distribution amplitude treating nucleons as chiral solitons has recently been derived by Diakonov and Petrov [40]. Dyson-Schwinger models [41] of hadronic Bethe-Salpeter wavefunctions can also be used to predict light-cone wavefunctions and hadron distribution amplitudes by integrating over the relative k - momentum. There is also the possibility of deriving Bethe-Salpeter wavefunctions within light-cone gauge quantized QCD [42] in order to properly match to the light-cone gauge Fock state decomposition.
4
Measurements of the Pion Distribution Amplitude by Di-jet Diffractive Dissociation
The shape of hadron distribution amplitudes can be measured in the diffractive dissociation of high energy hadrons into jets on a nucleus. For example, consider the reaction [43, 44, 45] A Jet1 + Jet2 + A at high energy where the nucleus A is left intact in its ground state. The transverse momenta of the jets balance so that ki + k2 = q < R-1 A . The light-cone longitudinal momentum fractions also need -1 to add to x1 + x2 1 so that pL < RA . The process can then occur coherently in the nucleus. Because of color transparency and the long coherence length, a valence q q fluctuation of the pion with small impact separation will penetrate the nucleus with minimal interactions, diffracting into jet pairs [43]. The x1 = x, x2 = 1 - x dependence of the di-jet distributions will thus reflect the shape of the pion valence light-cone wavefunction in x; similarly, the k1 - k2 relative transverse momenta of the jets gives key information on the second derivative of the underlying shape of the valence pion wavefunction [44, 45, 46]. The diffractive nuclear amplitude extrapolated to t = 0 should be linear in nuclear number A if color transparency is correct. The 2 integrated diffractive rate should then scale as A2 /RA A4/3 . The E791 collaboration at Fermilab has recently measured the diffractive di-jet dissociation of 500 GeV incident pions on nuclear targets [26]. The results are consistent with color transparency, and the momentum partition of the jets conforms closely with the shape of the asymptotic distribution amplitude, asympt (x) = 3f x(1 - x), corresponding to the leading anomalous dimension solution [4] to the perturbative QCD evolution equation. The interpretation of the diffractive dijet processes as measures of the hadron distribution amplitudes has recently been questioned by Braun et al. [47] and by 7
Chernyak [48] who have calculated the hard scattering amplitude for such processes at next-to-leading order. However, these analyses neglect the integration over the transverse momentum of the valence quarks and thus miss the logarithmic ordering which is required for factorization of the distribution amplitude and color filtering in nuclear targets.
5
Exclusive Two-Photon Annihilation into Hadron Pairs
( ) ) 4 2.0 ( )
)
+- + +-) (
102
e)
+- + K+K-) (
L.O. QCD ( o sk Le
1.0 1.5 < < 2.0 0 0.2 ( ) 2.0 < < 2.5
0 (c) 0.4
100 cos < 0.6 101 1
(
0.1 2.5 < 0 < 3.0 0 0 3.0 < < 4.0
8-2000 8561A19
3 (GeV)
5
0
8-2000 8561A20
0.4 cos
0.4 cos
Figure 2: Comparison of the sum of + - and K + K - meson pair production cross sections with the scaling and angular distribution of the perturbative QCD prediction [3]. The data are from the CLEO collaboration [50]. Two-photon H reactions, H at large s = (k1 + k2 )2 and fixed cm , provide a particularly important laboratory for testing QCD since these cross-channel "Compton" processes are the simplest calculable large-angle exclusive hadronic scattering reactions. The helicity structure, and often even the absolute normalization can be rigorously computed for each two-photon channel [3]. In the case of meson pairs, dimensional counting predicts that for large s, s4 d/dt( M M scales at fixed t/s or cm up to factors of ln s/2 . The angular dependence of the H H amplitudes can be used to determine the shape of the process-independent distribu tion amplitudes, H (x, Q). An important feature of the M M amplitude for meson pairs is that the contributions of Landshoff pitch singularities are power-law 8
suppressed at the Born level--even before taking into account Sudakov form factor suppression. There are also no anomalous contributions from the x 1 endpoint integration region. Thus, as in the calculation of the meson form factors, each fixedangle helicity amplitude can be written to leading order in 1/Q in the factorized form [Q2 = p2 = tu/s; Qx = min(xQ, (l - x)Q)]: T MM M =
1 0
dx
1 0
dy (3)
M (y, Qy )TH (x, y, s, cm M (x, Qx ),
where TH is the hard-scattering amplitude (q q)(q q ) for the production of the valence quarks collinear with each meson, and M (x, Q) is the amplitude for finding the valence q and q with light-cone fractions of the meson's momentum, integrated over transverse momenta k < Q. The contribution of non-valence Fock states are power-law suppressed. Furthermore, the helicity-selection rules [49] of perturbative QCD predict that vector mesons are produced with opposite helicities to leading order in 1/Q and all orders in s . The dependence in x and y of several terms in T, is quite similar to that appearing in the meson's electromagnetic form factor. Thus much of the dependence on M (x, Q) can be eliminated by expressing it in terms of the meson form factor. In fact, the ratio of the + - and e+ e- + - amplitudes at large s and fixed CM is nearly insensitive to the running coupling and the shape of the pion distribution amplitude:
d ( dt d ( dt
+-) 4|F (s)|2 . 1 - cos2 cm + - )
(4)
The comparison of the PQCD prediction for the sum of + - plus K + K - channels with recent CLEO data [50] is shown in Figure 2. The CLEO data for charged pion and kaon pairs show a clear transition to the scaling and angular distribution predicted by PQCD [3] for W = (s > 2 GeV. It is clearly important to measure the magnitude and angular dependence of the two-photon production of neutral pions and + - in view of the strong sensitivity of these channels to the shape of meson distribution amplitudes (see Figures 3 and 4). QCD also predicts that the production cross section for charged -pairs (with any helicity) is much larger than for that of neutral pairs, particularly at large cm angles. Similar predictions are possible for other helicity-zero mesons. The analysis of exclusive B decays has much in common with the analysis of exclusive two-photon reactions [51]. For example, consider the three representative contributions to the decay of a B meson to meson pairs illustrated in Figure 5. 9
104
(x -1/2) x(1 -x) [x (1 -x)]1/4
s4 d/dt (nb - GeV6)
103
+-
102
101
8-2000 8561A18
0
z2
0.4 = cos2 ()
0.8
Figure 3: Predictions for the angular distribution of the + - and 0 0 pair production cross sections for three different pion distribution amplitudes [3]. In Figure 5(a) the weak interaction effective operator O produces a q q in a color 2 2 octet state. A gluon with virtuality Q = O(MB ) is needed to equilibrate the large momentum fraction carried by the b quark in the B wavefunction. The amplitude then factors into a hard QCD/electroweak subprocess amplitude for quarks which are u u q collinear with their respective hadrons: TH ([b(x)(1 - x)] [q(y)(1 - y)]1 [q(z)(1 - z)]2 ) convoluted with the distribution amplitudes (x, Q) [4] of the incident and final hadrons: Moctet (B M1 M2 ) =
1 0
dz
1 0
dy
1 0
dx
B (x, Q)TH (x, y, z)M1 (y, Q)M2 (z, Q). Here x = k + /p+ = (k 0 +k z )/(p0 +pz ) are the light-cone momentum fractions carried H H H by the valence quarks. There are a several features of QCD which are required to ensure the consistency of the PQCD approach: (a) the effective QCD coupling s (Q2 ) needs to be under control at the relevant scales of B decay; (b) the distribution amplitudes of the hadrons need 10
104 103 +-
s4 d/dt (nb GeV6)
102
101 0
8-2000 8561A17
0.4 z2 = cos2 ()
0.8
Figure 4: Predictions for the angular distribution of the + - and 0 0 pair production cross sections for three different distribution amplitudes as in Figure 3 [3]. to satisfy convergence properties at the endpoints; and (c) one requires the coherent cancelation of the couplings of soft gluons to color-singlet states. This property, color transparency [52], is a fundamental coherence property of gauge theory and leads to diminished final-state interactions and corrections to the PQCD factorizable contributions. The problem of setting the renormalization scale of the coupling for exclusive amplitudes is discussed in [16]. Baryon pair production in two-photon annihilation is also an important testing ground for QCD. The calculation of TH for Compton scattering requires the evaluation of 368 helicity-conserving tree diagrams which contribute to (qqq) (qqq) at the Born level and a careful integration over singular intermediate energy denominators [53, 54, 55]. Brooks and Dixon [56] have recently completed a recalculation of the proton Compton process at leading order in PQCD, extending and correcting earlier work. It is useful to consider the ratio d/dt( pp)/d/dt(e+ e- pp) since the power-law fall-off, the normalization of the valence wavefunctions, and much of 11
(a)
M2
(b)
M2
(c) z
b _ B
M1
x _ B b _ u 1-x 1-y
1-z y
M1
M2
_ u Color Octet Non-factorizable
_ B Annihilation
M1
3-2001 8582A1
Color - singlet Factorizable
Figure 5: Three representative contributions to exclusive B decays to meson pairs in PQCD. The operators O represent the QCD-improved effective weak interaction. the uncertainty from the scale of the QCD coupling cancel. The scaling and angular dependence of this ratio is sensitive to the shape of the proton distribution amplitudes. The perturbative QCD predictions for the phase of the Compton amplitude phase can be tested in virtual Compton scattering by interference with Bethe-Heitler processes [57]. It is also interesting to measure baryon and isobar pair production in two photon reactions near threshold. Ratios such as ( ++ -- )/( + - ) can be as large as 16 : 1 in the quark model since the three-quark wavefunction of the is expected to be symmetric [8]. Such large ratios would not be expected in soliton models [9] in which intermediate multi-pion channels play a major role. Recently Pobylitsa et al. [58] have shown how the predictions of perturbative QCD can be extended to processes such as p where the pion is produced at p low velocities relative to that of the p or p by utilizing soft pion theorems in analogy to soft photon theorems in QED. The distribution amplitude of the p composite is obtained from the proton distribution amplitude from a chiral rotation. A test of this procedure in inelastic electron scattering at large momentum transfer ep p and small invariant p mass has been remarkably successful. Many tests of the soft meson procedure are possible in multiparticle e+ e- and final states.
6
Conclusions
The leading-twist QCD predictions for exclusive two-photon processes such as the photon-to-pion transition form factor and hadron pairs are based on rigorous factorization theorems. The recent data from the CLEO collaboration on F (Q2 ) and the sum of + - and K + K - channels are in excellent agreement 12
with the QCD predictions. It is particularly compelling to see a transition in angular dependence between the low energy chiral and PQCD regimes. The success of leadingtwist perturbative QCD scaling for exclusive processes at presently experimentally accessible momentum transfer can be understood if the effective coupling V (Q ) is approximately constant at the relatively small scales Q relevant to the hard scattering amplitudes [16]. The evolution of the quark distribution amplitudes in the low-Q domain also needs to be minimal. Sudakov suppression of the endpoint contributions is also strengthened if the coupling is frozen because of the exponentiation of a double logarithmic series. One of the formidable challenges in QCD is the calculation of non-perturbative wavefunctions of hadrons from first principles. The recent calculation of the pion distribution amplitude by Dalley [25] and by Burkardt and Seal [35] using light-cone and transverse lattice methods is particularly encouraging. The predicted form of (x, Q) is somewhat broader than but not inconsistent with the asymptotic form favored by the measured normalization of Q2 F0 (Q2 ) and the pion wavefunction inferred from diffractive di-jet production. Clearly much more experimental input on hadron wavefunctions is needed, particularly from measurements of two-photon exclusive reactions into meson and baryon pairs at the high luminosity B factories. For example, as shown in Figure 3, the ratio d d...

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Nazi Germany History 3ff3January, 2009 Dr. Pamela Swett CNH 617 swettp@mcmaster.ca Office Hours: Mon 11-12, Thurs 1:30-2:30 Course Objectives: This course takes as its focus one of the most popularly studied modern historical eras. A veritable indus

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HISTORY 3GG3: MODERN CHINA Dr. Xiaoping Sun Office: CNH-616 Email: sunxiao@mcmaster.ca Office hours: Thursday 11-12, or by appointment Course description: This course will explore the political, social and cultural history of Modern China from about

St. Mary MD - U - 0809

HISTORY 3IO3E/PEACE STUDIES 3I03E EUROPEAN INTERNATIONAL RELATIONS, 1870-1945 2008-2009 Instructor: Chantal Aubin Office CNH 611 Office Hours: Wednesdays 4:00 6:00pm or by appointment Email: aubinc@univmail.cis.mcmaster.ca Telephone: (905)525 9140 x

St. Mary MD - U - 0809

History 3II3: History of American Foreign Relations since 1898 Winter 2009 Tues., Wed., Fri. 12:30 - 1:20 p.m. Hamilton Hall 302 TA: Harish Mehta (mehtah2@mcmaster.ca) Office Hours: Wed. 2-3 p.m. CNH 430 Dr. Stephen M. Streeter 623 Chester New Hall O

St. Mary MD - U - 0809

1HISTORY 3P03 HISTORY OF RELIGION IN CANADA Lectures: Tuesdays, Thursdays, Fridays 8:30-9:20 a.m.Fall Term, 2008Dr. Michael Gauvreau CNH 616, X24144 Office Hours,This half-course aims to provide both a chronological survey and thematic discus

St. Mary MD - U - 0809

HIST 3T03 SYLLABUS: EARLY MODERN FRANCEInstructor: Professor M. Armstrong Time: T W F, 9:30-10:20am Location: TSH/ B106 Office hours (CNH 626): Wed: 10:30am-12:00pmDescription of Course This course provides an intensive examination of French poli

St. Mary MD - U - 0809

History 4AA6Early Modern Britain, 1500-1800Dr. Karen Macfarlane CNH/611; 905-525-9140 ext. 24146 Office Hours: Thursdays 2:30-3:20 or by appointment Course Description The theme of HIST 4AA6 is crime, law, and society. Early modern British societ

St. Mary MD - U - 0809

HISTORY 4C06: Modern European Culture in Crisis (2008-2009)Seminar: Monday, 7-9pm Chester New Hall 209 Christopher Churchill Office: Chester New Hall 611 Office Hours: Monday 3:30-5:00pm other times by appointment E-mail: TBA For the first week: 9ca

St. Mary MD - U - 0809

History 4F06 The History of Western World Public Health and Medicine Syllabus 2008-2009 Monday, 2.30 4.20 Instructor: Laurie Jacklin Office: Chester New Hall 607C laurie.jacklin@mcmaster.ca Office hours: Monday, 1.00 2.00 or by appointment. I Cou

St. Mary MD - U - 0809

Hist 4G06Topics on Revolutionary China HISTORY 4G06 TOPICS ON REVOLUTIONARY CHINAPage 1 of 6Dr. Xiaoping Sun Office: CNH 616 Email: sunxiao@mcmaster.ca Office hours: Thursday 11-12, or by appointment2008-09 Classroom: KTH 103 Time: Tue 8:30-1

St. Mary MD - U - 0809

HISTORY 4JJ6: U.S. Foreign Relations Fall 2008 - Winter 2009 Tuesday 2:30 - 4:20 p.m. Chester New Hall 614 Dr. Stephen M. Streeter 623 Chester New Hall Office Hours: Tuesday 4:30 - 5:30 p.m. (905) 525-9140 ext. 24147 streete@mcmaster.ca Course Descri

St. Mary MD - U - 0809

McMaster University History 4K06 The People and the Bay: Environment and Environmentalism in Modern North America 2008-09 Course Co-ordinator: Ken Cruikshank, Chester New Hall 619/621 Telephone: 905-525-9140, ext. 24850 Email: cruiksha@mcmaster.ca Of

St. Mary MD - U - 0809

History 4P06: Contemporary Europe Political Culture and Identity in Modern EuropeInstructor: Dr. Wesley Ferris Class Hours: 2:30 to 4:20, Wednesdays Class Location: BSB-238A Office Hours: 12:00 to 1:30, Wednesdays, or by appointment Office Location:

St. Mary MD - U - 0809

1 2008-2009 HISTORY 4W06 JOHN WEAVERTHE NORTH AMERICAN CITY: HISTORICAL PERSPECTIVES ON THE BUILT ENVIRONMENTObjectives: This course has two broad objectives. First, it will acquaint students with selected topics on the significance of site locati

St. Mary MD - U - 0809

History 4YO6 The Second World War 2008-09Dr. Martin Horn: CNH 629, ext. 24139 Office hours: Mondays 1:30-3:30 and by appointment Email: mhorn@mcmaster.ca Course Objectives There are two principal objectives: 1) to understand the course and conduct o

St. Mary MD - G - 0809

History 714: The United States and Globalization since the Late Nineteenth CenturyTuesday, 11:30-2:30, CNH 614 Fall 2008 Professor Stephen M. Streeter CNH 623, 905-525-9140 ext. 24147 streete@mcmaster.ca Office Hours: Tuesday 4:30-5:30 p.m. Course D

St. Mary MD - G - 0809

THE BRITISH EMPIRE AND GLOBAL INTEGRATION, 1815-1960 A GRADUATE SEMINAR Globalization 757; History 757 September-November 2008 Instructor: John Weaver Office: 630 CNH E-mail: jweaver@mcmaster.ca Office Hours: Wednesdays 2:30 to 4:30; Fridays 2:00 to

St. Mary MD - G - 0809

NOTE:draftcopymaybesubjecttominorchangespriortoJan. History721:GraduateSeminar2009 ReadingsintheModernHistoryofBritain,c.1850c.1960 Dr.StephenHeathorn Time/Place:F9:3012:30/CNH614 OfficeHours:andbyappointment/CNH609 Phone:ext.24150 Email:heaths@mcm

St. Mary MD - G - 0708

History 707 International Relations in Twentieth-Century EuropeFall 2007Dr. Martin Horn Office: CNH 629, ext. 24139 Office Hours: Thursdays 10:30-12:30 and by appointment Email: mhorn@mcmaster.ca Course Description This course explores aspects of E

St. Mary MD - G - 0708

History 721: Graduate Seminar 2007 Readings in the Modern History of Britain, c.1850-c.1960 Dr. Stephen Heathorn Time/Place: W 11:30-2:30 /CNH 614 Office Hours: W 9:30-11 and by appointment /CNH 609 Phone: ext. 24150 Email: heaths@mcmaster.ca Course

St. Mary MD - G - 0708

History 726 Religion, Culture, and Society in Canada, 1783-1970Dr. M. Gauvreau Friday, 1:30-4:30 p.m. CNH-616, X24144, mgauvrea@mcmaster.ca Office Hours: TBAAlthough religion has always permeated and shaped the historical experience of both Engli

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ENGLISH/HISTORY 740 2007 MEDIEVAL DISCOURSES OF THE SELF, 1000 - 1200Dr. B. Kaczynski Department of History Office: CNH 624 Telephone: x24142 E-Mail: kaczynb@mcmaster.caDr. A. Savage Department of English and Cultural Studies Office: CNH 326 Tele

St. Mary MD - G - 0708

1 History 741 Historiography Fall Term 2007 Fridays, 9:30 a.m. 12:30 p.m. Dr. Michael Gauvreau Office Hours TBA CNH-616; 905-525-9140x24144 mgauvrea@mcmaster.ca Objectives: History 741 is devoted to an examination of the theories, methods, and histo

St. Mary MD - G - 0708

History 761 Race and Gender in the Atlantic World Monday, 2:30-5:30 CNH/614 Dr. Juanita De Barros CNH 613, x. 24149 debarr@mcmaster.ca Tel: x. 24149 Office Hours: Monday, Friday, 11am-12:00pm; or by appointment. Course Description: Thematic, temporal

St. Mary MD - G - 0708

History 708 Research in European International Relations 1890-1956 Winter 2008Dr. Martin Horn: CNH 629 (525-9140 - ext. 24139) Office Hours: Tuesday 9:30-11:30 and by appointment Email: mhorn@mcmaster.ca Outline History 708 is a research seminar o

St. Mary MD - G - 0708

HISTORY 725 Environmental History: Canada in International Perspective 2008Course Co-ordinator: Ken Cruikshank, Chester New Hall 619 Telephone: 905-525-9140, ext. 24850 Email: cruiksha@mcmaster.ca Office Hours: By appointment, or Thursdays, 12:30 p

St. Mary MD - G - 0708

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St. Mary MD - G - 0708

History 748 Research in Canadian HistoryTerm 2, Jan.-April 2008 CNH-614 Fridays, 1:30-4:30 Instructor: Dr. Michael Gauvreau Office: CNH-616, X24144 Email: mgauvrea@mcmaster.ca Office Hours: Fridays, 11:30-1:30 This course is intended to enable stud

St. Mary MD - G - 0708

Dr D.P. Barrett Assignment No. 1 Due: Wednesday, February 27/08HISTORY 753Winter 2008Length: about 2,200 words (do not exceed 2,500) Question: At the July 1959 Lushan Plenum, Peng Dehuai said of the Great Leap Forward that there had been "losse

St. Mary MD - U - 0708

History 1BB3: Global History in the Twentieth Century Dr. Michael Egan e-mail: egan@mcmaster.ca phone: (905)-525-9140 ext. 24134 Office hours: CNH 610, Thursday: 12:00-13:00, or by appointment TA:_ e-mail:__ Office:_ Office hours:_ Course introductio

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HISTORY 2AA3 The Modern Caribbean Professor Juanita De Barros 613 Chester New Hall, x. 24149 debarr@mcmaster.ca Office Hours: Monday/Wednesday, 2:30-3:30 or by appointment. Lectures: Monday/Wednesday, 4:30-5:20, MDCL/1309 Course Description: This cou

St. Mary MD - U - 0708

1 HIST 2G03E/Peace Studies 2G03E Modern Latin America Since 1820 Fall 2007 James Cypher jcypher@indiana.edu Office Hours: Tuesday 6:30-7pm, 9-9:30pm, Chester New Hall, 603 Lectures: Tuesday, 7-9pm This course surveys the major themes that shaped mode

St. Mary MD - U - 0708

Dr. Virginia Aksan vaksan@mcmaster.caCNH 602, x23541 OH TU 2:30-4:30, or by appointmentHistory 2P03 Historical InquirySection 02: The Global and the Local: Hamilton Term 1, 2007/08, Tuesdays 12:30-2:30 & Thursdays 1:30-2:30REQUIRED TEXTS: Robe

St. Mary MD - U - 0708

2007 HISTORY 2P03: HISTORICAL INQUIRY SECTION 01 "THE WORLD CAMPAIGN AGAINST MATERNAL AND CHILD MORTALITY, 1900-39" Dr. J. Alsop CNH/611 905-525-9140 ext. 24146 Office Hours: Wednesday, 2:30 3:20 p.m. 1. Course Description Historical Inquiry is desi

St. Mary MD - U - 0708

History 2P03 C04 The Making of Modern London, c. 1870-1970 Dr. Stephen Heathorn Time and Place: T 9:30-11:20 & R 9:30-10:20 in GS 101 Office Hours: T 2:30-4:00 & R 10:30-12:00 in CNH 609 Phone Number: 905-5259140 Ext. 24150 Email: heaths@mcmaster.ca

St. Mary MD - U - 0708

2P03 C03: Historical Inquiry The Making of Modern Berlin Dr. Pamela Swett CNH 617, x24145 swettp@mcmaster.ca Office Hours: Tues 11:30-12:30; Thurs 10:30-11:30; or by appt. Course Aims: 2P03 aims to provide History program students with the skills nec

St. Mary MD - U - 0708

History 2P03 Historical Inquiry Section 5: After Ford: The Car in History Term 2, 2008 (100 A.F.), Tuesdays, 11:30-1:20 pm; Thursdays, 11:30 -12:20 pm Ken Cruikshank cruiksha@mcmaster.ca Office Hours: By appointment, or Thursdays, 12:30-1:20 pm. Ches

St. Mary MD - U - 0708

1 HISTORY 2QQ3 Soviet Russia Tuesdays: 1:30-2:20 Thursdays: 12:30-1:20 HSC 1A6 Dr. T. McDonald Office: Chester New Hall 627 Office Hours: Wednesdays 12-2 Phone: 905 525 9140 ext. 24148 Email: tmcdon@mcmaster.ca Course and Aims This course is designed